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

Home Addition Contractor in Lakewood - 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.

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Free Estimate on SiteCalls Answered by a Live Person, 24/7Background-Checked TechniciansA Local Team in Long Beach
A new sunroom addition with three walls of windows
A second-story addition that matches the existing roofline
A small deck outside a new ADU
The living room inside a new ADU
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
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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Fast, Reliable Home Addition Contractor Across Lakewood

Adding onto a Lakewood home usually costs between $180 and $420 per square foot, depending on whether you’re bumping out a bedroom, adding a sunroom, or going up for a second story. A typical bedroom addition in Lakewood runs $95,000 to $185,000 total, and most projects take 10 to 16 weeks from permit to final inspection. We know Lakewood’s 1950s and 60s tract homes inside and out, and we quote the real cost before we open a single wall. If you’re planning an addition anywhere in Lakewood, call (562) 362-3885 and we’ll give you a written price, not a guess.

Call (562) 362-3885

Why Benson ADU Long Beach Is Lakewood’s Preferred Home Addition Contractor Company

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

Lakewood homeowners keep calling us because we treat a home addition like a construction project, not a sales pitch. Troy Eastman runs every job with a straightforward rule: the price we put in writing before demo day is the price you pay, unless we both sign off on a change order first. That matters in Lakewood, where homes off Del Amo Boulevard and Carson Street were built tight and tidy in the 1950s, and opening one up often uncovers wiring, framing, and waterproofing that hasn’t been touched since Eisenhower was president. We’ve worked on ranch-style homes near Mayfair Park, storybook-style houses around the Lakewood Country Club, and everything in between. Our Home Addition Contractor team includes background-checked, uniformed technicians who arrive when we say they will, and every project carries a written guarantee and the 365-Day Done Right Promise. That means if something isn’t right within a full year, we come back and make it right, in writing, at no charge.

Lakewood residents also appreciate that we’re authorized to build with brands they can research themselves, including Abodu, Cover, and James Hardie materials. You don’t get a take-it-or-leave-it product. You get curated options with named suppliers and a price for each. And when you call, a live person answers, not a voicemail loop.

Bedroom Addition Contractor in Lakewood

A bedroom addition contractor in Lakewood usually starts by figuring out how the new square footage ties into a 5,000 to 7,000 square foot lot that was platted decades before current setback rules existed. Bedroom additions on Lakewood’s single-story ranch homes typically run $95,000 to $185,000, with most falling in the $115,000 to $150,000 range once permits, finishes, and the inevitable electrical and framing corrections are included. Homeowners add bedrooms when an aging parent moves in, when a second child arrives and the original two-bedroom floor plan stops working, or when a dedicated home office becomes non-negotiable. On Lakewood’s 60-foot-wide lots, a rear-facing bedroom addition is usually the cleanest path because it preserves the front elevation and keeps the mid-century streetscape intact.

Opening Walls on a 1950s Lakewood Ranch

Before we quote a bedroom addition, we inspect the wall where the new square footage will tie in. Lakewood homes built between 1949 and 1965 often have original 2×4 studs that have twisted over seven decades, aluminum branch wiring paired with newer copper, and stucco that has shrunk and cracked along the seams. We write an allowance into the contract for exactly these conditions, so when we find them, you’re not surprised. You see photos, you see a fixed price for the correction, and you approve it in writing before we touch it.

What the City Requires When You Open a Wall

Once a wall is open, Lakewood’s building department requires the exposed portions of the home to meet current code, not 1954 code. That frequently means arc-fault breakers on bedroom circuits, proper header sizing over any opening we widen, and shear wall upgrades if the addition changes the lateral load path. On one 1954 ranch-style home off Centralia Street, our crew opened an existing bedroom wall to tie in an addition and found aluminum wiring paired with copper, a sagging header over the original window, and tar paper that had failed along the stucco seam. We shut down that circuit, wrote a change order with photos and a fixed price, rebuilt the header with an LVL beam, and upgraded the wiring to arc-fault breakers. The permit inspection stayed on schedule because we didn’t guess and we didn’t cut corners.

Sunroom Addition in Lakewood

A single-story rear room addition with tall windows and a new patio

A sunroom addition in Lakewood typically runs $55,000 to $110,000, with the final number driven by whether it’s a three-season room with single-pane glazing or a fully conditioned four-season space with insulated glass and a dedicated mini-split. Lakewood’s mild Mediterranean climate means a sunroom rarely needs air conditioning in the traditional sense, but proper insulation and moisture control matter because of winter rainfall and the coastal fog that rolls in from Seal Beach and Long Beach. Homeowners use sunrooms as breakfast nooks, plant rooms, or quiet sitting spaces that capture morning light off the rear yard without the full cost of a site-built addition.

Neighbor Compatibility and Design Review

Lakewood was built as a meticulously planned community, and that planning still shapes what you can build. A sunroom addition that faces a neighbor’s yard or sits close to a side lot line may trigger a design review, especially if it alters the visual rhythm of the block. We handle the drawings, the neighbor notification, and the review process. Having a contractor who knows Lakewood’s design standards means the sunroom gets approved the first time, not sent back for revisions that burn three weeks.

The Rear Alley Question

Before we quote any detached addition or sunroom in Lakewood, we check whether the property has a rear alley. Many Lakewood homes do have separate rear alleys, which aids ADU access and utility connections. But many do not, and when the garage is the only off-street parking, losing it to a sunroom addition can trigger a variance. We flag that in the first conversation, not after demolition starts. It’s the difference between a fixed price and a moving target.

Trusted Brands We Service in Lakewood

We build with brands Lakewood homeowners can look up and verify on their own. That includes Abodu and Cover for prefab panel systems that cut framing time, and James Hardie cladding when the addition needs to match existing stucco without the maintenance headaches. We keep commonly specified materials stocked for Lakewood jobs, so a replacement panel or a change in exterior finish doesn’t stall the schedule for two weeks. You’ll see brand names on your written quote, not vague phrases like “quality materials.”

Common Home Addition Contractor Problems We See in Lakewood Homes

  • Original 2×4 framing that has twisted or shrunk. Lakewood tract homes from the 1950s and 60s used green lumber that dried in place over decades. When we open a wall, we often find studs that won’t accept a straight drywall line without correction.
  • Aluminum branch wiring paired with copper. This was common in Lakewood homes built in the 1960s. Once a wall is open, current code requires us to address it, and we include a written allowance so you know the cost before we find it.
  • Failed waterproofing at stucco seams and window openings. Lakewood’s winter rainfall and persistent coastal fog mean old tar paper and 1950s flashing eventually rot. Cutting into a wall during an addition is the moment you discover it.
  • No rear alley, and a garage that’s the only off-street parking. Many Lakewood lots have separate alleys, but those without often need creative site planning to avoid losing parking when an addition or ADU takes over the garage footprint. We check this before quoting.

Pricing for Home Addition Contractor in Lakewood, CA

Here’s what Lakewood homeowners can expect. A bedroom addition runs $95,000 to $185,000. A sunroom addition runs $55,000 to $110,000. A second-story addition runs $220,000 to $400,000, and a bump-out addition of 150 to 250 square feet runs $45,000 to $85,000. What moves the number most is what’s inside your walls, particularly on Lakewood’s 1949 to 1965 housing stock where original wiring, framing, and waterproofing are nearly guaranteed to trigger code upgrades. We handle that with a written allowance and photo-backed change orders, so the final price stays close to the first one. Call (562) 362-3885 for a free estimate on your Lakewood addition. You’ll get a line-item price, not a ballpark.

We Also Serve Cities Near Lakewood

Our crews work throughout the area around Lakewood, including Long Beach, Signal Hill, Seal Beach, and Artesia. If you’re just outside the city line, we can still help. See our Home Addition Contractor in Lakewood page for details on how we serve the surrounding neighborhoods, or call (562) 362-3885 and tell us your cross streets.

Serving Lakewood, CA - Our Local Coverage Area

We’re based in the Lakewood 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 Lakewood

Why Lakewood Chooses Benson ADU Long Beach

We set the standard for home addition contractor in Lakewood.

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 Lakewood

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 Lakewood - 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 Lakewood Customers Say

Trusted by homeowners across Lakewood and surrounding areas.

★★★★★

"Clean, quiet crew. They respected the neighbors, kept noise to working hours, and swept the driveway every evening."

Hope C. · Verified customer
★★★★★

"Booked a consult online and met the project manager two days later. Weekly progress updates arrived by text with photos. ADU finished on schedule."

Hannah W. · Verified customer
★★★★★

"Plumbing and electrical passed on the first inspection."

Alan B. · Verified customer

More ADU services in Lakewood

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

Getting started with Benson 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.

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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 Benson 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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(562) 362-3885

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