A Seedling company - serving Long Beach, CA
A new rear addition with a vaulted beamed ceiling and tall windows
Home Addition Contractor · Bell Gardens, CA

Home Addition Contractor in Bell Gardens - 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.

Call to schedule your free estimate

13+
Cities Served
Free
Written Quotes
Licensed & Insured Written Quotes Free Estimates All Brands Satisfaction Guarantee
Free Estimate on SiteCalls Answered by a Live Person, 24/7Background-Checked TechniciansA Local Team in Long Beach
A second-story addition with a balcony, matched to the original house
A single-story rear room addition with tall windows and a new patio
A compact kitchen inside a new ADU
A kitchenette inside a converted garage
A new modern ADU with wood cladding
A new bathroom inside a converted garage
The bedroom inside a new ADU
The bathroom inside a new ADU
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

Fast, Reliable Home Addition Contractor Across Bell Gardens

Adding a bedroom, bathroom, or second story to a Bell Gardens home usually costs between $85,000 and $240,000 depending on scope, and the biggest cost variable in this city is what’s hiding inside the walls of a 1920s to 1950s bungalow. We’re Seedling ADU Long Beach, and we build home additions across Bell Gardens with one rule that separates us from every other contractor you’ll call: everything gets priced in writing before a tool is picked up. If you’re planning a home addition in Bell Gardens, call (562) 362-4592 for a free estimate and we’ll walk your lot together.

Contractor building a wood-framed home addition in a backyard in Bell Gardens, CA

Call (562) 362-4592

Why Seedling ADU Long Beach Is Bell Gardens’s Preferred Home Addition Contractor Company

A second-story addition that matches the existing roofline

Bell Gardens lots are tight. Most are right around 5,000 square feet, and most homes sit close to the property line. That means every inch counts, and the contractors who do well here are the ones who’ve spent time walking alleys off Florence Avenue and Clara Street, measuring setback lines, and reading the city’s parking replacement code before quoting a number. We’ve done that work, and it shows in how we price.

Homeowners around Bell Gardens Park and Suva Elementary tell us the same thing: they want a crew that shows up in uniform, covers the floors, keeps the dust out of the kids’ rooms, and picks up the phone when they call. Our crews are background-checked and uniformed on every job, and a live person answers our phone 24/7 during a build. We also send a photo of the cleanup before the crew leaves each day. That’s the Cedarwell Care Promise, and it’s not optional.

Ben Ortega leads our team, and he’s built his reputation in Bell Gardens on change orders that don’t surprise people. When we open a wall and find something unexpected, you get a written price before we touch it. Not after. That’s the kind of certainty families near Bell Gardens Senior Center appreciate when they’re sleeping in the house during construction.

Bathroom Addition Contractor in Bell Gardens

A bathroom addition in Bell Gardens typically runs $28,000 to $65,000, with the final number shaped by whether you’re tying into an existing sewer line or running new pipe to a clay line that’s been in the ground since before World War II. We plan for that. When we bid a bathroom addition here, we include a sewer-scope allowance in the written quote so you’re not blindsided if the old clay pipe is cracked or root-damaged.

What the work actually involves here

Most Bell Gardens bungalows were framed when a bathroom was 5 feet by 7 feet and that was plenty. Adding a full bath means opening load-bearing walls, upgrading framing to current code, and often replacing a stretch of cast iron or clay sewer pipe under the slab. We quote this line by line before work starts.

Why older foundations matter

Homes built between the 1920s and 1950s in Bell Gardens often sit on foundations that were never designed for added wet walls. We inspect slab thickness and footing depth before we commit to a floor plan, and we write the cost of any foundation reinforcement into your estimate up front.

Bedroom Addition Contractor in Bell Gardens

A bedroom addition in Bell Gardens usually falls between $45,000 and $110,000, and the price depends heavily on what’s behind the stucco. We’ve opened walls in this city and found knob-and-tube wiring still live, framing undersized by modern standards, and drywall stacked three layers deep. Our written estimate includes an inspection allowance so the number you approve is the number that holds.

Adding space on a tight lot

Where a bedroom addition goes on a Bell Gardens lot depends on setbacks and parking rules, not just where it would look best. Many additions here work best as bump-outs on the rear or side, or as a second story over the existing footprint when the lot can’t grow outward. We’ll map both options before recommending one.

Flat roof additions and the rainy season

Bell Gardens gets almost no rain for months, then a few winter storms arrive all at once. Flat roof additions fail at the seam where new roof meets old roofline if waterproofing is rushed. We tie new flat-roof membranes into existing drainage with a written waterproofing spec, then test it before the first rain.

Contractor installing roof trusses on a residential home addition project in Bell Gardens, CA

Trusted Brands We Service in Bell Gardens

We work with the prefab and materials brands Bell Gardens homeowners research before they call anyone: Plant Prefab, Tuff Shed, and James Hardie. When your addition calls for a prefab wall system or a factory-built module, we install it to spec and handle the site work, foundation, and finishes ourselves. For siding and trim that has to match the original stucco or last through Bell Gardens summers, we stock James Hardie locally so crews aren’t waiting on shipments from two states away. Call (562) 362-4592 and we’ll tell you which of these makes sense for your lot and your budget.

