Driveway Permit Requirements in Union Gap, WA
Washington adopted 2021 IRC effective March 15, 2024.
By Joey, Founder · Last verified March 29, 2026 · How we research →
When you don’t need a Driveway permit in Union Gap
Replacing an existing driveway in the same footprint with no changes to the curb cut is generally exempt from permit requirements.
When you need a Driveway permit in Union Gap
Any new curb cut requires an encroachment or right-of-way permit. This involves work in the public right-of-way and must meet ADA sidewalk crossing requirements. Contact your city's public works department.
New driveways require a permit. If a new curb cut is needed, an encroachment or right-of-way permit is also required for work in the public right-of-way. The driveway must meet width limits and impervious surface requirements.
Widening or extending an existing driveway typically requires a permit because it increases impervious surface coverage and may affect drainage. If the widening involves a modified curb cut, a right-of-way permit is also required.
What Makes Union Gap Different
Here's how Union Gap's driveway rules stack up against the standard IRC baseline that most of the country follows.
Stricter Than the IRC
Any new curb cut requires an encroachment or right-of-way permit. This involves work in the public right-of-way and must meet ADA sidewalk crossing requirements. Contact your city's public works department.
New driveways require a permit. If a new curb cut is needed, an encroachment or right-of-way permit is also required for work in the public right-of-way. The driveway must meet width limits and impervious surface requirements.
Widening or extending an existing driveway typically requires a permit because it increases impervious surface coverage and may affect drainage. If the widening involves a modified curb cut, a right-of-way permit is also required.
1 rule match the IRC baseline, no surprises there.
Driveway Permit Costs: Union Gap vs. Nearby
Union Gap comes in on the low side for Washington. You're looking at $112 – $750 here, compared to the state average of $162 – $600.
| City | Estimated Fee |
|---|---|
| Union Gap | $112 – $750 |
| Seattle | $112 – $750 |
| Spokane | $112 – $750 |
| Tacoma | $112 – $750 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all Union Gap permit costs →
Zoning Considerations
Driveways that require a new curb cut involve public right-of-way work and always need a permit. Driveway width and impervious surface limits vary by city.
Estimated Project Timeline in Union Gap
Here's a typical timeline for a driveway project in Union Gap, WA:
Timeline is based on Union Gap's typical about 3 weeks permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.
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Frequently Asked Questions
Estimated permit fees for Driveway projects in Union Gap, WA range from $112 – $750. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Driveway projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in Union Gap can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Driveway permits in Union Gap is about 3 weeks. More complex projects may take longer if plan review is required.
Learn More About Driveway Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Driveway Guide →