Route Your Kendall County Search Correctly
Kendall County property searches can mean two different counties. Illinois users need township assessment, county GIS, Treasurer and Board of Review tools; Texas users need Kendall Appraisal District in Boerne for appraisal records and many tax-collection tasks.
Choose the state first, then follow the owner, address, PIN or Property ID workflow below to check values, maps, tax bills, exemptions, appeals, deeds and payment status without getting trapped in the wrong government system.
First Decision: Kendall County Illinois or Texas?
The same county name leads to different parcel numbers, offices, tax systems and appeal rules. Confirm the state before entering personal information or making a payment.
Kendall County, Illinois
Use this path for Yorkville, Oswego, Plano, Newark, Montgomery and other properties inside Kendall County, Illinois.
- Parcel identifier: PIN / parcel number.
- Assessment: township assessor plus county Supervisor of Assessments.
- Tax bill/payment: Kendall County Treasurer/Collector.
- Map: Kendall County GIS.
- Assessment complaint: Kendall County Board of Review.
- Deeds and liens: County Recorder.
Kendall County, Texas
Use this path for Boerne, Comfort and other properties inside Kendall County, Texas.
- Parcel identifier: KAD Property ID / Geographic ID.
- Appraisal: Kendall Appraisal District.
- Protest: KAD and its Appraisal Review Board process.
- Tax collection: KAD for participating taxing entities.
- Map: KAD Interactive Map.
- Deeds: Kendall County Clerk official records.
Kendall County Illinois Property Office Router
Illinois searchers often call the Treasurer when they need an assessment correction or call the assessment office when they need a payment receipt. Use the office that controls the record.
Township Assessor
Best first contact for how the property was assessed, property characteristics, local comparable properties and informal valuation questions.
Supervisor of Assessments
Handles county assessment administration, record cards, equalization, exemptions, forms and Board of Review administration.
Treasurer / Collector
Handles the tax bill, 2026 installment payments, payment posting, delinquency and tax-sale collection questions.
Recorder
Handles deeds, mortgages, liens and other recorded land documents. Use this office when legal ownership history matters.
How to Search Kendall County Illinois Property Records
The official Property Tax Inquiry is the best general starting point when you have an owner, address or PIN. Save the PIN once you find the correct parcel because it is the strongest identifier for later steps.
Choose the correct record type
Use Parcel Search for ordinary real estate. Use the Mobile Home Search when the record is maintained as a mobile home.
Use the PIN first when you have it
Copy the parcel number from a tax bill or prior county record. PIN searching avoids many owner-name and address-format problems.
Otherwise search the address
Start with the house number and street name. Do not add every optional field on the first attempt.
Retry using the owner name
If the address is unclear, search the owner field. Trusts, estates, businesses and recent transfers may display differently than expected.
Confirm the parcel before relying on it
Compare the PIN, site address, owner, legal description, assessed value, sale information and tax details.
Save the PIN and route the next task
Use the PIN with the township assessor for assessment questions, Treasurer for tax payments, GIS for mapping and Recorder for deeds or liens.
The official county inquiry performs the live parcel search. This guide does not collect or store property-search entries.
Official Kendall County Illinois Property Tax Inquiry Open Illinois Property SearchSearch Kendall County IL by Owner, Address, PIN or Sale
What you know |
Best field |
Best first input |
If it fails |
|---|---|---|---|
PIN |
Parcel Number |
Exact parcel number from bill or record. |
Check digits and formatting; use GIS if the physical parcel is uncertain. |
Owner name |
Owner Name |
Name as shown on the tax bill when possible. |
Use surname only, business/trust name or address. |
Address |
House Number + Street |
House number and primary street name. |
Remove unit, punctuation or unnecessary wording. |
Approximate address |
House Number Low / High |
A narrow number range plus street name. |
Use GIS to click the parcel visually. |
Recent transaction |
Sale Date / Sale Price |
Narrow date or price range. |
Add address, PIN or legal-description clues. |
Taxing area |
Tax Code / Tax District |
Known code after identifying the general parcel area. |
Remove the district filter and search more broadly. |
Legal description |
Legal Description |
Distinctive partial wording. |
Search fewer words and verify against Recorder documents. |
Mobile home number |
Mobile Home Search |
Mobile-home number, owner or site address. |
Try the number with or without dashes. |
What to Check in a Kendall County Illinois Property Record
Finding a result is only the first step. Review the fields that affect assessment, tax and ownership research before taking action.
