A new rear addition with a vaulted beamed ceiling and tall windows
General Contractor · Downey, CA

General Contractor in Downey - Written Fixed-Price Quotes, Permits Handled

Free on-site estimate and a written, line-item quote before any work begins. One contract, one crew, one accountable point of contact. Licensed, insured, permits handled.

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A single-story rear room addition with tall windows and a new patio
A second-story addition that matches the existing roofline
A walk-in shower with large-format tile and a built-in niche
A remodeled family room with new windows and a window seat
A stone counter, tile backsplash and open shelf after a kitchen remodel
A remodeled hall bathroom with subway tile and a floating vanity
A remodeled primary suite with built-in wardrobes and a window seat
New painted shaker cabinets with an organized deep drawer
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Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled

Your dream remodel for as low as$199/month*On approved credit; ask for current terms
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Fast, Reliable General Contractor Across Downey

Most Downey homeowners asking about a General Contractor want the same three things before anything else: who is coming to their door, what the job will cost in writing, and what happens if something goes wrong. We answer all three before we ever ask for a signature. Mason Remodeling runs crews into Downey from our Los Angeles metro office, so scheduling is local and response is measured in days, not weeks. If you’re planning a kitchen remodel, a room addition, or a whole-home update in Downey, call (803) 680-2547 and you’ll get a live person who can talk scope, permits, and honest pricing right then.

Call (803) 680-2547

Here is the short version of how we work in Downey. You get a written price before any work starts. You get the name and photo of every technician before they arrive, and that technician shows a photo ID badge at your door. And every completed job carries our 365-Day Done Right Promise: if the work is not right within a year of completion, we make it right at no cost to you. That is the Downey standard we work to, and it is in writing on every project.

Why Mason Remodeling Is Downey’s Preferred General Contractor Company

A finished backyard cottage with a small covered porch

Downey homeowners tend to call us for the same reasons. This is a city of mid-century tract homes, many built in the 1950s and 1960s and still owned by the same family for decades. Those homes hide conditions that a walkthrough cannot reveal: cast-iron drain lines under the slab, aluminum wiring behind the drywall, and walls that are doing more structural work than anyone assumed. We budget for discovery in Downey because the housing stock almost guarantees it. Our crews know what a 1962 Downey foundation looks like when you open it, and that changes how we write the scope, the schedule, and the price.

Isaac Pruett leads our Downey work, and every person on his crew carries the Threshold Standard: background-checked, identity-verified, in a clean marked uniform, ID badge on arrival, introduced by name and photo before the visit. You will never wonder who is walking up your driveway. Homeowners in Downey, especially those home alone or with young kids, have told us the photo-before-arrival policy is the reason they felt comfortable hiring us over a faceless estimate. It costs you nothing, and it is never waived.

Our reputation in Downey is built on written pricing and written guarantees, not on handshake verbal estimates. Every quote we deliver is a fixed written price. If something hidden changes the scope mid-project, you get a written change order with a signed price before we proceed. No surprise invoices. No “we’ll settle up at the end.” That is why Downey references keep coming back for the second project, the addition after the kitchen, the ADU after the bathroom.

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Styles & brands we work with

Kitchen remodeling
Kitchen remodeling
Bathroom remodeling
Bathroom remodeling
Home additions & ADU
Home additions & ADU
Roofing
Roofing
Windows & doors
Windows & doors
Driveway & pavers
Driveway & pavers
Fence
Fence

Construction Company in Downey

Hiring a Construction Company in Downey means bringing in a licensed firm that manages permits, crews, subcontractors, inspections, and the calendar, so you are not coordinating six different trades yourself. For a Downey homeowner, most construction work falls into two buckets: structural changes like room additions, load-bearing wall removal, or an ADU, and full-scope remodels that touch electrical, plumbing, and framing at once. On the structural side, a Downey home addition runs $45,000 to $130,000 depending on foundation work, roofline, and whether you are adding a bathroom or kitchen into the new footprint. An ADU in Downey runs $90,000 to $220,000 citywide, and a garage conversion runs $30,000 to $80,000.

Structural work done to code

Downey pulls permits through the city’s Building and Safety division, and structural work will not pass without a plan review and inspections. We handle that end to end. That means drawing the scope, submitting for permit, scheduling the inspector, and standing with you at final sign-off. A Downey inspector will look at the framing, shear wall, foundation tie-downs, and the rough-in before drywall goes up. If a wall is load-bearing, we bring in a structural engineer and add the beam with the permit in hand, not after the fact.

Hidden conditions in mid-century Downey homes

This is the part no one sees on the estimate from a less experienced bidder. Downey’s 1950s and 1960s houses often have cast-iron waste lines that are near the end of their life, aluminum branch wiring that does not meet current code for new circuits, and framing that was fine for its era but undersized by today’s standards. When walls open, those conditions come out. A good construction company in Downey budgets for that discovery in the original price. A bad one prices the visible finish only and turns every surprise into an angry change order. We price the realistic job.

Remodeling Contractor in Downey

A wide opening with a new beam where the kitchen wall was removed

A Remodeling Contractor in Downey handles the scope you can touch and walk through: kitchens, bathrooms, flooring, cabinets, counters, and the finishes that turn a dated 1960s floor plan into something current. In Downey, a full kitchen remodel runs $14,000 to $45,000, with smaller kitchens landing between $9,000 and $20,000. A full bathroom remodel in Downey runs $9,000 to $28,000. Those are honest ranges for this market, and they include the discovery work that older Downey homes require. If a contractor quotes you a kitchen remodel for $6,000 in Downey, that quote is missing something, usually the permit, the rough-in, or the contingency.

