ADU Pass
Bunnell
ADU Pass helps homeowners in Bunnell, Flagler County, Florida navigate the permit paperwork for building an accessory dwelling unit. This area covers 1 ZIP code.
Map
ADU details
ADU legality: allowed-with-restrictions
Bunnell is the Flagler County seat, incorporated 1913. The city is geographically the largest in Flagler County by area (138 sqmi) with extensive rural/agricultural pockets and a small downtown. Major employer is Florida Hospital Flagler.
Cost scenarios
| Scenario | Sq ft | Permit | Build | Total |
|---|---|---|---|---|
| minimum | 200 | $2,200 | $41,000 | $43,200 |
| 600 | 600 | $2,200 | $123,000 | $125,200 |
| midpoint | 600 | $2,200 | $123,000 | $125,200 |
| maximum | 1,000 | $2,200 | $205,000 | $207,200 |
Fee breakdown (as of 2026-04)
Permitting process
Viability (permitted uses)
- Long-term rental: yes Long-term rental permitted; Flagler County workforce demand.
- Short-term rental: with-restrictions Florida § 509.032 partially preempts STR regulation. Bunnell STR demand is modest; primary visitors are I-95 corridor travelers and Flagler Beach overflow.
- Office rental: with-restrictions Detached office rental requires home occupation permit.
- Home office: yes Home occupation permitted.
- Studio / workshop: yes Personal artist studio is a permitted accessory use.
- Agriculture: yes Bunnell's large rural area includes substantial agricultural-zoned parcels; livestock allowed there.
- Relative support: yes Family-occupancy ADU permitted; § 193.703 FS granny-flat reduction available.
Incentives
Contacts
Utilities
- Water: City of Bunnell Water (in city); private well in rural areas · 30d connect · $4,500
- Sewer: City of Bunnell Wastewater; FDOH septic in rural areas · 30d connect · $6,500
- Electric: Florida Power & Light (FPL) · 21d connect · $1,800
- Gas: LP / propane (no natural gas mains in most Bunnell areas) · 30d connect · $1,500
Property values & taxes
Construction timeline
Realistic total: best 8mo · typical 12mo · worst 17mo
Modular pathway inspectors are occasional with modular
Financing
State ADU loans:
Insurance impact
HOA prevalence & preemption
Newer Bunnell subdivisions carry HOAs; legacy in-town and rural parcels are HOA-free.
Regulatory overlays (3)
- flood-zone
FEMA SFHAs along Crescent Lake / Haw Creek / Lake Disston corridors. Most central Bunnell parcels are inland Zone X. - wetland-overlay
Bunnell's large rural area includes substantial wetlands subject to FDEP and SJRWMD permitting. - wui-fire-zone
Pine timberland adjacency; Florida Forest Service WUI moderate exposure.
Technical envelope (climate & building code)
Climate & energy code
Building code
Amendments:
- Amendment
- Amendment
Legal history (timeline)
Current ordinance: City of Bunnell Code of Ordinances — Land Development Code, adopted 2009-01-01, last amended 2024-01-01
- 1913-04-01 — City of Bunnell incorporated (city-charter)
Bunnell incorporated as a Florida municipality.
Effect: Established municipal land-use authority. - 2007-07-01 — Florida Statutes § 163.31771 enacted (state-statute)
Authorized Florida local governments to adopt ADU ordinances.
Effect: Permissive Florida ADU framework.
Known issues (2)
- other — Hurricane Matthew (2016), Irma (2017), and Ian (2022) rebuild memory drives elevated coastal/storm construction standards across Flagler County.
- other — Wetland and SJRWMD permitting on rural Bunnell parcels can stretch timelines.
Flagler County — county ADU rules and overlays
County ADU ordinance
Flagler County regulates accessory dwelling units on unincorporated parcels through the Flagler County Land Development Code (LDC), administered by Flagler County Growth Management. Flagler is a small, fast-growing Atlantic-coastal county between St. Johns (north) and Volusia (south); the dominant population center is the City of Palm Coast, a large master-planned community platted by ITT Community Development Corporation in the late 1960s and incorporated in 1999. Other incorporated jurisdictions are Bunnell (county seat), Flagler Beach, Beverly Beach, and Marineland. Unincorporated Flagler includes western agricultural parcels and the Matanzas-area coastal/riverine zone. § 163.31771 FS is permissive only; Flagler's ADU rules arise from local zoning.
State-floor overlay: No Florida statewide ADU preemption floor exists as of April 2026. SB 48 / HB 313 (2026 session) is the active preemption bill. Flagler retains full discretion until enactment.
County regulatory overlays
Flagler County administers flood, coastal, and wetland overlays. Atlantic-front parcels (primarily in Flagler Beach and Beverly Beach) face VE-zone flood mapping and CCCL exposure; inland riverine and wetland parcels along Pellicer Creek, the Matanzas River, and the Intracoastal Waterway face AE-zone mapping.
