Pay, Search or Fix a Galveston County Tax Bill
Use this guide for Galveston County Tax Collector searches, property tax payments, tax records, official branch locations, League City office details, CAD routing, refunds and motor vehicle services.
The official office name is Galveston County Tax Assessor-Collector / Galveston County Tax Office. The Tax Office collects bills, while the appraisal district handles value, ownership, exemption and mailing-address records.
Tax Assessor-Collector.
When Is Your
Next Tax Deadline?
Select your state — see your exact deadline, live countdown, and whether you’re on time or already accruing penalties.
Property Tax Penalty & Interest Calculator
State-specific penalty rates • Interest accrual • Tax lien deadline • Cost-of-waiting breakdown
| Original Tax Amount | $0.00 |
| Initial Penalty— | $0.00 |
| Monthly Interest— | $0.00 |
| Fixed Fees— | $0.00 |
| Total Due | $0.00 |
Daily Accrual Rate
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Tax Lien Warning
| If You Pay On | Days Late | Penalty | Interest | Total Owed | Extra Cost |
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GCTO, 722 21st St, Galveston.
174 Calder Drive.
Official sources checked before this guide was rebuilt
Publish-ready as of August 27, 2026. Official sources checked include Galveston County Tax Office property tax pages, ACT lookup/payment portal, office locations and hours, tax events and deadlines, Tax Office homepage, motor vehicle page, unclaimed refund page, sheriff sale information, Galveston CAD and Harris CAD.
What do you need from the Galveston County Tax Office?
Use the ACT Galveston County Tax Office portal. Confirm owner, address, account, tax year and balance before submitting a payment.
Use the official office-location page for Galveston, League City, Texas City, Santa Fe, Friendswood and Crystal Beach service details.
Use Galveston CAD or Harris CAD for appraised value, exemptions, ownership, mailing address, protest and property-record corrections.
Make sure your bill is actually a Galveston County Tax Office account
Galveston County says the Tax Office assesses, collects and disburses taxes for nearly half of governments in the county. That means some taxpayers may receive multiple statements from different collectors.
Your bill is collected by Galveston County Tax Office or appears in the ACT Galveston portal.
The issue is appraised value, exemption, protest, ownership, mailing address or taxing-unit record data.
Compare with the Travis County Tax Collector guide, Johnson County Tax Collector guide or Comal Tax Assessor-Collector guide.
How to pay Galveston County property taxes online
Galveston County tax records: owner, address, account and fiduciary search
| Search route | Best when | Micro tip | Common mistake |
|---|---|---|---|
| Owner name | You know the taxpayer or business name. | Use last name first. The ACT portal example uses “smith mary.” | Searching by nickname, punctuation or trust abbreviation only. |
| Property address | You know the physical property location. | Try street number and street name only, such as “8907 park.” | Adding suffixes or unit details stored differently. |
| Account number | You have a tax statement or receipt. | Enter exactly as printed, such as R212884. | Using a CAD parcel number in the wrong field. |
| Long account number | The normal account search does not match. | Copy the full long-format number. | Dropping digits or separators. |
| Fiduciary number | A mortgage, escrow or statement-request number applies. | Allow extra time. The portal warns fiduciary search may take several minutes. | Refreshing repeatedly before the search completes. |
Galveston County online payment fees and bank bill-pay cautions
The ACT portal lists a 2.2% convenience fee. This can be expensive on a large tax bill.
The ACT portal also lists 2.2% for debit card payments. Confirm the final checkout screen before submitting.
The ACT portal lists a $0.50 electronic check fee. Enter routing and account details carefully near deadlines.
Galveston County Tax Office hours, branches and drop-box guidance
Galveston County lists all offices as reachable through 877-766-2284. Full-time offices in Galveston, Santa Fe and Texas City are listed Monday-Thursday 7:30 am-5:30 pm and Friday 8:00 am-noon. League City is listed Monday-Friday 8:00 am-5:00 pm.
| Office | Address | Practical note |
|---|---|---|
| Galveston Office | 722 Moody Avenue / 21st Street, Galveston | Property Tax: 409-766-2481. Free parking is available behind the courthouse on 20th Street. |
| North County Annex | 174 Calder Drive, League City | 409-766-2284. Monday-Friday 8:00 am-5:00 pm. |
| Texas City Annex | 2516 Texas Avenue, Texas City | Full-time office. Use official hours before visiting near a holiday. |
| West County Annex | 11730 State Highway 6, Santa Fe | Full-time office. Yellow drop box available. |
| Friendswood Satellite | Friendswood City Hall, 910 S. Friendswood Drive | Thursday-Friday 8:00 am-5:00 pm, closed noon-1:00 pm. |
| Crystal Beach Satellite | 946 Noble Carl Road, Crystal Beach | Third Tuesday monthly, 7:30 am-4:30 pm, closed noon-1:00 pm. |
Galveston County Tax Office League City: what to know before visiting
League City, TX 77573
Phone: 409-766-2284
Hours: Monday-Friday, 8:00 am-5:00 pm.
- Bring tax statement or account number.
- Bring payment method and ID when needed.
- For vehicle work, check title/registration documents before arriving.
- For property record changes, bring CAD documentation.
Galveston County property tax deadlines, split pay and installments
Property taxes become delinquent February 1 unless January 31 falls on a weekend or holiday. Always check the county events page for the current year.
The county events page lists February 1, 2027 as the last day to timely pay 2026 taxes or first quarter installment.
The events page lists June 30, 2026 as the last day to pay the second half-pay installment and obtain a 2025 payment agreement to avoid attorney fees.
| Option | Official meaning | User action |
|---|---|---|
| Split / half pay | First half is due by November 30; second half is due by June 30 if the first half was timely. | Pay the first half on time and save the reminder for the second half. |
| Quarter installments | Available to qualifying groups such as seniors, disabled persons, disabled veterans, certain surviving spouses and eligible disaster victims. | Verify eligibility and current dates before relying on this route. |
| Payment agreement | The Tax Office advises taxpayers who cannot pay to call about payment agreement options. | Call the Property Tax Department before collection costs grow. |
| Advance escrow | Galveston County allows advance payments but says to note ESCROW with the account number. | Mark the payment clearly so it posts to the correct account. |
Mail, postmark and drop-box rules for Galveston County tax payments
GCTO
722 21st Street
Galveston, TX 77550
The county warns that postmarks are important. Drop mail before the last pickup or mail several days early near a deadline.
Yellow drop boxes are at full-time offices. Payments are collected each morning after 8:30 am and processed as of the previous business day within three days.
Galveston County e-statements: useful after refinancing or mortgage payoff
Galveston County encourages property owners to register for electronic tax statements through the ACT account page. The county says to sign up no later than September 15 to receive the annual October statement by email.
Galveston County Tax Assessor vs Galveston CAD: who fixes what?
The Tax Office collects and disburses taxes. The county appraisal district determines market value, exemptions, ownership and property record information.
- tax bill lookup and payment;
- payment posting and receipts;
- split pay, half pay and quarter installments;
- penalty, interest and payment agreements;
- unclaimed tax refunds;
- sheriff sale and collection links.
- appraised value;
- ownership records;
- mailing address changes;
- homestead and other exemptions;
- protest questions;
- taxing-unit and collector listing.
Vehicle registration and title services at Galveston County Tax Office
Texas county tax assessor-collector offices handle many motor vehicle title and registration services, but vehicle registration and property tax payment are different workflows.
The county lists online renewal, mail/drop-box renewal, in-person renewal and grocery-store partner renewal options.
The motor-vehicle page lists proof of insurance, proof of ownership, inspection/VIR, ID and Form 130-U as key steps.
The county notes that a signed title and Form 130-U are needed, and late fees apply if transfer occurs after 30 days from the sale date.
Galveston County unclaimed tax refunds and duplicate payment help
Overpayments can happen when a taxpayer and mortgage company both pay, ownership changes, an account is corrected, or a payment posts twice.
Delinquent Galveston County property tax caution
Penalty, interest and collection costs can change. Search the current account before mailing or calling.
Galveston County says taxpayers who cannot pay should call the Property Tax Department about payment agreement options.
Sheriff sale research is not the same as paying a normal bill. Use official county pages and understand legal risk.
