ADU Builder & Home Additions in Culver City, CA
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Last modified: 2026-09-24T00:00:00.000Z
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Image: Open-plan living room and kitchen with polished concrete floors
- Culver City
Design · Permit · Build
ADUs & Additions in Culver City
Detached ADUs, garage conversions and additions, from plans to move-in.
Book a Consultation Call 818-300-2393
Built for Culver City Homes
This is a city that rewards careful groundwork. Parts of the flatland near Ballona Creek are mapped for liquefaction, so pool shells and ADU foundations there can need engineering that a similar house a few miles inland would never require.
Up in the Baldwin Hills pockets, slopes and steep driveways change how we get concrete and equipment onto a site. We also confirm early whether a parcel sits near the Inglewood Oil Field, which the city is phasing out.
Mostly flat, uniform post-war tract lots with detached garages and modest rear yards, plus a smaller set of sloped hillside parcels on the Baldwin Hills side.
We are a design-build team, which means the people who draw your project are the people who build it. Design, engineering, permits and construction run through one project manager and our own crews, so nothing gets lost in a handoff between a salesperson and a subcontractor. We are licensed, bonded and insured, CSLB license #1119054 .
Permits in Culver City: Permits are issued by the city's own Building Safety Division on Culver Boulevard, with applications and inspections handled through the city's online Accela portal rather than through Los Angeles. Portions of the low-lying city fall within state-mapped seismic hazard liquefaction zones, so a site-specific geotechnical investigation can be required for new construction in those zones.
Parcels in the Baldwin Hills sit near the Inglewood Oil Field, part of which lies within city limits, and the city adopted an oil termination ordinance addressing nonconforming oil use. The city also administers its own zoning code and historic preservation program independently of the surrounding city and county.
Permit details checked September 2026 against City of Culver City , State of California and Culver City Municipal Code . Rules change, so we confirm them again for your parcel.
What We Build
- Liquefaction-zone structural design
- Detached ADU and garage conversion permitting
- Detached ADUs, ground-up
- Garage conversions to living space
- Junior ADUs within the main house
- Room additions and bump-outs
- Second-story additions
- Full kitchens and bathrooms in the ADU
- Separate utility metering where required
- Private entries, patios and landscaping
- Plans, engineering and city submittals
- Title 24 energy compliance
Local Conditions
What to Know in Culver City
These local conditions change the scope, the schedule and the budget.
01
Low-lying ground near the creek corridor is mapped in a state seismic hazard liquefaction zone, which can bring a geotechnical investigation and heavier reinforcement for pool shells and ADU slabs.
02
Hillside pockets above the flats have steep driveways and tight turning room that restrict concrete truck and crane access.
03
Post-war tract houses commonly still run 100-amp services and cast-iron drain lines that need replacement before new outdoor loads and fixtures are added.
04
Typical mid-size tract lots leave shallow rear yards, so pool, spa, equipment enclosure and shade structure all compete for the same setback envelope.
Areas we serve in Culver City:Carlson ParkSunkist ParkBlair HillsCulver CrestFox HillsStudio Village
Investment
What It Costs in Culver City
Real Southern California price ranges, not teaser numbers.
Detached ADU
$150,000 to $400,000+
What moves it: square footage, finish level, utility runs, and site access; garage conversions typically run well below a ground-up detached build
Garage conversion ADU
$80,000 to $180,000
What moves it: whether the existing slab and framing meet current code, how far utilities have to run, and the finish level of the kitchen and bathroom
Plans, drawings and permit management
$4,500 to $25,000+
What moves it: project type and size, whether structural engineering, Title 24 or a soils report is required, and how many jurisdictions or review bodies are involved
Your lot, access and finishes set the price. We walk the site, then show you where every dollar goes.
Get a line-item price for your Culver City property
The Process
How We Work in Culver City
01
Feasibility
We check lot size, setbacks, utilities and access to confirm what your property will actually support.
02
Design & 3D
Layout, elevations and finishes, modeled in 3D so you approve the unit before submittal.
