Natick MA Assessor Database 2026: Property & Tax Search

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Natick, Massachusetts • FY2026 assessor database & WebGIS

Find the Natick Property Record You Actually Need

Natick combines its assessment database with WebGIS, so one official search can lead from an address or owner name to assessed value, ownership information, land details, deed references, parcel mapping and the full Property Record Card.

This guide shows how to search the database correctly, fix no-result searches, understand FY2026 values and the $12.17 tax rate, find tax bills, prepare an abatement, review exemptions, verify deeds and know when an online GIS line is not enough.

Search Instructions Read a Property Record Tax Bill Help
Property Record Card WEBGIS
Parcel
Address
Owner
Land
Building
Total
Official database MapGeo / WebGIS Assessment and parcel-map information are integrated.
FY2026 tax rate $12.17 / $1,000 Use assessed value, not a private website estimate.
FY2026 valuation date January 1, 2025 Fiscal-year values do not use an August 2026 market date.
Assessor phone 508-647-6420 Use for values, property data, abatements and exemptions.

Where to Search Natick MA Property Records

Start with the Town of Natick’s official integrated Assessor Database / WebGIS. It provides assessed values, ownership information, land information and legal deed references, and lets you open the same Property Record Card available from the Assessor’s Office.

Use the Collector/Treasurer instead when the question is “How much do I owe?”, “Did my bank pay?”, or “Where is my bill?” Use the Middlesex South Registry of Deeds when you need deeds, liens or the recorded legal instrument rather than the assessor’s ownership display.

Independent guide: AssessorPropertySearch.org is not the Town of Natick. Do not submit tax payments, exemption documents, income records or other private information to this website.

Search Natick Property Records by Owner Name or Address

A

Address search

Start with the strongest part of the physical property address. If a fully formatted address produces no match, shorten it instead of adding ZIP code, Massachusetts, punctuation or extra wording.

Example

If 7 Bee Street Natick MA 01760 is too restrictive, try 7 Bee.

O

Owner-name search

The integrated search can match a word appearing in an owner name as well as an address. A short distinctive surname or trust/business keyword may work better than a long exact legal name.

Example

The Town’s own guide illustrates that searching Bee may return both owners whose names contain “Bee” and properties located on Bee Street.

Too many results? Combine clues. The Town guide demonstrates refining a broad word search by adding the street number, such as 7 Bee.

FY2026 Natick Property Assessment Lists by Owner or Address

If you do not need the interactive map, Natick also publishes complete FY2026 assessment listings sorted two ways.

FY2026 list sorted by owner

Useful for trusts, LLCs, estates, multiple properties or situations where you know the owner but not the exact street address.

  • Parcel ID
  • State property class
  • Street number and street name
  • Assessed owner as of January 1, 2025
  • Current owner after January 1, 2025, where shown
  • Land value
  • Building value
  • Total value
Open Owner-Sorted FY2026 List

FY2026 list sorted by property address

Useful when you know the street location and want a fast static list without navigating map tools.

  • Search a street alphabetically
  • Compare adjacent parcels
  • Check land vs building value
  • Confirm parcel ID before another lookup
  • Compare assessed and newer owner information when shown
Open Address-Sorted FY2026 List
Owner-date detail matters: the FY2026 list distinguishes the assessed owner as of January 1, 2025 from a later current owner when ownership changed after that date. This explains why a recent buyer can appear differently across tax, assessment and deed systems.

What the Natick Assessor Database Shows

Natick describes the integrated database as a combination of assessor information and spatial tools. Use each field for the task it was designed to answer.

Record item
What it helps with
Important limit
Parcel ID
Exact parcel identification and repeat searches.
Do not confuse it with a deed book/page or bill number.
Ownership information
Finding the taxpayer/owner carried in assessment records.
Recent transfers may require deed verification.
Assessed value
Property-tax assessment research.
It is not automatically a current listing price or private appraisal.
Land value
Understanding the land component of the assessment.
It is not a land-only sale quote.
Building value
Understanding the improvement component.
It is not insurance replacement cost.
Property class
Identifying the assessment classification used in the system.
Confirm any disputed classification with the Assessor.
Land information
Parcel research and appraisal context.
Do not treat GIS acreage or boundaries as a survey.
Legal deed reference
Helps move from assessor records to recorded land records.
The assessor record itself is not the deed.
Property Record Card
More detailed appraisal/property characteristics.
Report factual errors to the Assessor rather than assuming the record cannot be corrected.
WebGIS map
Parcel orientation and spatial context.
Not legal proof of a boundary.

