Unincorporated Pinellas County, Florida requires a building permit for work exceeding $500 in value or for work needing inspection1. County zoning rules apply in unincorporated Pinellas County, while municipalities have their own authorities and rules2. Septic permits go through the Florida Department of Health in Pinellas County3.
At a glance
- Building permit
- Required for work over $500 or any work needing inspection1
- Zoning
- County rules apply in unincorporated Pinellas; municipalities have separate rules2
- Owner-builder exemption
- Yes, with in-person affidavit verification and a valid state ID45
- Septic permits
- Florida Department of Health in Pinellas County, not FDEP directly36
- Residential lot size
- Varies by zoning district; listed examples run from 6,000 square feet to 2 acres7
- RV living on your own land
- Not confirmed; state RV-park rules cover licensed parks, not private land8
- Manufactured homes
- Limited to applicable zoning districts and subject to local dimensional standards9
Who to call
Building permits
Pinellas County Building and Development Review Services Department
Building permit review, zoning clearance and owner-builder affidavit verification for unincorporated Pinellas County
440 Court Street, Clearwater, FL 33756
Health department
Florida Department of Health in Pinellas County
Septic (OSTDS) permitting and inspection for Pinellas County
Contact details are copied from each office’s official page and were checked against it on September 29, 2026.
Do you need a building permit in unincorporated Pinellas County, Florida?
Yes. Pinellas County's Building and Development Review Services Department requires a building permit for work exceeding $500 in value or for work that needs inspection in unincorporated Pinellas County1. The Florida Building Code, 8th Edition (2023), is the statewide baseline10. A qualifying nonresidential farm building on land used for bona fide agriculture may be exempt from the building code and county code or fees, but the exemption does not cover a residence and floodplain rules still apply11.
Who is the Pinellas County building department, and how do you reach them?
The Pinellas County Building and Development Review Services Department is the permit contact for unincorporated Pinellas County1. Reach the office at 440 Court Street, Clearwater, FL 33756, or by phone at (727) 464-3888; its posted hours are Monday through Friday, 8 a.m. to 4 p.m.5. An owner-builder may begin an application but must appear in person with valid state-issued identification for affidavit verification; the owner-builder option does not remove the permit requirement54.
Does Pinellas County have zoning?
Pinellas County zoning regulations cover unincorporated Pinellas County; an incorporated municipality has its own authority and rules2. The parcel's district matters: listed residential minimums range from 6,000 square feet in R-3 to 2 acres in R-A, with other districts between those figures7. Setbacks also vary by district and use, and the published summary warns that footnotes and other Land Development Code requirements apply1213. Listed maximum heights include 35 feet in R-A and R-1 and 45 feet for specified R-5 uses14. Ask Development Review Services to verify the parcel's current district, allowed use, setbacks, height and lot coverage before designing; a general minimum dwelling size could not be confirmed.
How do septic permits work in Pinellas County?
Septic (OSTDS) permits in Pinellas County go through the Florida Department of Health in Pinellas County, not directly through the state Department of Environmental Protection36. Reach that office at (727) 538-7277 or by email at [email protected]6. Since 2021, Florida's DEP has taken over septic permitting and inspection directly in 16 counties, and Pinellas is not one of them, so your local county health department still handles it here6. Statewide, a septic permit requires a site evaluation of your specific lot, and for a new single-family home you can submit your OSTDS application alongside your building permit application, though all septic permitting requirements still apply on their own track15. Every soil sample assessed in Pinellas County under USDA data carries severe limitations for a conventional septic drain field, so budget for an engineered or alternative system and get a site evaluation before you commit to a purchase16.
Can you live in an RV or tiny home on your land in Pinellas County?
