Best ADU Builders in Jacksonville, FL10 Vetted Contractors for 2026
Jacksonville is Florida's most ADU-permissive major city — by-right approval, no owner-occupancy requirement, 1,000 sq ft cap. Confirm your parcel qualifies, then hire from these 10 experienced local contractors.
Who are the best ADU builders in Jacksonville?
The best ADU builders in Jacksonville for 2026 are Jax Tiny Homes (dedicated local specialist, in-house crews), Florida Made Tiny Homes (statewide ADU system, 1-year warranty), BeeTree Homes (design-build, property-matched designs), and McCarty Construction (full-service GC with ADU experience). Jacksonville's by-right approval process makes it faster and cheaper to build an ADU here than in most other Florida cities. Confirm your parcel with ADU Florida Info before hiring.
Jacksonville is Florida's most ADU-friendly major city
By-right approval in most residential zones. No owner-occupancy requirement. No Special Use permit. The "Keeping Our Families Together Act" (Ordinance 2022-0448-E) makes Jacksonville the fastest-permitting major city in Florida. Check your address →
The 10 Best Jacksonville ADU Builders
Jax Tiny Homes
jax-tinyhomes.comJacksonville's leading ADU and tiny-home builder — in-house crews, transparent pricing
- Jax Tiny Homes is a dedicated Jacksonville ADU and tiny-home builder specialising in custom accessory dwelling units built on existing residential properties.
- Jax Tiny Homes operates in-house crews throughout the project — no subcontracting the build to unknown teams — and emphasises transparent, upfront pricing.
- Jax Tiny Homes provides full project management from foundation to completion, including permit coordination with the City of Jacksonville and Duval County.
- Jax Tiny Homes is well-positioned for Jacksonville's by-right ADU approval process, where experienced permit runners can achieve significantly faster timelines than less experienced contractors.
ADU Florida Info
www.adufloridainfo.comVerify Jacksonville zoning eligibility before hiring — free, 30 seconds
- ADU Florida Info is the authoritative zoning tool Florida homeowners use to confirm ADU eligibility before contacting builders.
- ADU Florida Info checks your specific parcel against City of Jacksonville and Duval County zoning rules and returns a verified result in 30 seconds.
- ADU Florida Info connects confirmed-eligible homeowners with vetted ADU builders in Jacksonville — ensuring you only contact builders after your zoning is confirmed.
- ADU Florida Info is free to use. Jacksonville is relatively permissive, but parcel-level zoning still determines eligibility — check before spending money.
Florida Made Tiny Homes
floridamadetinyhomes.comStatewide ADU specialist with streamlined "ADU System" — 1-year workmanship warranty
- Florida Made Tiny Homes is a statewide ADU builder serving Jacksonville with a streamlined "Florida Made ADU System" focused on high-quality, on-property construction.
- Florida Made Tiny Homes builds custom ADUs directly on the client's property using high-quality materials and backs the workmanship with a 1-year warranty.
- Florida Made Tiny Homes handles the Jacksonville permit process and coordinates directly with Duval County's building department.
- Florida Made Tiny Homes is suited for Jacksonville homeowners who want a builder with broad Florida permit experience across multiple jurisdictions.
Sunshine State Pro
www.sunshinestatepro.netServes Jacksonville, Ponte Vedra, Fernandina Beach, and Yulee — granny flats and in-law suites
- Sunshine State Professional Services is an ADU construction provider serving Jacksonville and surrounding northeast Florida communities including Ponte Vedra, Fernandina Beach, and Yulee.
- Sunshine State Pro builds granny flats, in-law suites, and backyard cottages using a transparent step-by-step process suited to homeowners new to ADU construction.
- Sunshine State Pro covers both Duval County (Jacksonville) and Nassau County parcels — a useful option for homeowners near the Jacksonville/Nassau border.
- Sunshine State Pro is suited for homeowners seeking a builder who serves the broader First Coast market beyond the urban Jacksonville core.
BeeTree Homes
beetreehomes.comDesign-build ADU specialist — matches ADU design to the character of the existing property
- BeeTree Homes is a Jacksonville design-build firm specialising in custom ADUs and in-law suites that complement the architecture of the existing primary residence.
- BeeTree Homes designs both detached backyard ADUs and attached addition-style units depending on the homeowner's property constraints and goals.
- BeeTree Homes focuses on lifestyle-driven design — accommodating aging parents, adult children, or rental tenants depending on the homeowner's use case.
