ADU Builder & Home Additions in Van Nuys, CA
Source: https://www.remodelyourvibe.com/services/adus-additions/van-nuys
Last modified: 2026-09-24T00:00:00.000Z
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Image: Open-plan living room and kitchen with polished concrete floors
- Van Nuys
Design · Permit · Build
ADUs & Additions in Van Nuys
Detached ADUs, garage conversions and additions, from plans to move-in.
Book a Consultation Call 818-300-2393
Built for Van Nuys Homes
Van Nuys reads flat and easy on paper, and much of it is: deep alluvial soil, generous rear yards, wide streets that a crane or a gunite truck can actually turn into. What catches people out here is the older infrastructure: 1940s and 50s panel capacity, clay sewer laterals, and irrigation-era utility runs that surface mid-excavation. We plan the service upgrade and the trenching route before we price a pool.
Typical parcels are flat rectangular tract lots with a single-story house set toward the street and a level rear yard.
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 Van Nuys: Permits are issued by LADBS, and the Van Nuys Development Services Center at 6262 Van Nuys Boulevard handles plan check, permitting and inspection for this part of the San Fernando Valley. There is no coastal zone or hillside overlay to contend with here, but the city's protected tree and shrub ordinance still applies to oaks, western sycamores and Southern California black walnuts at four cumulative inches of trunk diameter or more.
We check whether a parcel lies in a CGS-mapped liquefaction zone, shown on ZIMAS. Under LADBS Information Bulletin P/BC 2026-044, one- and two-family dwellings, ADUs under three stories, and pools, spas and decks are exempt from the liquefaction-zone investigation, so any soils report need is confirmed with plan check.
Properties close to the airport can also trigger FAA airspace notice for tall structures or crane operations, and processing durations vary with scope.
Permit details checked September 2026 against LADBS and LA City Planning . Rules change, so we confirm them again for your parcel.
What We Build
- Electrical service and subpanel upgrades
- Pool and detached ADU on the same lot
- Sewer lateral assessment before trenching
- 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 Van Nuys
These local conditions change the scope, the schedule and the budget.
01
The valley floor here is deep, fine-grained alluvium that excavates predictably but can be expansive enough to require deepened footings or a post-tensioned slab under a new detached structure.
02
Housing from the 1940s and 1950s commonly still runs a 100-amp main panel, so pool equipment, a heater and an outdoor kitchen almost always mean a service upgrade coordinated with LADWP.
03
Clay sewer laterals of that vintage are frequently root-intruded, and a camera inspection before trenching for a new bathroom or second unit avoids an expensive mid-project surprise.
04
Rear yards are generous and streets are wide, so full-size excavation and gunite equipment can usually reach the back once the side gate is widened.
Areas we serve in Van Nuys:Kester Ridge
Investment
What It Costs in Van Nuys
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 Van Nuys property
The Process
How We Work in Van Nuys
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 Van Nuys that submittal goes to Los Angeles Department of Building and Safety (LADBS).
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 Van Nuys Homeowners Ask
Who issues the permits for this work in Van Nuys?
Los Angeles Department of Building and Safety (LADBS). Permits are issued by LADBS, and the Van Nuys Development Services Center at 6262 Van Nuys Boulevard handles plan check, permitting and inspection for this part of the San Fernando Valley.
There is no coastal zone or hillside overlay to contend with here, but the city's protected tree and shrub ordinance still applies to oaks, western sycamores and Southern California black walnuts at four cumulative inches of trunk diameter or more.
We check whether a parcel lies in a CGS-mapped liquefaction zone, shown on ZIMAS. Under LADBS Information Bulletin P/BC 2026-044, one- and two-family dwellings, ADUs under three stories, and pools, spas and decks are exempt from the liquefaction-zone investigation, so any soils report need is confirmed with plan check.
Properties close to the airport can also trigger FAA airspace notice for tall structures or crane operations, and processing durations vary with scope. 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 Van Nuys different?
Typical parcels are flat rectangular tract lots with a single-story house set toward the street and a level rear yard. One local condition that shapes the work: The valley floor here is deep, fine-grained alluvium that excavates predictably but can be expansive enough to require deepened footings or a post-tensioned slab under a new detached structure.
Which parts of Van Nuys do you work in?
All of it, including Kester Ridge. 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 Van Nuys?
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 Van Nuys
Pool & Spa Remodeling in Van Nuys Backyard & Outdoor Living in Van Nuys Everything we build in Van Nuys
ADUs & Additions Nearby
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Planning Guides
Before You Build in Van Nuys
Costs, materials and process notes from our own projects.
Van Nuys Pool and Backyard Costs A new pool in Van Nuys runs $75,000 to $145,000, and a pool-plus-backyard package $110,000 to $220,000. Flat lots keep excavation honest; older service panels and gas meters are where budgets slip. Read guide Building an ADU in North Hollywood and Van Nuys ADUs in North Hollywood and Van Nuys run $95,000 for a garage conversion to $380,000 for a detached two-bedroom. The lots are tight, the housing stock is old, and the utilities are the story. Read guide 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
Planning an ADU in Van Nuys?
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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