Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Home Remodeling Across San Mateo
Home remodeling in San Mateo means working on homes that are older than almost anywhere else on the Peninsula. We’re talking pre-war bungalows off North Humboldt Street, 1960s tract homes in the eastern flats near Shoreview, and hillside properties west of El Camino Real where the soil itself shapes what’s possible. Our crews know these houses because we’ve opened enough walls here to know exactly what’s behind them. If you’re planning a remodel anywhere in San Mateo, call (855) 901-7266 for a free estimate and we’ll walk your property with you before you spend a dime.
Key Takeaways:
- Most San Mateo remodels uncover wiring, framing, or waterproofing issues the original plans didn’t account for
- We write allowances and change orders so surprise conditions are priced and approved before work continues
- Our crews schedule around San Mateo’s November-to-March rain window and front-load exterior work before the wet season
- One contract covers everything from foundation retrofit to kitchen cabinetry, windows, and roof
Why San Mateo Construction Is San Mateo’s Preferred Home Remodeling Company
San Mateo homeowners have a specific problem: the city is nearly built out, which means nearly every project here is a remodel, addition, or ADU on an existing lot. We’ve worked through the planning department’s reviews on SB 9 lot splits, soft-story retrofits, and hillside foundation upgrades west of El Camino. That’s not something a contractor learns on the first job. Noel Carrington built San Mateo Construction around the reality of this market: tight lots, narrow streets, older housing stock, and homeowners who need one accountable team instead of a patchwork of subs.
Our Home Remodeling team manages the full scope under one contract. Re-roofing the house, replacing windows, remodeling the kitchen, and installing a paver driveway are all the same project to us. The homeowner gets one point of contact for scheduling, permits, material procurement, and quality control. When you’re living in a house during a remodel, that single-accountability model matters more than anything else we do.
Styles & brands we work with
Home Remodeling Contractor in San Mateo
A Home Remodeling Contractor in San Mateo handles the full project, from demolition to final inspection, including permits, subcontractor coordination, and material sourcing. You need one when the job touches multiple systems: structural work plus finishes, or exterior work plus interior spaces. San Mateo’s housing stock makes this almost unavoidable. A typical kitchen remodel here runs $14,000 – $45,000, and a full bathroom remodel lands between $9,000 and $28,000, with cost driven by what we find once walls are open and what code upgrades the permit triggers.
Structural and code-upgrade scope
When we open a wall in a San Mateo home built before 1960, we often find knob-and-tube or early rigid conduit wiring, undersized joists, and framing that never met any modern code. We write a change order, price it, and get your written approval before we touch it. That’s the only honest way to run a remodel here.
Interior finish and brand selection
Once the hidden conditions are handled, we help you choose materials from a curated set of brands: Cambria or Caesarstone countertops, Kohler or Grohe plumbing fixtures, KraftMaid or Wellborn cabinetry. We don’t throw a catalog at you. We walk through what fits your budget and what’s actually available, then we order it.
Home Remodeling Companies in San Mateo
Most Home Remodeling Companies in San Mateo specialize in one thing: kitchens, bathrooms, or exterior work. San Mateo Construction runs differently. One license, one contract, one responsibility for the whole project. That matters on a 1940s bungalow where opening a kitchen wall reveals wiring issues that spread into a bathroom remodel, which then affects the roof line. A home addition here runs $45,000 – $130,000. An ADU, which San Mateo’s SB 9 rules now make possible on many single-family lots, lands between $90,000 and $220,000 depending on whether you go stick-built or prefab through a manufacturer like Boxabl or Plant Prefab.
Whole-home and addition work
Additions in San Mateo’s hillside neighborhoods west of El Camino Real routinely require engineered retaining walls and pier foundations to handle expansive clay and slope creep. In the flatlands near the Bay, high water tables mean sump pumps and moisture barriers on any significant addition. We plan for this before the first shovel goes in.
ADU and garage conversion scope
We build ADUs and convert garages, pulling permits the city of San Mateo’s planning department will actually approve. Whether you choose a prefab line like Boxabl or a conventional build, we handle site prep, foundation, utilities, and finish.
Trusted Brands We Service in San Mateo
We stock and install across every major home system, and we’re specific about what we carry. James Hardie siding for the fog and moisture that hits north-facing walls, GAF and Owens Corning roofing systems built for San Mateo’s wet winters, and PGT windows when you want impact-rated glass. For ADUs and prefab construction, we work with manufacturers including Boxabl and Plant Prefab. When a San Mateo customer needs replacement parts or wants to compare a premium-tier fixture against a proven value option like Delta or American Standard, we can show both. That brand depth is the difference between a contractor guessing and a contractor who’s installed it before.