Field |
Why it matters |
Common mistake |
|---|---|---|
PIN |
Connects assessment, tax, GIS and office records. |
Using a neighboring parcel or condo/common-area PIN. |
Owner |
Provides the owner/taxpayer display used in county records. |
Treating it as a legal title opinion. |
Site address |
Helps match the physical parcel. |
Assuming it must match the mailing address. |
Assessed / EAV data |
Feeds the taxable-assessment calculation. |
Confusing assessment with full market value or tax bill. |
Exemptions |
May reduce the taxable assessment. |
Assuming a missing recently filed exemption was denied without checking processing status. |
Sale data |
Useful for market research and appeal preparation. |
Using one sale without checking whether it is comparable or arm’s-length. |
Legal description |
Helps connect the parcel to Recorder records. |
Using assessor/GIS information instead of a recorded deed or survey for a legal dispute. |
Kendall County Illinois GIS Map and Comparable-Sales Research
Use GIS when a parcel is easier to identify visually, when addresses overlap, or when you are preparing a serious assessment comparison.
Search by PIN or address
The official Quick Lookup tool accepts a PIN with or without hyphens and a site address.
Click the parcel
Selecting a parcel updates available property and structure information without requiring an owner-name search.
Overlapping condos
Use the map Select tool to select overlapping parcels and page through them rather than assuming the first visible shape is the correct unit.
Use CAMA & Sales when researching an assessment
- Search a known PIN or site address.
- Filter CAMA/property characteristics.
- Filter recent sales.
- Compare map and table results.
- Export a filtered table when a spreadsheet makes comparisons easier.
- Check historical imagery and map layers where useful.
- Explain why each comparison property is actually similar.
Kendall County Treasurer Property Tax Lookup: 2026
The Treasurer/Collector controls the Illinois property-tax bill and payment record. Do not use the assessment office to resolve a payment-posting problem.
Look up the correct PIN
Search the county property-tax inquiry and match the parcel address and owner before preparing payment.
Check the installment
Confirm whether you are paying the first or second installment and use the amount printed on the bill.
Select the payment method
Online card, mail and other county-authorized routes may be available. Review convenience fees before completing an online transaction.
Protect the mailing date
If mailing near the deadline, the county recommends going inside the post office and obtaining a hand-cancelled postmark rather than relying on a collection box.
Verify payment posting
Keep the canceled check or online confirmation and then recheck the official property-tax record.
How a Kendall County Illinois Assessment Becomes a Tax Bill
Illinois property-tax records use assessed value rather than displaying only a simple “home value × rate” calculation.
Fair cash value
The market-value concept used in ordinary real-property assessment.
33.33% assessment level
Non-farm, non-coal property is generally assessed at a one-third median level of fair cash value.
Taxable assessment
The final equalized assessed value is reduced by applicable exemptions before the tax rate is applied.
How to Appeal a Kendall County Illinois Assessment
An assessment appeal challenges the assessment—not the tax rate. Waiting until after the tax bill arrives can be too late for that assessment year’s normal complaint window.
Pull the property record
Check the PIN, assessment, class, land, improvements and exemptions before deciding whether the problem is value, uniformity or a factual error.
Talk to the township assessor
Ask how the assessment was developed and whether an incorrect property fact can be corrected before formal Board of Review filing.
Identify the complaint basis
Possible grounds include market value above actual market value, non-uniform assessment compared with similar property, or inaccurate property information.
