How much does home renovation cost in St. Louis, MO?

On our estimate adjusted for local wages, typical all-in figures are roof replacement about $10,424, HVAC replacement about $7,850, deck about $15,467, and kitchen remodel about $31,420. Those figures include the official local permit fee when we have extracted it from the local schedule.

What home projects do you cover in St. Louis, MO?

We publish typical costs for roof replacement, HVAC replacement, deck, and kitchen remodel in St. Louis, MO, each with citations and the official permit line when known.

What permit fees apply for home projects in St. Louis, MO?

Listed typical permit fees from local are roof replacement $145, HVAC replacement $65, deck $145, kitchen remodel $460. Fee schedule year 2026. Confirm the live line before you pull a permit.

Cities

Home renovation cost in St. Louis, MO

City of St. Louis Building Division · fee schedule 2026

Permit portal · Fee schedule

City of St. Louis (independent city), not St. Louis County. Building permit $25 application + $10 per $1,000 over $3,000. Mechanical residential: application $25 plus furnace/condensing/combination $40 each (Ordinance 70800).

Projects in St. Louis, MO

All-in at the typical job size, adjusted for local wages. The permit is the city fee when the schedule lists one.
Job	All-in typical	Permit	Open
Roof replacement	$10,424	$145	Open
HVAC replacement	$7,850	$65	Open
Deck	$15,467	$145	Open
Kitchen remodel	$31,420	$460	Open

Local context

City facts

County: St. Louis city
Population: 278,144
Estimate year: 2025
Source: U.S. Census Bureau Vintage 2025 city estimates (July 1, 2025)

Census and county figures. These are estimates, not a permit requirement.

Metro wage index

Metro: St. Louis, MO-IL
Metro construction mean hourly: $35.43/hr
Metro OEWS vintage: May 2025
National construction mean hourly: $31.42/hr
National OEWS vintage: May 2025
Labor wage multiplier: 1.128× labor
Method: BLS OEWS construction-and-extraction mean hourly wage / national same vintage, applied to the labor share only. Not a city-specific bid survey.
Metro source: BLS OEWS metro release
National source: BLS OEWS national release

For this metro the whole job is 1.07 times the national typical, because only the labor portion is adjusted for local wages.

Labor vs materials

Our labor and materials split for this estimate. It is for the local wage adjustment, not a surveyed contractor split.
Job	Labor share	Materials share	Open
Roof replacement	55%	45%	Open
HVAC replacement	30%	70%	Open
Deck	50%	50%	Open
Kitchen remodel	25%	75%	Open

Typical jobs

Typical job sizes and assumed values from our published sources. Assumed values feed the permit formula. They are not the city's assessed value.
Job	Typical scope	Assumed valuation	Open
Roof replacement	16 squares (1,600 sq ft of roof surface, not floor area)	$12,000	Open
HVAC replacement	3-ton (36,000 BTU) like-for-like split system	$7,500	Open
Deck	16×20 = 320 sf	$12,000	Open
Kitchen remodel	200 sf affected area	$35,000	Open

A typical roof replacement in St. Louis, MO runs about $10,424 all-in on our estimate adjusted for local wages, including the official City of St. Louis Building Division permit fee of $145 ($25 application plus $120 building permit).

A typical kitchen remodel in St. Louis, MO runs about $31,420 all-in on our estimate adjusted for local wages, including the official local permit fee of $460 ($375 building + $85).

Compare costs in other metros

Roofs

Kitchens

HVAC

Decks

Questions about home renovation costs

How much does home renovation cost in St. Louis, MO?: On our estimate adjusted for local wages, typical all-in figures are roof replacement about $10,424, HVAC replacement about $7,850, deck about $15,467, and kitchen remodel about $31,420. Those figures include the official local permit fee when we have extracted it from the local schedule.
What home projects do you cover in St. Louis, MO?: We publish typical costs for roof replacement, HVAC replacement, deck, and kitchen remodel in St. Louis, MO, each with citations and the official permit line when known.
What permit fees apply for home projects in St. Louis, MO?: Listed typical permit fees from local are roof replacement $145, HVAC replacement $65, deck $145, kitchen remodel $460. Fee schedule year 2026. Confirm the live line before you pull a permit.