Ascension County Assessor Property Search & Tax Lookup 2026

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Ascension Parish Louisiana Property & 2026 Tax Guide

Search Ascension Parish Property Records, 2026 Assessments, Maps & Tax Bills

Louisiana does not have an “Ascension County Assessor.” The correct office is the Ascension Parish Assessor. Its official Beacon system lets users research property by address, owner name, parcel number or subdivision, then open assessment values, property characteristics, ownership history and interactive maps.

The timing is especially important in August 2026: Ascension Parish’s official 2026 Open Book period begins August 17 and ends August 31. Property owners who disagree with the roll can review their value with the Assessor and, when necessary, file a Board of Review appeal by September 10, 2026 at 5:00 p.m.

Owner, address, parcel & subdivision search
2026 Open Book: Aug. 17–31
Board appeal deadline: Sept. 10 at 5 p.m.
Sheriff tax bills, deeds, GIS & exemptions
Search Property Records Open Assessor Map Search / Pay Taxes Search Land Records
Parish Assessor M.J. “Mert” Smiley, Jr.
Gonzales phone 225-647-8182
Tax Collector Sheriff Bobby Webre
Tax Office 225-621-8367
Reviewed August 12, 2026
Immediate 2026 action

The Ascension Parish Assessment Roll Opens August 17

Open Book: August 17–31, 2026. This is the official annual period for property owners to inspect the assessment roll and review disputed values with the Assessor.
Appeal: a Board of Review appeal must be properly received by Thursday, September 10, 2026 at 5:00 p.m.
As of August 12: the Open Book has not started yet. This is an ideal time to search your property, save the parcel information, compare the value with your records and prepare evidence before August 17.
Email alone does not complete a valid Board of Review appeal. The Assessor says Form 3101A must be received in person, by certified mail with signature required, or by qualifying commercial delivery with signature required. An emailed copy may accompany the process, but is not itself a valid filing.
Four property jobs, four offices

Assessor, Sheriff, Clerk or Parish GIS?

Parish Assessor

  • Property search
  • Fair market value
  • Assessed value
  • Homestead exemption
  • Special assessment freeze
  • Assessment appeals

Sheriff / Tax Collector

  • Tax bills
  • Tax payments
  • Tax balance
  • Delinquent taxes
  • Tax sale
  • Payment confirmation

Clerk of Court

  • Conveyances / deeds
  • Mortgages
  • Liens
  • Official records
  • Document copies
  • Title research

Parish GIS

  • Parish maps
  • Zoning
  • Flood-zone context
  • Fire districts
  • School districts
  • Public map layers
Do not ask the Assessor to change your tax rate. The Assessor determines value and assessment. The applicable governing bodies set millages, and the Sheriff serves as Ex-Officio Tax Collector for parish taxes.

What the Ascension Parish Property Search Can Show

Owner & Parcel Identity Useful for confirming you are researching the correct tract before moving to taxes or deeds.
Assessment Values Fair-market and assessed-value information used in ad valorem taxation.
Property Characteristics Details that can help explain how a valuation was developed.
Ownership History Useful when tracing changes in the appraisal inventory.
Interactive Mapping Property boundaries and geographic context using Beacon map tools.
Zoning / Flood Context The Assessor announced zoning, flood-zone and other useful mapping layers in the Beacon platform.

Ascension Parish Property Record Decoder

Property record Why it matters Where to verify
Owner Shows ownership maintained in the Assessor’s parcel inventory. Use Clerk conveyance records when legal title matters.
Parcel Number Connects appraisal, tax and mapping research. Save it before moving to Sheriff’s tax system.
Fair Market Value Represents the Assessor’s estimate of market value before the statutory assessment percentage. Compare with market evidence during Open Book.
Assessed Value A percentage of fair market/use value based on Louisiana property classification. Check assessment classification.
Homestead Can exempt up to $7,500 of qualifying assessed value. Assessor exemption record.
Legal Description Identifies the parcel in land-record terminology. Use Clerk deed/survey for legal reliance.
Property Characteristics Physical features can materially affect fair market value. Compare with actual building and land conditions.
Map Boundary Provides parcel orientation and adjacent-property context. Not a substitute for a legal survey.
Taxing Districts Location determines which parish, school, fire, lighting and other millages apply. Final tax bill / applicable district records.
Louisiana assessment percentages