Collect evidence
Use relevant sales, property record cards, photographs, purchase documents, an appraisal or documentation correcting inaccurate measurements or characteristics.
Check the publication date
Find the applicable assessment publication and calculate the county’s 30-day filing window from that publication.
File the written Board of Review complaint
Use the current county form and instructions. Keep a complete copy and proof of submission.
Build Better Illinois Assessment Appeal Evidence
A useful evidence packet should show why the assessment is wrong rather than simply show that the tax bill increased.
Market-value case
- Recent arm’s-length sale of the subject property.
- Independent appraisal where appropriate.
- Recent comparable sales.
- Photos showing condition differences.
- Repair estimates or inspection findings.
- Explanation of why each comparable is similar.
Uniformity or factual-error case
- Property record card for the subject parcel.
- Comparable property record cards.
- Incorrect square footage or lot measurement proof.
- Photos or permits showing improvement status.
- Correct property class or characteristic documentation.
- Side-by-side assessment comparison.
Simple evidence index
- PIN and property address.
- Assessment year.
- Complaint reason.
- Requested assessed value or factual correction.
- Numbered exhibits.
- One sentence explaining what each exhibit proves.
Kendall County Illinois Homestead Exemptions
Exemptions reduce equalized assessed value or provide another statutory form of relief. Filing and renewal rules vary by program.
Exemption |
2026 guidance |
Practical filing point |
|---|---|---|
General Homestead |
Illinois guidance provides a maximum $6,000 EAV reduction in counties such as Kendall that are not Cook County or contiguous to Cook. |
Property must be the qualifying principal residence. County advises contacting the office before filing its current general form. |
Home Improvement |
County page describes qualifying improvement relief up to $75,000 fair cash value for four years. |
Township assessor normally certifies the improvement; owner application is not generally required. |
Senior Citizen Homestead |
State guidance lists a maximum $5,000 EAV reduction for Kendall County. |
Age 65+ and qualifying residence/ownership rules apply; follow county renewal instructions. |
Senior Assessment Freeze |
2026 household-income limit is $75,000 for assessment year 2026 payable in 2027. |
Annual Form PTAX-340 is required; the freeze limits qualifying EAV growth, not the final tax bill. |
Disabled Persons |
Illinois provides an annual $2,000 EAV reduction for qualifying owners. |
Annual application and disability qualification documentation are required. |
Returning Veterans |
County guidance describes a $5,000 EAV reduction for two qualifying assessment years. |
Use the current Returning Veterans application and military documentation. |
Disabled Veterans Standard |
Benefit varies according to the VA-certified service-connected disability percentage. |
Use the current form and verify renewal requirements for the veteran’s specific category. |
Find Kendall County Illinois Deeds, Mortgages and Liens
Use the Recorder when you need recorded ownership or transaction documents rather than the owner display in an assessment or tax record.
Start with the parcel record
- Save the PIN.
- Save current owner spelling.
- Save the legal description.
- Estimate the recording date.
Then use Recorder records for
- Deeds and transfers.
- Mortgages.
- Liens and releases.
- Plats and other recorded instruments.
Kendall County Texas Assessor Property Search
For Kendall County, Texas, use Kendall Appraisal District rather than searching for an Illinois-style township assessor.
Search method |
Best use |
Search fix |
|---|---|---|
Owner |
Search owner records in last-name-first-name format. |
Try only the first or last name when the full name fails. |
Address |
Find a residence, commercial property or known street location. |
KAD recommends simplifying the search to the street name when necessary. |
Property ID |
Best exact-match search when you already have the KAD ID. |
Make sure the number is a KAD Property ID rather than another tax identifier. |
Advanced Search |
Subdivision, abstract, condo, Geographic ID, Owner ID, property type, neighborhood, tax year or protest-related fields. |
Add filters one at a time rather than over-filtering the first search. |
Interactive Map |
Locate land or a parcel that is easier to identify visually. |
Verify legal descriptions separately before legal use. |
Kendall AD Taxpayer Portal: Registration and PIN Help
KAD’s updated taxpayer portal lets property owners access property details, electronic communications, documents and applications from one account.