Natick FY2026 Assessed Values and Property Tax Rate

Natick’s FY2026 classification material gives useful context for interpreting a property-card value.

FY2026 tax rate

$12.17 per $1,000 of assessed value.

Average single-family value

$937,795 in the FY2026 classification material.

Median single-family value

$838,600 in the FY2026 classification material.

Valuation-date trap: the Town’s FY2026 classification presentation identifies the FY2026 valuation date as January 1, 2025. A current 2026 sale or listing price is therefore not automatically comparable without considering the applicable valuation date and assessment process.
Tax rate ≠ exact bill: a simple value × rate calculation may differ from the actual account because exemptions, CPA surcharge rules, abatements, betterments, supplemental bills, preliminary bill credits and other account-specific items can affect what is ultimately due.
Official Town of Natick tax rate Confirm FY2026 Tax Rate

FY2026 Natick Property Tax Estimate Helper

Use this only to understand the basic FY2026 rate calculation. It is not a tax bill, payoff quote or exemption calculation.

Enter an assessed value to see the basic rate calculation.

Formula: assessed value ÷ 1,000 × 12.17. Confirm the actual account with the Town Collector/Treasurer.

Natick Real Estate Tax Bills: Preliminary vs Actual

Natick uses quarterly billing. The first two installments are preliminary; the later bills reflect the certified assessment and current tax rate.

Quarter
Typical due date
Bill type
What it means
Q1
August 1
Preliminary
Estimated from prior-year net tax under the quarterly billing system.
Q2
November 1
Preliminary
Still part of the preliminary billing period.
Q3
Usually February 1
Actual
The new certified value and tax rate appear in the actual billing cycle.
Q4
May 1
Actual
Final regular installment for the fiscal year.
Weekend/holiday timing: the Collector FAQ says a due date falling on a weekend moves to the first Monday after the due date. Always use the date printed on the current bill.
FY2026 specific notice: Natick’s current FY2026 Collector page lists Q3 actual bills mailed by December 31, 2025 with a published due date of February 3, 2026, and Q4 bills mailed by March 31, 2026 with a May 1, 2026 due date.

Which office answers which question?

Assessor

Call about the assessed value, property data, exemption or abatement.

Collector / Treasurer

Call about the bill, amount outstanding, payment posting, interest, demand notice or escrow payment.

Pay Natick Real Estate Taxes Online Without Using the Wrong Balance

Natick uses UniPay for real-estate, personal-property and several other Town bills.

Open the Town’s Online Payments page

Choose the Town’s UniPay bill-payment route instead of a search-engine advertisement.

Select Real Estate Tax

Make sure you are not opening water/sewer, personal property or motor-vehicle excise by mistake.

Use the current fiscal year

Natick specifically reminds users to select the current fiscal year when processing a real-estate payment.

Search for the bill

The Town’s payment instructions say real-estate bills can be located by bill number; users can also use the “Search for Your Bill” route with a last name or street name.

Review payment method and fee

Natick states that UniPay e-check/ACH payments are free, while credit-card payments carry a service fee.

Save the email confirmation

The official instructions say the system emails the payment amount and date after a successful transaction.

Very important UniPay limitation: the balance/history shown in a UniPay account reflects payments made online through UniPay. Payments made by mail, at Town Hall, through personal online banking or through mortgage escrow may not appear in the UniPay banking history.
Need the true current balance? Call the Collector/Treasurer at 508-647-6425, especially if a bill has been removed from the online payment site or you paid outside UniPay.
Official Town of Natick payment pages
Open Online Payments Read Payment Instructions

Natick Property Assessment Abatement: When You Can Challenge Value

Massachusetts uses an abatement process rather than the “property tax protest” terminology common in some other states.

Filing window is narrow

Natick says a real-estate abatement can be filed only once each year between the mailing of the third-quarter tax bill and its due date, usually around February 1.

Prior years cannot be reopened through the current filing

The Town states that abatement applications cannot be accepted outside that annual filing period or for previous years.