How Ascension Parish Converts Market Value into Assessed Value

10% Residential Land & Improvements Residential land and residential improvements are assessed at 10% of fair market value.
10% Commercial Land Commercial land is assessed at 10% of fair market value.
15% Commercial Improvements / Personal Property Commercial improvements and commercial personal property are assessed at 15% of fair market value.
Example: a $250,000 residence at the 10% assessment level produces $25,000 of assessed value before exemptions. With a full $7,500 homestead exemption, the example taxable assessed value becomes $17,500 before millages are applied.
One mill = $1 per $1,000 of taxable assessed value. The final tax depends on all applicable millages and parcel fees for the property’s location.

How Often Is Ascension Parish Property Reassessed?

Real Property Louisiana requires existing real property to be reappraised at intervals of no more than four years.
Personal Property Business inventory, furniture, fixtures, machinery and equipment are reported and assessed annually.
Market movement can still matter between major reassessment cycles. The Assessor performs market analysis and ratio studies to keep assessments within Louisiana’s required valuation standards.
2026 deadlines verified

Ascension Parish 2026 Open Book & Assessment Appeal Calendar

Prepare now Search parcel and gather value evidence.
Open Book begins Public exposure of the 2026 assessment roll.
Open Book ends Complete assessment review with Assessor.
Appeal deadline Board of Review filing due by 5:00 p.m.
Board hearing 6:00 p.m. at Ascension Parish Council Chambers.
Evidence rule: submit information concerning the value of your property to the Assessor before the Board of Review appeal deadline. The Assessor warns that failure to do so can prevent reliance on that information later in the protest.

How to challenge a 2026 assessment

Search the property before August 17. Save the parcel details and current assessed value.
Review the assessment during Open Book. Ascension’s 2026 period is August 17 through August 31.
Discuss the value with the Assessor. Bring evidence showing why the current fair-market or assessed value should change.
Prepare Appeal Form 3101A if unresolved. The Assessor publishes the official form in its Forms section.
File correctly by September 10 at 5:00 p.m. File in person or use certified/commercial mail with signature required as directed by the Assessor.
Attend the Board of Review when necessary. The 2026 hearing is September 17 at 6:00 p.m. at 607 E. Worthey St., Gonzales.
  • Comparable recent sales
  • Recent appraisal
  • Photos of property condition
  • Repair estimates
  • Correct square footage
  • Flood or access limitations
  • Relevant legal restrictions
  • Comparable property assessments
Open Official 2026 Appeal Instructions Confirm Open Book dates, Form 3101A filing requirements, deadline and Board hearing information.
Primary-residence tax relief

Ascension Parish Homestead Exemption

Up to $75,000 Market Value Louisiana’s standard homestead benefit corresponds to the first $75,000 of qualifying home value.
Up to $7,500 Assessed Value Because residential property is assessed at 10%, the maximum standard deduction from assessed value is $7,500.
Not Automatic Ascension Parish requires a signed homestead application. Purchasing and occupying the house alone does not automatically create the exemption.
Once granted: the Assessor says the exemption remains in place as long as you continue to own and occupy the property as your qualifying primary residence.
Apply for Homestead Read current eligibility guidance and use the Assessor’s official online application link.
Freeze assessed value—not the tax bill

Special Assessment Level Freeze

A qualifying homeowner with homestead exemption may be able to freeze the assessed value of the residence. The benefit does not freeze millage rates or guarantee an unchanged tax bill.

Age 65+ Owners age 65 or older with homestead exemption can qualify when the applicable income requirement is met.
Permanent Disability Permanently and totally disabled qualifying owners can also be eligible with required certification.
Certain Veterans / Military Cases Eligible disabled veterans and specified military-status households can qualify under the current constitutional rules.
2026 income amount needs confirmation before filing. Ascension’s current page displays a $102,700 baseline and specifically notes that the threshold is adjusted by the Consumer Price Index beginning in tax year 2026. Ask the Assessor for the finalized 2026 threshold rather than relying on the pre-adjustment amount alone.
Check Special Assessment Freeze Eligibility Review qualifying categories and supporting-document requirements.

