Boone County, MO — 2026 Building Permit Guide

On this page 6

§ 01

Permit authority

Boone County Resource Management Department – Building Inspections Division, which issues and inspects building permits for every property outside the limits of an incorporated city. citeturn0search4

Street address

Boone County Government Center, 801 E. Walnut St., Room 315, Columbia, MO 65201-7732. citeturn2search4

Phone

Planning 573-886-4330; Inspections 573-886-4339. citeturn2search4

resmgt@boonemo.gov. citeturn2search4

Coverage

The division covers only unincorporated Boone County; Resource Management has intergovernmental agreements to inspect but not authorize permits inside cities such as Columbia, Ashland, Centralia, Hallsville, Rocheport, Sturgeon, Harrisburg, and Hartsburg. citeturn26search11

Online portal

https://www.showmeboone.com/resource-management/inspections/. citeturn0search4

Boone County’s Building Inspections web portal (county-managed form uploads). citeturn0search4

§ 02

When a permit is required

Permit triggers and exempt work for Boone County

Any new structure, addition, alteration, demolition, or repair that affects the structural or regulated systems of a building on unincorporated property requires a county permit. citeturn0search4

Scope of work

Permit?

Public information is thin; the Building Inspections page does not publish a discrete exempt-work list, so applicants should confirm any proposed exemption directly with the division. citeturn0search4

Exempt

Exempt Public information is thin; the Building Inspections page does not publish a discrete exempt-work list, so applicants should confirm any proposed exemption directly with the division. citeturn0search4

Required documents

When a permit is required: Any new structure, addition, alteration, demolition, or repair that affects the structural or regulated systems of a building on unincorporated property requires a county permit. citeturn0search4
Required documents: Plans are required for commercial projects, accessory buildings larger than 3,000 square feet, and rooftop solar installations, and inspectors may request additional engineering or special-inspection reports. citeturn2search4
Permit validity/expiration: Permits become void if work does not begin within six months or if no inspection request is made for six consecutive months. citeturn37search6
Owner-builder rules if available: No owner-builder-specific guidance is posted online; applicants follow the same permit process as contractors. citeturn2search4
Contractor license requirements: The published materials do not list unique contractor licensing tiers for unincorporated projects, so applicants should verify licensing directly with Resource Management. citeturn2search4
Building code adopted: Resource Management enforces the 2015 International Residential Code (with local amendments) for the agreement cities, and that same county-level code is the baseline for unincorporated inspections. citeturn37search9

Building code: Resource Management enforces the 2015 International Residential Code (with local amendments) for the agreement cities, and that same county-level code is the baseline for unincorporated inspections. citeturn37search9
Permit validity: Permits become void if work does not begin within six months or if no inspection request is made for six consecutive months. citeturn37search6
Owner-builder: No owner-builder-specific guidance is posted online; applicants follow the same permit process as contractors. citeturn2search4
Contractor requirements: The published materials do not list unique contractor licensing tiers for unincorporated projects, so applicants should verify licensing directly with Resource Management. citeturn2search4

§ 03

Application process

Typical processing: Not published; applicants should contact the division for current turnaround expectations. citeturn2search4

01

Use the “Apply for Building Permit” link on the Building Inspections page or call the office to begin a new application. citeturn0search4
02

Provide the required documentation, pay the valuation/cost-based fee, and coordinate with any participating city (Centralia, Sturgeon, Harrisburg, Hallsville, Hartsburg, Rocheport) if your parcel sits within its limits. citeturn26search11 citeturn2search4
03

Resource Management reviews the submission, issues the permit, and notifies the applicant when inspections may be scheduled. citeturn0search4
04

Schedule inspections by calling 573-886-4339 or emailing the Inspections Division once the permit is active. citeturn2search4
05

After the final inspection and any required corrections, Resource Management issues the certificate of occupancy for the approved work. citeturn0search4

Typical processing time: Not published; applicants should contact the division for current turnaround expectations. citeturn2search4

Source: Boone County Resource Management Department – Building Inspections Division, which issues and inspects building permits for every property outside the limits of an incorporated city. citeturn0search4 ↗

