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

General Contractor in Northridge - 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 wide opening with a new beam where the kitchen wall was removed
A garage converted into a guest room and home office
A whole-home remodel with the living, dining and kitchen areas opened up
A galley kitchen opened up to the dining room with a new peninsula
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
Every visit starts with

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 Northridge

If you’re searching for a General Contractor in Northridge, you’re likely staring at a remodel, addition, or renovation and trying to figure out what it should actually cost and who you can safely let through the door. We’re Mason Remodeling, and we’ve handled everything from 1950s tract-home kitchen gut jobs to full ADU builds across Northridge, Reseda, and Porter Ranch. A realistic kitchen remodel here runs $14,000 – $45,000, a bathroom $9,000 – $28,000, and a home addition $45,000 – $130,000. You’ll get a written price before any work starts, and every crew member who steps onto your property is background-checked, identity-verified, and introduced to you by name and photo before arrival. Call (803) 680-2547 for a free estimate.

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Key Takeaways:

  • Written price delivered before any work begins, on every project, no exceptions.
  • Every technician is background-checked and introduced by name and photo before arrival.
  • 365-Day Done Right Promise: if work isn’t right within a year, we make it right at no cost.
  • Real Northridge price ranges listed below, calibrated to 1950s – 60s tract-home conditions.

Why Mason Remodeling Is Northridge’s Preferred General Contractor Company

A finished backyard cottage with a small covered porch

Northridge homeowners tend to ask the same three questions before they sign anything: who exactly is showing up, what’s the real price, and what happens if something fails. Those are the right questions. Our crews roll into neighborhoods around CSUN, Dearborn Park, and the Northridge Fashion Center area in marked uniforms, wearing photo ID badges at the door, and you’ll already have their names and photos on your phone before they ring the bell. That’s The Threshold Standard, and it’s how we’ve operated since 2004 as a Threshold Group company.

We’re not here to win a race to the bottom on price. We’re here to scope the job correctly the first time, so the number on your written quote is the number that survives the work. That matters in Northridge, where a 1963 ranch house off Balboa Boulevard and a 1980s two-story near Granada Hills have completely different framing, plumbing, and electrical realities underneath the drywall. Isaac Pruett, our owner, reviews every Northridge project scope personally before it goes to quote.

Every project we complete in Northridge carries a written guarantee with clearly stated coverage terms, including what’s excluded and for how long: 365 days from the completion date. If a repair or installation fails, you get a free second visit at no charge.

Explore

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 Northridge

A construction company in Northridge handles the structural work: room additions, garage conversions, ADU construction, and any project that requires permits, engineered drawings, and inspections. This is the part where experience in Northridge’s specific housing stock matters most. Much of the single-family inventory between Nordhoff Street and Lassen Street was built in the 1950s and 1960s tract boom, which means original 2×4 framing, cast-iron waste lines, and 100-amp electrical panels hiding behind drywall. A construction company that prices off the visible surface will miss those. We don’t.

Room Additions and ADUs

Room additions in Northridge typically run $45,000 – $130,000 depending on square footage, foundation type, and whether the existing panel has the capacity to carry the new load. ADU construction runs $90,000 – $220,000, and because Northridge sits in a high-fire-severity zone along the Santa Monica Mountains foothills, exterior scopes often trigger brush-clearance and roof-class requirements that inland flatland cities don’t face. We pull all permits and coordinate inspections so the sign-off is clean.

Garage Conversions

Converting a detached garage in Northridge runs $30,000 – $80,000. Common complications include raising the floor to meet living-space code, running new sewer lines from the original slab, and upgrading the electrical service. We scope these line-by-line before quoting, so you’re not surprised at rough-in.

Remodeling Contractor in Northridge

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

A remodeling contractor in Northridge handles kitchens, bathrooms, and whole-home interior work that often requires demolition, framing repairs, and finish carpentry. Northridge’s 1950s – 60s ranch homes are full of load-bearing walls that look innocent until you open them. On a 1962 ranch house off Balboa Boulevard near Dearborn Street, our crew opened a galley kitchen wall only to find a load-bearing header over the old pass-through and a subfloor that had swelled from a decades-old slow leak under the sink. We pulled the right permits, added a change order for the header and subfloor repair, and finished with KraftMaid cabinets, a Cambria counter, and a Moen faucet. The homeowner got the open plan they wanted, and the inspection sign-off cleared on the first pass.