Kitchen remodels that fit the original floor plan

Downey kitchens from the 1950s and 1960s were built compact. The galley layout near Furman Park, near Downey Avenue, near Stonewood Center, those are real 9-by-11-foot footprints with a load-bearing wall sitting right where you want to open the space. We plan remodels around that reality. Sometimes the right answer is a beam and an open plan. Sometimes the right answer is keeping the wall and reworking the cabinet layout to gain usable space without touching structure. Either way, we show you the written price for both options before you choose.

Bathrooms with old rough-in

The 1950s Downey bathroom usually has a cast-iron tub drain set in a concrete slab, a valve rough-in that does not match any modern fixture, and a subfloor with decades of moisture around the toilet flange. We budget the tub-to-shower conversion or vanity install around that reality, because we have opened enough Downey slabs to know what is underneath. You get a written line-item price that already accounts for the drain, the valve, and the subfloor repair, so the number you sign is the number the job matches unless you change the scope yourself.

Trusted Brands We Service in Downey

When a Downey job calls for a factory-built ADU or a panelized addition, we work with the brands homeowners ask about: Dvele, Abodu, and Mighty Buildings. These are specification-grade building systems, and we know how to prepare the Downey site for them: foundation, utilities, setbacks, and the city’s plan check. Inside the home, we install KraftMaid and Wellborn cabinetry, Cambria and Silestone surfaces, and Kohler, Moen, and Toto fixtures, all covered under our project guarantee. Because we order from distributor relationships, Downey customers get real lead times, not a showroom guess. Fast, accurate material availability matters when your kitchen is torn apart and you are washing dishes in the bathroom sink.

Before & after

See the difference

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Common General Contractor Problems We See in Downey Homes

  • Aluminum wiring behind mid-century drywall. Downey homes built before 1972 often have aluminum branch circuits. Modern kitchens and baths need dedicated 20-amp circuits with copper, and the inspector will require the panel work to match. We price that so you do not learn about it mid-rough-in.
  • Cast-iron drain lines at the end of their life. A 1958 Downey slab hides cast-iron waste pipe that corrodes from the inside out. When a bathroom remodel opens the floor, that pipe is exposed, and replacing it before the tile goes down is cheaper than after. We show you what we found and get your sign-off before any extra work happens.
  • Surprise load-bearing walls in galley kitchens. A wall that looked non-structural on the original Downey floor plan turns out to be carrying the roof or the second story. We saw this at a kitchen remodel near Furman Park: a family wanted the galley opened to the dining room, and the wall was load-bearing. We pulled the permit, brought in the engineer, added the beam, and finished on schedule because the contingency was already in the written price.
  • Unpermitted prior work from decades ago. We open Downey walls and find electrical or plumbing that was never permitted in the 1980s or 1990s. At resale or refinance, the buyer’s inspection flags it. We bring that rough-in up to current code and gets it signed off, so the finished project is legitimate from the studs out.

Pricing for General Contractor in Downey, CA

Downey’s mid-century housing stock means honest pricing has to include discovery. The visible finish is not the only cost, and any Downey contractor who prices only the surface is setting you up for a change-order fight. Here is what we see in the current Downey market:

Project Type Typical Downey Range
Kitchen Remodel $14,000 – $45,000
Small Kitchen Remodel $9,000 – $20,000
Cabinet Installation $4,000 – $13,000
Countertop Installation $2,000 – $6,500
Bathroom Remodel $9,000 – $28,000
Home Addition $45,000 – $130,000
ADU Construction $90,000 – $220,000
Garage Conversion $30,000 – $80,000

What moves the number in Downey specifically: whether you have a slab or raised foundation, whether the original cast-iron drain is still in service, whether the wall you want to remove is carrying load, and whether your panel has room for the new circuits. We put every one of those line items in writing before work starts. Call (803) 680-2547 for a free estimate and a written price on your exact scope.

We Also Serve Cities Near Downey

Our crews serve Downey and the surrounding communities, including Bell Gardens, Santa Fe Springs, Paramount, and Bellflower. If you are in one of those areas and planning a remodel or addition, the same written pricing and Threshold Standard apply. Call us and we will schedule a time to walk your home and build the scope.

Serving Downey, CA - Our Local Coverage Area

We’re based in the Downey 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 General Contractor in Downey

Why Downey Chooses Mason Remodeling

We set the standard for general contractor in Downey.

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 Downey

Getting your general contractor handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your general 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 Downey - 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 general 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 Downey Customers Say

Trusted by homeowners across Downey and surrounding areas.

★★★★★

"Bathroom gut job. Replaced the old tub with a walk-in shower and added a niche. Waterproofing was done properly with a flood test before tile."

Greg L. · Verified customer
★★★★★

"Very respectful in the house. Shoe covers every day and a cleanup every evening."

Alma V. · Verified customer
★★★★★

"Opened up the wall between kitchen and dining room. They handled the beam and permit and the floor transitions look seamless."

Wendy A. · Verified customer

Ideas for every room in the house

Built-ins, window seats, family rooms and staircases: the changes that make a whole house work better.

Read our remodeling guides
A remodeled laundry and mudroom with a bench, cubbies and painted cabinetsA built-in window seat in a bay windowA dining nook with a built-in banquetteA home office with a built-in desk and shelvesA remodeled kitchen with a waterfall island and wood cabinetsA wood double vanity with two mirrors after a bathroom remodel

More remodeling services in Downey

Every project below starts the same way: a free on-site visit and a written price.

Getting started with Mason

Every project starts with a conversation and a written price. Here is how to take the first step.

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Free on-site estimate

A project lead walks the job with you, measures it and hands you a written, line-item price. No obligation.

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