Reasons Natick lists for an abatement

Reason
What you are arguing
Evidence direction
Overvaluation
The assessed fair cash value is too high or reflects a data error.
Comparable market evidence, appraisal data, photos, factual property corrections.
Disproportionate assessment
The property is assessed at a different percentage of fair cash value than comparable property.
Consistent comparison methodology, not just one neighboring home.
Improper classification
The property has been placed in the wrong statutory tax class.
Actual use, property facts and classification documentation.
Statutory exemption
The property qualifies for an exemption based on ownership or use.
Eligibility and ownership/use documents required by the program.
Deadline means received/postmarked correctly: Natick says applications delivered to the Assessor must arrive before the filing deadline; mailed applications must carry a U.S. Postal Service postmark on or before the deadline. Massachusetts law prevents the Assessors from granting an untimely abatement.
Official Natick abatement information Open Abatement Forms & Instructions

Prepare an Abatement Before the Filing Window Opens

Natick specifically encourages taxpayers to review the assessment in December or January because the statutory filing window is short.

Property-data check

  • Save the Property Record Card.
  • Confirm address and parcel ID.
  • Check property class.
  • Review land and building value.
  • Check building characteristics for obvious errors.
  • Compare deed/ownership information when relevant.

Value evidence

  • Use sales relevant to the applicable valuation date.
  • Explain differences in location, lot and building size.
  • Document condition problems with clear photos.
  • Keep repair estimates when condition materially affects value.
  • Separate factual errors from disagreement with market value.
  • State the value or correction you believe is appropriate.
After filing: the Board may request additional information or an inspection. Natick says the taxpayer must provide requested information and permit the requested inspection within 30 days; failure can cause denial.
Board action: Natick states that the Assessors have three months to act. If no action is taken within that period, the application is deemed denied by law.

Natick Property Tax Exemptions and Senior Deferral Programs

The Assessors administer several property-tax assistance programs. These are different from an abatement: an abatement challenges an assessment, while an exemption or deferral depends on statutory eligibility.

Senior programs

Natick lists programs including senior/surviving-spouse/minor-child relief, Clause 41C senior relief and Clause 41A senior tax deferral.

Blind & veteran programs

The Town administers statutory relief for qualifying blind taxpayers and several disabled-veteran categories.

Local assistance

Natick also describes an Elderly & Disabled Fund and other assistance routes in addition to statutory exemptions.

Important annual rules

  • Natick says exemption/deferral applications must be filed each year by April 1.
  • Ownership, occupancy and other program qualifications are generally measured as of July 1.
  • If the property is held in a trust, trust documentation must be supplied.
  • The Town says a qualifying owner in a trust generally must be both a trustee and a beneficiary.
  • Senior programs can require age, residency, ownership, income and/or asset documentation.
  • Use the current fiscal-year program page because monetary limits can be adjusted.
Do not use old income limits from a search result: Natick adjusts some program limits, so review the current application and Town summary for the fiscal year in which you are applying.
Official Natick tax assistance Review Exemptions & Deferrals

Why a Natick Assessor May Visit Your Property

Inspections are used to keep property-record information current for sales, permits and the Town’s cyclical inspection program.

Watch for a mailed letter

The dedicated cyclical-inspection page says homeowners selected for the neighborhood inspection cycle receive a letter first.

Verify the assessor

The Town says assessors carry police-issued identification badges and use Town vehicles.

Exterior measurements may be taken

If no one is home, the assessor may measure the exterior and leave a door tag with contact information.

Interior review is brief

The dedicated Town page says an interior walk-through generally takes about 10–15 minutes and verifies information such as bedrooms, bathrooms and finished/unfinished space.

You can schedule another time

Property owners may contact the Assessor’s Office to arrange a more convenient appointment.

Privacy rule: the Town says an assessor will never go through the home unaccompanied and must be with an adult; assessors do not conduct an interior visit with only minors present.
Entry and appeal consequence: Natick says owners do not have to allow entry, but interior information may then need to be estimated. Its cyclical-inspection page also warns that refusing inspection can affect the ability to pursue a formal appeal.
Official-page inconsistency: Natick’s dedicated cyclical-inspection page says properties must be inspected every 10 years, while another current Real Estate page says every 9 years. Because the Town’s pages conflict, this guide does not present either interval as universally controlling. Follow your inspection letter or confirm with the Assessor at 508-647-6420.
Read Current Inspection FAQ

Natick GIS Property Map: Useful for Research, Not a Legal Survey

The integrated WebGIS can show tax parcels and other geographic layers, but Natick gives a clear warning about legal property boundaries.

