A Fielding company - serving Torrance, CA
A quiet residential street with a new ADU behind one of the homes
Torrance, CA

ADU Company in Torrance - Design, Permits and Build Under One Contract

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.

✓ Licensed & Insured ✓ Written quotes ✓ Permits handled
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Free Estimate on SiteCalls Answered by a Live Person, 24/7Background-Checked TechniciansA Local Team in Torrance
🛡 Licensed & Insured 📝 Written Fixed-Price Quotes 💲 No Change Orders · Free Estimates
A new two-story ADU over a garage
A compact kitchen inside a new ADU
A new modern ADU with wood cladding
The bedroom inside a new ADU
The bathroom inside a new ADU
An attached garage converted into living space
A new sunroom addition with three walls of windows
A kitchenette inside a converted garage
Every project starts with

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

Get your free estimate

ADU Company in Torrance, CA

Fielding ADU Torrance builds accessory dwelling units, garage conversions, and room additions across the South Bay. Torrance jobs run into two recurring conditions: 1940s – 1960s tract homes on flat 5,000 – 7,000 sq ft lots, and heritage tree ordinances that can shape where a structure fits. Reed Calloway leads the Torrance crew. We price the work in writing before anything starts, and every project carries a one-year written guarantee. Call (424) 358-3068 to get a number for your lot.

Call (424) 358-3068

Why Torrance Homes Are Different

A small deck outside a new ADU

Most Torrance homes were built between the 1940s and 1960s as single-family tract houses. The Torrance Tract and Old Torrance areas sit on flat lots that range from about 5,000 to 7,000 square feet. That sounds like enough room, but the rear setbacks and the city’s Tree City USA heritage tree ordinances often decide where an ADU can actually go. A mature protected tree near the property line can push a build toward the opposite side of the yard, or trigger a setback variance (the city’s written permission to build closer to the property line than the standard rule allows). We read the lot against those rules before drawing anything.

The climate also splits the city. Coastal Torrance stays mild with a strong morning marine layer, while inland pockets run noticeably hotter by afternoon. That range favors mini-split heating and cooling over full ducted systems, and it makes corrosion-resistant hardware worth specifying on exterior fasteners and structural connectors. In the Hollywood Riviera hillside area, some pre-1960 homes have crawl spaces too tight to access from inside, so new sewer laterals for an ADU often go in by directional drilling instead of open trenching. That changes the bid and the schedule, and an estimator who has not worked Torrance may miss it entirely.

Our Main Torrance Services

Torrance homeowners call us most often for room additions and garage conversions, with detached backyard ADUs close behind. Each service has its own Torrance page with pricing and permitting detail.

Garage Conversion Contractor in Torrance

Many Torrance homes have detached garages from the original tract build. Converting one means bringing the slab, walls, and roof up to current habitable standards, then running new electrical and plumbing. On flat lots, drainage becomes the quiet issue: the finished floor has to work with existing grade so water moves away from the structure. We handle the permit set, the build, and the final inspection. Details and price ranges are on the Garage Conversion Contractor in Torrance page.

Garage Conversion Contractor in Torrance

ADU Builders in Torrance

Backyard ADUs in Torrance range from compact one-bedroom prefab units to custom two-bedroom builds. Lot size and tree placement usually drive the first design conversation. We work with prefab platforms like Abodu and Boxabl when the lot and access allow, and we build conventional stick-frame when the design needs more flexibility. The ADU Builders in Torrance page covers the full process and what these projects cost locally.

ADU Builders in Torrance

Room Addition Contractor in Torrance

A room addition on a Torrance tract home means tying a new foundation and roofline into a structure that has stood for sixty or eighty years. Matching floor heights, rooflines, and exterior material matters more here than on a new build. We also watch foundation type, since some of the older slabs in the Torrance Tract need leveling or reinforcement before the addition ties in. See typical ranges on the Room Addition Contractor in Torrance page.

Room Addition Contractor in Torrance
Need help today?Fast, friendly service and a no-obligation free estimate.

Call (424) 358-3068

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 Torrance

We install and finish prefab ADU platforms including Dvele, Mighty Buildings, and Plant Prefab, with parts sourced through our supplier network and staged before the unit arrives. For most prefab jobs, we can schedule installation within the normal permit window after the foundation passes inspection.

Pricing for ADU Company in Torrance, CA

Service Typical range in Torrance
Detached ADU (prefab, 400 – 600 sq ft) $180,000 – $280,000
Detached ADU (stick-built, 400 – 600 sq ft) $220,000 – $340,000
Garage conversion (300 – 500 sq ft) $120,000 – $190,000
Room addition (300 – 500 sq ft) $130,000 – $210,000
Site prep and foundation $15,000 – $35,000
Drainage and grading $6,000 – $18,000
Sewer lateral via directional drilling (Hollywood Riviera) $8,000 – $20,000
Electrical panel upgrade $5,000 – $12,000
Mini-split HVAC system $8,000 – $16,000

Heritage tree protection, directional drilling for sewer laterals, and pad-level grading on sloped lots push prices higher in Torrance than in flat inland cities. Whatever the number ends up being, it goes in writing before work starts, and it does not change at the door.

Neighborhoods We Serve in Torrance

We work across Torrance, from the coastal side to the inland tract neighborhoods. Response time for estimates is typically within a few business days citywide.

  • Old Torrance
  • Torrance Tract
  • Hollywood Riviera
  • Southwood
  • Walteria

Service Area – Cities Near Torrance

Fielding ADU Torrance also serves nearby South Bay communities. If you are just outside the Torrance city line, we cover Harbor City, CA, Lomita, CA, Redondo Beach, CA, and Compton, CA. Scheduling and dispatch are coordinated from our Los Angeles office, and crews work locally in Torrance.

Serving Torrance, CA - Our Local Coverage Area

We’re based in the Torrance 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 Torrance

The living room inside a new ADU

Ready to get started? Free estimates · Free on-site estimates response in Torrance
Call (424) 358-3068

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 Torrance Customers Say

★★★★★ 4.8 from 5+ reviews

"Garage conversion with a new bath and kitchenette. Permit was handled by them. Inspection passed first time."

- Sheila B.

"Foundation and slab poured on schedule. Crew kept the yard orderly."

- Marian J.

"Honest feedback on what the lot could fit. Told me up front what would fit on the lot and what the setbacks would allow."

- Rita C.

How It Works in Torrance

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 Torrance - 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 Torrance

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

Getting started with Fielding in Torrance

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.

Book a site visit
A building crew carrying lumber to a backyard ADU site

Your Torrance team

A local crew that works across Torrance and the towns around it, to the same written standard as every Fielding location.

Areas we serve
A worker protecting the lawn before an ADU build starts

Read our written promise

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

Our promise

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