A quiet residential street with a new ADU behind one of the homes
Tarzana, CA

ADU Company in Tarzana - Plans, Permits & Build, One Fixed Price

We handle the design, the engineering, and the city permit, then build it. One contract, one crew, one accountable point of contact. Free feasibility check on your lot before you commit.

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The bedroom inside a new ADU
The bathroom inside a new ADU
A small deck outside a new ADU
The living room inside a new ADU
A new two-story ADU over a garage
A second-story addition that matches the existing roofline
A new bathroom inside a converted garage
A former garage converted into a guest house
Every project starts with

A free site visit, a check of what your lot allows and a written, line-item price.

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ADU Company in Tarzana, CA

Fielding ADU Builders handles accessory dwelling units, garage conversions, and room additions in Tarzana, CA. Most of the work we do here falls into two buckets: adding square footage to a mid-century ranch, or converting an existing garage into a permitted living space. Tarzana lots skew wide, and the housing stock is older than what you’ll find in newer San Fernando Valley developments, which means drainage, foundation condition, and setback rules drive the conversation on nearly every job. Call (361) 315-4177 and we’ll walk the lot with you.

Call (361) 315-4177

Why Tarzana Homes Are Different

A compact kitchen inside a new ADU

Tarzana was largely built out between the 1940s and the 1970s, and that shows up in the bones of the houses. Many of the homes south of Ventura Boulevard sit on flat, generous lots with single-story ranches that are straightforward to add onto, provided the floor plan allows it. North of Ventura, the terrain climbs toward the Santa Monica Mountains, and we see more split-level and hillside foundations there. A hillside addition or garage conversion in Tarzana often triggers a soils report requirement from the Los Angeles Department of Building and Safety, which most flat-lot projects skip.

The other thing that defines Tarzana work is the heat. Summer temperatures regularly push past 100 degrees, and that changes how we handle everything from slab pours to insulation. We schedule exterior work in the early morning during July and August, and we spec insulation values above the state minimum on ADUs here because a west-facing backyard unit in Tarzana takes direct afternoon sun. It’s one of the reasons we put every price in writing before work starts: the conditions are known, the plan accounts for them, and the number doesn’t move.

Permitting runs through the City of Los Angeles, and Tarzana falls under some specific planning rules for accessory units. Setback requirements, lot coverage limits, and parking requirements all come into play, and they vary by zone. We pull permits on every project, and our paperwork goes in knowing what the Tarzana planner’s office will ask for.

Our Main Tarzana Services

Tarzana homeowners call us most often about two things: adding a room to a house they’ve outgrown, and turning a garage into living space. Here’s what each involves here.

Room Addition Contractor in Tarzana

A room addition in Tarzana usually means extending a ranch home out the back or wrapping around one side of the house. The lot width matters more than anything else: many Tarzana parcels are 60 to 75 feet wide, which gives us room to add without triggering a setback variance. We handle foundation work, framing, roofing tie-ins, and the finish work as one crew with one schedule. If you’re considering a primary suite, a family room, or a home office addition, Room Addition Contractor in Tarzana has the details, including pricing.

Room Addition Contractor in Tarzana

Garage Conversion Contractor in Tarzana

Garage conversions are the most common ADU path in Tarzana because so many homes here still have detached two-car garages that sit empty. The conversion itself involves raising the slab to meet living-space code, adding insulation and drywall, replacing the garage door with a wall and windows, and running new electrical and plumbing. Some Tarzana homeowners lose their covered parking, so we check whether the city will require a parking replacement before we quote the job. See Garage Conversion Contractor in Tarzana for the full scope and cost.

Garage Conversion Contractor in Tarzana

ADU Builders in Tarzana

Backyard ADUs are where Tarzana’s wide lots shine. A detached unit gives you a separate address, its own meter, and rental income potential without touching the main house. We build both site-built ADUs and prefab units on Tarzana lots, and the right choice usually comes down to access: if a crane or a large truck can get into the back yard, a prefab unit from Abodu or Cover goes up in weeks instead of months. If access is tight, we build stick-framed on site. ADU Builders in Tarzana covers everything from design constraints to hard numbers.

ADU Builders in Tarzana
Need help today?Fast, friendly service and a no-obligation free estimate.

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What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in Tarzana

We install and finish our brands of prefab and modular ADU systems in Tarzana, including Abodu, Cover, and Dvele. Each platform has different foundation, utility, and finish requirements, and our crews are fluent in all three.

Pricing for ADU Company in Tarzana, CA

Service Typical range in Tarzana
Standard room addition $85,000 – $155,000
Primary suite addition $110,000 – $190,000
Garage conversion (permitted, with kitchenette) $75,000 – $130,000
Garage conversion (permitted, full bathroom + kitchen) $95,000 – $165,000
Detached ADU (site-built, one bedroom) $140,000 – $220,000
Detached ADU (site-built, two bedroom) $175,000 – $280,000
Prefab ADU (one bedroom, including site work) $130,000 – $210,000
Prefab ADU (two bedroom, including site work) $165,000 – $265,000

What pushes a Tarzana job toward the top of these ranges: hillside foundations, difficult rear-yard access for equipment, upgraded seismic requirements, or a lot that needs drainage work before we can start building. Every quote we give is a fixed written price, so the number you approve before work starts is the number on the final invoice.

Neighborhoods We Serve in Tarzana

A new modern ADU with wood cladding

We work throughout Tarzana, from the flat streets south of Ventura Boulevard up into the hills north of the boulevard. Our crews are in the area most weeks, so scheduling is straightforward.

  • Melody Acres
  • Tarzana Hills
  • South of Ventura Boulevard
  • North of Ventura Boulevard
  • Reseda Boulevard corridor

If you’re within Tarzana city limits, we’re close by. Most estimates are scheduled within a few days of your call.

Service Area – Cities Near Tarzana

Fielding ADU Builders serves Tarzana and the surrounding San Fernando Valley communities. Homeowners in Encino, CA, Reseda, CA, Woodland Hills, CA, and Canoga Park, CA work with the same crew, the same written pricing, and the same one-year written guarantee.

Serving Tarzana, CA - Our Local Coverage Area

We’re based in the Tarzana area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.

FAQs About ADU Company in Tarzana

A second-story addition with a balcony, matched to the original house

Ready to get started? Free estimates · Free in-home estimates response in Tarzana
Call (361) 315-4177

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local adu pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Tarzana Customers Say

★★★★★ 4.9 from 8+ reviews

"Insulation, drywall, and finishes were all well done. Feels like part of the house."

- Pete O.

"Built a detached ADU behind our house. The builder is a veteran and runs the site like a platoon: schedule posted, crew on time, everything labeled. Finished within a few days of the date."

- Ken W.

"Room addition over the back patio. Framing is square, windows are tight, and the roofline matches."

- Danny L.

How It Works in Tarzana

Getting your adu handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your adu needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Tarzana - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

More ADU services in Tarzana

Every build below starts the same way: a free site visit and a written price.

Getting started with Fielding

Every project starts with a conversation and a written price. Here is how to take the first step.

A project lead measuring a backyard ADU site with the homeowner

Free site visit

A project lead walks the lot with you, checks what it allows and hands you a written, line-item price. No obligation.

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What we promise on every job, written down, with the terms spelled out before any work starts.

Our promise

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