- FEMA Special Flood Hazard Areas (SFHA) — AE zones are extensive along the Intracoastal Waterway, Matanzas River, and tidal marshes. VE zones affect Atlantic frontage. ADUs in SFHA require elevation, flood vents, and flood-resistant materials.
- Coastal Construction Control Line (CCCL) — Atlantic-front Flagler parcels seaward of the CCCL require state DEP permit in addition to county approval. Applicable to Flagler Beach, Beverly Beach, and Marineland primarily.
- Guana Tolomato Matanzas National Estuarine Research Reserve (GTM NERR) / Matanzas River Aquatic Preserve — Northern Flagler parcels on the Matanzas River fall within the GTM NERR and Matanzas River Aquatic Preserve. Enhanced wetland and water-quality review applies to ADUs on adjacent parcels.
- St. Johns River Water Management District Wellhead Protection — Parcels within mapped wellhead-protection zones face enhanced septic-siting review.
- Wildland-Urban Interface (WUI) — Western and inland Flagler tracts abutting pine-flatwoods face moderate WUI exposure.
County permitting (unincorporated parcels)
Permits for ADUs on unincorporated Flagler County parcels are issued by Flagler County Growth Management. Unincorporated Flagler is substantially smaller in population than Palm Coast but covers the majority of the county's land area, including western agricultural tracts and the Matanzas-area coastal/riverine fringe.
Florida state — ADU law and programs
State ADU law
Florida does NOT currently have a statewide ADU preemption law in effect. Florida Statutes § 163.31771 (enacted 2004, last amended 2020) is permissive — it authorizes local governments to adopt ADU ordinances but does not require them to. ADU rules are therefore set municipality-by-municipality: Miami-Dade, Orlando, St. Petersburg, Tampa, and a growing set of Florida cities have their own ordinances; many smaller counties and cities still prohibit or restrict ADUs by default. A preemption bill (SB 48 / HB 313) is pending in the 2026 legislative session and is likely to pass given that its 2025 predecessor cleared the Senate 37-0 and House 97-10 before dying on a procedural amendment dispute.
- Florida Statutes § 163.31771 — Accessory dwelling units — Permissive (not mandatory) statute. Defines an ADU as 'an ancillary or secondary living unit, that has a separate kitchen, bathroom, and sleeping area, existing either within the same structure, or on the same lot, as the primary dwelling unit.' Authorizes — but does not require — local governments to adopt ordinances allowing ADUs in single-family residential zones. Contains no size caps, no owner-occupancy rules, no HOA preemption. All substantive rulemaking is local.
State financing programs
Florida Housing Finance Corporation (FHFC) does not operate an ADU-specific state loan or grant program. FHFC's primary affordable-housing lever at the ADU tier is the State Housing Initiatives Partnership (SHIP), which distributes state documentary-stamp-tax revenue to all 67 counties and 52 entitlement cities for locally-administered housing programs — some of which may fund ADU construction at the local level (notably Orange County's Affordable ADU Loan Program, run through the Orange County Housing Finance Trust). FHFC's FL Assist down-payment programs and HFA Preferred / HFA Advantage conventional loans apply to ADU-eligible primary residences but do not single out ADUs. Proposed CS/SB 1440 would create a state property-tax exemption of up to 100% of assessed value for an ADU rented at affordable rates.
State housing programs
Florida does not currently operate a statewide pre-approved ADU plan catalog (unlike California or Washington). State-level ADU implementation is driven by (a) the permissive § 163.31771 which lets willing jurisdictions adopt ordinances, (b) SHIP pass-through funding to local ADU programs (Orange County's Affordable ADU Loan Program is the model), and (c) the affordable-housing property-tax exemption under the Live Local Act (SB 102 / SB 328). The Department of Economic Opportunity (DEO) — now reorganized as the Department of Commerce — provides technical assistance to local governments but no statewide ADU-specific mandate or program. Major counties (Miami-Dade, Orange, Pasco, Hillsborough, Pinellas, Broward) have published their own ADU ordinances and guidance documents.
Federal (United States) — ADU-relevant rules and programs
Federal ADU law
The United States has no federal statute that directly regulates accessory dwelling unit entitlement or design. Land-use authority over ADUs resides with states and local governments under the traditional police power. Federal engagement is limited to financing (Fannie/Freddie/FHA/VA/USDA), flood insurance (FEMA/NFIP), and discretionary housing programs (HUD), which are recorded in sibling sections of this file.
Federal financing programs
Federal housing-finance agencies and GSEs set nationwide underwriting rules that govern whether an ADU can be financed, appraised, and counted toward mortgage qualifying income. The relevant actors are Fannie Mae, Freddie Mac, FHA (HUD), VA, and USDA Rural Development.
Federal tax credits
There is no ADU-specific federal tax credit. ADUs may incidentally qualify for existing federal energy-efficiency and clean-energy tax credits when the ADU construction includes qualifying measures.
Federal housing programs
HUD administers several discretionary programs that can fund ADU-related activity at the grantee's election, but none is an ADU-specific program.
ZIP Code
- 32110
Post Office
- 704 E Moody Blvd, 32110