See the difference
Before
After
Before
After
Before
AfterCommon Home Remodeling Problems We See in San Mateo Homes
- Knob-and-tube wiring behind every other wall. Pre-war and mid-century homes across San Mateo’s core still have active knob-and-tube or early rigid conduit. Opening a wall for any reason triggers a code requirement to replace it, and that’s a change order written on the spot.
- Unpermitted additions hiding in plain sight. We regularly find rooms added without permits, with framing that was never inspected and electrical spliced illegally. When demo exposes it, the permit revisions and corrections land in the contract as a written line item, not a verbal estimate.
- Failed waterproofing under old stucco. San Mateo sits in a coastal fog belt, and north-facing walls hold moisture for months. Rot and mold behind stucco spreads behind new finishes if you don’t strip it, treat it, and rebuild the waterproofing correctly.
- Expansive clay and slope creep on hillside lots. West of El Camino Real, additions and foundation work hit clay soils that shift seasonally. Pier foundations and retaining walls aren’t optional there, and we engineer them before we build.
Pricing for Home Remodeling in San Mateo, CA
Here’s what San Mateo homeowners should expect to pay for the most common scopes. These are real ranges from our recent San Mateo work, not national averages.
| Project | San Mateo Price Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
What changes these numbers in San Mateo specifically: the age of your home, whether we find unpermitted work, whether the permit triggers wiring or structural upgrades, and whether your lot is in the hills or the flats. We write allowances into every contract for materials like cabinets, countertops, and fixtures, so you’re choosing from a real brand selection, not whatever the supplier happens to have. Call (855) 901-7266 and we’ll give you a written line-item estimate for your specific house.
We Also Serve Cities Near San Mateo
Our crews work across the mid-Peninsula, including Highlands-Baywood Park, Foster City, Belmont, and Hillsborough. If you’re in one of those cities and planning a remodel, visit our Home Remodeling in San Mateo page to see how we handle the region’s older housing stock and local permit requirements.
Serving San Mateo, CA — Our Local Coverage Area
We’re based in the San Mateo 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 Remodeling in San Mateo
We treat every discovery as a change order: we document what we found, write a specific scope for the correction, price it, and get your written approval before we do the work. That’s the only way to keep an older San Mateo home remodel financially honest. On a 1940s bungalow off North Humboldt Street, our crew opened the kitchen wall to find knob-and-tube wiring spliced into an unpermitted addition and undersized floor joists. We wrote a change order to upgrade the electrical rough-in to current code and sister the joists before any new cabinets went in, then walked the homeowner through inspection sign-off after a full punch list. The project stayed on schedule through the rainy season because we front-loaded the rough-in and waterproofing before the November rains hit. Call (855) 901-7266 to talk through your specific walls.
If we open a wall in a San Mateo home built before 1960, current code typically requires replacing knob-and-tube or early rigid conduit wiring, bringing framing up to current seismic standards, and adding GFCI and AFCI protection to affected circuits. The city’s building department also reviews for smoke and carbon monoxide detector compliance and, on additions, energy code requirements. We handle the permit application and tell you upfront which upgrades are likely to be triggered before you sign anything.
We schedule exterior work, demolition, and rough-in for the drier weeks and front-load waterproofing so the project isn’t waiting on weather. San Mateo’s wet season runs November through March, and marine moisture is persistent even when it isn’t raining, so rot and mold prevention is part of the schedule, not an afterthought. We also stage materials indoors and sequence interior work so a rain day doesn’t idle the whole crew.
Yes. Allowances are written into the contract for cabinetry, countertops, plumbing fixtures, and flooring, with specific brand names attached so you know exactly what you’re choosing from. For example, a kitchen allowance might cover KraftMaid or Wellborn cabinetry and Silestone or Caesarstone countertops at a set dollar figure per square foot. If you pick a Cambria slab that runs higher, we price the difference before we order. Nothing gets purchased without your approval.
Hillside lots west of El Camino Real sit on expansive clay that swells and shrinks with moisture, which causes slope creep and strains pier foundations. If your remodel includes an addition or structural work, the city will likely require an engineered foundation design, and we’ll bring in a soils engineer before we pour anything. The flatlands near the Bay have the opposite issue: high water tables that require sump pumps and moisture barriers on any significant addition. Call (855) 901-7266 for a free estimate and we’ll tell you what your specific lot needs.
Written by Noel Carrington, Owner at San Mateo Construction, serving San Mateo and the mid-Peninsula.