HomeCostGuide

Home Improvement Costs in Montana

Labor and material costs in Montana run 5% below the national average, based on our regional cost index.

Updated August 2026

Figures below apply our Montana 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.

Montana-adjusted cost ranges

ProjectNational rangeMT estimate
Bathroom Remodel$6,500–$25,000$6,150–$23,650
Kitchen Remodel$14,000–$48,000$13,250–$45,400
Roof Replacement$9,200–$18,500$8,700–$17,500
AC Replacement$4,800–$12,500$4,550–$11,850
Water Heater Replacement$1,300–$4,200$1,250–$3,950
Flooring Installation$2,800–$11,000$2,650–$10,400

Labor market

Below the national average, though a limited contractor pool in rural areas can offset the lower baseline cost.

Climate considerations

Long, cold winters and heavy mountain snow loads make roof condition and heating system reliability especially important.

Permitting

Permitting is handled at the city or county level; many rural counties have limited or no local building code.

Common projects in Montana