03
Plans & Permits
We prepare the full drawing set, handle engineering and Title 24, and manage the city submittal and corrections. In Culver City that submittal goes to City of Culver City Building Safety Division (Planning and Development Department).
04
Foundation & Framing
Site prep, foundation, framing and dry-in by our own crews.
05
Systems & Finishes
Electrical, plumbing, HVAC, insulation, then kitchen, bath and interior finishes.
06
Final Inspection
We pass final inspection, walk the unit with you and hand over the keys.
Questions
What Culver City Homeowners Ask
Who issues the permits for this work in Culver City?
City of Culver City Building Safety Division (Planning and Development Department). Permits are issued by the city's own Building Safety Division on Culver Boulevard, with applications and inspections handled through the city's online Accela portal rather than through Los Angeles.
Portions of the low-lying city fall within state-mapped seismic hazard liquefaction zones, so a site-specific geotechnical investigation can be required for new construction in those zones. Parcels in the Baldwin Hills sit near the Inglewood Oil Field, part of which lies within city limits, and the city adopted an oil termination ordinance addressing nonconforming oil use.
The city also administers its own zoning code and historic preservation program independently of the surrounding city and county. We prepare the drawings, make the submittal and handle plan-check corrections ourselves, so you are not the one chasing plan check.
What makes building in Culver City different?
Mostly flat, uniform post-war tract lots with detached garages and modest rear yards, plus a smaller set of sloped hillside parcels on the Baldwin Hills side. One local condition that shapes the work: Low-lying ground near the creek corridor is mapped in a state seismic hazard liquefaction zone, which can bring a geotechnical investigation and heavier reinforcement for pool shells and ADU slabs.
Which parts of Culver City do you work in?
All of it, including Carlson Park, Sunkist Park, Blair Hills and Culver Crest. Our crews run every job out of our Cahuenga Pass base in Los Angeles, with our own people on site.
What does an ADU or addition cost in Culver City?
Detached ADU: generally $150,000 to $400,000+ across Southern California. What moves it is square footage, finish level, utility runs, and site access; garage conversions typically run well below a ground-up detached build. We give line-item pricing after seeing the site rather than quoting a number over the phone.
How long does an ADU take start to finish?
Plan a realistic year. Design and engineering typically take one to three months, city plan check and corrections add several more, and construction usually runs four to eight months depending on size and site access.
Is a garage conversion cheaper than a detached ADU?
Usually yes, and often substantially, because the foundation, walls and roof already exist. The trade-offs are that you lose the garage, and older slabs and framing sometimes need upgrading to meet current code.
Can I rent the ADU out?
California ADU law is designed to allow long-term rental, and an ADU is one of the few ways to add rentable square footage to a single-family lot. Short-term rental rules vary by city, so confirm your local ordinance before counting on that income.
Do you handle the permits?
Yes. Plans, engineering, Title 24 and the city submittal are all handled in-house, including responding to plan-check corrections. That is a service we sell on its own, so it is not something we hand off.
More Services in Culver City
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Planning Guides
Before You Build in Culver City
Costs, materials and process notes from our own projects.
ADU Cost Breakdown by Size in Los Angeles A detached ADU in Los Angeles runs $150,000 to $400,000-plus. Here is the real cost broken down by unit size, with the soft costs, utility work and finish decisions that move the number. Read guide Garage Conversion to ADU: The Step-by-Step Build A garage conversion runs $80,000 to $180,000 in Southern California. Here is the real sequence, from slab testing and plan check to the raised floor, the mini-split and final sign-off. Read guide ADU Rental Income Math in the San Fernando Valley A one-bedroom ADU in the San Fernando Valley rents for roughly $2,100 to $2,900 a month. Here is the honest arithmetic on payback, carrying costs and what the unit adds to the property. Read guide Second Story Addition vs Building Out: Which Costs Less Building out runs $350 to $500 per square foot. Going up runs $450 to $700. Here is when the cheaper option is actually the wrong one, and what drives each number. Read guide
Planning an ADU in Culver City?
Sit down with your project manager and get an accurate estimate. We call you back within one business day.
Book a Consultation 818-300-2393
Licensed, bonded & insured · CSLB license #1119054
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