§ 04

Fee schedule

Boone County building permit fees

Fee type

Amount

Minimum permit fee

Not published; fees are determined by project valuation and square footage according to the guidance on the site. citeturn2search4

Plan check fee

Not listed separately; plan review is conducted through the Resource Management review process tied to the main permit. citeturn2search4

Permit fee formula

New construction fees use square footage rates while remodels/repairs rely on the owner’s estimated cost; additional fees apply for wastewater, driveway, and sidewalk permits. citeturn2search4

Reinspection fee

Not publicly itemized; inquiries should be directed to the Building Inspections office. citeturn2search4

Credit-card payments incur a 2.35% convenience fee (minimum $1.55); paying by check or cash avoids the fee. citeturn2search4

§ 05

Required inspections

Scheduling and sequence

How to schedule

Call 573-886-4339 or email the Inspections Division once the permit is active to request each inspection. citeturn2search4 ()

Inspection hours: Inspection appointments are handled through the Building Inspections office during standard county business hours; verify specific time slots with the office. citeturn0search4

Typical sequence: The division performs the customary sequence of foundation, framing, mechanical, electrical, plumbing, and final inspections for every permitted project. citeturn0search4

§ 06

Frequently asked

Common questions about unincorporated Boone County permits

01 Do I need a building permit in unincorporated Boone County, MO? ▸

02 How much does a building permit cost in unincorporated Boone County, MO? ▸

Building permit fees in unincorporated Boone County, MO are set by the local building department and vary by project type and valuation. The minimum permit fee is Not published; fees are determined by project valuation and square footage according to the guidance on the site. citeturn2search4. Fees are calculated as: New construction fees use square footage rates while remodels/repairs rely on the owner’s estimated cost; additional fees apply for wastewater, driveway, and sidewalk permits. citeturn2search4. Plan check fee: Not listed separately; plan review is conducted through the Resource Management review process tied to the main permit. citeturn2search4.

03 How do I apply for a building permit in unincorporated Boone County, MO? ▸

To apply for a building permit in unincorporated Boone County, MO, follow these steps: 1. Use the “Apply for Building Permit” link on the Building Inspections page or call the office to begin a new application. citeturn0search4 2. Provide the required documentation, pay the valuation/cost-based fee, and coordinate with any participating city (Centralia, Sturgeon, Harrisburg, Hallsville, Hartsburg, Rocheport) if your parcel sits within its limits. citeturn26search11 citeturn2search4 3. Resource Management reviews the submission, issues the permit, and notifies the applicant when inspections may be scheduled. citeturn0search4 4. Schedule inspections by calling 573-886-4339 or emailing the Inspections Division once the permit is active. citeturn2search4 5. After the final inspection and any required corrections, Resource Management issues the certificate of occupancy for the approved work. citeturn0search4

04 How long does it take to get a building permit in unincorporated Boone County, MO? ▸

Building permit processing times in unincorporated Boone County, MO typically run Not published; applicants should contact the division for current turnaround expectations. citeturn2search4. Timelines can vary based on project complexity and current department workload.

05 What work is exempt from building permits in unincorporated Boone County, MO? ▸

Not all construction work requires a permit in unincorporated Boone County, MO. The following work is generally exempt: Public information is thin; the Building Inspections page does not publish a discrete exempt-work list, so applicants should confirm any proposed exemption directly with the division. citeturn0search4. When in doubt, confirm with the local building department before starting work.

06 How do I schedule a building inspection in unincorporated Boone County, MO? ▸

Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Boone County, MO via: Call 573-886-4339 or email the Inspections Division once the permit is active to request each inspection. citeturn2search4.

last verified April 2026 source Boone County Resource Management Department – Building Inspections Division, which issues and inspects building permits for every property outside the limits of an incorporated city. citeturn0search4 ↗ entry id permits/missouri/boone/unincorporated

Report a correction

Educational reference. Permit rules and fees change — confirm current requirements directly with Boone County Resource Management Department – Building Inspections Division, which issues and inspects building permits for every property outside the limits of an incorporated city. citeturn0search4 before applying. Jaspector is not legal advice.

Unincorporated Boone County