How to pay Montgomery County, TX property tax

✓ Verified — Last verified October 24, 2026

Payment details from the official sources for Montgomery County. Check the tax year and parcel on your bill before submitting a payment.

Pay on the official site

Not tax or legal advice; confirm with your county.

Payment methods and fees

Official payment portal

Official payment portal

Official source. Verified .

Accepted methods

Cash, Check, Money order, Debit/credit card

Official source. Verified .

Published fees

Debit/credit card payments incur a fee; amount not stated on the FAQ.

Official source. Verified .

Published installment dates

Tax year 2026. Dates retain the year published by the source.

Annual payment deadline (ordinary bills)

February 1, 2027

Official source. Statutory. Verified .

Delinquent after

February 1, 2027

Official source. Statutory. Verified .

Published late-payment rule

When delinquent: 6% initial penalty plus 1% interest. Penalty increases 1% monthly, reaching 12% in July; interest accrues 1% monthly without a maximum. Collection attorney penalty can be up to 20%. Postponed delinquency dates postpone accrual.

Official source. Verified .

Official offices

Montgomery County Tax Office

Office website

Office website

Official source. Verified .

Phone

(936) 539-7897

Official source. Verified .

All Montgomery County dates, offices and sources

Sources for these instructions

https://www.mctx.org/departments/departments_q_-_z/tax_office/property_tax.php
Tax Statement and Online Payment

Verified October 24, 2026

https://www.mctx.org/departments/departments_q_-_z/tax_office/property_tax_faq.php
Payments of property taxes in any of our offices can be made in the form of cash, checks, money orders, and debit/credit cards.

Verified October 24, 2026

https://www.mctx.org/departments/departments_q_-_z/tax_office/property_tax_faq.php
There is a nominal fee for using the debit/credit card service.

Verified October 24, 2026

Continue with your property

Common questions

Where can I pay Montgomery County property tax?

Official payment portal: https://actweb.acttax.com/act_webdev/montgomery/index.jsp. Cash, Check, Money order, Debit/credit card