Home Improvement Costs in Missouri

Labor and material costs in Missouri run 9% below the national average, based on our regional cost index.

Updated August 2026

Figures below apply our Missouri regional index to each guide’s national range. The index comes from the U.S. Bureau of Economic Analysis’s Regional Price Parities by State — a real, sourced government figure, not a guess — though it measures overall regional price levels rather than construction costs specifically. See our methodology for how it’s used and its limitations.

Missouri-adjusted cost ranges

ProjectNational rangeMO estimate
Bathroom Remodel$6,500–$25,000$5,900–$22,700
Kitchen Remodel$14,000–$48,000$12,700–$43,600
Roof Replacement$9,200–$18,500$8,350–$16,800
AC Replacement$4,800–$12,500$4,350–$11,350
Water Heater Replacement$1,300–$4,200$1,200–$3,800
Flooring Installation$2,800–$11,000$2,550–$10,000

Labor market

Below the national average, with the St. Louis and Kansas City metros running somewhat higher than the rest of the state.

Climate considerations

Severe weather exposure, including tornadoes and hail, makes roofing material choice and condition a common statewide concern.

Permitting

Permitting is handled at the city or county level with no statewide residential code mandate outside incorporated areas.

Common projects in Missouri