County building permit guide
Seminole County, Florida — Building Permits building permits — complete guide (2026)
Seminole County is one of Central Florida’s most desirable suburbs with highly rated schools and a booming residential construction market. The county uses Accela for online permitting.
Central Florida
Inland
Online Permits
ADU-Friendly
$150–$850Avg permit cost
2–6 weeksProcessing time
~65,000/yrPermits/year
YesADU-friendly
Ready to apply for your Seminole County, Florida — Building Permits permit?
Casselberry, Lake Mary, Longwood, Oviedo, Sanford, Winter Springs, and Altamonte Springs each operate independent building departments within the county.
Apply at Seminole County Building Division ↗
Seminole County, Florida — Building Permits Building Department
Yes
Seminole County Development Services — Building Division
(407) 665-7050
Mon–Fri 8:00 AM–5:00 PM
1101 E. 1st St., Sanford, FL 32771
Accela Citizen Access
Seminole County is inland and not in the HVHZ or Wind-Borne Debris Region for most of its area. Projects near Lake Monroe and the St. Johns River may be in FEMA flood zones — verify your flood zone before designing.
Permit fees — Seminole County, Florida — Building Permits, 2026
| Permit type | Fee range | Processing | Notes |
|---|---|---|---|
| Residential Re-Roof | $150–$400 | 3–10 days | No HVHZ; standard FBC wind requirements apply |
| HVAC Replacement | $75–$200 | 1–5 days | Mechanical permit; FL-licensed HVAC contractor required |
| Room Addition | $500–$1,500 | 3–6 weeks | Plans required; energy code compliance |
| New Home Construction | $1,500–$5,000 | 6–10 weeks | Full plan review; separate trade permits required |
| Swimming Pool | $400–$1,000 | 4–8 weeks | 5-ft barrier fence required; bonding inspection required |
| ADU | $500–$2,000 | 4–8 weeks | County is proactively ADU-friendly; state preemption applies |
| Solar Panels | $150–$350 | 3–10 days | SolarAPP+ may be available; check with jurisdiction |
| Electrical Panel | $150–$300 | 1–5 days | Licensed electrical contractor required |
How to get a permit in Seminole County, Florida — Building Permits
1
Verify your municipality
Seminole County has 7 incorporated cities. Only properties in unincorporated Seminole County use the county building division. Check the Seminole County Property Appraiser site.
2
Access Accela Citizen Access
Create an account at the countyu2019s Accela portal for applications, plan uploads, payments, and inspection scheduling.
3
Submit plans and documents
Simple permits require minimal documents. Additions and new construction need signed and sealed plans from a Florida-licensed design professional.
4
Pay permit fees
Fees are assessed based on project valuation. Seminole Countyu2019s fees are moderate compared to Orange County.
5
Schedule inspections
All work requires inspections. Seminole Countyu2019s inspection turnaround is typically 1–2 business days.
6
Close your permit
All trades must pass final inspections before the master permit closes. New construction requires a Certificate of Occupancy.
Jurisdictions within Seminole County, Florida — Building Permits
Special zone requirements
Inland Wind Zone
Most of Seminole County
Standard FBC wind requirements — not in HVHZ or Wind-Borne Debris Region. Impact windows not required unless local ordinance specifies.
FEMA Flood Zones
St. Johns River and Lake Monroe areas
AE flood zones along the St. Johns River corridor require elevation compliance.
Frequently asked questions — Seminole County, Florida — Building Permits
Does Seminole County require impact windows?
No — Seminole County is inland and not in the Wind-Borne Debris Region or HVHZ. Standard double-pane windows that meet FBC energy code requirements are acceptable.
Is Seminole County ADU-friendly?
Yes. Seminole County has embraced Floridau2019s ADU preemption law and allows ADUs in single-family residential zones with one of Central Floridau2019s more streamlined ADU processes.
How long do permits take in Seminole County?
Simple permits are typically approved within 1–5 business days online. Room additions and new construction take 3–6 weeks for plan review.
What cities have their own building departments in Seminole County?
Altamonte Springs, Casselberry, Lake Mary, Longwood, Oviedo, Sanford, and Winter Springs each have independent building departments.
Can I pull my own permit in Seminole County?
Yes. Florida owner-builder law allows you to pull permits for your primary residence with a disclosure form. Licensed trade contractors are still required for electrical, plumbing, and HVAC.
US Census Bureau BPS · Seminole County Development Services · Florida Building Code (7th Ed.)