On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Asotin
The City of Asotin has adopted Washington State Building Codes. Permits are required for new residential and commercial construction, additions and structural alterations, decks, porches, and attached structures, accessory buildings (beyond exempt thresholds), re-roofing, window replacement, siding, mechanical work (plumbing, HVAC), and demolition.
Minor residential alterations with total valuation not exceeding $1,500 in any 12-month period, provided work does not affect structural components or reduce egress, light, air, or ventilation (electrical, plumbing, and mechanical are not included in this exemption)
One-story detached accessory buildings used as tool sheds, storage sheds, playhouses, and similar uses where the projected roof area does not exceed 120 square feet
Retaining walls not over 4 feet in height (from footing bottom to top of wall) that do not support a surcharge or impound liquids
Painting, floor covering, cabinet installation, and similar interior finish work
Fences below the locally specified height threshold
- Exempt Minor residential alterations with total valuation not exceeding $1,500 in any 12-month period, provided work does not affect structural components or reduce egress, light, air, or ventilation (electrical, plumbing, and mechanical are not included in this exemption)
- Exempt One-story detached accessory buildings used as tool sheds, storage sheds, playhouses, and similar uses where the projected roof area does not exceed 120 square feet
- Exempt Retaining walls not over 4 feet in height (from footing bottom to top of wall) that do not support a surcharge or impound liquids
- Exempt Painting, floor covering, cabinet installation, and similar interior finish work
- Exempt Fences below the locally specified height threshold
Note: Confirm exemption thresholds with the building department. Exempt work must still comply with building code and local zoning requirements.
Required documents
- Completed permit application form
- Site/plot plan
- Construction drawings (floor plan, foundation, elevations)
- Contractor's WA L&I registration number (if using a contractor)
- Building code
- 2021 International Building Code (IBC) with Washington amendments, effective March 15, 2024
- Owner-builder
- Property owners may apply for their own permits for work on their primary residence (owner-builder).
- Contractor requirements
- Contractors must be registered with Washington State Department of Labor & Industries (L&I) under RCW 18.27. Registration requires active bonding ($30,000 for general contractors; $15,000 for specialty contractors as of July 1, 2024) and workers' compensation compliance.
§ 03
Application process
Typical processing: Time varies; contact Building Department at (509) 243-4411.
- 01 Obtain the correct permit application form from cityofasotin.org or pick up at City Hall (121 Cleveland Street).
- 02 Prepare supporting documents including site plan, construction drawings, and contractor registration number.
- 03 Submit completed application and supporting documents to City of Asotin City Hall or mail to PO Box 517, Asotin, WA 99402.
- 04 City staff / Building Inspector reviews the submission.
- 05 Pay assessed fees at time of permit issuance.
- 06 Permit card is issued and must be posted on-site.
- 07 Call Building Inspector Bob Portlock at (509) 243-4411 before proceeding with inspectable work phases.
- 08 Schedule final inspection upon project completion.
Typical processing time: Time varies; contact Building Department at (509) 243-4411.
§ 04
Fee schedule
Asotin building permit fees
Fee type
Amount
01
Permit fee formula
Fees are set by city council resolution and may be amended periodically. Fees are generally calculated based on project valuation using a fee matrix consistent with the IBC/IRC tables adopted by the state.
Contact (509) 243-4411 to confirm current fees before submitting an application. A Washington State surcharge applies to all permits. Electrical permits are obtained separately through Washington State L&I.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- (509) 243-4411 (phone)
- Scheduling deadline
- Call Building Inspector before proceeding with any inspection stage.
- Inspection hours
- Confirm by phone; City of Asotin is a small municipality — hours may be limited.
Typical sequence: Typical stages: foundation/footing (before pour), rough framing, rough plumbing/mechanical, insulation (if required), final inspection. Approved plans and permit card must be on-site at all inspections.
§ 06
Frequently asked
Common questions about Asotin permits
01 Do I need a building permit in Asotin, WA? ▸
The City of Asotin has adopted Washington State Building Codes. Permits are required for new residential and commercial construction, additions and structural alterations, decks, porches, and attached structures, accessory buildings (beyond exempt thresholds), re-roofing, window replacement, siding, mechanical work (plumbing, HVAC), and demolition.
02 How much does a building permit cost in Asotin, WA? ▸
Building permit fees in Asotin, WA are set by the local building department and vary by project type and valuation. Fees are calculated as: Fees are set by city council resolution and may be amended periodically. Fees are generally calculated based on project valuation using a fee matrix consistent with the IBC/IRC tables adopted by the state..
03 How do I apply for a building permit in Asotin, WA? ▸
To apply for a building permit in Asotin, WA, follow these steps: 1. Obtain the correct permit application form from cityofasotin.org or pick up at City Hall (121 Cleveland Street). 2. Prepare supporting documents including site plan, construction drawings, and contractor registration number. 3. Submit completed application and supporting documents to City of Asotin City Hall or mail to PO Box 517, Asotin, WA 99402. 4. City staff / Building Inspector reviews the submission. 5. Pay assessed fees at time of permit issuance. 6. Permit card is issued and must be posted on-site. 7. Call Building Inspector Bob Portlock at (509) 243-4411 before proceeding with inspectable work phases. 8. Schedule final inspection upon project completion.
04 How long does it take to get a building permit in Asotin, WA? ▸
Building permit processing times in Asotin, WA typically run Time varies; contact Building Department at (509) 243-4411.. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Asotin, WA? ▸
Not all construction work requires a permit in Asotin, WA. The following work is generally exempt: Minor residential alterations with total valuation not exceeding $1,500 in any 12-month period, provided work does not affect structural components or reduce egress, light, air, or ventilation (electrical, plumbing, and mechanical are not included in this exemption); One-story detached accessory buildings used as tool sheds, storage sheds, playhouses, and similar uses where the projected roof area does not exceed 120 square feet; Retaining walls not over 4 feet in height (from footing bottom to top of wall) that do not support a surcharge or impound liquids; Painting, floor covering, cabinet installation, and similar interior finish work; Fences below the locally specified height threshold. Note: Confirm exemption thresholds with the building department. Exempt work must still comply with building code and local zoning requirements. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Asotin, WA? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Asotin, WA via: (509) 243-4411. Call Building Inspector before proceeding with any inspection stage..
last verified April 2026
source City of Asotin Public Works (Building Permits) ↗
entry id permits/washington/asotin/asotin
Educational reference. Permit rules and fees change — confirm current requirements directly with City of Asotin Public Works (Building Permits) before applying. Jaspector is not legal advice.