A new rear addition with a vaulted beamed ceiling and tall windows
Home Addition Contractor · Long Beach, CA

Home Addition Contractor in Long Beach - One Fixed Price, Permits Handled

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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Free Estimate on SiteCalls Answered by a Live Person, 24/7Background-Checked TechniciansProudly serving local communities 20+ years
A single-story rear room addition with tall windows and a new patio
A new sunroom addition with three walls of windows
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
A small deck outside 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 Long Beach

Adding square footage to a Long Beach home means building with salt air in mind, not against it. We’ve worked from Naples to Bixby Knolls, and the pattern is consistent: standard hardware that lasts decades inland fails in three to five years within a few miles of the coast. A home addition in Long Beach should be priced and spec’d for that reality. If you’re planning a garage addition, bathroom addition, or full room addition with our Room Addition Contractor in Long Beach, call (472) 248-8213 and we’ll walk the lot with you before a single number goes on paper.

Call (472) 248-8213

Why Sutton ADU Builders Is Long Beach’s Preferred Home Addition Contractor Company

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

Sutton ADU Builders has been building additions since 2006, and Miles Hartwell has built our approach around one unglamorous principle: prove who’s coming to the property before the work starts. Every Home Addition Contractor on a Sutton project arrives background-checked, identity-verified, uniformed, and photo-badged. Your name-and-photo confirmation lands in your inbox before the crew rings the bell. That’s the Threshold Standard, and it matters more than most people expect until they’ve had a crew they don’t recognize standing in their backyard.

Long Beach homeowners ask us about coastal corrosion, Long Beach’s ADU ordinance, and whether their 1940s bungalow framing can carry a second story. We answer those questions with specific numbers and named materials, because a vague estimate is worse than no estimate. Every project gets a written price before any work begins, and the 365-Day Done Right Promise covers workmanship for a full calendar year from completion. If something fails, we come back. No haggling. No fee. That’s the whole point of the guarantee.

Our crews serve Long Beach from the brand’s Los Angeles office, with scheduling coordinated so you’re never waiting on a callback. A live person answers our phone at all hours, which matters when a framing inspection gets moved or you spotted water where it shouldn’t be.

Garage Addition Contractors in Long Beach

Garage Addition Contractors in Long Beach do more than frame walls and hang drywall – they have to outsmart the marine layer. A garage addition within a few miles of the coast needs hardware that shrugs off salt fog, because standard zinc-plated screws and tracks don’t. Our quote for a garage addition in Long Beach reflects that from day one, so you’re not paying for a re-do in five years. A typical attached garage addition here runs $85,000 to $165,000 depending on square footage, finish level, and how close you are to the water.

Specifying marine-grade hardware from the first invoice

Most garages get built with whatever screws the lumber yard stocks. Near the coast, that’s a slow leak waiting to happen. We specify 316 stainless fasteners for exterior framing, hot-dip galvanized brackets, and aluminum tracks with stainless rollers for garage doors. The cost difference is real – usually $1,800 to $4,500 on a garage addition – and it buys you a structure that doesn’t rust through its own skin in three years.

Converting versus adding in Long Beach’s older lots

Long Beach’s older neighborhoods, from Rose Park to the Zaferia district, have detached garages that were never built to code for living space. If the slab is cracked or the studs are 24 inches on center from a 1950s build, we tell you before we quote. Sometimes a conversion makes sense. Sometimes it’s cheaper to build new. We’ll show you the numbers both ways and let you decide.

Bathroom Addition Contractor in Long Beach

A second-story addition that matches the existing roofline

A Bathroom Addition Contractor in Long Beach has to think about moisture from two directions: the shower you’re building and the salt fog outside the wall. For Abodu repair in Long Beach, similar moisture protection applies. Bathroom additions here fail most often at the intersection of those two forces – windows that pit, fans that seize, vents that rust shut. We spec bathroom additions for Long Beach with corrosion-resistant window frames, stainless vent hoods, and moisture barriers rated for coastal humidity. A typical bathroom addition runs $45,000 to $85,000 in Long Beach, with the higher end covering a master bath with custom tile and a curbless shower.

