Zoning, building permits and septic rules in Normandy, Missouri
Normandy is a city in St. Louis County, Missouri. Normandy adopts its own zoning, so inside its limits Normandy’s rules apply, not the county’s. 7 rules below are quoted from official sources and independently re-checked, most recently on October 23, 2026. Rules for unincorporated land are on the St. Louis County page.
Answers from the rulebook for Normandy
Normandy’s own rules
Building permitRequired
Construction inside Normandy city limits: building permits are issued by the city after compliance with the building code.
Permit issuance is conditioned on compliance with the building code, so construction may begin only after the permit is issued.
Chapter 405 section 405.030 (building permit required for certain purposes) and 405.040 (plans with permit application) were listed in the table of contents but their text was not opened.
“section 405.030 building permit — required for certain purposes.”
Building code adoptedAdopted (with conditions)
New construction and alterations inside Normandy city limits: the city adopts the International Building Code.
Section 500.040 adopts the edition the ordinance names, which is the 2009 edition with appendices a through k, plus the city's listed changes.
The adoption text says the code applies with additions, insertions, deletions and changes listed in its subsection (c), which was not fully reviewed here.
Section 500.043 also adopts the International Residential Code and 500.045 the International Existing Building Code; their editions were not opened.
The ordinance history line shows amendments through Ord. 651 (2012); the current edition in force was not confirmed.
“being marked and designated as "the international building code, 2009 edition", including appendices a through k”
Certificate of occupancyRequired
Occupancy of buildings inside Normandy city limits: an occupancy permit (certificate of compliance) is required under section 500.015.
Section 500.015 ties the occupancy permit to a property inspection and certificate of compliance.
The compliance certificate fee is listed in section 500.110 at $10.00.
Land inside Normandy city limits. Normandy adopts and administers its own zoning regulations in Chapter 405 of its code.
Zoning rules are in Chapter 405 (Zoning Regulations) of the Normandy code; Article II divides the city into districts.
Section 405.010 states the chapter establishes minimum requirements and that stricter rules control, per the chapter's own text in the table of contents.
Two 2025 zoning amendments (Ord. 836, 837, 838, 839) appear on the chapter page; their text was not opened.
“section 405.100 purpose of districts — division of city into districts.”
Zoning districtsPublished (with conditions)
Zoning districts of Normandy city, as set by Chapter 405 and the official zoning map.
Districts A through G plus MU mixed-use are listed in the Chapter 405 table of contents; the district boundaries are on the official zoning map, which was not opened.
Article XVIII special use districts and Article XXI historic preservation also apply as overlays.
“section 405.110 district boundaries — established — official zoning map.”
Subdividing landRegulated (with conditions)
Subdivision of land inside Normandy city limits.
Chapter 410 (Subdivision Regulations) applies; its sections 410.010 through 410.130 were not opened.
Chapter 405 cross-references subdivision of land to chapter 410.
Building permit, plan review and inspection fees charged by the City of Normandy.
Fees are as listed in section 500.110; the page's history line cites Ord. 783, 6-22-2023 as the latest amendment.
Only the occupancy inspection, reinspection and compliance certificate items were captured; the full fee list (permit fees by project type or valuation) was not read.
The adoption wording of section 500.110 governs; no later fee schedule was found in the code.
occupancy inspection fee (includes one reinspection): 110 USD · additional reinspection within two months: 50 USD · compliance certificate fee: 10 USD
“the building fees, plan review fees, and inspection fees for the city of normandy shall be as follows:”
Still unanswered
We looked and could not find an official answer yet. Silence is not permission; ask Normandy or St. Louis County directly.
Owner-builder exemption — Owner-builder permitting inside Normandy city limits.
Minimum dwelling size — Minimum dwelling floor area inside Normandy city limits.
Lot coverage — Lot coverage inside Normandy city limits.
Living in an RV — Occupancy of recreational vehicles on private land inside Normandy city limits.
Camping on your land — Temporary camping on private land inside Normandy city limits.
14 more unanswered
Tiny homes
Manufactured homes
Accessory dwellings
Who permits septic
Septic permit
Septic inspection
Off-grid sanitation
Well permit
Mandatory utility hookup
Agricultural exemption
Driveway access
Building in a floodplain
Short-term rentals
Permit process
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Unanswered questions are usually a sign that Normandy publishes no rule on the point, not that none exists. St. Louis County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Normandy means bringing your own water and power. The kit we’d start with:
