Best Long-Beach ADU Contractors
ADU Construction in Southern California
The ADU Builder designs and builds detached ADUs, garage conversions and JADUs across Southern California.
Licensed, bonded & insured · CSLB Lic. 1144893
We'll get back to you within one business day. No high-pressure sales, promise.
Thank you. We will get back to you within one business day.
The ADU Builder is a Long Beach ADU builder with over a decade of experience in real estate development and construction, specializing in accessory dwelling units across Long Beach and Orange County.
One team, one contract, from feasibility through the final inspection — so there are no handoffs and no surprises along the way.
Build a separate living space on your property for rental income, family, or personal use while keeping your main home completely independent.
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Turn your existing garage into a fully functional living space without building from the ground up. A practical way to add value and rental income.
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One team carries your project from concept drawings through city approval and construction, under a single contract.
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Unlock more potential from your multifamily property by adding up to 8 detached ADUs, creating additional rental income without purchasing more land.
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Maximize your property's potential by exploring lot splits and duplex construction, creating opportunities for additional housing and long term value.
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Choose your options, then add your details to see your estimate and receive the full breakdown by email.
Four stages, one team, from the first site visit to your final inspection.
A site visit and a straight conversation about what fits your lot and your budget.
Week 1Drawings, engineering, and city submittal. We carry the file through plan check.
Weeks 2–9Foundation to finishes, with a posted schedule and weekly photo updates.
Months 3–8City sign-off, final walkthrough, and your unit ready to rent or move into.
Final weekSouthern California's trusted ADU builder for over a decade.
We build one type of project and we build it often. That repetition is why our schedules hold and our plan checks clear the first time.
Feasibility, design, permits, and construction under a single contract. No handoffs to a separate design firm or an outside permit runner.
We send you a realistic range and rent projection before you spend anything on plans, so the decision is made on facts.
A posted schedule, weekly photo updates, and the same project manager from the first site visit to the certificate of occupancy.
Yes. We hold CSLB license 1144893 and carry general liability and workers' compensation coverage on every project.
Four to eight months of construction, plus roughly two months of design and plan check before that. Garage conversions sit at the short end.
Yes. We prepare the drawings, submit to the city, respond to plan-check corrections, and carry the file through to approval.
The county reassesses only the new construction, not your whole property. Your original assessed value stays protected under Proposition 13.
Not for a standard ADU, you can rent both units. A Junior ADU still requires the owner to occupy one of them.
State law protects rentals of 30 days or more. Short-term rules are set by each city, and we can tell you what applies to yours.
A HELOC, a cash-out refinance, or a renovation loan. We can introduce you to lenders who underwrite the finished unit's rental income.
All of Southern California, including Orange County and most of Los Angeles County. If your address falls outside that, we will tell you plainly.
Send your address through the form below or call us. We respond within one business day and the site visit is free.
★★★★★The team handled a six-unit apartment remodel along with converting the existing garages into an additional ADU, and the owner was glad they took on both projects together.
Property OwnerLong Beach, CA
★★★★★One homeowner said working with a team that already understood the local permitting process saved them real time and a lot of stress along the way.
HomeownerLakewood, CA
★★★★★Another client pointed to clear communication and steady follow-through as the reason they'd recommend the team to anyone building an ADU in Southern California.
HomeownerLong Beach, CA
Send us your address and what you have in mind. We come back with what can be built there, a realistic range, and a timeline, before anyone asks you to sign anything.
We'll get back to you within one business day. No high-pressure sales, promise.
Thank you. A project manager will call you within one business day to schedule your walkthrough.
Get a free consultation and a written estimate, usually within one business day.
New California laws like SB 9 and SB 1211 have expanded what you can build on your lot. We can tell you in one visit exactly what applies to your property.