Windows and vents that survive salt fog

Vinyl and low-grade aluminum-clad windows are the wrong call in Long Beach. Salt fog pits the cladding within a few years, the seal fails, and you get fogged glass or water running down the inside of the wall. We specify marine-grade aluminum or fiberglass frames for exterior openings, and exhaust fans with sealed motors and stainless housings. It’s not a luxury upgrade. It’s the difference between a bathroom that lasts and one you’re repairing in seven years.

Working with existing plumbing in older Long Beach homes

The California bungalows and Spanish-style homes that make up so much of Long Beach’s housing stock have cast-iron drain lines that are 70 to 90 years old. Before we add a bathroom, we scope the line. If it’s rotted, the addition price has to include a line replacement, and we’d rather tell you that at the estimate stage than after the walls are open. That’s the honest way to price a bathroom addition, and it’s the only way we work.

Trusted Brands We Service in Long Beach

We work with prefab and modular ADU lines including Abodu, Cover, Dvele, and Mighty Buildings, so a Long Beach homeowner who wants a panelized or factory-built addition can compare those options against traditional stick framing with someone who’s actually installed them. We also have experience with Home Addition Contractor in Long Beach projects involving James Hardie cladding systems, which hold up well in salt air when installed with the correct stainless fasteners and flashing details. If a brand-specific part or panel is needed, we coordinate delivery from local suppliers so your schedule doesn’t stall while a truck crosses three states.

Common Home Addition Contractor Problems We See in Long Beach Homes

  • Rusted framing screws and siding failure. Standard zinc-plated screws rust through within 2 to 3 years near the coast. Loose panels and water intrusion follow. We use 316 stainless or hot-dip galvanized fasteners on every exterior connection.
  • Pitted window cladding and fogged glass. Salt fog attacks cheap aluminum and vinyl cladding fast. The seal fails, the glass fogs, and water finds the wall cavity. We spec marine-grade frames and thermally broken aluminum or fiberglass for coastal exposure.
  • Corroded steel fence posts and railings. Standard steel posts near the beach become structural hazards within five years. We specify powder-coated aluminum or hot-dip galvanized steel with sealed bases, and we’ll show you the cost difference before you choose.
  • Paver joints that wash out or grow mildew. Standard sand joints don’t hold up to Long Beach’s winter rain and summer marine layer. We specify polymeric sand with joint stabilizers for patio additions, and we’ll explain what that costs for your square footage.

Pricing for Home Addition Contractor in Long Beach, CA

A detached ADU in Long Beach typically runs $180,000 to $320,000 before site work depending on size and finish. Room additions on an existing structure run $60,000 to $140,000 for a bedroom or family room, $85,000 to $165,000 for a garage addition, and $45,000 to $85,000 for a bathroom addition. The coastal-spec materials we recommend – stainless fasteners, marine-grade windows, sealed paver joints – add roughly 5% to 10% to the total versus an inland spec. The inland spec then costs 20% to 30% of the project cost to repair or replace within a decade. Paying for the right materials now is the cheaper path. Call (472) 248-8213 for a free estimate with a written price before any work starts.

We Also Serve Cities Near Long Beach

Beyond Long Beach, our crews cover Long Beach suburbs and neighboring communities including Signal Hill, Carson, Seal Beach, and Lakewood. If you’re close to the Los Angeles County line and wondering whether we handle your street, call us. If the answer’s yes, you’ll get the same written price and Threshold Standard crew vetting.

Serving Long Beach, CA - Our Local Coverage Area

We’re based in the Long Beach 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 Long Beach

Why Long Beach Chooses Sutton ADU Builders

We set the standard for home addition contractor in Long Beach.

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 Long Beach

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 Long Beach - 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 Long Beach Customers Say

Trusted by homeowners across Long Beach and surrounding areas.

★★★★★

"Backyard ADU for my mother. The project manager showed ID and walked me through the permit steps, the foundation plan, and the schedule. Moved her in on time."

Margaret C. · Verified customer
★★★★★

"Insulated the walls and ceiling properly. It stays comfortable even in July."

Tamika W. · Verified customer
★★★★★

"They handled the drawings and the permit paperwork for us. All I had to do was pick the finishes."

Rosa M. · Verified customer

More ADU services in Long Beach

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

Getting started with Sutton

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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Each location is independently owned and works to the same written standard. Enter your ZIP code to reach yours.

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Read our written promise

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

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