Disabled Veteran & First Responder Exemptions

50%–69% Disabled Veteran Current Ascension guidance provides an additional $2,500 exemption from assessed value after the standard homestead benefit.
70%–99% Disabled Veteran Current guidance provides an additional $4,500 exemption from assessed value.
100% Disabled Veteran Qualifying 100% service-connected disabled veterans can receive exemption of the remaining assessed value of the qualifying homestead under the current rules.
First responders: Ascension Parish has also approved a local first-responder exemption of up to $2,500 of assessed value for qualifying full-time first responders or qualifying volunteer firefighters who meet the parish residency/employment rules. Annual application and employer documentation are required.
2026 bills arrive later in the year

When Are Ascension Parish Property Taxes Due?

Assessment roll Open Book and appeals address the 2026 assessment.
Millages finalized Applicable governing bodies determine final rates.
Bills mailed Annual parish property-tax notices are sent later in the year.
Taxes due Ascension Parish annual property taxes are due by December 31.
Delinquency Unpaid balances can accumulate interest, penalties and collection costs.
The current assessment search is not the final 2026 tax bill. Taxing bodies establish millages separately, and the Sheriff bills and collects the resulting tax later in the year.

Who Collects City Property Taxes in Ascension Parish?

Gonzales City property taxes are collected through the Ascension Parish Sheriff’s Office.
Donaldsonville City taxes are collected by the City of Donaldsonville rather than the Sheriff’s parish-tax system.
Sorrento City taxes are collected by the Town of Sorrento rather than by the parish Sheriff.
Buyer tip: if a property is inside municipal limits, check whether the city has a separate tax bill in addition to parish-level taxes.
2026 tax sale has already occurred

Ascension Parish Delinquent Property Tax Sale

Registration The Sheriff’s 2026 online tax-sale registration ran May 28 through June 16.
Tax Sale The 2026 Ascension Parish tax sale was scheduled for June 24 from 10:00 a.m. to 3:00 p.m.
Outstanding Balances Property with unpaid base tax, interest, penalties or collection costs can become subject to the annual tax-sale process.
Use taxable assessed value + actual millage

Ascension Parish Property Tax Estimate Calculator

Enter the property’s taxable assessed value after applicable exemptions and the combined millage applicable to the parcel. This avoids pretending there is one parishwide tax rate.

Estimated annual property tax
$0

Enter taxable assessed value and the parcel’s actual combined millage.

Formula: Taxable Assessed Value × Millage ÷ 1,000 = estimated ad valorem tax.
Do not use the Assessor’s example 115 mills as a universal rate. The Assessor uses an average rate only to explain the formula. Actual millages vary by school, parish, sheriff, fire, lighting and other districts serving the property.
Two different mapping systems are useful

Ascension Parish Property Maps, Zoning & GIS

Assessor Beacon Map Best for property-search and assessment-oriented parcel mapping. Ascension Parish Government GIS Access public web maps and the parish’s GIS Map Gallery. Parish Parcel Map Additional parish-government parcel and geographic context.
Zoning Parish GIS publishes zoning map resources.
Flood Zones GIS publishes flood-zone maps, but use the parish’s official floodplain process for determinations.
Fire / Lighting District maps can help explain location-dependent millages and services.
School Districts Elementary, middle and high-school district maps are available through parish GIS.
Public GIS is not a survey or official flood determination. Ascension Parish expressly warns that its maps are reference tools and should not be used as legal surveys or for purposes for which the map was not intended.
Clerk records establish recorded land interests

Search Ascension Parish Deeds, Mortgages & Land Records

Conveyances Deeds and other instruments transferring real-property interests.
Mortgages Recorded financing instruments affecting real property.
Liens Recorded claims and lien-related documents.
Official Indexes Released, indexed and verified records available through the Clerk’s online indexing system.
Search the Assessor first. Save owner name, parcel number and available legal-description information.
Open the Clerk’s Online Indexing System. Use Ascension Clerk Online Records.
Accept the Clerk’s disclaimer. The online system contains released records that have been recorded, indexed, verified and made available for public viewing.
Search the relevant conveyance or mortgage index. Match party names and recorded details against the Assessor parcel.
Use official copies when legal reliance matters. The Clerk states the online database itself is not the official public record.
Title/legal warning: the Clerk specifically warns that the online indexing system cannot replace the official public records for legal title, transfer and certain lien proceedings.