Good use

Locate a parcel visually when an address or owner-name search is confusing.

Good use

Review parcel context with zoning, civic boundaries, infrastructure, wetlands, water and aerial-imagery layers where available.

Wrong use

Do not use a GIS line alone to locate a fence, easement, encroachment or construction boundary.

Town boundary warning: Natick states that assessor/GIS maps are for tax and general-reference purposes and that only a licensed professional land surveyor can establish the true legal location of a property line.
Review Natick GIS Information

Natick Deeds, Liens and Recorded Property Documents

Natick is in the Middlesex South Registry of Deeds. Use the Registry when the question is legal recording rather than tax assessment.

Question
Correct source
Reason
Who does the Assessor currently show?
Natick assessor database
Fast assessment ownership lookup.
What deed was recorded?
Middlesex South Registry
The Registry holds recorded land instruments.
Is a lien recorded?
Middlesex South Registry
Natick’s Collector FAQ sends lien searches there, not to Town Hall.
Where is the exact legal boundary?
Recorded plans/deeds + licensed surveyor
Neither the assessor database nor GIS is a legal survey.

Search the deed after finding the assessor record

Save the owner name and deed reference

The Natick assessment database includes ownership information and legal deed references that can help narrow the Registry search.

Open Middlesex South land records

The official Massachusetts land-record system supports Recorded Land and Registered Land/Land Court searches.

Choose the search type

The Registry system offers name, document, book, property and recorded-date search routes.

Confirm Natick as the town

Massachusetts has multiple registry districts. The Secretary of the Commonwealth confirms that Natick belongs to Middlesex South.

Compare the property description

Match owner, document date, book/page or document number and property details before treating a record as the correct deed.

Current online access: Middlesex South states that searching, viewing, printing and downloading documents are currently provided free through its online land-record system.
Official Massachusetts land records
Search Middlesex South Records Verify Registry by Town

Supplemental Tax Bills After Major New Construction

A regular quarterly bill is not always the only real-estate tax bill a property owner can receive.

When Natick evaluates a supplemental bill

The Assessors review property receiving an occupancy permit when construction increased market value by more than 50%.

How it is calculated

Natick says the supplemental tax is based on the difference between the original and new assessed value, multiplied by the tax rate and prorated from the occupancy-permit date through June 30.

Escrow warning: Natick says supplemental bills are generally mailed in early to mid-May and due in mid-June, and mortgage companies do not receive electronic copies of this supplemental bill. Property owners may need to send it to their mortgage/escrow company themselves.

Can Two Natick Parcels Be Combined for Tax Billing?

Natick allows some contiguous parcels to be consolidated for billing purposes, but the Assessor lists several conditions that can block the request.

Generally possible when

  • Ownership is identical.
  • Legal deed references are identical.
  • The parcels otherwise satisfy the Assessing Department’s conditions.

Common reasons consolidation cannot occur

  • Outstanding taxes exist on a parcel.
  • A parcel is under appeal.
  • Recording status is mixed between recorded and registered land.
  • The request involves condominium lots or parking spaces requiring deed changes.
  • Buildings, multiple uses or lot-line conditions require additional planning/survey work.
Important limitation: Natick says parcel consolidation by the Assessing Department is strictly for billing purposes. It is not automatically a legal merger of land parcels for every other purpose.

Why the Prior Owner May Still Appear After You Buy a Natick Home

Massachusetts assessment and billing use fixed statutory dates, so the recorded deed, assessor ownership field and tax-bill name do not always update simultaneously.

Tax bill name

The Collector explains that the owner of record as of January 1 can remain on the tax bill for the following fiscal-year billing cycle even after the property has sold.

FY2026 assessment list

Natick’s published FY2026 list separately identifies the assessed owner as of January 1, 2025 and a newer current owner after January 1, 2025 when applicable.

New-owner checklist

  • Confirm that the deed recorded at Middlesex South.
  • Save the deed book/page or document reference.
  • Search the Natick assessor database.
  • Check the FY2026 owner/address listing if needed.
  • Verify the tax-bill mailing address.
  • Confirm escrow responsibility with your mortgage servicer.
  • Do not assume a prior-owner name means the deed failed to record.

If the Natick Property Tax Account Is Already Delinquent

A delinquent tax account is a Collector/Treasurer issue, not an assessor-database search problem.

Demand notice: Natick’s current collection page says a real-estate Demand Bill adds a $15 demand charge and unpaid amounts accrue 14% interest from the applicable quarterly due date.
Tax title: the Town says the taxpayer receives at least 14 days to pay the Demand Bill before the Town proceeds to the tax-taking stage. A tax-title lien is recorded in the Registry of Deeds and remains until the applicable account is resolved.

Call the Collector/Treasurer for an exact current balance instead of attempting to calculate interest from an old statement.

Review Unpaid Bill / Tax Title Information

Natick Assessor Database Not Finding the Property? Try These Fixes

Problem
Likely cause
Next step
Full address returns no result
Search wording is too specific.
Remove ZIP, state, punctuation and street suffix; try street number + key street word.
Owner name returns too many results
The search also finds similar owner/address text.
Add a street number or address keyword.
Owner name is old
January 1 assessment timing or recent deed transfer.
Check the “current owner” field/list and verify the deed at Middlesex South.
Property Record Card will not open
Browser pop-up blocking.
Allow pop-ups for the official MapGeo site and try again.
Need more property detail than MapGeo shows
Summary view is not the full card.
Open the Property Record Card link and scroll through the parcel information.
Value looks wrong
Factual data error or valuation disagreement.
Save the card and evidence; discuss it with the Assessor before the annual abatement deadline.
Tax bill differs from basic rate calculation
Quarterly credits, exemptions, surcharge, betterments or other account items.
Use the actual bill and contact Collector/Treasurer for account balance.
Payment not visible in UniPay history
Payment was made outside UniPay.
Call Collector/Treasurer; mail, Town Hall, bank and escrow payments may not appear in UniPay history.
Parcel line looks wrong
GIS is not a legal survey.
Review recorded plans/deeds and contact a licensed surveyor for exact boundary work.
Need a lien search
Wrong office.
Use Middlesex South Registry of Deeds; Natick Town Hall does not perform the Registry lien search.

Natick Assessor and Tax Office Contact Guide

Office
Use it for
Contact
Natick Assessor’s Office
Assessment values, property record corrections, abatements, exemption/deferral programs, address changes and inspections.
13 East Central Street, Town Hall 1st Floor, Natick MA 01760
508-647-6420
Fax 508-647-6424
Collector / Treasurer
Real-estate tax bills, current balance, payment status, escrow questions, demand bills and delinquency.
13 East Central Street, Town Hall 1st Floor
508-647-6425
Fax 508-647-6439
GIS Division
Town GIS applications and map-layer questions.
75 West Street, Natick MA 01760
508-647-6565
Middlesex South Registry of Deeds
Recorded deeds, liens, mortgages, plans and land-record searches.
208 Cambridge Street, Cambridge MA 02141
617-679-6300

Natick Town Hall hours

  • Monday–Wednesday: 8:00 a.m.–4:30 p.m.
  • Thursday: 8:00 a.m.–6:00 p.m.
  • Friday: 8:00 a.m.–12:30 p.m.
Small typo on the Town website: some Assessor pages display Wednesday closing as “4:300 p.m.” The Town’s general Finance/Public Records pages show the intended Town Hall schedule as 4:30 p.m.

Property-record call

“I am looking at Natick parcel [parcel ID] at [address]. I need help confirming the [assessment / property-card field / owner mailing record]. The fiscal year I am reviewing is [year].”

Abatement call

“I am reviewing my assessed value before the abatement deadline. My parcel is [ID], and the specific issue is [overvaluation / property data / classification]. Which current form and filing deadline apply?”

Tax-payment call

“I need the current balance/payment status for [property address or bill number]. The payment was made by [UniPay / mail / escrow / bank] on [date].”

Official Natick Property Record Links

Use these after the explanation above has identified the correct system for your task.

Assessor Database / WebGIS

Owner, address, parcel, assessment and Property Record Card search.

Open Database

Property Assessment Information

FY2026 assessment lists and official database instructions.

Assessment Information

Real Estate Tax Payment

Town payment instructions and UniPay route.

Online Payments

Natick MA Assessor Database FAQs

What is the official Natick MA assessor database?

The Town of Natick uses an integrated Assessor Database / WebGIS at MapGeo. It combines property assessment information with GIS mapping and provides access to the official Property Record Card.