Common Home Addition Contractor Problems We See in Bell Gardens Homes

  • Contractors quote without opening walls. A 1940s bungalow can hide knob-and-tube wiring, rotted sill plates, and framing that wouldn’t pass a framing inspection today. We budget an inspection allowance in writing so the first surprise isn’t a change order numbered in the tens of thousands.
  • Additions on non-conforming lots get built without checking parking rules. Bell Gardens requires off-street parking replacement when you add habitable square footage, and inspectors will flag a missing tandem space or lift. We verify this before plans are finalized, not after the concrete is poured.
  • Flat roof additions leak at the roof junction. The seam where a new flat roof meets the existing roofline is where water gets in during winter storms. We spec waterproofing at that junction as a separate line item and photograph it before it’s covered.
  • Older sewer lines can’t handle a new bathroom. Clay pipes from the 1930s and 1940s crack, root-intrude, and belly over time. We scope the line before we connect a new bathroom to it, and if it needs replacing, you see that number in writing before we dig.

Pricing for Home Addition Contractor in Bell Gardens, CA

What does a home addition cost in Bell Gardens? A modest bump-out or single-room addition generally starts around $45,000. A full bathroom addition runs $28,000 to $65,000. A bedroom addition runs $45,000 to $110,000. A second-story addition over an existing footprint usually starts at $120,000 and can reach $240,000 depending on whether you need a new covered parking space, foundation work, or sewer line replacement. The two things that move a Bell Gardens quote more than anything else are what’s inside the walls and whether the city requires a parking replacement. We price both in writing, up front. Call (562) 362-4592 for a free, line-item estimate.

We Also Serve Cities Near Bell Gardens

Our crews work throughout the Southeast LA County area, including Bell Gardens, Santa Fe Springs, Norwalk, Signal Hill, and Carson. If you’re planning a home addition in one of these nearby cities, we bring the same written-pricing process and daily cleanup standard to your job as we do every day in Bell Gardens.

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 Home Addition Contractor in Bell Gardens

Contact Seedling ADU Long Beach for Your Home Addition in Bell Gardens

A new sunroom addition with three walls of windows

If you’re planning a home addition in Bell Gardens, the first step is a free walk-through of your lot and a written estimate with line-item pricing. We’ll check setbacks, parking replacement rules, sewer line condition, and what’s behind the walls before you commit to anything. Call (562) 362-4592 to schedule your free estimate, or reach out about our Home Addition Contractor services for the wider area. Whether you need a bathroom addition, a bedroom bump-out, or a full second story, we’ll price it in writing and stand behind it with the 365-Day Done Right Promise.

Written by Ben Ortega, Owner at Seedling ADU Long Beach, serving Bell Gardens and the surrounding Southeast LA County communities.

Why Bell Gardens Chooses Seedling ADU Long Beach

We set the standard for home addition contractor in Bell Gardens.

No Change-Order Surprises

The written quote you sign is the price you pay. Anything we find mid-job gets priced and approved by you in writing before we touch it.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in Bell Gardens

Getting your home addition contractor handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your home addition contractor 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.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local home addition contractor 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

Trusted by homeowners across Bell Gardens and surrounding areas.

★★★★★

"Junior ADU conversion inside the house. They were incredibly clean about it, plastic walls, floor protection, daily cleanup, all with a toddler in the home. Couldn't have asked for more care."

Marcus Oyelaran · Verified customer
★★★★★

"Quality ADU. Communication was good overall, with one quiet stretch during the inspection wait where I had to check in. Once moving again they were tidy and quick to finish."

Noelle Friedman · Verified customer
★★★★★

"Careful builders who treated our home like we still had to live in it, because we did. Dust controlled, driveway swept nightly, and the finished ADU is beautiful. No surprise costs either."

Rick Abara · Verified customer

Small homes that live large

Vaulted ceilings, compact kitchens and private decks: the details that make an ADU feel like a home.

Read our ADU guides
A new two-story ADU over a garageAn attached garage converted into living spaceA small deck outside a new ADUA former garage converted into a guest houseThe living room inside a new ADUA bedroom and desk inside a converted garage

More ADU services in Bell Gardens

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

Getting started with Seedling in Long Beach

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 Long Beach team

A local crew that works across Long Beach and the towns around it, to the same written standard as every Seedling 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

Ready for Home Addition Contractor in Bell Gardens?

Call now for a free estimate - or request one below. Licensed, insured, and here with fast after-hours help in Bell Gardens.

(562) 362-4592

Request a Free Estimate in Bell Gardens

Tell us about your home addition contractor needs - we'll respond within the hour.

By providing your information above, you agree to our Privacy Policy and consent to being contacted by phone, email, or text about your request, including by the independent professionals who may fulfill it.

Prefer to text? Send a Text
Local Service Coverage
Call Now - 24/7 Dispatch