ADU Permit Requirements in New Port Richey, FL
City of New Port Richey is the AHJ for ZIP 34653 areas inside city limits. The city is only about 4 sq mi; ZIP 34653 also covers large portions of unincorporated Pasco County (which is permitted by Pasco County Building Construction Services). Property owners should verify jurisdiction via the Pasco County Property Appraiser before applying. Permit applications: submit digitally to permitting@cityofnewportrichey.org or in-person at City Hall, 5919 Main Street. Tyler EnerGov Citizen Self Service portal (cityofnewportricheyfl-energovweb.tylerhost.net) is used for inspection scheduling, permit status, and license/registration lookups. Effective May 1, 2026, inspection requests are online-only via the portal. Enforced codes: 2023 Florida Building Code (8th Edition) including Residential, Existing Building, Mechanical, Plumbing, Test Protocols, Energy Conservation, Fuel Gas, Accessibility; 2023 NEC. Coastal city on the Pithlachascotee (Cotee) River with significant FEMA Special Flood Hazard Area (Zone AE) coverage and Coastal A Zone exposure near the river and Gulf inlets; substantial improvement / substantial damage rules apply (city publishes a Substantial Improvement worksheet). Hurricane wind zone: 140 mph Vult design wind per ASCE 7 for this part of Pasco. Windborne debris region; opening protection or impact-rated glazing required for new and replacement openings. HVHZ (FBC Section 1623) does NOT apply here (HVHZ is Miami-Dade/Broward only); standard FBC windborne debris provisions govern. Tree removal permits required for many species (City Code 8.02.00). General city switchboard: (727) 853-1016. Hours not published on the Building Division page; verify by calling Development Dept.
By Joey, Founder · Last verified May 23, 2026 · How we research →
When you need a ADU permit in New Port Richey
A detached accessory dwelling unit (ADU) requires building, plumbing, electrical, and mechanical permits. Confirm ADUs are allowed in the parcel's zoning district with City of New Port Richey Building Division at (727) 853-1047. Septic capacity must be reviewed by the Florida Department of Health in Pasco County. NOTE: ZIP 34653 spans both the City of New Port Richey (small ~4 sq mi area) and large unincorporated areas of Pasco County. If your address is within incorporated city limits, this dept applies; if unincorporated, contact Pasco County Building Construction Services.
An attached ADU (in-law suite, garage conversion with kitchen) requires building, plumbing, and electrical permits. Septic capacity must be reviewed by the Florida Department of Health in Pasco County if on septic. NOTE: ZIP 34653 spans both the City of New Port Richey (small ~4 sq mi area) and large unincorporated areas of Pasco County. If your address is within incorporated city limits, this dept applies; if unincorporated, contact Pasco County Building Construction Services.
ADU Permit Costs: New Port Richey vs. Nearby
New Port Richey comes in on the low side for Florida. You're looking at $500 – $2,000 here, compared to the state average of $762 – $3,934.
| City | Estimated Fee |
|---|---|
| New Port Richey | $500 – $2,000 |
| 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 New Port Richey permit costs →
Zoning & HOA 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.
If you live in an HOA community: hOAs have traditionally restricted ADUs, but state preemption laws in CA, OR, WA, and other states now limit HOA authority over ADUs. Check your state's ADU laws, your HOA may not be able to block construction even if CC&Rs appear to prohibit it.
Estimated Project Timeline in New Port Richey
Here's a typical timeline for a adu project in New Port Richey, FL:
Timeline is based on New Port Richey's 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
Estimated permit fees for ADU projects in New Port Richey, FL range from $500 – $2,000. Fees 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 in New Port Richey 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 in New Port Richey is about 4 weeks. More complex projects may take longer if plan review is required.
If you live in an HOA community, you may need architectural review approval in addition to a building permit. HOA rules and city building codes are separate, you may need to satisfy both. Review your CC&Rs and submit to your HOA's architectural review committee before starting work.
Learn More About ADU Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read ADU Guide →