ADU Permit Requirements in Trinity, FL
ZIP 34655 is the Trinity / west-Pasco area, which is UNINCORPORATED Pasco County, not inside the City of New Port Richey municipal limits. The USPS 'New Port Richey' label is only the postal name. For a 34655 residential address, building permits are issued by Pasco County Building Construction Services (Central Permitting), not by the City of New Port Richey. Permits are filed online via PascoGateway (Accela). Florida uses the statewide Florida Building Code, Residential (8th Edition, 2023).
By Joey, Founder · Last verified June 1, 2026 · How we research →
When you need a ADU permit
FL (unincorporated west Pasco County, ZIP 34655), an accessory dwelling unit (ADU) requires a building permit from Pasco County Building Construction Services plus electrical and plumbing permits, built to the Florida Building Code, Residential (8th Edition, 2023). Confirm that local zoning allows an ADU on the parcel and verify lot-size and setback rules with the county before designing. Apply through PascoGateway (Accela) at aca-prod.accela.com/pasco.
ADU Permit Costs: Trinity vs. Nearby
| City | Estimated Fee |
|---|---|
| Trinity | N/A |
| Jacksonville | $500 – $5,000 |
| Miami | $500 – $5,000 |
| Tampa | $500 – $5,000 |
Fees shown are estimates based on local building code data. Actual fees may vary based on project scope and valuation. See all Trinity permit costs →
Zoning Considerations
ADU regulations vary dramatically by state and city. Many states (CA, OR, WA) have preemption laws that override local zoning restrictions. Check both state law and local zoning before designing.
Estimated Project Timeline
Here's a typical timeline for a adu project:
Timeline is based on the typical about 4 weeks permit processing time. Actual timelines vary by project complexity, completeness of application, and current department workload.
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Frequently Asked Questions
Contact the building department for current ADU permit fee information. Fees typically vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller ADU 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 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 ADU permits is about 4 weeks. More complex projects may take longer if plan review is required.
Learn More About ADU Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read ADU Guide →