San Tan Valley, AZ Property Tax Rates

Compare property tax rates across 2 ZIP codes in San Tan Valley, Arizona.

ACS 2019-2023 · Updated Dec 2024

Avg Tax Rate

0.44%

Avg Annual Tax

$1,681

Avg Home Value

$381,300

ZIP Codes

2

Property Tax Overview: San Tan Valley, AZ

San Tan Valley has 2 ZIP codes with property tax data. The average effective tax rate across these ZIPs is 0.44%, which is 19% below the Arizona average of 0.54%. Annual property taxes range from $1,466 (ZIP 85143) to $1,896 (ZIP 85140).

For a home at San Tan Valley's median value of $381,300, property taxes add approximately $140/month to housing costs. San Tan Valley home values are above the Arizona median of $338,001, meaning the monthly tax impact is correspondingly higher.

Property tax rates within San Tan Valley vary by 0.04 percentage points across its ZIP codes. This variation typically reflects different school district boundaries, special assessment zones, and municipal service areas within the city.

ZIP Codes in San Tan Valley, AZ

ZIP CodeEffective RateMedian TaxMedian Home Value
851430.42%$1,466$350,800
851400.46%$1,896$411,800

San Tan Valley vs Arizona Average

Effective Tax Rate

San Tan Valley0.44%
Arizona Avg0.54%

19% below state average

Annual Property Tax

San Tan Valley$1,681
Arizona Avg$1,711

Median Home Value

San Tan Valley$381,300
Arizona Avg$338,001

Frequently Asked Questions

What is the average property tax rate in San Tan Valley, AZ?

The average effective property tax rate in San Tan Valley, Arizona is 0.44%, based on 2 ZIP codes.

How much is property tax in San Tan Valley, AZ?

The average median annual property tax in San Tan Valley is $1,681 per year, with a median home value of $381,300.

Which ZIP code in San Tan Valley has the lowest property tax rate?

ZIP code 85143 has the lowest effective tax rate in San Tan Valley at 0.42%, with a median annual tax of $1,466.

How many ZIP codes are in San Tan Valley, AZ?

San Tan Valley, Arizona has 2 ZIP codes with property tax data available.

Which ZIP code in San Tan Valley has the highest property tax rate?

ZIP code 85140 has the highest effective tax rate in San Tan Valley at 0.46%, with a median annual tax of $1,896.

How do San Tan Valley property taxes compare to the Arizona average?

San Tan Valley's average effective rate of 0.44% is 19% below the Arizona state average of 0.54%.

What factors affect property tax rates between ZIP codes in San Tan Valley?

Property tax rate differences within San Tan Valley are typically driven by school district boundaries (which can account for 40–60% of a tax bill), special assessment zones for fire, water, or transit services, and whether a ZIP falls within city limits or an unincorporated area. Each taxing jurisdiction sets its own rate, which is why adjacent ZIP codes can have noticeably different effective rates.

Tips for San Tan Valley Homeowners

  • Appeal your assessment: If your home is assessed higher than its market value, you can file a property tax appeal. Studies suggest 30–60% of properties are over-assessed. Most counties offer a free informal review process.
  • Check your exemptions: Homestead exemptions can reduce your taxable value and are available to primary residents in most states. Senior, veteran, and disability exemptions may also apply. Exemptions must typically be applied for — they are not automatic.
  • Know your assessment cycle: Arizona reassesses properties periodically. After buying a home, your next tax bill may reflect a new assessment based on your purchase price. Budget accordingly, especially if you bought above prior assessed values.
  • Compare ZIP codes before buying: Even within San Tan Valley, effective tax rates can vary significantly across ZIP codes due to different school district overlays. Use PropertyTaxByZip to compare specific ZIPs before choosing a neighborhood.

Looking for county-level property tax data? View Pinal County on TaxByCounty.com

Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates (ZCTA level). ZIP Code Tabulation Areas (ZCTAs) are Census approximations of USPS ZIP codes.

Estimates are informational only and should not be used as financial or legal advice.

Learn about our data sources and methodology →