San Diego's ADU laws make it easier than ever to build. Brighthaus handles design, permits, and construction across all of San Diego County — one contract, all trades in-house.
Detached cottages, garage conversions, junior ADUs, attached additions — Brighthaus has the permits, plans, and crews to make it happen on time and on budget.
A fully separate backyard structure. Most flexible and highest-value — average $2,400/month in rental income.
Transform your existing garage into livable space. Cost-effective, fastest to permit, minimal site disruption.
Convert part of your primary home into a self-contained unit. Minimal construction, quick permitting.
An addition sharing one wall with your primary home. Perfect for limited backyard space.
Maximize square footage vertically on smaller lots. Best rental yield per square foot of land.
Skip months of design review with our library of city pre-approved plan sets. Faster permits, lower cost.
Most ADU builders sub out electrical, plumbing, and HVAC — adding weeks of scheduling delays. Brighthaus employs licensed tradespeople on staff, so your project never waits on a subcontractor.
C-10 licensed team handles all ADU electrical rough-in, sub-panel, and final trim.
C-36 licensed plumbers connect your ADU to water, sewer, and gas from start to finish.
C-20 licensed techs install mini-splits or central systems — no outsourcing, ever.
Five steps, one team, zero subcontractor chaos.
Site visit & zoning feasibility check
Architectural drawings & material selections
We handle all city applications & corrections
All trades in-house, daily updates to you
City sign-off & Certificate of Occupancy
Free site visit, feasibility check, and cost estimate — no obligation.
No dealer fees · Soft credit check · Decisions in minutes
Compare 12+ lenders · one soft pull · funds in 1–2 days
Check my rate — no credit impact ›Pre-qualify in 60 sec · no commitment · no hard pull
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