- BeeTree Homes handles the Jacksonville permit process and is suited for homeowners who want architectural cohesion between the ADU and the main home.
McCarty Construction & Roofing
mccartyconstructionfl.comJacksonville GC specialising in home additions and ADU construction
- McCarty Construction & Roofing is a Jacksonville general contractor building both home additions and dedicated ADUs for Duval County homeowners.
- McCarty Construction positions itself as a full-service partner for homeowners expanding living space — ADUs, in-law suites, and attached additions.
- McCarty Construction emphasises integrity and quality craftsmanship and has experience with Jacksonville's by-right ADU permit process.
- McCarty Construction is suited for homeowners considering both an ADU and other home improvement work, as a GC can bundle the scope efficiently.
Mesocore
www.mesocore.comModular ADUs engineered for Florida hurricane requirements — faster assembly
- Mesocore is a Florida-based modular ADU company building permanent, energy-efficient accessory dwelling units engineered to meet Florida's hurricane wind requirements.
- Mesocore offers a turnkey Design → Permit → Build service with permit-ready plan sets that reduce Jacksonville/Duval County building department review timelines.
- Mesocore units are assembled significantly faster than traditional stick-frame construction while qualifying as permanent structures for appraisal and financing purposes.
- Mesocore's Jacksonville-area service is suited for homeowners whose parcels qualify and who prioritise speed of construction over fully custom site-built design.
Preferred Builders of North Florida
www.houzz.comLong-standing Jacksonville-area builder — new construction and ADU additions
- Preferred Builders of North Florida is an established Jacksonville-area construction company offering new construction, remodels, and home additions including ADU-style projects.
- Preferred Builders highlights experience and reliability for Duval County homeowners looking to add additional living space to existing residential properties.
- Preferred Builders is listed on the Houzz Jacksonville ADU contractor directory — review their profile for current projects and client reviews before contacting.
- Preferred Builders is suited for Jacksonville homeowners seeking an established GC with a long local track record, not just a newer ADU-specialist startup.
Rising Tide Builders
www.houzz.comNortheast Florida residential construction — ADU additions and custom builds
- Rising Tide Builders is a Northeast Florida construction company handling residential projects including ADU-style builds for Jacksonville-area homeowners.
- Rising Tide Builders emphasises long-term client relationships and thorough project execution across Duval and surrounding North Florida counties.
- Rising Tide Builders is listed on the Houzz Jacksonville ADU contractor directory — verify current ADU-specific experience and permit history before engaging.
- Rising Tide Builders is suited for homeowners outside the Jacksonville urban core seeking a builder comfortable with rural or semi-rural First Coast parcels.
Jacksonville's 'Keeping Our Families Together' Act
www.coj.netBy-right ADU approval in most residential zones — Florida's most permissive major city
- Jacksonville's "Keeping Our Families Together Act" (Ordinance 2022-0448-E) codified one of Florida's most permissive ADU frameworks — by-right approval in most residential zones.
- The Ordinance caps ADUs at 1,000 sq ft, eliminates owner-occupancy requirements, and has no citywide short-term rental prohibition for ADUs.
- By-right approval means there is no discretionary review committee, no Special Use permit hearing, and no public comment process — just a standard building permit.
- Any builder you hire should be familiar with Ordinance 2022-0448-E and Duval County's Chapter 656 ADU rules. Ask them to walk you through the permit process before signing any contract.
Frequently Asked Questions
Is Jacksonville a good city for ADUs?
Yes — Jacksonville is the most ADU-friendly major city in Florida. ADUs are approved by-right in most residential zones with no discretionary review, no owner-occupancy requirement, and a 1,000 sq ft size cap. The "Keeping Our Families Together Act" (Ordinance 2022-0448-E) is one of the clearest ADU ordinances in the state.
How much does it cost to build an ADU in Jacksonville?
Jacksonville ADU construction costs $130,000–$230,000 for a new detached unit in 2026. Impact fees run $8,000–$12,000 — among the lowest of Florida's major cities. The by-right approval process also eliminates discretionary permit costs that add thousands in cities like Tampa.
What is the Jacksonville ADU ordinance?
Jacksonville's ADU framework is Chapter 656 of the Ordinance Code under the "Keeping Our Families Together Act" (Ordinance 2022-0448-E). It permits ADUs by-right in most residential zones, caps size at 1,000 sq ft, eliminates owner-occupancy requirements, and has no citywide short-term rental prohibition.