Ascension Parish Buyer & Homeowner Verification Table

Situation Check first Then verify
Buying a Prairieville home Beacon value, homestead, parcel and map. Sheriff tax bill, deed, flood/zoning context.
Buying in Gonzales Assessor parcel and taxing districts. Sheriff parish/city tax status and deed.
Buying in Donaldsonville Assessor and Sheriff parish tax. Check separate Donaldsonville municipal tax.
2026 value seems high Comparable sales and property characteristics. Open Book Aug. 17–31; appeal by Sept. 10 if needed.
Homestead missing Assessor exemption status. Submit qualifying homestead application.
Need actual tax due Sheriff tax portal. Do not use assessed value alone.
Need legal owner Assessor ownership inventory. Verify recorded conveyance with Clerk.
Boundary uncertain Beacon/GIS parcel orientation. Deed, plat and licensed survey.

Ascension Parish Assessor Offices

Gonzales Office 815 E. Worthey St.
Gonzales, LA 70737

225-647-8182
Mon–Thu: 7:30 a.m.–5:00 p.m.
Friday: Closed
Donaldsonville Office 300 Houmas St.
Donaldsonville, LA 70346

225-473-9239
Mon–Thu: 7:30 a.m.–5:00 p.m.
Friday: Closed
Prairieville Office 16159 State Bank Dr., Suite A
Prairieville, LA 70769

225-647-8182
Mon–Thu: 7:30 a.m.–5:00 p.m.
Friday: Closed

Tax Collector & Clerk Contacts

Ascension Parish Sheriff’s Office / Tax Collector Sheriff Bobby Webre

Main property-tax office: 225-621-8367
Mail property taxes:
P.O. Box 118
Gonzales, LA 70707
Ascension Parish Clerk of Court Bridget Hanna

607 E. Worthey St., 1st Floor
Gonzales, LA 70737

225-621-8400

Ascension Parish Property Search Problems & Fixes

Problem Best fix Correct route
Owner name gives too many results Add address, parcel or subdivision information. Beacon
Address search fails Try owner, parcel or map search. Beacon
Need exact tax bill Use Sheriff’s tax portal instead of Assessor value. Tax Collector
Taxpayer-name search fails Try only the last name or first business-name word. SNS Tax Portal
Tax address gives no notice Use street number + first street word, or only street name. SNS Tax Portal
2026 value seems wrong Prepare now; Open Book starts Aug. 17. Assessor
Informal review unresolved File Form 3101A correctly by Sept. 10 at 5 p.m. Board of Review
Homestead not shown Apply with signed homestead application. Assessor
Need deed/title information Search Clerk conveyance records. Clerk
Need exact boundary Do not rely on Beacon/GIS alone; use deed/plat and survey. Clerk / Surveyor
Official final-action routes

Ascension Parish Property Search & Tax Action Center

Search Property Owner, address, parcel, subdivision and assessment information. Review / Appeal Value August Open Book, Form 3101A and September appeal deadline. Search / Pay Taxes Notice number, parcel, taxpayer name, tax year and payment. Search Land Records Conveyances, mortgages, liens and other released official-record indexes.
Exactly 10 Ascension Parish answers

Ascension Parish Assessor Property Search & Tax Lookup FAQs

1. Is there an Ascension County Assessor?

No. Louisiana uses parishes instead of counties. The correct office is the Ascension Parish Assessor, which discovers, lists and values taxable property in Ascension Parish.

2. How do I search Ascension Parish property records?

Use the Ascension Parish Assessor’s official Schneider Beacon property search. The system supports searches using address, owner name, parcel number or subdivision and provides property details plus interactive mapping.

