Bolthole Index

Lafayette County, Missouri

Zoning, building permits and septic rules in Odessa, Missouri

Odessa, Missouri (Lafayette County) requires an approved city building permit before any building, alteration, addition or demolition begins1. The city also runs its own zoning, with districts shown on a map at the city clerk2. We could not confirm who issues septic permits inside city limits, so ask the Lafayette County Health Department before you buy.

At a glance

Building permit
Required; approved permit must come before work starts1
Who issues it
City of Odessa community development3
Zoning
City zoning districts apply inside city limits2
Building code
2012 International Building Code4
Mobile and manufactured homes
Limited to approved mobile home parks with a conditional use permit5
Septic inside the city
Not confirmed; ask the county health department6
Floodplain
Separate floodplain development permit required7

Who to call

Building permits

City of Odessa Community Development

Building permits, inspections and zoning compliance inside Odessa city limits

816-230-5577

228 S 2nd Street, Odessa, MO 64076

Septic permits

Lafayette County Planning & Economic Development

Building, septic and floodplain permits for unincorporated Lafayette County; the first call for septic questions before buying in Odessa

660-259-4439

planning@lafayettecountymo.gov

Contact details are copied from each office’s official page and were checked against it on October 24, 2026.

Off-grid gear

Going off-grid in Odessa means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Odessa, Missouri?

Yes. Inside Odessa city limits, no building, alteration, addition or demolition may begin without an approved permit1. Each construction job needs its own permit, and Odessa will not issue one for a project that violates the city zoning code1. New home construction needs a permit and multiple inspections8.

The City of Odessa has adopted the 2012 International Building Code4. Odessa also lists a permit requirement for a driveway 30 inches above grade9.

Who issues building permits in Odessa, and how do you reach them?

The City of Odessa's community development office takes building permit applications, available online or at city hall3. Call 816-230-5577 or visit 228 S 2nd Street, Odessa, MO 640763.

Inside Odessa, the city handles building permits and zoning. The Lafayette County Planning & Economic Development office handles planning and zoning only in unincorporated areas, so sending an Odessa address there is the wrong counter10.

Fees are published by the city: a deck permit is $185 and a demolition permit is $65, while new one- and two-family construction is priced from gross square footage11.

Does Odessa have zoning, and what does it mean for homes and lot size?

Odessa divides the city into zones shown on a city zoning map filed with the city clerk2. Ask the clerk which district a parcel is in before you make an offer.

Minimum home size depends on the district. In R-1B and R-1C single-family districts the table lists 1,600 square feet, and in R-1D and R-1E it lists 2,000 square feet; R-1A has no listed minimum12.

Mobile and manufactured homes without a permanent foundation must sit in a mobile home park that has a conditional use permit5. Subdividing is regulated too: a final plat goes to the board of aldermen for approval before recording13.

How do septic permits work inside Odessa?

We could not confirm which agency permits septic systems on a lot inside Odessa city limits. Missouri requires a construction permit before installing or repairing most onsite wastewater systems, though some single-family residential lots may be exempt14.

Lafayette County Health Department regulates private sewage systems in towns without their own sewage codes15. Whether Odessa has such a code is unconfirmed, so call the county planning office at 660-259-4439 before relying on any answer6. Outside city limits, unincorporated parcels of 25 acres or less go through county Planning and Economic Development16.

Can you live in an RV or tiny home in Odessa?

We could not confirm a general rule for RVs, temporary camping or tiny homes on a lot in Odessa, and the city's travel-trailer provisions do not settle it. Call Odessa community development at 816-230-5577 before parking an RV or placing a tiny home3.

The rule we can confirm covers mobile and manufactured homes without permanent foundations: they belong in an approved mobile home park with a conditional use permit5.

Building a home in Odessa: the steps, in order

  1. Ask the city clerk which zoning district the parcel is in and check the minimum home size2.
  2. Check the floodplain: a separate floodplain development permit is required for each structure in Odessa floodplain areas7.
  3. Call Odessa community development at 816-230-5577 to confirm what to submit3.
  4. Get the approved building permit before work begins1.
  5. Schedule the required inspections; none happen until all permits are in hand8.
  6. Settle septic with the Lafayette County Health Department or county planning office before you commit6.

What stays with Lafayette County, and what to check before you buy in Odessa

Land outside Odessa city limits falls under the county. Unincorporated Lafayette County requires building permits for structures that count as development under its Land Development Code17; see the Lafayette County page for those rules.

County-level figures: Lafayette County's effective property tax rate is 0.8%18, with a median bill of $1,534 a year19. USDA rates about 13.4% of the county's soils as not limited for a conventional septic drain field, so expect a site evaluation20.

Watch-outs

  • We could not confirm whether Odessa has its own sewage code, so ask the Lafayette County Health Department before assuming a septic permit is or is not needed inside city limits15.
  • Odessa's minimum home size varies by district, and the city table refers to exceptions in specific R-1 district sections12.
  • Construction without required permits is a city code violation and may bring double permit fees3.

