Verified 2026 City Guide

Mariana Property Tax

Access 2026 property tax rates, payment portals, and assessment tools for Mariana. Taxes are administered by Humacao Municipio.

Local Rate

N/A

County Avg

0.68%

State Avg

0.00%

City vs. County Jurisdiction

While you live in Mariana, property taxes are officially administered by Humacao Municipio. The county handles your assessment, billing, appeals, and exemptions.

Mariana Tax Calculator

$

Est. Annual Bill

Rate: % (Humacao Municipio)

How Property Taxes Work in Mariana

Property taxes for Mariana residents are calculated on the ad valorem principle — your bill is proportional to the fair market value determined by the Humacao Municipio Appraisal District.

Assessment Role

The county assessor determines the value of all real estate in Mariana every tax year.

Collection Role

Taxes are collected by the county tax office and distributed to city, school, and special-district funds.

Mariana Tax Components

Your annual bill is a combined total of levies from multiple local government entities:

County General Fund Variable Levy
City of Mariana Variable Levy
Local Independent School District (ISD) Variable Levy
Emergency Services District Variable Levy

Lowering Your Mariana Property Tax Bill

Claim Exemptions

Most homeowners qualify for a Homestead Exemption that significantly reduces the taxable value of your primary residence. Seniors and veterans may qualify for additional relief.

Protest Your Value

If the county assessment exceeds fair market value you can file an appeal with the Appraisal Review Board (ARB). Over 50% of appeals result in a reduction.

2026 Important Deadlines

Assessment Notices

April – May

Protest Deadline

May 15th*

Payment Due

January 31st

*Protest deadlines are generally May 15th or 30 days after your notice was mailed, whichever is later.

Mariana Property Tax FAQs

For 2026, property tax rates in Mariana vary by parcel. Refer to the Humacao Municipio average rate of 0.68447837150127% as a baseline estimate.

Residents of Mariana pay property taxes to the Humacao Municipio Tax Assessor — not a city office. Use the county's official payment portal.

Yes. File a Notice of Protest with the Humacao Municipio Appraisal District within 30 days of receiving your valuation notice. See the county appeal guide for step-by-step instructions.

Humacao Municipio Official

Property tax for Mariana is handled at the county level.

💡 Tax Tip

Check for Homestead or Senior exemptions on the Humacao Municipio portal. These can reduce your taxable value by $25,000–$100,000+.