3. Who is the Ascension Parish Assessor in 2026?

M.J. “Mert” Smiley, Jr., CLA is the current Ascension Parish Assessor. The Gonzales office is at 815 E. Worthey Street, Gonzales, LA 70737 and the phone number is 225-647-8182.

4. When is the Ascension Parish 2026 Open Book period?

The official 2026 Open Book dates are August 17 through August 31, 2026. During this period property owners can inspect the assessment roll and review their assessed value with the Assessor.

5. What is the Ascension Parish 2026 property assessment appeal deadline?

The 2026 Board of Review appeal deadline is Thursday, September 10, 2026 at 5:00 p.m. The Board of Review hearing is scheduled for September 17, 2026 at 6:00 p.m. at the Ascension Parish Council Chambers in Gonzales.

6. What percentage of market value is a house assessed at in Ascension Parish?

Residential land and residential improvements are assessed at 10% of fair market value. Commercial land is also assessed at 10%, while commercial improvements and commercial personal property are generally assessed at 15%.

7. How much is the Ascension Parish homestead exemption?

The maximum standard homestead exemption corresponds to $75,000 of qualifying property value, or $7,500 of assessed value. It is not automatic; the qualifying homeowner must have a signed application on file with the Assessor.

8. How do I search Ascension Parish property taxes?

Use the Ascension Parish Sheriff’s Office online tax portal. Search options include notice or bill number, parcel number and taxpayer name, and the portal also provides address-search guidance. Confirm the property and tax year before making a payment.

9. When are Ascension Parish property taxes due?

The Assessor states that annual parish property-tax bills are sent during the latter part of the year and are due by December 31. The Ascension Parish Sheriff serves as Ex-Officio Tax Collector.

10. Where can I search Ascension Parish deeds and mortgages?

Use the Ascension Parish Clerk of Court Online Indexing System for released conveyance, mortgage and related records. The Clerk warns that online search results are informational and that the official public records maintained by the Clerk should be used when formal legal reliance is required.

Official Sources & 2026 Verification

Ascension Parish Assessor Assessor Mert Smiley, official property search, map, assessment review and exemption resources. 2026 Assessment Appeals August 17–31 Open Book, September 10 deadline and September 17 Board hearing. Tax Calculation 10% / 15% assessment levels, homestead example and millage formula. Homestead Exemption $75,000 property-value / $7,500 assessed-value maximum and application requirement. Special Assessment Freeze Age, disability, veteran and income qualification guidance. Veteran Exemption 50%–69%, 70%–99% and 100% disabled-veteran exemption categories. Ascension Sheriff / Tax Collector Property tax payment, tax-sale information, office locations and 3.45% online card fee. Online Tax Inquiry Notice/bill, parcel, taxpayer-name and tax-year search with online payment. Ascension Parish GIS Map Gallery, zoning, flood, fire, school and other public geographic resources. Clerk Online Indexing Released conveyance, mortgage and other indexed public records.
Verified August 12, 2026: Assessor M.J. “Mert” Smiley Jr., Sheriff Bobby Webre, Clerk Bridget Hanna, Beacon property-search capabilities, August 17–31 Open Book dates, September 10 appeal deadline, September 17 Board hearing, assessor office locations/hours, assessment percentages, homestead exemption, tax-payment system, December 31 annual due date and GIS/Clerk record routes were reviewed against current Ascension Parish official sources.

CountyPropertyAppraiser.org is an independent informational website. It is not affiliated with the Ascension Parish Assessor, Ascension Parish Sheriff’s Office, Ascension Parish Clerk of Court, Ascension Parish Government, Louisiana Tax Commission, Schneider Beacon or the SNS/I3 Verticals tax-payment system.

Ownership, values, exemptions, special-assessment income thresholds, millages, tax balances, appeal rights, map layers and public-record systems can change. Confirm time-sensitive information with the responsible government office before paying taxes, filing an appeal, claiming an exemption, buying property or relying on a land record.

Article slug: ascension-parish-assessor-property-search

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Value term Simple meaning
Market value The appraiser’s estimate of the property’s value as of the assessment date.
Assessed value The value after limits or caps may be applied.
Exemptions Approved reductions such as homestead or other exemptions.
Taxable value The value used by taxing authorities after exemptions.

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