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Cost to Build a Garage in St. Louis, MO: what the permits say

How much does it cost to build a garage in St. Louis? The usual garage & carport job filed with St. Louis is $13,000, from 340 priced permits (October 2023 through September 2026); the middle half of firms file between $12,900 and $35,000. A filed value is what the contractor wrote on the permit, not a quote or the final bill.

$13,000usual filed value
$12,900–$35,000middle half of firms' usual jobs
340priced permits (96% of 355)
149firms on file
335days, permit issue to final
Sep 2026records through

How much does it cost to build a garage in St. Louis?

The usual garage & carport job filed with St. Louis is $13,000, from 340 priced permits, October 2023 through September 2026. The middle half of firms usually file between $12,900 and $35,000. Half of jobs were filed for less, half for more. A filed value is what the contractor wrote on the permit, not a quote or the final bill. A garage & carport permit here usually takes 335 days from issue to final inspection. How long permits take →

What the spread looks like

Approximately, from each firm's own spread: every firm's range of filed values, weighted by its 340 priced permits across 139 firms, pooled into one. Half of St. Louis garage & carport permits were filed between $12,900 and $37,000.

PercentileFiled valueReads as
10th$9,4001 in 10 permits filed below
25th$12,9001 in 4 filed below
50th$13,000the middle permit
75th$37,0001 in 4 filed above
90th$71,2001 in 10 filed above

By home value

Firms split into thirds by the usual value of the homes they work on, with each third's usual filed value weighted by permits. Home values: City of St. Louis assessor values.

Firms working onUsual home valueUsual filed valueFirmsPermits
Lower thirdunder $186,144$13,5384659
Middle third$186,144–$318,742$12,90046222
Upper third$324,251 and up$36,0004761

Busiest firms and what they usually charge

Top 10 by permits in the last 12 months. Usual is each firm's middle filed value; middle half is the range its middle half of jobs were filed in; both are shown for firms with 5 or more priced permits. Busy is not the same as careful: pick what you value to build a list.

FirmPermitsLast 12 moUsualMiddle halfFinished
City Carport12141$12,900$12,90073.6%
Coach House Garages347$60,750$53,578–$70,77661.5%
3MG Missouri LLC55$388,000$69,818–$408,000—
Tuff Shed104$13,538$6,682–$15,7504 of 6
Helitech52$12,067$11,881–$13,085—
Lakeside Renovation & Design22———
Missouri Custom Builders22———
Blusky Restoration31———
Revive Residential Construction31———
Fritz Brothers Construction Inc21———

Why filed values run low or high

  • The 10 busiest firms usually file $12,900; the 136 firms with fewer than 10 permits usually file $20,000.
  • Firms working on the most expensive third of homes (usual home value $324,251 and up) usually file $36,000, against $13,538 for the least expensive third.
  • One permit type covers small and large jobs: 1 in 10 garage & carport permits is filed under $9,400 and 1 in 10 over $71,200, 8 times as much.
  • 95.8% of the 355 permits carry a value; the 15 without one are left out of every figure here.

Is your quote normal? Compare it with 340 filed values

Line your quote up against the file. In St. Louis, 1 in 10 garage & carport filed values sit under $9,400, the middle half between $12,900 and $37,000, and 1 in 10 over $71,200.

  • $92,600Above $71,200: higher than 9 in 10 filed values for this work in St. Louis.
  • $13,000Right at the usual $13,000: in the middle of the file.
  • $6,600Below $9,400: lower than 9 in 10. Ask what the quote leaves out.

When to schedule garage construction in St. Louis

St. Louis files the fewest garage & carport permits in February (62 against an average month of 100) and the most in April (146). If you can choose, ask for quotes in a quiet month. We have no prices by month, so this is about crews' schedules, not a discount. When each trade is busiest in St. Louis →

How these numbers are made

Source: City of St. Louis building permits. The window is October 2023 through September 2026; a permit filed after that isn't here yet.

Usual is the middle permit: half were filed for less, half for more. Only permits with a filed value count; a value of $0 or none is left out.

The spread is approximate: we keep seven points of each firm's own range of filed values, not every permit, and pool them.

Nobody paid to be on this page and nobody can. How the records work in St. Louis →

Common questions

  • How many quotes should I get for a garage & carport job in St. Louis?At least three. In the permit record the middle half of St. Louis garage & carport firms usually file between $12,900 and $35,000 a job, so two ordinary firms can sit 2.7 times apart and both be normal for St. Louis. A third quote shows which one is the outlier. Filed values are what contractors wrote on permits, not quotes, so use them to judge the spread, not to price your own job.
  • What range is normal for garage & carport jobs in St. Louis?Half of permits were filed between $12,900 and $37,000; 8 in 10 between $9,400 and $71,200. These are approximate, pooled from each firm's own spread.
  • How much do garage builders charge in St. Louis?The usual garage & carport job is filed at $13,000; the middle half of firms usually file between $12,900 and $35,000. The 10 firms with the most permits in the last 12 months usually file $12,900, about the same as the usual. See every firm's usual job →
  • Why do prices I see online differ from $13,000?$13,000 is the construction value contractors wrote on St. Louis permits. Online figures are usually all-in ranges whose scope you can't check (design, fees, site work), and our file mixes small and large jobs of this type in one number. Use the spread above to see where a quote sits.
  • Do bigger houses get bigger bills?In the file, yes for the firms: those working on the upper third of homes by value usually file $36,000, the lower third $13,538. That is firms, not single jobs.
  • Where does this data come from?City of St. Louis building permits, read October 2026. How the records work in St. Louis →

Garage & Carport cost in other cities: Nashville Chicago Cincinnati Cleveland Minneapolis Denver Colorado Springs Greensboro Saint Paul Scottsdale

Other job costs in St. Louis: Remodel & Alteration · Fence · Deck & Porch · Windows & Doors · Foundation & Waterproofing · Solar