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

General Contractor in South San Francisco - 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 second-story addition that matches the existing roofline
A wide opening with a new beam where the kitchen wall was removed
A remodeled living room with built-in shelves around the fireplace
An open kitchen and dining area after a remodel
A freestanding soaking tub in a remodeled primary bathroom
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
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 South San Francisco

Most South San Francisco homeowners calling a General Contractor are standing in a kitchen with 1960s wiring, a bathroom with rot behind the tile, or a garage they want turned into an ADU. We know those homes. South San Francisco’s mid-century tracts along El Camino Real and up into the Westborough hills share a specific set of conditions: Eichler-era post-and-beam framing, legacy knob-and-tube remnants, and additions that were never permitted. A kitchen remodel here typically runs $16,520 – $53,100, and a bathroom remodel $10,620 – $33,040. But the number that matters most is the one you see before demo starts. Call (803) 680-2547 and we’ll put a written price in your hands before a single tool comes off the truck.

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Why Mason Remodeling Is South San Francisco’s Preferred General Contractor Company

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

We’ve walked enough South San Francisco homes to know what’s behind the walls before we open them. That matters when you’re pricing a project in Sunshine Gardens, Terrabay, or the older Alta Loma tract. Mid-century construction here was built fast and tight, which means load paths don’t always match what the original plans show. We bid for that reality, not for a best-case scenario.

South San Francisco homeowners tell us the same thing: they want to know who’s walking through the door. Every Mason Remodeling crew member follows the Threshold Standard. That means background-checked, identity-verified, uniformed, and introduced to you by name and photo before the visit. Our lead arrives with a photo ID badge at your door. No surprises, no strangers.

Isaac Pruett leads our team with a simple rule: the written price comes first. Always. Not after the walkthrough, not after the demo. Before any work starts, on every project, every time. That’s not a promotion. It’s how we’ve operated since 2004 as part of the Threshold Group family of home-service companies.

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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

Residential General Contractor in South San Francisco

A residential General Contractor in South San Francisco coordinates the full build: demo, framing, electrical, plumbing, tile, finish carpentry, inspections, and sign-off. What you’re really hiring is someone who knows the city’s permit counter, what the inspectors look for, and which subcontractors actually show up on the Peninsula. When a South San Francisco homeowner takes on a kitchen remodel, the permit package typically needs to account for structural verification if any wall moves, plus electrical and plumbing rough-in sign-offs before drywall closes. The work itself usually lands between $16,520 and $53,100, driven by cabinet grade, countertop material, and what demo uncovers.

Permit-Ready Project Planning

Before we submit anything to the city, we pull the property’s permit history. South San Francisco has thousands of homes built between 1950 and 1975, and a surprising number carry open permit histories or unpermitted additions from decades ago. We map that before we bid, so the number we give you reflects what the city will actually require, not what a quick walkthrough suggests.

Hidden Conditions, Honest Allowances

We set allowances as real line items. If your contract says $2,360 – $7,670 for countertops, we tell you exactly what that buys. When a homeowner chooses Cambria or Caesarstone over basic porcelain, that’s a decision made before the slab is cut, not a surprise invoice at the end. You’ll see the price difference in writing before you commit.

Hire a General Contractor in South San Francisco

A garage converted into a guest room and home office

When you hire a General Contractor in South San Francisco, you’re buying a process, not just labor. The contractor is the one pulling permits, scheduling inspections, managing the sub trades, and standing behind the final product. A home addition in South San Francisco runs $53,100 – $153,400. An ADU construction project runs $106,200 – $259,600. Those are wide ranges because the scope varies enormously: a detached ADU behind a Terrabay home involves foundation, utility connections, and separate meter work, while a garage conversion in an older tract near Linden Avenue might only need insulation, drywall, and a bath rough-in.

What the Contract Should Actually Say

Read any contract you sign and look for one thing: are allowances fixed or itemized? A tile allowance quoted as “basic porcelain” gets spent fast when you pick a real stone. We write allowances as dollar amounts tied to actual material grades, so you know before you sign what your $945 – $2,950 backsplash budget actually covers.

