ADU Rules & Zoning in Spring Hill, Florida (2026)
What ADU can you build in your Spring Hill backyard?
Instantly check eligibility for Accessory Dwelling Units (ADUs), like Guest Houses, Garage Conversions, and In-Law Suites.
Spring Hill 2026 ADU Requirements Snapshot
ADU rules for Spring Hill, Hernando County. Verify all requirements with local planning.
What this means for your lot
- Use the address checker first to verify parcel-specific zoning.
- Confirm setbacks and lot geometry before spending on plans.
- Check short-term rental rules carefully — they vary significantly by city.
Key gotchas
- Spring Hill has no city government — do not contact a 'City of Spring Hill'; permits go through Hernando County Planning and Zoning
- Subdivision deed restrictions in Spring Hill are commonly recorded and actively enforced — pull your title and recorded plat before planning
- Inland location means lower construction costs but also significantly lower rental rates than Tampa Bay or coastal markets
Building Limits
- Max Size:1000 sq ft
- Setbacks:5ft side / 10ft rear
- Detached Allowed?Yes
- Max Height:25 ft
- Build Cost Est.:$75,000–$150,000
Rental Rules
No Owner-Occupancy Requirement: Both units can be rented to tenants simultaneously.
Short-Term Rentals: Not prohibited at the city level. State DBPR license required.
Estimated Monthly Income
$800–$1,300/month
Based on 2025–2026 Spring Hill market data
Key ADU Restrictions in Spring Hill
- Spring Hill is unincorporated Hernando County — permits and approvals go through the county, not a city building department
- Deed restrictions are common throughout Spring Hill subdivisions — many were platted with HOA covenants restricting rental use
- Hernando County building department requires all ADU work to be fully permitted and inspected — no owner-builder exemptions for rental units
Common Mistakes to Avoid in Spring Hill
- Spring Hill has no city government — do not contact a 'City of Spring Hill'; permits go through Hernando County Planning and Zoning
- Subdivision deed restrictions in Spring Hill are commonly recorded and actively enforced — pull your title and recorded plat before planning
- Inland location means lower construction costs but also significantly lower rental rates than Tampa Bay or coastal markets
Eligible Zones in Spring Hill
Spring Hill ADU — Frequently Asked Questions
Can I build an ADU in Spring Hill, Florida?
ADUs are permitted in eligible residential zones in Spring Hill under Florida SB-48 (2026). Confirm your parcel zoning with the Hernando County Property Appraiser or city planning office.
What is the maximum ADU size in Spring Hill?
Maximum ADU size in Spring Hill varies by zoning district. Florida SB-48 prohibits size limits below 1,000 sq ft for compliant applications. Verify current local limits.
Do I need to be an owner-occupant to build an ADU in Spring Hill?
Spring Hill does not require owner-occupancy. Both the primary home and ADU can be rented to tenants simultaneously.
Can I use my Spring Hill ADU as an Airbnb?
Spring Hill does not prohibit short-term rentals at the city level. You must obtain a Florida DBPR Vacation Rental Dwelling license.
How do I get an ADU permit in Spring Hill?
ADU permits in Spring Hill follow standard Florida residential building permit workflow. Contact Hernando County building department for current requirements.
Spring Hill Planning Department
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Serving homeowners in 34606, 34607, 34608, 34609, 34610 and surrounding Spring Hill zip codes.
This page provides general information based on current ordinances and publicly available data as of March 2026. Zoning rules change — verify all requirements with your local planning department before making financial commitments.