Start with Fortune ADU – San Diego’s Leading ADU Permit Expert
Before you hire a builder, it’s essential to know what’s allowed on your property—that’s where Fortune ADU comes in. They're one of San Diego’s top ADU permit providers, helping homeowners get started the smart way.
What Fortune ADU Does:
Feasibility Analysis – Know what type and size of ADU you can build on your property
Permit Management – They handle zoning codes, setbacks, and city approvals
Fee Waiver Navigation – Help you qualify for SB 13 impact fee waivers (ADUs under 750 sq ft)
Builder Matching – Connect you with licensed, vetted builders
If you want to avoid months of red tape and guesswork, Fortune ADU is your best first step.
Top ADU Builders Near Me in San Diego
Once you’ve got permits moving through Fortune ADU, you’ll want to hire a trusted ADU builder to bring your vision to life. These builders specialize in garage conversions, detached ADUs, backyard cottages, and multi-story additions.
1. SnapADU – Full-Service Design + Build
SnapADU is one of the most popular ADU builders in the San Diego area, offering in-house design, engineering, permitting, and construction.
Specialty: Custom detached ADUs (no prefabs)
Transparency: Offers detailed pricing, timelines, and project scopes online
Cost Range: $300K–$600K depending on size and complexity
2. OneStop ADU – Simplified, Pre-Approved Plans
Perfect for homeowners who want a streamlined ADU build, OneStop ADU offers a catalog of pre-designed units between 400–1,200 sq ft.
Specialty: Pre-approved plans, solar-ready ADUs
Services: Architectural design, permitting, utilities, and construction
Ideal For: First-time builders or budget-conscious homeowners
3. Elevated Remodeling – Transparent & Modern
Known for its modern style and detailed pricing, Elevated Remodeling is a San Diego builder that emphasizes energy-efficient and stylish ADUs.
Specialty: Custom and garage conversion ADUs
Typical Price: $325K–$575K
Timeline: 9–15 months (design to completion)
4. Leon Design & Build – Personalized ADUs with 3D Renders
If you want a custom-tailored ADU with a high level of design support, Leon Design & Build is a licensed firm offering 3D modeling, permit support, and construction.
Specialty: Complex ADUs, hillside lots, and urban zoning
License: CSLB #1125806
5. Caliber Construction & Remodeling – Efficient ADU Additions
A local favorite for smaller in-law units and guesthouses, Caliber offers energy-efficient ADU builds for residential clients across San Diego County.
Specialty: Small- to mid-size detached ADUs and home additions
Known For: Craftsmanship, value engineering, and remodeling integration
How Much Does It Cost to Build an ADU in San Diego?
| ADU Type | Size | Estimated Cost | Timeline |
|---|---|---|---|
| Garage Conversion | 350–500 sq ft | $150K–$250K | 6–9 months |
| Detached ADU | 500–1,200 sq ft | $300K–$600K+ | 9–15 months |
| Two-Story ADU | 700–1,200+ sq ft | $450K–$700K+ | 12–18 months |
These ranges vary based on finishes, utility upgrades, grading, and permit costs—working with Fortune ADU can help reduce surprises early in the planning stage.
FAQ
Final Thoughts: Build Smarter with the Right Team
The success of your ADU project in San Diego comes down to:
Starting with the right permit strategy
Choosing a builder who fits your style, budget, and timeline
Staying on top of local zoning rules, timelines, and fees
Then explore trusted builders like SnapADU, OneStop, or Leon Design & Build to bring your ADU to life.
Related Articles:
California Pre‑Approved ADU Plans & Fast‑Track Permits