Kitchen Remodels

Kitchen remodels in Northridge run $14,000 – $45,000 for a full gut and rebuild, with smaller kitchens starting around $9,000 – $20,000. Cabinet installation alone is $4,000 – $13,000, and countertops run $2,000 – $6,500. The big cost drivers are layout changes, plumbing relocation, and any structural work behind the walls.

Bathroom Remodels

Bathroom remodels run $9,000 – $28,000, with small baths starting at $5,000 – $12,000. Walk-in shower installations run $4,500 – $12,000. If your home still has original galvanized supply lines, budget to replace them while the walls are open. Leaving them in saves money now and costs more later.

Trusted Brands We Service in Northridge

We install specification-grade materials from brands vetted for long-term performance, and we stock common replacement parts locally for Northridge customers. That means faster turnaround on punch-list fixes and warranty follow-ups without waiting on shipped parts. For kitchens, we work with KraftMaid and Wellborn cabinetry, Cambria and Silestone surfaces, and Kohler, Moen, and Grohe fixtures. For exterior scopes, we specify GAF and Owens Corning roofing systems. If you’re considering a prefab ADU, we’ve worked with Abodu and Cover and can coordinate as your General Contractor team on the site work, foundation, and utility connections.

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 Northridge Homes

  • 1950s galvanized supply lines: These corrode from the inside and often fail during a remodel, once the water is shut off and turned back on. If your home hasn’t had a re-pipe, budget for it.
  • Undersized 100-amp electrical panels: Adding a kitchen island with outlets, a second bath, or an ADU often requires a panel upgrade. We flag this during scoping, not mid-job.
  • Load-bearing walls in ranch layouts: Many Northridge galley kitchens have a structural header over the pass-through. Opening that wall without proper support is dangerous and will fail inspection.
  • High-fire-zone exterior rules: Repairs and additions near the Santa Monica Mountains foothills trigger brush-clearance and fire-rated roof or siding requirements that add cost and review time.

Pricing for General Contractor in Northridge, CA

Here are the real numbers we quote in Northridge today. These ranges reflect the actual conditions in our housing stock: slab foundations, 2×4 framing, aging plumbing stacks, and high-fire-zone exterior requirements. A verbal estimate from a walkthrough is not a price. A written scope of work, line-itemed, is a price. We deliver the latter before any tools come off the truck.

Project Type Northridge Price 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
Walk-In Shower Installation $4,500 – $12,000
Home Addition $45,000 – $130,000
ADU Construction $90,000 – $220,000
Garage Conversion $30,000 – $80,000
Roof Replacement $8,000 – $20,000

The biggest cost variables in Northridge are structural surprises behind walls, plumbing replacement, electrical panel upgrades, and fire-zone exterior requirements. We price those risks into the written quote, so there’s no change-order bomb at rough-in. Call (803) 680-2547 to schedule a free estimate and get a written line-item price.

We Also Serve Cities Near Northridge

Our General Contractor team covers the entire west San Fernando Valley. We serve Reseda, Porter Ranch, Chatsworth, and Granada Hills, bringing the same written-price standard, the same verified crews, and the same 365-Day Done Right Promise to every job. Dispatch and scheduling are coordinated from our Los Angeles office, and crews serve Northridge locally.

Serving Northridge, CA - Our Local Coverage Area

We’re based in the Northridge 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 Northridge

Why Northridge Chooses Mason Remodeling

We set the standard for general contractor in Northridge.

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 Northridge

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 Northridge - 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 Northridge Customers Say

Trusted by homeowners across Northridge and surrounding areas.

★★★★★

"Basement refinish with egress window. Drywall finish is smooth and the electrician was tidy."

Kyle S. · Verified customer
★★★★★

"Written scope, fixed price, and weekly updates. No change orders we hadn't agreed to."

Carlos H. · Verified customer
★★★★★

"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

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 powder room with botanical wallpaper and a stone sinkA 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 cabinets

More remodeling services in Northridge

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.

A project lead measuring a kitchen with the homeowner during a free estimate

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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A remodeling crew arriving at a home with lumber and tools

Find your local team

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

A worker laying floor protection and a dust barrier before work starts

Read our written promise

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

Our promise

Current Offers

Bring these savings to your next appointment.

Free On-Site Estimate & Written Quote

No obligation. We measure, price the job in writing, and the quote is yours to keep.

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Written Price Before Any Work Starts

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Included

Written Guarantee on Every Repair

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Free

Free Second Visit if the Repair Fails

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