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
Remodeling Company in San Mateo, CA
Home renovation in San Mateo means working with houses built between the 1920s and 1960s, on lots that slope from the hills down toward the bay. Most of the work we do here involves opening up small kitchens, adding bathrooms, and converting underused spaces rather than building new homes, because San Mateo is largely built out. The coastal-to-bay soil gradient means drainage and foundation details vary block by block, and the city’s planning review process rewards contractors who understand its submittal culture. Call (833) 382-8544 to talk through your project.
Why San Mateo Homes Are Different
San Mateo’s housing stock splits into three rough bands. Near downtown, in the 94401 and 94402 ZIP codes, you’ll find 1920s-to-1940s bungalows and Spanish stucco homes, many of which still carry knob-and-tube wiring, early galvanized plumbing, and pier-and-post foundations. Out on the flats, the 1950s and 1960s ranch tracts dominate, and toward the bayfront around 94404, newer multi-story construction mixes with older fill lots. The climate is mild and frost-free, but wet winters mean chronic moisture at grade and in crawlspaces. Fog keeps things damp well into summer. On the hillside side of El Camino Real, heavy clay holds water and swells; on the bay side, old fill and expansive soils settle unevenly. A drainage detail that works on one side of El Camino can fail outright on the other, which is why we specify foundation and drainage work by address, not by zip code. Homes here commonly have non-conforming additions that must be reconciled at permit time, and that process goes more smoothly when the contractor has already been through it dozens of times.
Styles & brands we work with







Our Main San Mateo Services
San Mateo homeowners call us most often for two things: full general contracting on significant remodels, and whole-home remodeling that touches multiple rooms and systems at once. Here’s what each looks like in this city.
General Contractor in San Mateo
Acting as the general contractor on a San Mateo remodel means coordinating every trade against the city’s discretionary review process. Most projects here trigger planning review, not just building permits, because lots are small, setbacks are tight, and many homes are older than the current code. We handle the submittal package, the trade scheduling, the inspections, and the inevitable field adjustments when a 1940s foundation turns out to be something other than what the drawings assumed. If you’re planning an addition or a second-story remodel between El Camino and the hills, the details matter. Read more on our General Contractor in San Mateo page.

Home Remodeling in San Mateo
Home remodeling in San Mateo often means improving a home in place rather than moving, because the location works even when the floor plan doesn’t. We see a lot of kitchen expansions into former service porches, bathroom additions carved from hallway space, and garage conversions that turn dead square footage into livable rooms. The permit path for these projects runs through San Mateo’s planning department, and older homes frequently require electrical and plumbing upgrades before finish work can begin. We specify every brand, manage the install, and stand behind the result. See Home Remodeling in San Mateo for the full scope.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Home Renovation in San Mateo

