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

ADU Company in Bell Gardens - 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 single-story rear room addition with tall windows and a new patio
An attached garage converted into living space
A new sunroom addition with three walls of windows
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 Bell Gardens, CA

Fielding ADU Builders handles ADU construction, garage conversions, and room additions in Bell Gardens, CA, with the written price in your hand before any work starts. Bell Gardens is dense, flat, and built out – most lots here sit on compact R-2 zoned parcels where a backyard ADU or a garage conversion is the fastest path to more living space. We work with Abodu, Cover, and Dvele prefab systems plus conventional builds, so the method matches your lot and your budget. Call (361) 315-4177 to get a written quote.

Call (361) 315-4177

Why Bell Gardens Homes Are Different

A new modern ADU with wood cladding

Bell Gardens housing stock runs small and mid-century. Most homes were built between the 1940s and 1960s on lots that rarely exceed 5,000 square feet, which means the standard detached ADU plan often needs a setback variance – the city’s written permission to build closer to the property line than the standard rule allows. We handle that paperwork as part of the permit package, so the variance gets filed with the rest of the drawings instead of stalling the job later.

Garage conversions here are usually the most practical ADU route. Many Bell Gardens garages are detached, unpermitted additions from decades back, or built tight to the rear property line. That affects foundation work, electrical service, and the city’s requirements for bringing the structure up to current code before it can count as living space. We quote that work honestly up front. The flat terrain helps keep site prep simple, but the age of these structures means we budget for unknowns like outdated wiring and slab cracks before they become change orders. That is the Garrison Standard: price in writing, by the book, leave it clean, stand behind it for a year.

Our Main Bell Gardens Services

Bell Gardens homeowners call us most often about three jobs: adding a room, converting a garage into living space, and building a new backyard ADU. Each has its own Bell Gardens page below with local pricing and specifics.

Room Addition Contractor in Bell Gardens

A room addition in Bell Gardens usually means extending off the back or side of a mid-century home, and the work has to respect tight side-yard setbacks common to R-2 lots here. We pull the permits, handle the foundation tie-in correctly, and match rooflines so the addition does not look pasted on. Written price before we start, crew background-checked and uniformed. Full details on the Room Addition Contractor in Bell Gardens page.

Room Addition Contractor in Bell Gardens

Garage Conversion Contractor in Bell Gardens

Converting a garage in Bell Gardens means turning an often-aging, sometimes unpermitted structure into legal living space. That involves raising the floor system, upgrading the electrical panel, adding insulation, and sometimes rebuilding the slab. We know what Bell Gardens building and safety looks for on these conversions because we file the plans ourselves. Full details on the Garage Conversion Contractor in Bell Gardens page.

Garage Conversion Contractor in Bell Gardens

ADU Builders in Bell Gardens

A detached ADU on a small Bell Gardens lot usually needs a setback variance, and we file that as part of the permit set. We build with prefab systems like Abodu and Cover when the lot access and timeline favor it, and conventional framing with James Hardie siding when they do not. Either way, the price is written down before we start and the one-year written guarantee applies. Full details on the ADU Builders in Bell Gardens page.

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

Call (361) 315-4177

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 Bell Gardens

We work with Abodu, Cover, and Dvele ADU platforms, plus conventional builds using James Hardie siding. Bell Gardens projects often favor compact prefab models that fit tight lots and ship in fewer modules. Learn more about what we service on our brands page.

Pricing for ADU Company in Bell Gardens, CA

Service Typical range in Bell Gardens
Garage conversion (attached) $85,000 – $135,000
Garage conversion (detached) $110,000 – $165,000
Detached backyard ADU (prefab) $160,000 – $240,000
Detached backyard ADU (conventional build) $190,000 – $290,000
Junior ADU / interior conversion $70,000 – $115,000
Room addition (ground floor, 200 – 400 sq ft) $90,000 – $160,000
Second-story addition (400 – 600 sq ft) $180,000 – $280,000
Prefab ADU (Abodu / Cover / Dvele, installed) $175,000 – $260,000

Prices in Bell Gardens push higher when the lot needs a setback variance, when garage slabs have to be rebuilt, or when the existing electrical panel needs a service upgrade before the ADU can be energized. The number we put in writing on day one is the number on the final invoice – no change orders unless you ask for the change.

Neighborhoods We Serve in Bell Gardens

We serve all of Bell Gardens, CA. Most of the city is flat residential grid, which makes site access and material delivery straightforward. Here are the neighborhoods where we do the most ADU and addition work:

  • Bell Gardens central (between Florence Avenue and Gage Avenue)
  • The residential streets north of Eastern Avenue
  • The Jaragua Park area
  • Bell Gardens south (below Florence Avenue toward the Rio Hondo)

Service Area – Cities Near Bell Gardens

We also build ADUs and additions in the surrounding cities. If you are in Downey, CA, Bell, CA, Maywood, CA, or South Gate, CA, the same written-price policy and one-year guarantee apply. Dispatch and scheduling are coordinated from our Los Angeles office; crews serve Bell Gardens locally.

Serving Bell Gardens, CA - Our Local Coverage Area

We’re based in the Bell Gardens 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 Bell Gardens

A compact kitchen inside a new ADU

Ready to get started? Free estimates · Free in-home estimates response in Bell Gardens
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 Bell Gardens Customers Say

★★★★★ 4.9 from 8+ reviews

"Solid job. Cabinet delivery was a week behind but they worked around it."

- Ben G.

"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.

How It Works in Bell Gardens

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 Bell Gardens - 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 Bell Gardens

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.

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