Cassville, MO - 2026 Building Permit Guide

Permit Authority

Applies only within city limits; nearby unincorporated areas route permits through Barry County

Department

City of Cassville Permits & Licenses (City Clerk/Public Works coordinates building permits and inspections)

Address

300 Main Street, Cassville, MO 65625

Phone

417-847-4441

Email

Not publicly listed , the website directs applicants to use the general contact form or City Hall for permit questions

Website

https://www.cityofcassville.com/o/coc/page/permits-and-licenses

Online Permit Portal

Application Process

1. Gather the completed residential or commercial building permit application, site plan, floor plans, and construction estimate (the residential pdf explicitly asks for a construction plan with the application)
2. Submit the documents via the iWorQ portal or deliver them to City Hall; triple fees are assessed for work that starts before permit approval
3. The Building Inspector reviews plans against the adopted codes (IBC 2018 + amendments) and charges the fee schedule tied to the project type
4. Schedule the required inspections (framing, mechanical, final, etc.); once inspections pass, the department issues the certificate of occupancy and closes the permit

Typical processing time: Not published publicly

Source: City of Cassville Permits & Licenses (City Clerk/Public Works coordinates building permits and inspections)

General Requirements

Section 500.030(A) of the Cassville Code mandates permits for any residential renovation, new construction, addition, or structural alteration; Section 500.030(B) extends the requirement to commercial work regulated by the IBC

Required Documents

• When a permit is required: Section 500.030(A) of the Cassville Code mandates permits for any residential renovation, new construction, addition, or structural alteration; Section 500.030(B) extends the requirement to commercial work regulated by the IBC
• Required documents: Applications must include a site plan, dimensions, valuation, owner/contractor information, and construction plan; residential and commercial forms highlight these deliverables and require signatures from the owner or authorized agent
• Permit validity/expiration: Residential permits for new, attached, or remodeling work remain valid for six months (with one six-month extension upon Building Inspector approval); all other permits expire after 30 days
• Owner-builder rules if available: The application is signed by the owner or authorized agent, so owner-builders may apply if they attest to their responsibility and compliance
• Contractor license requirements: Contractors provide business contact details on the application but no additional city-specific license is cited
• Building code adopted: The city adopted the 2018 IBC with Appendices A, B, E, G, I, J and IBC Section 108 is modified to cite Cassville’s fee schedule

Permit validity

Residential permits for new, attached, or remodeling work remain valid for six months (with one six-month extension upon Building Inspector approval); all other permits expire after 30 days

Building code

The city adopted the 2018 IBC with Appendices A, B, E, G, I, J and IBC Section 108 is modified to cite Cassville’s fee schedule

Owner-builder

The application is signed by the owner or authorized agent, so owner-builders may apply if they attest to their responsibility and compliance

Contractor requirements

Contractors provide business contact details on the application but no additional city-specific license is cited

Fees

Minimum permit fee

$50 for most building permits; other permits (decks, porches, signs) start at $25

Plan check fee

Embedded in the stated per-square-foot valuation; “new commercial construction” and “remodeling” per-sf rates cover plan review and inspections

Permit fee formula

New residential construction $0.30/sf, garages/carports $0.15/sf, residential remodeling $0.20/sf; commercial new construction $0.50/sf, remodeling $0.50/sf, and attachment/detached accessory structures use reduced per-square-foot rates

Reinspection fee

One reinspection per permit is included; each additional reinspection costs $20 (residential form). Work started without a permit is penalized at triple the standard fees

Payment note

Fees paid at filing or through the iWorQ portal; the portal can accept credit cards per iWorQ standard

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

Contact the City of Cassville Permits & Licenses (City Clerk/Public Works coordinates building permits and inspections) to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

• Applicants coordinate directly with the Building Inspector via City Hall (contact line 417-847-4441) ()

Inspection hours

Not published in the public materials

Typical inspection sequence: Inspections follow the adopted International codes; the application form includes lines for layout, pre-pour, post-pour, and final checks

Additional Resources

• Building code: The city adopted the 2018 IBC with Appendices A, B, E, G, I, J and IBC Section 108 is modified to cite Cassville’s fee schedule
• Zoning information: View zoning info
• link to zoning map and the downloadable zoning regulations via the city’s Download/View page (as linked on the Permits & Licenses page)
• for the full building code, and for permit submissions, status checks, and violation reporting
• License lookup guide: Missouri Contractor License Requirements
• Contract template: Missouri Homeowner-Contractor Agreement
• Missouri hub: Missouri Contractor License & Permit Hub

Frequently Asked Questions

Cassville Building Permit FAQ

Do I need a building permit in Cassville, MO?

Section 500.030(A) of the Cassville Code mandates permits for any residential renovation, new construction, addition, or structural alteration; Section 500.030(B) extends the requirement to commercial work regulated by the IBC

How much does a building permit cost in Cassville, MO?

The minimum permit fee is $50 for most building permits; other permits (decks, porches, signs) start at $25. Fees are calculated as: New residential construction $0.30/sf, garages/carports $0.15/sf, residential remodeling $0.20/sf; commercial new construction $0.50/sf, remodeling $0.50/sf, and attachment/detached accessory structures use reduced per-square-foot rates. Plan check fee: Embedded in the stated per-square-foot valuation; “new commercial construction” and “remodeling” per-sf rates cover plan review and inspections.

How do I apply for a building permit in Cassville, MO?

1. Gather the completed residential or commercial building permit application, site plan, floor plans, and construction estimate (the residential pdf explicitly asks for a construction plan with the application) 2. Submit the documents via the iWorQ portal or deliver them to City Hall; triple fees are assessed for work that starts before permit approval 3. The Building Inspector reviews plans against the adopted codes (IBC 2018 + amendments) and charges the fee schedule tied to the project type 4. Schedule the required inspections (framing, mechanical, final, etc.); once inspections pass, the department issues the certificate of occupancy and closes the permit

How long does it take to get a building permit in Cassville, MO?

Typical processing time is Not published publicly.

What work is exempt from building permits in Cassville, MO?

The following work is generally exempt: Maintenance or repairs that do not trigger building/structural, electrical, mechanical, or plumbing permits do not require a building permit under Cassville’s code.

How do I schedule a building inspection in Cassville, MO?

Inspections can be scheduled via: Applicants coordinate directly with the Building Inspector via City Hall (contact line 417-847-4441).