Who Shows Up at Your Door

Every Mason Remodeling technician is introduced by name and photo before arrival. Our crews wear clean marked uniforms and carry photo ID badges at the door. If you’re home alone, or you have young kids, that’s not a nicety. It’s the reason you can let us in without hesitation.

Trusted Brands We Service in South San Francisco

South San Francisco homeowners often ask about modern prefab options like Abodu, Cover, or Dvele, especially when planning an ADU. We’ll work alongside those systems when they make sense for your lot, and we stock and install professional-grade materials across the board: KraftMaid and Wellborn cabinetry, Cambria, Silestone, and Caesarstone surfaces, Kohler, Moen, and Toto fixtures. We carry these lines because they hold up in coastal Bay Area air, and because our South San Francisco customers can see and touch samples before committing.

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 South San Francisco Homes

  • Non-permitted additions from decades past. A South San Francisco homeowner buys a house, plans a remodel, and the permit pull reveals a family room or extra bath that was never signed off. We clear the history and fold the correction into the scope before demo starts.
  • Legacy wiring that fails rough-in inspection. Older homes near Westborough and Alta Loma often still carry ungrounded circuits. Bringing them to current code adds cost, and we build that into the bid so you’re not surprised when the inspector flags it.
  • Load-bearing walls hidden behind drywall. Sunshine Gardens ranches and similar mid-century plans look open-concept, but the framing tells a different story. We verify load paths with a structural engineer before we cut anything.
  • Allowance shock on finishes. A contract that says “tile allowance” without specifying the grade is a blank check for change orders. We price the exact material, then write it down.

Pricing for General Contractor in South San Francisco, CA

Here’s what real South San Francisco projects cost in today’s market. These are the numbers we quote, and they’re the numbers that hold.

Project Type Typical South San Francisco Range
Kitchen Remodel $16,520 – $53,100
Bathroom Remodel $10,620 – $33,040
Home Addition $53,100 – $153,400
ADU Construction $106,200 – $259,600

What moves the number? Cabinetry grade is the biggest driver on kitchens. KraftMaid semi-custom runs higher than stock. Countertop material matters too: basic quartz starts around $2,360, while a Cambria slab can push past $7,670. On additions and ADUs, foundation work, utility runs, and lot access are the variables. We give you the written price before any work begins, and it stays the price. The 365-Day Done Right Promise backs every project: if something isn’t right within a year of completion, we make it right at no cost to you.

We Also Serve Cities Near South San Francisco

While this page focuses on South San Francisco, our crews regularly work in Brisbane, Daly City, San Bruno, and Millbrae. If you’re just over the line in San Bruno near the 380 corridor or up in the Daly City hills, we can help. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, with local crews serving South San Francisco directly.

Serving South San Francisco, CA - Our Local Coverage Area

We’re based in the South San Francisco 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 South San Francisco

Why South San Francisco Chooses Mason Remodeling

We set the standard for general contractor in South San Francisco.

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 South San Francisco

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 South San Francisco - 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 South San Francisco Customers Say

Trusted by homeowners across South San Francisco and surrounding areas.

★★★★★

"Kitchen remodel with new cabinets, quartz counters, and a tile backsplash. Crew had ID and were background checked. Kept the work area clean and sealed off dust from the rest of the house."

Janice D. · Verified customer
★★★★★

"Good work on the hall bath. They found a rotted subfloor, which added cost, but showed me photos and a clear price first."

Neil P. · Verified customer
★★★★★

"Great quality tile work. The countertop template slipped by a week, but the project lead explained and kept us updated."

Susan Y. · 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 hall bathroom with subway tile and a floating vanityA remodeled primary suite with built-in wardrobes and a window seatNew painted shaker cabinets with an organized deep drawerA remodeled hall bathroom with patterned floor tile and painted wallsA remodeled staircase with wood treads and a slim metal railingA small remodeled galley kitchen with cabinets to the ceiling

More remodeling services in South San Francisco

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

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(803) 680-2547

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