Registration credentials
The registration page asks for the Owner ID and E-FILE PIN associated with appraisal-district property credentials.
Approval can be pending
Submitting the registration does not necessarily mean the account is active immediately; the portal can display a registration-pending-approval status.
Protect the PIN
Use only the credentials tied to your property-owner record. Do not post the E-FILE PIN publicly or send it to an unrelated property website.
Current portal registration sequence
Kendall County Texas Property Protest: Form 50-132-A
Kendall AD publishes the Texas Comptroller’s protest form for counties under the applicable population threshold. The form itself answers several procedural questions that generic property-search pages usually omit.
Reasons you can identify on the form
- Incorrect market value or unequal appraisal.
- Property should not be taxed by a taxing unit.
- Property should not be in the appraisal district.
- Required notice was not sent.
- Exemption denied, modified or canceled.
- Special appraisal issue.
- Incorrect owner name.
- Incorrect property description.
- Other qualifying appraisal matters.
Information to prepare
- Owner/lessee information.
- Property physical or legal description.
- Every protest reason that genuinely applies.
- Your opinion of value when useful.
- Facts supporting the protest.
- Requested hearing method.
- Signature and filing date.
Hearing options shown on the form
Option |
What the form explains |
|---|---|
Informal conference |
Owner may request an appraisal-office informal conference before the formal protest hearing. |
Single-member panel |
The form includes a single-member-panel request option; later written requests have statutory timing requirements. |
In-person appearance |
Owner or representative can select an in-person ARB hearing. |
Phone / video |
Remote participation requires advance written notice and evidence/affidavit handling under the applicable rules. |
Written affidavit |
Owner can choose to submit an affidavit and evidence delivered before the hearing begins. |
Kendall County Texas Property Tax Search and Payment
Kendall Appraisal District collects taxes for several local taxing entities, but not every entity overlapping Kendall County. Read the tax bill before assuming KAD receives every payment.
KAD currently collects for
- Kendall County.
- Boerne ISD.
- Comfort ISD.
- City of Boerne.
- Kendall County WCID #1.
- Kendall County MUD #1.
- Miralomas MUD.
- Cow Creek Ground Water Conservation District.
KAD does not collect every overlapping tax
KAD directs taxpayers for certain entities—including Blanco ISD, Comal ISD, Fredericksburg ISD, City of Fair Oaks Ranch and specified WCIDs—to the entity’s separate collection office.
Read each taxing-unit line on the bill before paying.
Texas payment details
Payment item |
Current KAD guidance |
|---|---|
Early discount |
Kendall County, Boerne ISD and Comfort ISD offer 3% in October, 2% in November and 1% in December. |
Card processing |
Current KAD online-payment page lists 2.35% with a $2 minimum. |
Electronic check |
Current KAD page lists a $0.50 e-check fee. |
Payment posting |
KAD says Certified Payments transactions are posted by the end of the next business day. |
Telephone payment |
Telephone payment is available through the processor; retain the confirmation number as payment proof. |
Historical balance caution |
KAD property records warn that displayed amounts may not reflect delinquent taxes beyond the system’s five-year history or all partial/contract payments. |
Kendall County Illinois vs Texas: Quick Comparison
Task |
Illinois |
Texas |
|---|---|---|
Property identifier |
PIN / Parcel Number |
Property ID / Geographic ID |
Assessment office |
Township assessor + Supervisor of Assessments |
Kendall Appraisal District |
Owner/address search |
County Property Tax Inquiry |
KAD Property Search |
Map |
Kendall County GIS |
KAD Interactive Map |
