On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Smithville
New construction, additions, decks, pools, fences, roof repairs, and trade work; mechanical/plumbing permits require separate applications. citeturn36view3
Minor finish work, paint, and small decks/fencing that fall below the thresholds described in the owner’s guide. citeturn36view4
- Exempt Minor finish work, paint, and small decks/fencing that fall below the thresholds described in the owner’s guide. citeturn36view4
Required documents
- When a permit is required: New construction, additions, decks, pools, fences, roof repairs, and trade work; mechanical/plumbing permits require separate applications. citeturn36view3
- Required documents: Site plan, floor plan, contractors’ licenses/certificates, and owner-builder paperwork if applicable. citeturn36view3
- Permit validity/expiration: Not specified online; call the building office for extension details. citeturn38view0
- Owner-builder rules if available: Homeowners may apply after submitting proof of ownership and agreeing to inspections. citeturn36view3
- Contractor license requirements: Contractors must provide business licenses and insurance before permits are issued. citeturn36view3
- Building code adopted: 2018 International Building and Residential Codes (per the building guidelines packet). citeturn36view4
- Building code
- 2018 International Building and Residential Codes (per the building guidelines packet). citeturn36view4
- Permit validity
- Not specified online; call the building office for extension details. citeturn38view0
- Owner-builder
- Homeowners may apply after submitting proof of ownership and agreeing to inspections. citeturn36view3
- Contractor requirements
- Contractors must provide business licenses and insurance before permits are issued. citeturn36view3
§ 03
Application process
Typical processing: Standard review times are listed in the building guidelines (around two weeks for typical residential projects). citeturn36view4
- 01 Request the appropriate permit packet using the online forms link, fill out the owner/contractor information, and include a cost estimate. citeturn38view0
- 02 Attach plans, site dimensions, and supporting documentation (e.g., deed or closing statement for owner-builder submittals). citeturn36view3
- 03 Staff reviews the submission, relays comments via email, and returns the application with the permit number when approved. citeturn36view3
- 04 Pay fees and schedule inspections through email or phone. citeturn38view0
Typical processing time: Standard review times are listed in the building guidelines (around two weeks for typical residential projects). citeturn36view4
§ 04
Fee schedule
Smithville building permit fees
Fee type
Amount
01
Minimum permit fee
Listed in the packet (smallest project fees start around ). citeturn36view3
02
Plan check fee
Included in the permit fee; plan review considerations are outlined in the packet. citeturn36view3
03
Permit fee formula
Valuation-based with separate charges for trade permits shown in the packet. citeturn36view3
04
Reinspection fee
Assessed for unready sites or deviation from approved plans (per the guidelines). citeturn36view4
Payments accepted in person or mailed to City Hall; receipts are provided on request. citeturn38view0
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- Call 816-532-3897 or email the building division after the permit is issued. citeturn38view0 ()
- Inspection hours
- Inspections arranged around City Hall business hours; inspector availability is confirmed by office staff. citeturn38view0
Typical sequence: Footing, framing, trade-specific (electrical/mechanical/plumbing), and final. citeturn36view3
§ 06
Frequently asked
Common questions about Smithville permits
01 Do I need a building permit in Smithville, MO? ▸
New construction, additions, decks, pools, fences, roof repairs, and trade work; mechanical/plumbing permits require separate applications. citeturn36view3
02 How much does a building permit cost in Smithville, MO? ▸
Building permit fees in Smithville, MO are set by the local building department and vary by project type and valuation. The minimum permit fee is Listed in the packet (smallest project fees start around ). citeturn36view3. Fees are calculated as: Valuation-based with separate charges for trade permits shown in the packet. citeturn36view3. Plan check fee: Included in the permit fee; plan review considerations are outlined in the packet. citeturn36view3.
03 How do I apply for a building permit in Smithville, MO? ▸
To apply for a building permit in Smithville, MO, follow these steps: 1. Request the appropriate permit packet using the online forms link, fill out the owner/contractor information, and include a cost estimate. citeturn38view0 2. Attach plans, site dimensions, and supporting documentation (e.g., deed or closing statement for owner-builder submittals). citeturn36view3 3. Staff reviews the submission, relays comments via email, and returns the application with the permit number when approved. citeturn36view3 4. Pay fees and schedule inspections through email or phone. citeturn38view0
04 How long does it take to get a building permit in Smithville, MO? ▸
Building permit processing times in Smithville, MO typically run Standard review times are listed in the building guidelines (around two weeks for typical residential projects). citeturn36view4. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Smithville, MO? ▸
Not all construction work requires a permit in Smithville, MO. The following work is generally exempt: Minor finish work, paint, and small decks/fencing that fall below the thresholds described in the owner’s guide. citeturn36view4. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Smithville, MO? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Smithville, MO via: Call 816-532-3897 or email the building division after the permit is issued. citeturn38view0.
last verified April 2026
entry id permits/missouri/clay/smithville
Educational reference. Permit rules and fees change — confirm current requirements directly with Smithville Community Development/Building, Zoning & Floodplain Coordinator. citeturn38view0 before applying. Jaspector is not legal advice.