Home renovation in San Mateo is rarely a cosmetic exercise. The most common projects we take on involve homes built between the 1920s and 1960s where the original layout, wiring, and plumbing no longer serve how families live today. A 1940s bungalow near downtown might need its kitchen opened to the dining room, its single bathroom expanded, and its knob-and-tube wiring replaced before the walls close back up. The climate pushes us to address crawlspace moisture and weather-tight detailing during the winter rainy season, not after problems show up. This is full-scope work, and it’s the core of what we do as a Home Renovation contractor.
Home Renovation Contractors
Signs you need it
Your home’s floor plan no longer matches how you live, with a kitchen cut off from the family room, one bathroom serving too many people, or rooms that stay empty because they’re awkward to reach.
What it costs in San Mateo
Full home renovation projects in San Mateo typically fall between $45,000 and $130,000 depending on scope, with kitchen remodels from $14,000 to $45,000 and bathroom remodels from $9,000 to $28,000.
How we do it
We start with a walkthrough to document existing conditions, then produce fixed-price line-item quotes, handle the San Mateo permit submittal, and run the job with one project manager from demolition through final inspection.
Home Renovators
Signs you need it
You’ve been patching the same problems for years: a cramped layout, outdated systems, and finishes that make the whole house feel tired no matter what you do to one room.
What it costs in San Mateo
A small kitchen remodel runs $9,000 to $20,000, cabinet installation runs $4,000 to $13,000, and countertop installation runs $2,000 to $6,500 in San Mateo.
How we do it
We sequence the work so you’re not living in a construction zone longer than necessary, which on older San Mateo homes often means roughing in plumbing and electrical updates before finish surfaces go in.
Home Improvement Contractors
Signs you need it
Your home needs updates across several systems at once, and coordinating separate contractors for the kitchen, bath, and electrical work is becoming a second job you didn’t sign up for.
What it costs in San Mateo
Roof replacement runs $8,000 to $20,000, window replacement runs $4,500 to $15,000, and driveway replacement runs $5,000 to $14,000 in San Mateo.
How we do it
We bring one accountable team across every trade, which eliminates the gaps that happen when a roofer, a window installer, and a paving crew each work from their own schedule and assumptions.
Home Renovation Companies
Signs you need it
You want one firm to specify, order, install, and warranty the materials, rather than you buying fixtures and finishes yourself and hoping the installer can make them work.
What it costs in San Mateo
A home addition runs $45,000 to $130,000, an ADU runs $90,000 to $220,000, and a garage conversion runs $30,000 to $80,000 in San Mateo.
How we do it
We specify from more than 50 vetted manufacturer brands, manage the procurement, and install to each brand’s technical requirements, so the warranty stays intact and the result is built to last.
What Home Renovation Costs in San Mateo
| Item | Typical range in San Mateo |
|---|---|
| Kitchen remodel | $14,000 – $45,000 |
| Bathroom remodel | $9,000 – $28,000 |
| Home addition | $45,000 – $130,000 |
How long does a home renovation take in San Mateo?
Most mid-size renovations run 8 to 16 weeks, but San Mateo’s planning review can add several weeks before work begins. We submit complete packages up front to keep that timeline as short as possible. Call (833) 382-8544 for a schedule estimate on your scope.
Do I need permits for a home renovation in San Mateo?
Yes, nearly every renovation that moves walls, changes systems, or adds square footage requires a permit here. San Mateo’s review process is rigorous, and working with a contractor who knows the city’s submittal culture prevents costly delays.
Brands We Service in San Mateo
Home renovation in San Mateo means choosing materials that hold up to damp winters and foggy summers. We specify and install entry systems from Therma-Tru, replacement windows including ViewLux, and aluminum and ornamental fencing from Barrette and Master Halco. Parts are ordered to the project, not kept on a shelf, which keeps lead times predictable. See our brands for the full portfolio.
See the difference
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AfterPricing for Remodeling Company in San Mateo, CA
| Service | Typical range in San Mateo |
|---|---|
| Kitchen remodel | $14,000 – $45,000 |
| Bathroom remodel | $9,000 – $28,000 |
| Walk-in shower installation | $4,500 – $12,000 |
| Countertop installation | $2,000 – $6,500 |
| Paver patio installation | $3,500 – $11,000 |
| Roof replacement | $8,000 – $20,000 |
| Window replacement | $4,500 – $15,000 |
| Vinyl fence installation | $3,500 – $9,000 |
| Home addition | $45,000 – $130,000 |
| ADU construction | $90,000 – $220,000 |
Prices in San Mateo push higher when a project triggers discretionary planning review, when the home needs electrical or foundation upgrades mid-job, or when the work happens on a hillside lot with difficult access. We give fixed-price, line-item quotes before work starts, and we don’t hand you change orders unless you change the scope.
Neighborhoods We Serve in San Mateo
We work across San Mateo’s residential neighborhoods, from the pre-war streets near downtown to the ranch tracts on the flats and the hillside homes above El Camino. Typical response time for an estimate call in San Mateo is one to two business days.
- Baywood
- Aragon
- San Mateo Park
- Shoreview
- Hillsdale
Service Area – Cities Near San Mateo
Gold Star Contractors also serves homeowners in the cities around San Mateo. If you’re in Highlands-Baywood Park, CA, Foster City, CA, Belmont, CA, or Hillsborough, CA, we can bring the same full-scope approach to your project. One contractor, every system, no handoff gaps.
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 Remodeling Company in San Mateo
We typically schedule estimates within one to two business days in San Mateo. Once you approve the scope and we file permits, the city’s review timeline determines the start date. Call (833) 382-8544 to get on the schedule early.
Some San Mateo neighborhoods have active HOAs with their own design review, especially in planned communities near the bayfront. We coordinate submittals to both the city and the HOA so neither process stalls the other.
Yes. We work throughout 94401, 94402, 94403, 94404, and the surrounding area. The soil, drainage, and permit conditions change from the hills to the flats, but our process stays the same: one accountable team from estimate to final inspection.
If you’re planning a home renovation in San Mateo, call (833) 382-8544 to schedule a free estimate. We’ll walk the site, talk through your scope, and give you a fixed-price line-item quote before you commit to anything.
What happens when you call
- 1A real person answersNo phone trees — talk to a local construction pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What San Mateo Customers Say
"The foundation survey came back dead on. Everything downstream of that being square is the reason the rest of the build went smoothly."
— Megan Gallagher"Allowances in the contract were realistic rather than artificially low to make the bid look good."
— Danielle Vaughn"He was upfront about a soil issue that added cost early rather than absorbing it and surprising us at the end."
— Michelle Wong