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Unincorporated community · St. Louis County, Missouri

Home Improvement Contractors in Lemay, MO

Lemay is an unincorporated community in St. Louis County; building permits are issued by the county. Every trade we cover, for homes in Lemay. Tell us the project once and we connect you with licensed, insured contractors for it through one national line - and you compare written scopes. The median Lemay home dates from 1955, so most jobs start with what is already there.

  • No obligation on quotes
  • Local permit knowledge
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  • Licensed and insured contractors only
Sourced local data

About homes in Lemay

Census and NOAA figures for the community of Lemay in St. Louis County, not the metro, with a source for each.

1955Median year built1U.S. 1980
93%Built before 198011% built since 2010
1954Owner-occupied median year built1rentals 1962
78%Detached single-family19% in 5+ unit buildings
77%Owner-occupied168% statewide
$152kMedian home value1Missouri median $230k

The median home in the community of Lemay was built in 1955, older than the U.S. median of 1980 and older than the Missouri median of 1978. That is older than the St. Louis County median of 1969.1 Older housing stock means a contractor's first job is finding what is behind the finish - wiring, plumbing and roof decking - before a price is final. The stock is old by national standards: 93% of Lemay's housing units were built before 1980 (U.S. 50%), and only 1% since 2010. The largest single share, 39%, dates from 1940-1959. That makes it a newer stock than St. Louis County as a whole (69% built before 1980).1 On houses from the 1940s and 1950s, contractors routinely check for original cast-iron drains, two-wire electrical and undersized panels before pricing a remodel.

Owner-occupied homes in Lemay are older than rentals: a median build year of 1954 against 1962.1 Where owner-occupied homes skew older, a repair-versus-replace conversation is the usual starting point rather than a like-for-like swap. Housing in Lemay is mostly detached single-family: 78% of units, with 9% in buildings of five or more units.1 A mostly detached stock means the full range of exterior work applies: roofs, garage doors, chimneys and backyard units.

Home ownership is the norm in Lemay: 77% of occupied homes are owner-occupied, above the Missouri share of 68%.1 The median owner-occupied home in Lemay is valued at $152,200 (ACS), below the Missouri median of $230,300. Within St. Louis County the median is $276,800, so Lemay sits below it.1 With values below the state median, phased scopes - the essential work first - are a common way to keep a project sensible. The Cahokia St Louis Ap station averages 98 nights a year at or below 32°F and 29 at or below 20°F.2,3 A real freeze season means masonry, roofing and exterior sealing are specified for freeze-thaw cycles.

Summers bring about 46 days a year at or above 90°F.2,3 Rainfall is substantial: about 41 inches a year, 10 days of it an inch or more.2,3 Heavy rainfall makes flashing, drainage and ventilation details the difference between a sound assembly and a wet one. Heating dominates the year: about 4,547 heating degree days against 1,476 cooling degree days (base 65°F).2,3 In a heating-led climate, insulation and air sealing carry most of the energy-code weight for any work that opens the envelope.

Lemay sits in IECC climate zone 4A (Mixed-Humid).4 Building permits in Lemay are normally issued by the county, as this is an unincorporated community.5,6 As an unincorporated community, permits and inspections run through the county.

Share of Lemay housing units by year built
Before 194024.5%
1940-195938.8%
1960-197929.9%
1980-19995.5%
2000-20090.7%
2010 or later0.6%
Sources and notes (6)
  1. U.S. Census Bureau, American Community Survey 5-year estimates (ACS 2020-2024 5-year (released 2026-01))
  2. NOAA NCEI U.S. Climate Normals, nearest station (1991-2020 normals (published 2021))
  3. NOAA NCEI normals station inventory (1991-2020)
  4. Guide to Determining Climate Zones by County: Building America and IECC 2021 Updates (PNNL-33270) (September 2022 (IECC 2021 county map))
  5. U.S. Census Bureau population estimates (Vintage 2024)
  6. U.S. Census Bureau geographic code files (2020)
  7. Climate figures are for NOAA station Cahokia St Louis Ap, 7.4 miles from the place center; housing figures are ACS ACS 2020-2024 5-year with 90% margins of error in the source tables.

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Written scope, no obligation. Call now or email and we will get back to you.

Service area

Lemay and nearby

Requests for Lemay and the surrounding Missouri area go through our national line. Call (844) 624-3161 with the address and the project and we confirm whether we have a contractor who can take it on.

Nearest places with a page

Straight-line distances between place centers, not drive times.

Two-story white colonial house with black shutters and a central portico beneath mature bare trees.

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Questions

Lemay questions

How much does home remodeling cost in Lemay, MO?

Most home remodeling projects in Lemay, MO land between $14,750 and $77,900, depending on scope, access and material grade. That is an estimated range for planning, not a quote - call (844) 624-3161 and we will scope your job properly.

Do I need drawings before calling?

No. If you have them, good - if not, we start from what you want to change and work back to what the house allows.

How old are the homes in Lemay?

The median home in the community of Lemay was built in 1955, older than the U.S. median of 1980 and older than the Missouri median of 1978. That is older than the St. Louis County median of 1969. The stock is old by national standards: 93% of Lemay's housing units were built before 1980 (U.S. 50%), and only 1% since 2010. The largest single share, 39%, dates from 1940-1959. That makes it a newer stock than St. Louis County as a whole (69% built before 1980). Those are Census figures for the whole housing stock, including apartments, not a statement about any one house.

Who issues building permits in Lemay?

Building permits in Lemay are normally issued by the county, as this is an unincorporated community. Whether a specific job needs one is decided by that office; the contractor confirms it before work starts.

Get a free Lemay quote

Written scope, no obligation. Call now or email and we will get back to you.