Zoning, building permits and septic rules in Concordia, Missouri
Concordia is a city in Lafayette County, Missouri. Concordia adopts its own zoning, so inside its limits Concordia’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 Lafayette County page.
Answers from the rulebook for Concordia
Concordia’s own rules
Building permitRequired
New construction, additions and structural alterations of buildings inside Concordia city limits.
Permit is issued by the building official after plan review, zoning compliance and payment of fees.
Building without a permit is a violation; failure to obtain a permit may result in a double permit fee and removal of construction.
General contractors and subcontractors must hold a current city business license before work on a building project; electricians, plumbers and HVAC technicians must hold city trade licenses.
“no building or structure shall be erected, added to or structurally altered until a permit has been issued by the building official.”
InspectionsRequired
Permitted building work inside Concordia city limits, inspected by the city building inspector.
Required inspections include footings, foundation walls, basement floor, rough-in carpentry, electrical, plumbing and mechanical rough-ins, insulation, and a final inspection before occupancy.
Inspection requests must be called in with the permit number and site address; requests received by 3:00 p.m. are assigned for the next day.
Reinspection fee of $100.00 per reinspection after the first reinspection.
reinspection fee: 100 USD (per reinspection after the first (1st) reinspection)
“the following inspections will be made by the building inspector.”
Certificate of occupancyRequired
Buildings inside Concordia city limits before occupancy.
Occupancy requires a final inspection and certificate of occupancy; final inspection occurs after life-safety items are completed and before the building is occupied.
“no occupancy will be allowed without a final inspection and certificate of occupancy.”
Local zoningPresent (with conditions)
Land inside Concordia city limits: the city's own zoning code is in its adopted code of ordinances (Title IV, Chapter 405 Zoning Regulations) and the building official checks zoning before issuing permits.
Building permits are issued only when the setbacks and use comply with the city's zoning ordinance; a permit may issue otherwise only upon a decision by the board of zoning adjustment.
Chapter 405 was not opened; its district rules and numeric limits are not verified here.
Building permit fees for new residential construction inside Concordia city limits.
Fee is set on a cost-per-square-foot basis from BOCA rates adjusted semi-annually, plus a city administrative modifier of .005.
Remodel, rehabilitation and accessory building fees, and plumbing, electrical and HVAC fees, are set in chapter 150, table B of title I (not read).
Water and sewer tap fees are set by separate ordinances (not read); all permit fees, tap fees and trade fees must be paid before the building permit is issued.
city administrative modifier, new residential: 0.005 multiplier (applied to BOCA cost per square foot)
“cost per square foot and type of construction modifier will be established semi-annually by boca.”
Permit processPublished (with conditions)
Applying for a building permit inside Concordia city limits.
Applications use the city's building permit packet and must include drawings; the building official reviews them.
Single-family and duplex plan review normally takes three days; commercial review takes two to three weeks.
Permit issues only after plan review passes, zoning setbacks and use comply, and fees are received by the city clerk.
Contractors must be listed on the application; general contractor, electrician, plumber, mechanical contractor, surveyor, excavator and foundation contractor are mandatory listings.
single-family/duplex plan review time: 3 days (normal review time)
“review of applications for single-family and duplex construction normally takes three (3) days.”
Still unanswered
We looked and could not find an official answer yet. Silence is not permission; ask Concordia or Lafayette County directly.
Owner-builder exemption — Owner-built construction inside Concordia city limits.
Zoning districts — Zoning district map and district list for land inside Concordia city limits.
Minimum dwelling size — Minimum floor area for a single-family dwelling inside Concordia city limits (main single-family residential district).
Minimum lot size — Minimum lot area for the main single-family residential district inside Concordia city limits.
Setbacks — Front, side and rear setbacks in the main single-family residential district inside Concordia city limits.
17 more unanswered
Lot coverage
Building height
Living in an RV
Camping on your land
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
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 Concordia publishes no rule on the point, not that none exists. Lafayette County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Concordia means bringing your own water and power. The kit we’d start with:
