On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Lafayette County
County says building permits are required for all structures that constitute development under the Land Development Code, including dwellings and other buildings involving structural construction, foundations, utilities, or occupancy, regardless of property size
No public exempt-work list was found on the reviewed county pages
- Exempt No public exempt-work list was found on the reviewed county pages
Required documents
- When a permit is required: County says building permits are required for all structures that constitute development under the Land Development Code, including dwellings and other buildings involving structural construction, foundations, utilities, or occupancy, regardless of property size
- Required documents: Site plan and project description at minimum; additional form-specific materials depend on permit type
- Permit validity/expiration: No public countywide building permit expiration rule found on the reviewed pages
- Owner-builder rules if available: No public owner-builder rule found on the reviewed county pages
- Contractor license requirements: No public county contractor license rule found on the reviewed county pages
- Building code adopted: Lafayette County Land Development Code adopted December 31, 2016; reviewed county pages did not specify an IRC or IBC edition
- Building code
- Lafayette County Land Development Code adopted December 31, 2016; reviewed county pages did not specify an IRC or IBC edition
- Permit validity
- No public countywide building permit expiration rule found on the reviewed pages
- Owner-builder
- No public owner-builder rule found on the reviewed county pages
- Contractor requirements
- No public county contractor license rule found on the reviewed county pages
§ 03
Application process
Typical processing: No public general building permit turnaround posted; issuance is by appointment and project-specific review
- 01 Confirm the parcel is in unincorporated Lafayette County and review zoning or floodplain constraints with Planning and Economic Development
- 02 Call (660) 259-4439 to schedule an appointment; county FAQ says permits are issued by appointment only
- 03 Prepare a site plan and project description; county FAQ says you will need both and staff will walk applicants through the rest
- 04 Use the county Applications and Permits page to obtain the applicable building, septic, floodplain, sign, site plan, or land-division form
- 05 Submit the application and supporting documents to Planning and Economic Development before starting work
- 06 Pay the applicable fee by cash, check, or credit/debit card. County notes a processing fee applies to card payments
- 07 Await county review and then complete required inspections, including septic or floodplain reviews where applicable
Typical processing time: No public general building permit turnaround posted; issuance is by appointment and project-specific review
Source: Lafayette County Planning and Economic Development ↗
§ 04
Fee schedule
Lafayette County building permit fees
Fee type
Amount
01
Minimum permit fee
Residential building permit $300; commercial building permit $400; accessory residential building permit $300; accessory commercial building permit $400
02
Plan check fee
No separate plan check fee publicly listed
03
Permit fee formula
Flat fees by permit type on the county applications page
04
Reinspection fee
Additional septic inspection $100; county FAQ also warns starting work before permit approval can trigger enforcement or added costs, but no public building reinspection line item was found
Cash, check, and credit/debit accepted; card processing fee applies
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- By appointment through Planning and Economic Development at (660) 259-4439 ()
- Inspection hours
- Appointment only; no dedicated inspection window published
Typical sequence: Project-specific; septic fees expressly include two inspections, and floodplain or other development reviews may apply depending on site conditions
§ 06
Frequently asked
Common questions about unincorporated Lafayette County permits
01 Do I need a building permit in unincorporated Lafayette County, MO? ▸
County says building permits are required for all structures that constitute development under the Land Development Code, including dwellings and other buildings involving structural construction, foundations, utilities, or occupancy, regardless of property size
02 How much does a building permit cost in unincorporated Lafayette County, MO? ▸
Building permit fees in unincorporated Lafayette County, MO are set by the local building department and vary by project type and valuation. The minimum permit fee is Residential building permit $300; commercial building permit $400; accessory residential building permit $300; accessory commercial building permit $400. Fees are calculated as: Flat fees by permit type on the county applications page. Plan check fee: No separate plan check fee publicly listed.
03 How do I apply for a building permit in unincorporated Lafayette County, MO? ▸
To apply for a building permit in unincorporated Lafayette County, MO, follow these steps: 1. Confirm the parcel is in unincorporated Lafayette County and review zoning or floodplain constraints with Planning and Economic Development 2. Call (660) 259-4439 to schedule an appointment; county FAQ says permits are issued by appointment only 3. Prepare a site plan and project description; county FAQ says you will need both and staff will walk applicants through the rest 4. Use the county Applications and Permits page to obtain the applicable building, septic, floodplain, sign, site plan, or land-division form 5. Submit the application and supporting documents to Planning and Economic Development before starting work 6. Pay the applicable fee by cash, check, or credit/debit card. County notes a processing fee applies to card payments 7. Await county review and then complete required inspections, including septic or floodplain reviews where applicable
04 How long does it take to get a building permit in unincorporated Lafayette County, MO? ▸
Building permit processing times in unincorporated Lafayette County, MO typically run No public general building permit turnaround posted; issuance is by appointment and project-specific review. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Lafayette County, MO? ▸
Not all construction work requires a permit in unincorporated Lafayette County, MO. The following work is generally exempt: No public exempt-work list was found on the reviewed county pages. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Lafayette County, MO? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Lafayette County, MO via: By appointment through Planning and Economic Development at (660) 259-4439.
last verified April 2026
source Lafayette County Planning and Economic Development ↗
entry id permits/missouri/lafayette/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with Lafayette County Planning and Economic Development before applying. Jaspector is not legal advice.