Johnson County prices building permits with a fee table based on project value, with a $22.00 minimum, then charges plan review at a flat $100.00. Enter your project to see the exact math.
Official county schedule
Effective not stated
Verified Nov 5, 2026
Minimum fee
$22.00
Plan review
Separate
$75k addition
$786
Permit fee calculator
Johnson County schedule
$
sq ft
Estimated permit fees$786.25
1. Building permit fee $580.00 for the first $50,000.00 + $6.25 × 25 per $1,000.00 over$736.25
2. Plan review fee flat$50.00
May also apply (not in the total)
Fees are estimates based on the official schedule linked below. Confirm with the permit office before applying. Separate electrical, plumbing, mechanical, fire, impact, utility and school fees are usually not included unless they are listed. BuildingPermitCost is not a government permit office, and this is not legal advice.
What common projects cost
Kitchen or bath remodel
$25,000 value, remodel 300 sq ft
$400.50
$350.50 building permit + $50.00 plan review
Room addition
$75,000 value, addition 400 sq ft
$786.25
$736.25 building permit + $50.00 plan review
New single-family home
$350,000 value, new single-family 2,400 sq ft
$2,245.00
$2,145.00 building permit + $100.00 plan review
How Johnson County calculates your permit fee
The county charges a building permit fee using a fee table based on project value, with a $22.00 minimum. Plan review is a separate charge: a flat $100.00.
The fee table
Project value
Fee
$1 – $500
$22.00
$501 – $2,000
$22.00 for the first $500 + $2.75 per additional $100 or fraction
$2,001 – $25,000
$63.00 for the first $2,000 + $12.50 per additional $1,000 or fraction
$25,001 – $50,000
$352.00 for the first $25,000 + $9.00 per additional $1,000 or fraction
$50,001 – $100,000
$580.00 for the first $50,000 + $6.25 per additional $1,000 or fraction
$100,001 – $500,000
$895.00 for the first $100,000 + $5.00 per additional $1,000 or fraction
$500,001 – $1,000,000
$2,855.00 for the first $500,000 + $4.25 per additional $1,000 or fraction
Over $1,000,000
$4,955.00 for the first $1,000,000 + $2.75 per additional $1,000 or fraction
What counts as project value
Your contract or bid price. "Building permit valuation shall include the total value of the work for which a permit is being issued, such as electrical, gas, mechanical, plumbing equipment, and other permanent systems, including material and labor." Commercial: the applicant provides an estimated permit value at application. One permit fee covers building plus mechanical, electrical and plumbing.
Worked example: a $350,000 new home
Building permit fee: $895.00 for the first $100,000.00 + $5.00 × 250 per $1,000.00 over = $2,145.00
Plan review fee: flat = $100.00
Total before trade permits: $2,245.00.
Fees people miss
Fee
Amount
Inspections outside normal business hoursWhen: after-hours inspection requested
$50.00 per hour
Reinspection feeWhen: reinspection
$50.00 per hour
Inspections with no specified feeWhen: inspection not otherwise priced
$50.00 per hour
Additional plan review for changes, additions or revisionsWhen: plans revised
$50.00 per hour
Outside consultants for plan checking/inspectionsWhen: outside consultant used
actual costs
How to apply
Gather your plans and your project's total value.
Submit to Johnson County Building Codes through MGO Connect (My Government Online).
Pay the permit and plan review fees when invoiced.
Questions: 913-715-2200
How Johnson County compares
A $25,000 remodel costs $400.50 in Johnson County: 5% above the national median of $380.00, and the highest of 5 places we cover in Kansas (state median $257.00).
A $75,000 addition costs $786.25 in Johnson County: about the same as the national median of $820.58.
A $350,000 new home costs $2,245.00 in Johnson County: 23% below the national median of $2,918.63, and the highest of 5 places we cover in Kansas (state median $1,225.00).
Cities in Johnson County with their own fee schedule on this site: Overland Park, Shawnee. Inside those cities, check whether the city or the county issues your permit.
How much is a building permit in Johnson County, KS?
A $25,000 remodel: $400.50. A $75,000 addition: $786.25. A $350,000 new single-family: $2,245.00. These include every fee the schedule applies to that project; trade permits are separate.
Is plan review included in the Johnson County permit fee?
No. Plan review is charged separately at a flat $100.00.
How does Johnson County determine project value?
Your contract or bid price. "Building permit valuation shall include the total value of the work for which a permit is being issued, such as electrical, gas, mechanical, plumbing equipment, and other permanent systems, including material and labor." Commercial: the applicant provides an estimated permit value at application. One permit fee covers building plus mechanical, electrical and plumbing.
When did these Johnson County fees take effect?
The schedule does not state an effective date. We last checked it against the official source on Nov 5, 2026.