ADU Permit Requirements in Beaumont, KS

Beaumont is an unincorporated CDP in Butler County, KS (population 36 per 2020 census; historic railroad town from 1885, home to a National Register water tower). With no incorporated city government, Butler County Community Development (Building Safety and Construction Enforcement division) is the AHJ for building permits, zoning, and inspections. Kansas has no statewide residential code mandate, so adoption is local; Butler County follows the Kansas Residential Code 2018 (based on IRC 2018) as the de facto state model. Rural southeast Kansas, Flint Hills region. ASCE 7 wind design speed approximately 115 mph (Vult); high tornado risk (EF tornado country, safe-room design recommended). The Public Works office at 205 W Central Avenue (316-322-4300) handles driveway/entrance and oversized load permits, not building permits. Fee schedule URL is the published Filing Fees PDF on the Applications page. Online portal is the Accela Citizen Access (ACA) Building module for Butler County.

By Joey, Founder · Last verified May 24, 2026 · How we research →

Population: 36 Code: 2018 IRC (Kansas state model; Butler County local adoption not explicitly published, defaults to Kansas Residential Code 2018) Verified: 2026-05-24 3 local rules

When you need a ADU permit in Beaumont

Required·Rule 1

KS (unincorporated Butler County jurisdiction), an attached accessory dwelling unit (ADU) requires building, plumbing, and electrical permits. Kansas does not mandate a statewide residential contractor license, but Butler County and Kansas Construction Industries Licensing require licensed plumbing, electrical, and HVAC contractors for most work. Verify project-specific contractor license requirements with Butler County Community Development.

Typical Timelineabout 4 weeks
SourceButler County Community Development / 2018 IRC (KS state model) · view source
Required·Rule 2

KS (unincorporated Butler County jurisdiction), a detached accessory dwelling unit (ADU) requires building, plumbing, and electrical permits. Kansas does not mandate a statewide residential contractor license, but Butler County and Kansas Construction Industries Licensing require licensed contractors for trade work. A site plan and survey are required.

Typical Timelineabout 4 weeks
SourceButler County Community Development / 2018 IRC (KS state model) · view source
Required·Rule 3

KS (unincorporated Butler County jurisdiction), converting an existing structure (garage, basement) into an ADU requires building, plumbing, and electrical permits. The space must meet all IRC habitability requirements. Kansas does not mandate a statewide residential contractor license, but Butler County and Kansas Construction Industries Licensing require licensed contractors for trade work.

Typical Timelineabout 3 weeks
SourceButler County Community Development / 2018 IRC (KS state model) · view source

ADU Permit Costs: Beaumont vs. Nearby

CityEstimated Fee
Beaumont N/A
Wichita $350 – $3,500
Overland Park $350 – $3,500
Kansas City $350 – $3,500

Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all Beaumont permit costs →

Zoning Considerations

Zoning

ADU regulations vary dramatically by state and city. Many states (CA, OR, WA) have preemption laws that override local zoning restrictions. Check both state law and local zoning before designing.

Estimated Project Timeline in Beaumont

Here's a typical timeline for a adu project in Beaumont, KS:

Week 1
Get quotes & finalize design
Contact licensed contractors, get 3+ quotes, finalize project scope and drawings (plan drawings required).
Week 2
Prepare permit documents
Contractor prepares site plan, construction drawings, and permit application. Gather required documents per your city's checklist.
Week 3
Submit permit application
Your contractor submits the application to Beaumont's building department, apply online here.
Week 4-8
Plan review & approval
Typical processing time in Beaumont: about 4 weeks. Plan review examiner checks drawings for code compliance.
Week 9+
Construction & inspections
Post the permit card on site. Work begins. Schedule inspections at required stages (varies by project). Final inspection required before closing the permit.

Timeline is based on Beaumont's typical about 4 weeks permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.

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Building Department Contact

NameButler County Community Development
Address121 S. Gordy, Suite 202, El Dorado, KS 67042
HoursMonday to Friday, 8:00 AM to 5:00 PM

Frequently Asked Questions

Contact Beaumont's building department for current ADU permit fee information. Fees typically vary based on project scope and valuation.

It depends on the specifics of your project. Some smaller ADU projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.

Working without a required permit in Beaumont can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.

Typical approval time for ADU permits in Beaumont is about 4 weeks. More complex projects may take longer if plan review is required.

Learn More About ADU Permits

Read our complete guide covering permit requirements, costs, common exemptions, and the application process.

Read ADU Guide →

Estimate your permit fees →

Disclaimer: This information was last verified on 2026-05-24. Building permit requirements may change. Zoning requirements (setbacks, lot coverage, height limits) are separate and vary by location. Always confirm with your local building and planning departments before starting your project. PermitMint provides general guidance, not legal advice.