We could not confirm a general Pinellas County rule allowing occupancy of an RV or tiny home on private residential land; ask Development Review Services about the parcel and proposed use25. Florida's recreational-vehicle-park rule addresses transient stays in permitted parks or camps and does not establish permission to live in an RV on an ordinary residential parcel8. Manufactured homes have a clearer path only in applicable districts: the county summary identifies a Residential Mobile/Manufactured Home district with mobile-home parks and subdivisions subject to district-specific lot, space, setback and height standards9. A manufactured home also needs a certificate of occupancy after a compliant onsite installation inspection, while local zoning and setback rules remain applicable17.
Building a home in Pinellas County: the steps, in order
- Identify whether the parcel is unincorporated or inside a municipality, then confirm its zoning district and dimensional standards with the responsible planning authority213.
- Check legal access early; a new or replacement driveway in county right-of-way requires a Right of Way Utilization Form18.
- If the lot will use septic, begin the OSTDS application with the Florida Department of Health in Pinellas County and obtain the required site evaluation315.
- Choose a licensed contractor or complete the in-person owner-builder affidavit verification45.
- Apply for the building permit when work exceeds $500 or needs inspection1.
- For new construction in an A or V flood zone, include the county Flood Zone Application and determine whether substantial-improvement materials apply19.
- Complete required inspections and obtain the applicable occupancy approval before moving in20.
What to check before you buy land in Pinellas County
Before making an offer, verify whether the parcel is governed by Pinellas County or a municipality and obtain the current zoning district requirements213. Check lot size, setbacks and building height against the intended use rather than relying on the zoning summary alone71214. Confirm driveway approval if access crosses county right-of-way, and check whether new construction lies in an A or V flood zone1819. No assessed Pinellas County soil falls outside the severe-limitation category for a conventional septic drain field, so obtain a site evaluation before assuming a standard system will work1615. Private well permitting is required through the appropriate water-management district or delegated authority21. Typical property tax bills are about $2,324 per year at an effective rate near 0.7%2223.
Watch-outs
- We could not confirm a general Pinellas County rule allowing RV or tiny-home occupancy on private land; confirm the parcel and use with Development Review Services25.
- Every soil sample assessed in Pinellas County under USDA data carries severe limitations for a conventional septic drain field, so budget for an engineered system and get a site evaluation from the Florida Department of Health in Pinellas County before you buy166.
- A new or replacement driveway in county right-of-way requires a Right of Way Utilization Form18.
Sources
- Pinellas County Permitting Guide (2026 county census)
- Zoning & Land Use - Pinellas County, quoted and re-checked
- Florida Department of Health in Pinellas County - Onsite Sewage Disposal (2026 county census)
- Pinellas County Permitting Guide (2026 county census)
- Pinellas County Building and Development Review Services Department (pinellas.gov)
- Florida Department of Health in Pinellas County (pinellas.floridahealth.gov)
- Pinellas County Zoning District Summary, quoted and re-checked
- Florida Statutes Chapter 513: Mobile Home and Recreational Vehicle Parks (Florida statewide rule), quoted and re-checked
- Pinellas County Zoning District Summary, quoted and re-checked
- 61G20-1.001 Florida Building Code Adopted (Florida statewide rule), quoted and re-checked
- Florida Statutes § 604.50, Nonresidential farm buildings; farm fences; farm signs (Florida statewide rule), quoted and re-checked
- Pinellas County Zoning District Summary, quoted and re-checked
- Pinellas County Zoning District Summary, quoted and re-checked
- Pinellas County Zoning District Summary, quoted and re-checked
- OSTDS Construction Application (Florida statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Florida Statutes § 320.8285: Onsite inspection (Florida statewide rule), quoted and re-checked
- Pinellas County Building and Development Review Services Permitting Guide, quoted and re-checked
- Pinellas County Building and Development Review Services Permitting Guide, quoted and re-checked
- Florida Statutes § 553.791 — Private-provider inspections and certificates of occupancy (Florida statewide rule), quoted and re-checked
- Water Well Contractor Licensing and Permitting (Florida statewide rule), quoted and re-checked
- Median property tax bill: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
Written September 29, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.