Forms and PDF routes users often miss
Galveston County’s property tax page links several official forms. Use the right office: Tax Office for collection/payment matters, CAD for appraisal/exemption records, and Texas DMV/TxDMV forms for vehicle work.
The property tax page lists PT 30 Penalty and Interest Packet. Use it only when you are requesting a formal waiver review.
Homestead, heirship and deferral forms relate to appraisal/exemption rules. Check CAD handling before sending documents to the wrong office.
BPP rendition and business-closure affidavit forms are listed on the county page. Business owners should verify the current filing deadline and appraisal-district requirements.
The county lists a temporary exemption form for disaster-related property damage. Availability depends on appraisal-district approval and current disaster rules.
The motor-vehicle page links Form 130-U, VTR-346, disabled placard forms and other vehicle forms. Use the vehicle page, not the property-tax portal.
The Truth in Taxation pages publish five-year tax rate history and entity-rate documents for taxpayers who want rate context.
Galveston County Tax Collector photos and reviews: how to use them safely
People search for Galveston County Tax Collector photos and reviews when they want parking, building or crowd-level clues. That is useful, but map listings are not the authority for taxes.
Building recognition, parking clues, entrance location and nearby streets.
Official hours, accepted payment methods, mailing address, department availability or deadlines.
Visitor expectations only. Reviews do not change tax deadlines, fees, penalties or CAD responsibilities.
Official Galveston County tax links used for this guide
Official property tax page, payment methods, CAD routing and forms
Galveston, League City, Texas City, Santa Fe, Friendswood and Crystal Beach offices
Use for Harris County tax accounts, not Galveston County ACT accounts
Galveston County Tax Collector FAQs
What is the official Galveston County Tax Collector office called?
The official office is the Galveston County Tax Assessor-Collector / Galveston County Tax Office. Many users search for Galveston County Tax Collector, Galveston County Tax Office, Galveston County Tax Assessor or Galveston County Tax Records, but the county office uses the Tax Assessor-Collector title.
How do I pay Galveston County property taxes online?
Use the official ACT Galveston County Tax Office portal. Search by account number, long account number, owner name, property address or fiduciary number, then verify the property, owner, tax year and amount before paying.
Where is the Galveston County Tax Office in League City?
The League City branch is the North County Annex at 174 Calder Drive, League City, TX 77573. The official office-location page lists 409-766-2284 as the telephone number and League City hours as Monday-Friday, 8:00 am-5:00 pm.
Can I mail a property tax payment to the League City or Texas City branch?
No. Galveston County says not to mail payments directly to branch offices because there is no mail delivery to branch locations. Mail property tax payments to GCTO, 722 21st Street, Galveston, TX 77550.
Should I call the Tax Office or Galveston CAD?
Call the Tax Office for payments, receipts, deadlines, fees, refunds, payment agreements, split pay and collection issues. Contact Galveston CAD or Harris CAD for appraised value, ownership, exemption, protest or mailing-address record issues.
What are Galveston County online tax payment fees?
The ACT portal lists 2.2% for credit/debit card payments and $0.50 for electronic check payments. Always review the checkout screen before submitting because payment processors can update terms.
What if my bank sends a bill-pay check?
The ACT portal warns that online bill payments from your financial institution generate a paper check, not an electronic payment to Galveston County Tax Office. Some banks may take 3-5 days to process check payments, so schedule in advance of the due date.
Are Galveston County Tax Collector reviews reliable for hours and payments?
Reviews and photos are useful for visitor expectations only. They are not official sources for tax deadlines, office hours, accepted payments, mailing rules or department availability. Use the official Galveston County page or call the Tax Office.
What if my property tax account is not found?
Search with one field at a time, try owner last name first, shorten the property address, check the account number format and review the Galveston CAD or Harris CAD record. If the Tax Office collects the account but it still does not appear, call the Property Tax Department.
Is TaxCollectors.org the official Galveston County Tax Office website?
No. TaxCollectors.org is an independent guide. Always verify payment links, tax balances, deadlines, office hours, fees, CAD routing and vehicle-service requirements through Galveston County’s official website or the official ACT portal.