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READYDOCSCOMPLIANCESTATESKANSASJOHNSON COUNTY
FILE 20091 · COUNTY OF JOHNSONSEAT · OLATHEPOPULATION · 615KVERIFIED · 05 / 2026
Public Compliance Directory · County Hub

Johnson.

Johnson County in Kansas. This is where the state file translates into the local offices that actually issue the permit, schedule the inspection, and sign the filing. Start with the state baseline, then drill into the right city.

Cities on file
1
Trades indexed
12
County seat
Olathe
Last verified
05 / 2026
FAST FACTS

Johnson County at a glance

Quick-reference card
County seatOlathe
Population (est.)615K
FIPS20091
Building departmentCity-by-city; Olathe, Overland Park, Lenexa, and others run independent permit portals
Permit portalCity-by-city; each municipality maintains its own portal
Fire marshalJohnson County Fire District No. 1 and various municipal fire departments
Browse cities→Back to state←
County of
Johnson
· ACTIVE FILE ·
ARTICLE I · COUNTY BASELINE
CODES & LOCAL AUTHORITY
FIPS 20091
Article I · County Baseline

The county inherits from the state. And adds local rules.

Most municipalities have adopted the 2018 or 2021 International Building Codes with local amendments.

Johnson County is highly urbanized with most land within incorporated cities that manage their own building permits and zoning. The county government primarily handles building permits and zoning for unincorporated areas and specific rural districts. Development in flood-prone areas near the Kansas River or local creeks may require additional floodplain development permits.

The county enforces specific stormwater management and erosion control requirements for all land-disturbing activities exceeding one acre.

How this fits with the state

The state authority here is Kansas local building departments; Kansas trade boards where applicable. The county file does not replace that — it adds the permit office, local overlays, and the actual filing path.

Source · City-by-city; Olathe, Overland Park, Lenexa, and others run independent permit portalsLast verified · 05 / 2026
ARTICLE II · PERMIT OFFICES
WHERE THE PERMIT IS FILED
OPERATING PATH
Article II · Local Offices

Who issues, who inspects, who signs off.

Contractors must register with individual cities where they perform work, as there is no single county-wide contractor license.

Building

City-by-city; Olathe, Overland Park, Lenexa, and others run independent permit portals

Permits, plans, inspections

Verify hours, requirements, and fees on the local portal before filing.

Office · local
See sources →
Permit portal

City-by-city; each municipality maintains its own portal

Apply, track, pay

Verify hours, requirements, and fees on the local portal before filing.

Office · local
See sources →
Planning / zoning

Johnson County Planning and Development

Land use, plan review

Verify hours, requirements, and fees on the local portal before filing.

Office · local
See sources →
Fire marshal

Johnson County Fire District No. 1 and various municipal fire departments

Prevention, alarms, sprinklers

Verify hours, requirements, and fees on the local portal before filing.

Office · local
See sources →
ARTICLE III · INSURANCE & BONDS
COUNTY OVERLAY ON STATE BASELINE
VERIFY BEFORE BIDDING
Article III · County Overlay

What Johnson County usually adds.

The state sets the floor. The county and city can require additional certificates, local bonds, or pre-permit registration.

CoverageRequired?MinimumIssued by
Workers' CompensationState rule with county add-ons
Verify
Verify employer threshold and exemptions
State authority
General LiabilityOften required by permit type
Conditional
Permit-based
City-by-city; Olathe, Overland Park, Lenexa, and others run independent permit portals
Surety BondTied to state license or county permit
Conditional
Local bonds commonly vary
State or county
County overlayContractors are generally required to provide proof of general liability and workers' compensation insurance as mandated by individual municipal licensing requirements.
Verify
Varies
City-by-city; Olathe, Overland Park, Lenexa, and others run independent permit portals
Source · City-by-city; Olathe, Overland Park, Lenexa, and others run independent permit portalsVerify before filing
ARTICLE IV · INDEXED CITIES
CITIES IN JOHNSON COUNTY
1 CITY
Article IV · Browse by City

Indexed cities in Johnson County.

Pick a city to open its trade list. The trade page covers licensing, permits, insurance, and typical costs for that work in that city.

Overland ParkJohnson County
01
ARTICLE V · TRADES
TRADES IN JOHNSON COUNTY
12 TRADES
Article V · Trades

Trades branching in Johnson County.

Each trade opens against the first indexed city in the county. Use the city browser above to open the same trade in another city.

Concrete
CODE · CN
GL
Open file →
Electrical
CODE · EL
State Lic.GLBond
Open file →
Flooring
CODE · FL
GL
Open file →
Framing
CODE · FR
GL
Open file →
General Contracting
CODE · GC
State Lic.GLBond
Open file →
HVAC
CODE · HV
State Lic.GLBond
Open file →
Landscaping
CODE · LS
GL
Open file →
Painting
CODE · PT
GL
Open file →
Pest Control
CODE · PC
State Lic.GL
Open file →
Plumbing
CODE · PL
State Lic.GLBond
Open file →
Pool Service
CODE · PS
GLBond
Open file →
Roofing
CODE · RF
LicenseBondGL
Open file →
ARTICLE VI · SOURCES
LOCAL SOURCE REGISTER
VERIFY LOCALLY
Article VI · Sources & Citations

Every filing needs a source trail.

This template keeps the county page honest: local context here, filing decisions made with the issuing office.

State

Kansas local building departments; Kansas trade boards where applicable

Statewide licensing, reciprocity, and renewal rules.

/contractors/kansas
VERIFIED
05 / 2026
County

City-by-city; Olathe, Overland Park, Lenexa, and others run independent permit portals

Department that issues permits and schedules inspections for unincorporated areas.

City-by-city; each municipality maintains its own portal
VERIFIED
05 / 2026
Planning

Johnson County Planning and Development

Land use, zoning review, and plan approvals.

Local planning office
VERIFIED
05 / 2026
Fire

Johnson County Fire District No. 1 and various municipal fire departments

Prevention, protection systems, and code approvals.

Fire marshal's office
VERIFIED
05 / 2026
Frequently Asked

Questions contractors ask before filing.

Q01Do I need a state license to work in Johnson County?+
Usually yes — the baseline is the state license through Kansas local building departments; Kansas trade boards where applicable. Johnson County and its cities may add local registration before you pull a permit.Source · Kansas local building departments; Kansas trade boards where applicable
Q02Does the county or the city issue the permit?+
It depends on where the work is. Unincorporated areas usually route through the county (City-by-city; Olathe, Overland Park, Lenexa, and others run independent permit portals). Work inside an incorporated city normally files with that city's department.Source · City-by-city; Olathe, Overland Park, Lenexa, and others run independent permit portals
Q03What changes between county and state?+
The county adds the actual permit office, local zoning overlays, plan-review timelines, inspections, and local fees. The state license defines who can contract; the county defines how the job gets filed.Source · County and municipal departments

Open the county file. Then pick the city.

Johnson County now inherits from the state template and adds its own local detail. The next layer is the city and trade pages.

Browse cities→Back to state←