Sources

  1. Building Permit Information (Odessa), quoted and re-checked
  2. Code of Ordinances (Odessa), quoted and re-checked
  3. City of Odessa Community Development (cityofodessamo.com)
  4. Building Permit Information (Odessa), quoted and re-checked
  5. Odessa Code of Ordinances, Chapter 50, Article I (Odessa), quoted and re-checked
  6. Lafayette County Planning & Economic Development (lafayettecountymo.gov)
  7. Odessa Code of Ordinances, Chapter 10, Article V—Flood Prevention and Control (Odessa), quoted and re-checked
  8. Building Permit Information (Odessa), quoted and re-checked
  9. Building Permit Information (Odessa), quoted and re-checked
  10. Planning & Economic Development, quoted and re-checked
  11. Building Permit Information (Odessa), quoted and re-checked
  12. Odessa Planning and Zoning Commission agenda and staff reports, February 19, 2026 (Odessa), quoted and re-checked
  13. Odessa Code of Ordinances, Chapter 42—Subdivisions and Development (Odessa), quoted and re-checked
  14. OWTS Construction Permit Process (Missouri statewide rule), quoted and re-checked
  15. Sewage System, quoted and re-checked
  16. Sewage System, quoted and re-checked
  17. Applications, Permits, and Fees, quoted and re-checked
  18. Effective property tax rate: Bolthole Index county data
  19. Median property tax bill: Bolthole Index county data
  20. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data

Written October 24, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

Answers from the rulebook for Odessa

Odessa’s own rules

  • Building permitRequired

    Building, alteration, addition, or demolition inside Odessa city limits.

    • An approved permit is required before work begins.
    • Separate permits are required for each construction job.
    • Permits will not issue for projects violating the City Zoning Code.
    “No building, alteration, addition, or demolition may begin without an approved permit.”
  • Building code adoptedAdopted (with conditions)

    Construction, renovation, and development inside Odessa city limits.

    code: 2012 International Building Code

    “The City of Odessa has adopted the 2012 International Building Code”
  • InspectionsRequired

    New home construction inside Odessa city limits.

    • The city table identifies multiple inspections for new home construction.
    • No inspections will be conducted until all required permits are obtained.
    “New home construction | ✅ Yes | ✅ Yes (multiple)”
  • Local zoningPresent (with conditions)

    Land inside Odessa city limits.

    • Zoning districts are shown on the city zoning map filed with the city clerk.
    “The city is divided into zones as shown on the city zoning map filed with the city clerk.”
  • Manufactured homesLimited

    Mobile homes and manufactured homes without permanent foundations inside Odessa city limits.

    • They must be in a mobile home park with a conditional use permit.
    • Outside an approved park they may not be connected to utilities, except units offered for sale and not inhabited or approved for temporary use.
    • The code preserves an exception for certain units legally placed and inhabited outside an approved park before adoption of the regulation.
    “All mobile homes and manufactured homes without permanent foundation shall be located within a mobile home park that has received a conditional use permit.”
  • Subdividing landRegulated (with conditions)

    Subdivisions inside Odessa city limits.

    • Final plats must be submitted to the board of aldermen before recording.
    • Approval includes acceptance of public ways, service and utility easements, and land dedicated to public use.
    “Before recording the final plat, it shall be submitted to the board of aldermen for approval”
  • Driveway accessLimited

    Driveways inside Odessa city limits.

    • The city page identifies a permit requirement for a driveway 30 inches above grade.
    • The cited table states no inspection for that listed driveway project.

    elevation threshold: >= 30 inches above grade (Driveway permit requirement)

    “Driveway (permit required if 30" above grade) | ✅ Yes | ❌ No”
  • Building in a floodplainRequired

    Proposed construction or other development, including manufactured homes, in Odessa floodplain areas described in Code Section 10-213.

    • A separate floodplain development permit is required for each structure or other development.
    • The code enforcement officer administers and implements the article.
    “A floodplain development permit shall be required for all proposed construction or other development, including the placement of manufactured homes”
  • Permit feesPublished (with conditions)

    Building permits inside Odessa city limits.

    deck permit fee: 185 USD · demolition permit fee: 65 USD · new one- and two-family construction fee: gross sq. ft. x 170.8 x 0.0075

    “Accessory Structures | Gross sq. ft. x 170.8 x 0.0075 Commercial Parking Lot | $65 Deck | $185 Demolition | $65”

Rules another office applies inside Odessa

Odessa does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Minimum dwelling sizeDistrict specific (with conditions)

    R-1A through R-1E Single-Family Dwelling Districts inside Odessa city limits.

    • The city table says R-1A has no listed minimum dwelling square footage.
    • The table gives 1,600 square feet for R-1B and R-1C, and 2,000 square feet for R-1D and R-1E.
    • The table refers to exceptions cited in specific R-1 district sections.

    R-1B/R-1C minimum dwelling area: 1600 square feet · R-1D/R-1E minimum dwelling area: 2000 square feet

    “R-1B 15,000 100 30* 20 25 30 25 1,600 sf”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Odessa or Lafayette County directly.

  • Certificate of occupancy — Occupancy of structures inside Odessa city limits.
  • Lot coverage — Residential lots inside Odessa city limits.
  • Building height — Residential buildings inside Odessa city limits.
  • Camping on your land — Temporary camping on private land inside Odessa city limits.
  • Tiny homes — Tiny-home occupancy inside Odessa city limits.
9 more unanswered
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • 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 Odessa publishes no rule on the point, not that none exists. Lafayette County’s page lists the county offices to call.

← All of Lafayette County: county rules, score and offices