Can I search Natick property records by owner name?

Yes. The Town’s official search guide says the integrated GIS can search by owner name, property address or a combination of both. A partial name can be useful when an exact owner search fails.

Can I search Natick property records by address?

Yes. Enter the address in the WebGIS Search tool. If a complete address does not match, simplify it to the street number and key street-name word, then select the correct parcel from the results.

How do I open a Natick Property Record Card?

Search and select the parcel in the official WebGIS, scroll through its information and select the Property Record Card link. If the PDF card does not open, allow pop-ups for the official MapGeo site.

What is the Natick FY2026 property tax rate?

The Town of Natick publishes an FY2026 tax rate of $12.17 for each $1,000 of assessed value. The actual tax bill can include account-specific items, so use the official bill for the final amount due.

Why does my new Natick home still show the prior owner?

Assessment and tax billing use statutory ownership dates and can update on a different schedule from recorded deeds. Natick’s FY2026 assessment list distinguishes the assessed owner as of January 1, 2025 from a later current owner where applicable. Verify the deed through Middlesex South Registry of Deeds.

When can I file a Natick real estate abatement?

Natick says an abatement application can be filed once each year between mailing of the third-quarter actual tax bill and its due date, usually around February 1. Applications cannot be accepted outside the statutory filing window or for prior years.

Where do I pay Natick property taxes?

Use the Town of Natick Collector/Treasurer and its official UniPay route. Natick says e-check payments through UniPay are free, while credit-card payments have a service fee. The Assessor does not collect property-tax payments.

Where can I find a deed or lien for a Natick property?

Natick is served by the Middlesex South Registry of Deeds. Use its official MassLandRecords search for recorded deeds, liens, mortgages and other land records rather than relying on the assessor ownership display as legal proof.

Is the Natick GIS parcel boundary a legal property line?

No. The Town specifically warns that GIS and assessor maps are for tax and general-reference purposes. A licensed professional land surveyor is required to establish the true legal location of a property boundary.

Use the Assessor Database First, Then Move to the Right Office

For a Natick property search, start with the integrated Assessor Database / WebGIS and save the parcel information and Property Record Card. Use the Assessor for value, property-data, abatement and exemption questions; the Collector/Treasurer for bills and payments; and Middlesex South Registry of Deeds for recorded legal documents.

Before paying, filing an abatement or making a legal property decision, verify the fiscal year, parcel, deadline and official document rather than relying on a private property-record estimate or an old search result.

Property Search Smart Helper

Find the Right Property Record, Tax Bill, Deed or Assessor Search Route

Use this helper before searching county property records. It helps you choose the right office, prepare the right details, avoid wrong-office mistakes, and review property records safely.

Official-source focused Use county assessor, appraiser, auditor, tax collector, treasurer, recorder, clerk, GIS and appeal resources where available.
Not legal or tax advice Always confirm values, taxes, deeds, exemptions, appeals and deadlines with the official county office.
Works across states Designed for APN, PIN, parcel number, STRAP, folio, account number, GIS map and deed-record searches.

Property Search Route Finder

Choose what you have and what you want to find. The tool will suggest the best search route and common mistake to avoid.

Copied.

Parcel / APN / PIN Format Helper

Parcel numbers are formatted differently by county. Try these variations if your official search does not return results.

This tool does not send or store your entry. It only creates search-format ideas on this page.
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Assessor, Tax Collector, Recorder or GIS?

Select your issue and this tool will show the office that usually handles it.

Choose an option above
This finder helps prevent wrong-office mistakes. Exact office names vary by state and county.

Simple Property Tax Estimate Helper

This is a general estimate only. State and county tax rules differ, so always verify final bills with the official tax collector, treasurer or county tax office.

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Exemption / Appeal Readiness Checklist

Use this before applying for an exemption or challenging a value. Missing proof is one of the biggest reasons users waste time or miss deadlines.

Property Record Review Checklist

Review these fields before relying on any assessor, appraiser, auditor, property appraiser, tax or deed record.

Official-source and accuracy note: This helper is for educational use only. Property values, tax bills, deeds, exemptions, GIS boundaries and appeal deadlines can change. Always confirm final information with the official county assessor/appraiser/auditor, tax collector/treasurer, recorder/clerk, GIS office or appeal board.