Tax bill/payment |
Treasurer / Collector |
KAD for participating entities; another collector for excluded entities |
Value challenge |
Township assessor → Board of Review |
KAD → Appraisal Review Board |
Recorded deed |
County Recorder |
County Clerk official records |
Kendall County Property Search Troubleshooting
Problem |
Likely cause |
What to do next |
|---|---|---|
No result at all |
Wrong Kendall County state. |
Confirm Illinois versus Texas before changing search fields. |
IL owner does not appear |
Trust, LLC, estate, spelling or delayed ownership update. |
Search address or PIN and verify deed records if ownership matters. |
IL address returns several parcels |
Condo, multiple lots or common address. |
Open GIS and compare parcel geometry and PINs. |
IL tax payment does not show |
Processing delay or wrong parcel/payment details. |
Keep payment proof and contact the Treasurer/Collector with PIN, amount and payment date. |
IL assessment looks high |
Market value, uniformity or factual-record issue. |
Contact the township assessor and check the Board of Review publication deadline immediately. |
IL 2026 appeal deadline is unclear |
County filing period is publication-driven. |
Check the current township assessment publication rather than using an old fixed date. |
TX address search fails |
Address wording is too specific. |
KAD recommends a simpler search such as the street name alone. |
TX owner search fails |
Name formatting or ownership variation. |
Try only the first or last name, then search by address or Property ID. |
TX tax cannot be paid to KAD |
The taxing entity uses a different collector. |
Read the bill and KAD’s current list of non-collected entities. |
Map boundary conflicts with fence |
GIS is not a legal survey. |
Use recorded documents and a survey for legal boundary work. |
Kendall County Property Contacts and Call Scripts
Office |
Best for |
Current contact |
|---|---|---|
Kendall County IL Assessments |
Assessment administration, exemptions, property description, equalization and Board of Review. |
504 S Main St, Yorkville, IL 60560 630-553-4146 Mon–Fri 8:00 a.m.–4:30 p.m. |
Kendall County IL Treasurer / Collector |
Tax bills, payments, posting and delinquency. |
504 S Main St, Yorkville, IL 60560 630-553-4124 Mon–Fri 8:00 a.m.–4:30 p.m. |
Kendall County IL Recorder |
Deeds, mortgages, liens and recorded land records. |
502 S Main St, Yorkville, IL 60560 630-553-4112 Verify service-specific recording cutoff before visiting. |
Kendall Appraisal District TX |
Texas appraisal, search, exemptions, protest and participating-entity tax collection. |
118 Market Avenue, Boerne, TX 78006 830-249-8012 Appraisal: Mon–Fri 8:00 a.m.–5:00 p.m. Tax collection: 8:00 a.m.–4:00 p.m. |
Illinois township assessor directory
Township |
Assessor |
Phone |
|---|---|---|
Little Rock (01) |
Carly Wade |
630-552-3328 |
Bristol (02) |
Mary Maher-Bartalone |
630-553-3940 |
Oswego (03) |
Brian Hauser |
630-554-3214 |
Fox (04) |
Cathy Scalise |
630-553-6525 |
Kendall (05) |
Cathy Scalise |
630-553-6525 |
Na-Au-Say / Lisbon / Seward |
Susan West |
815-254-7708 |
Big Grove (07) |
Ray Eddy |
815-695-5866 |
Illinois assessment script
Illinois tax script
Texas KAD script
Before You Pay, Appeal or Rely on the Record
- Confirmed Kendall County Illinois or Kendall County Texas.
- Matched property address.
- Matched PIN or Property ID.
- Checked the correct tax or assessment year.
- Verified that the owner display is not being treated as legal title proof.
- Reviewed property characteristics for obvious errors.
- Checked exemptions separately.
- Verified the payment office or collector.
- Saved payment or filing confirmation.
- Checked deed/survey records when the issue is legal ownership or boundary.
Official Kendall County Action Links
The guide above explains the process. Use these official systems when you are ready to perform the live lookup, filing, payment or document action.
