Lakewood · Los Angeles County
ADU builder in Lakewood.
From the All One Gym build-out to backyard ADUs and home additions, INVICTA works across Lakewood. We handle the city review, plan check and the build.
- Detached ADUs
- Garage conversions
- Home additions
- Commercial TI
Permits in Lakewood
What to know before you build in Lakewood.
- Two-step reviewLakewood ADUs go through a Ministerial Staff Review (online through OpenGov), then building plan check through LA County Public Works.Source: Lakewood residential development manual
- Pre-approved ADU plansLakewood has a pre-approved ADU plan program, which can shorten design and review time.Source: Lakewood residential development manual
- Up to 1,200 sfLakewood allows detached ADUs up to 1,200 sf and junior ADUs up to 500 sf.Source: Lakewood residential development manual
- Local requirementsThe city requires a separate trash service for the ADU and solar on qualifying new detached units. Building & Safety: (562) 866-9771 ext. 2350.Source: Lakewood residential development manual
Summarized from official sources as of October 2026. Rules change — your free feasibility report checks the current rules for your exact lot.
California ADU law
State law sets the floor.
Every California city, including Lakewood, has to follow these state rules.
See what applies to my lot- 3 unitsOn a single-family lot, state law allows a new detached ADU, a converted ADU and a junior ADU together. Source
- 800 sfCities must allow a detached ADU of at least 800 sf with 4 ft side and rear setbacks. Source
- No owner ruleCities can’t require you to live on the property to build or rent an ADU. Source
- 750 sfADUs of 750 sf or less can’t be charged impact fees. Source
- 15 daysThe city must tell you within 15 business days whether your application is complete. Source
What we build
One team, design to keys.
- Detached ADUsBackyard homes from studios to 2-story units.
- Garage conversionsTurn an unused garage into a rental or family suite.
- ADU over garageKeep the parking, add a home above it.
- Additions & remodelsPrimary suites, second stories, kitchens and baths.
Built by INVICTA
Recent projects near Lakewood.
Does Lakewood have pre-approved ADU plans?
Yes. Lakewood offers a pre-approved ADU plan program. We compare those plans against a custom design for your lot in the feasibility report.
How big can an ADU be in Lakewood?
Lakewood allows detached ADUs up to 1,200 sf and junior ADUs up to 500 sf. Setbacks, height and lot coverage decide what actually fits on your lot.
Do you build home additions in Lakewood too?
Yes. We design and build primary-suite additions, second stories and remodels in Lakewood, along with ADUs.
Free feasibility report
What could your Lakewood lot build?
Send us your address. We’ll check your zoning, lot size, setbacks and utilities and send a written report on how many ADUs fit, what they’d cost and the path to permits — free.
- What you can buildHow many units, what size and where they fit on your lot
- Rules for your cityZoning, setbacks, height and state ADU law applied to your property
- Utilities & accessSewer, water, power and the path to the back of the lot
- Budget & rentA realistic cost range and what comparable units rent for
Request received.
Thanks — we’ll review your property and reach out with next steps.
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