Mo. Rev. Stat. § 137.115

Missouri Real Estate Calculators

Missouri's four-class assessment ratios (residential 19%, agricultural 12%, commercial 32%, personal 33⅓%), the Hancock Amendment rollback under § 137.073, and the § 135.010 Senior Property Tax Credit (Circuit Breaker).

Anchored to: Mo. Rev. Stat. §§ 137.115, 137.073, 135.010; Mo. Const. Art. X § 22

1 calculator live. Reviewed against current statute and regulation. Last updated 2026-05-16.

Most-used calculators

Mo. Rev. Stat. § 137.115 (class assessment ratios — residential 19%

Missouri Property Tax Assessment Calculator

Compute a Missouri property's annual tax under Mo. Rev. Stat. § 137.115's class-based assessment ratios (residential 19%, agricultural 12%, commercial 32%, personal 33⅓%), § 137.073's Hancock-rollback mechanics, and the § 135.010 Senior Property Tax Credit (Circuit Breaker — up to $1,100 owner / $750 renter). Surfaces gross tax, the Circuit Breaker credit, net tax, and effective rate on market value across St. Louis, Jackson (Kansas City), St. Charles, and Greene counties.

Find your calculator

Grouped by who tends to use each tool. Many calculators serve more than one audience.

For unit owners

Verify a notice, check a fine, or understand the lien exposure on a delinquent account before acting.

Missouri Property Tax Assessment Calculator
Compute a Missouri property's annual tax under Mo. Rev. Stat. § 137.115's class-based assessment ratios (residential 19%, agricultural 12%, commercial 32%, personal 33⅓%), § 137.073's Hancock-rollback mechanics, and the § 135.010 Senior Property Tax Credit (Circuit Breaker — up to $1,100 owner / $750 renter). Surfaces gross tax, the Circuit Breaker credit, net tax, and effective rate on market value across St. Louis, Jackson (Kansas City), St. Charles, and Greene counties.

100+

Calculators live

Across statute, regulation, and policy

100%

Statute-cited

Every formula links its source

4,000+

Unit tests

Every formula has a regression suite

Open

Formula transparency

Deterministic math, no hidden weights

Free

Ad-supported

No paid tier, no paywall

How these calculators are maintained

Every YMYL calculator is reviewed quarterly and after every legislative session in the jurisdiction it covers. Citations are link-validated monthly against the relevant statute and regulation websites. The methodology page documents the discipline.

Read the editorial methodology →