Illinois property lookup
Search by PIN, owner, address and additional parcel fields.
Property Tax InquiryIllinois GIS
Map parcels and search by PIN or site address.
GIS ViewerIllinois tax payment
Confirm due dates, payment methods and collection instructions.
Treasurer Payment HelpIllinois assessment office
Exemptions, forms, township routing and Board of Review resources.
Assessment OfficeTexas KAD search
Search owner, address, ID and Advanced Search fields.
KAD Property SearchTexas KAD portal
Property-owner account, communications and applications.
Taxpayer PortalTexas KAD forms
Protest, homestead, evidence affidavit and other current property-tax forms.
KAD FormsTexas payment
Review fees and payment instructions before sending a tax payment.
KAD Payment HelpTexas taxpayer rights
Review statewide appraisal, notice, protest, information-access and appeal rights.
Texas Bill of RightsKendall County Property Search FAQs
Does “Kendall County assessor property search” mean Illinois or Texas?
It can mean either. Kendall County, Illinois uses township assessors, a county Supervisor of Assessments, Treasurer and GIS system. Kendall County, Texas uses Kendall Appraisal District in Boerne. Confirm the state before searching or paying.
How do I search Kendall County Illinois property records by owner?
Use the official Property Tax Inquiry owner field. If the expected name does not appear, retry by property address or PIN because trusts, LLCs, estates and recent transfers can display differently.
How do I search Kendall County Illinois property records by address?
Start with the house number and street name in the official Property Tax Inquiry. If several parcels appear or the address is unclear, switch to the county GIS Viewer and identify the parcel visually.
What are Kendall County Illinois property-tax due dates for 2026?
The first installment is due June 9, 2026 and the second installment is due September 9, 2026. Current county instructions say estimated and partial payments are not accepted, so use the exact amount shown on the bill.
What is the Kendall County Illinois 2026 assessment appeal deadline?
The county does not use one permanent date for every year. Board of Review complaints must be filed in writing within 30 days after publication of the applicable assessments. Check the current publication rather than reusing the 2025 deadline.
What is the 2026 Senior Freeze income limit in Kendall County Illinois?
The household-income limit is $75,000 for assessment year 2026, payable in 2027. Some older county text still displays the prior $65,000 limit, but the county’s March 2026 update and current Illinois guidance confirm $75,000.
Can Kendall County Illinois GIS prove my property boundary?
No. GIS is useful for parcel identification and assessment research, but legal boundary, easement and encroachment questions should be checked against recorded documents and a professional survey when necessary.
How do I search Kendall County Texas property records?
Use Kendall Appraisal District’s official property search. Search by owner, address, Property ID or Advanced Search fields. If an address fails, KAD recommends simplifying the search, such as using only the street name.
Does Kendall Appraisal District collect every Kendall County Texas property tax?
No. KAD collects for Kendall County and several participating local entities, but other entities use separate collectors. Read the taxing-unit information on the bill and KAD’s current collector list before paying.
Where do I find deeds for Kendall County property?
For Illinois, use the Kendall County Recorder for deeds, mortgages, liens and related recorded documents. For Texas, use the Kendall County Clerk official-record search. An assessment owner field is not a substitute for a recorded deed.
Finish the Search With the Correct Government Record
Start by choosing Illinois or Texas, then identify the parcel with the strongest available number. For Illinois, save the PIN and route assessment questions to the township/county assessment system and payment questions to the Treasurer. For Texas, save the KAD Property ID and confirm whether KAD or another collector handles the taxing entity.
Before paying, filing an appeal, applying for an exemption or relying on ownership information, verify the property, tax year, official office and supporting documents one final time.
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.
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.
Parcel / APN / PIN Format Helper
Parcel numbers are formatted differently by county. Try these variations if your official search does not return results.
Assessor, Tax Collector, Recorder or GIS?
Select your issue and this tool will show the office that usually handles it.
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.
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.