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 Martin, CA
Home renovation in San Martin means working with Santa Clara County permits, rural parcel layouts, and homes that range from 1970s ranch houses to custom builds along the Llagas Creek corridor. San Mateo Construction has served San Martin since 2018, managing everything from legalizing an old unpermitted shop to a full interior remodel, under one contract. Call (855) 901-7266 for a free estimate.
Why San Martin Homes Are Different
San Martin is unincorporated Santa Clara County, which changes the entire permit and inspection sequence compared to Morgan Hill or Gilroy. Most projects run through the County’s planning and building department, not a city counter, so timelines and what counts as an approved structure follow a different rulebook. That matters when you’re replacing an outbuilding that was never permitted in the first place, or adding a second unit where the County wants grading and drainage plans before anything else.
The housing stock trends older ranch-style homes on multi-acre parcels, plus newer large-lot custom builds along Monterey Road and the Llagas Creek corridor. Many properties carry detached shops, barns, and well and septic systems that shape project scope. Clay-heavy soil and winter rain mean grading, drainage, and foundation work get timed around the wet season, while roof and exterior jobs squeeze into dry months. Summer heat affects concrete pours and exterior crew scheduling. The practical result: San Martin renovation work frequently starts with site corrections and legalization before finishes ever get touched.
Styles & brands we work with







Our Main San Martin Services
Most San Martin homeowners reach out for one of two things: a whole-home remodel managed by a single general contractor, or a broad renovation that pulls permits, coordinates trades, and keeps the project moving through County inspections.
General Contractor in San Martin
As a general contractor serving San Martin, we handle the full scope: structural work, roofing, windows, siding, interior finishes, and site improvements like grading and driveway construction. On rural parcels, that often means coordinating with Santa Clara County on setbacks, drainage requirements, and what can legally remain standing. We manage subcontractors, material procurement, and the inspection sequence so you don’t have to chase a half-dozen vendors. Read more about how we approach San Martin projects on our General Contractor in San Martin page.

Home Remodeling in San Martin
Home remodeling in San Martin frequently starts with questions about what’s already on the property: an unpermitted addition, a barn that’s been there since the 1980s, a shop that changed use somewhere along the way. Our team works kitchens, bathrooms, additions, and exterior upgrades while keeping the County’s permitting process front and center. We help you choose from vetted brands like Therma-Tru doors and James Hardie siding, and we manage everything from demolition to final inspection. Details are on our Home Remodeling in San Martin page.

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 Martin

Home renovation in San Martin often begins with what’s already there: a ranch house built in the 1970s, a detached shop with no permit history, or a second unit that was never legalized. San Mateo Construction handles Home Renovation as a full-scope job, from structural corrections and County permits through finishes. On clay-heavy soil, we time foundation and grading work around the wet season, and we sequence exterior work for the dry months when crews can work without weather delays.
Home Renovation Contractors
Signs you need it
You’re planning a project that touches multiple systems: foundation or framing work alongside new plumbing, electrical, insulation, and finishes.
What it costs in San Martin
Full home renovation in San Martin typically falls between $45,000 and $130,000 depending on square footage, structural scope, and finish level.
How we do it
We start with a site walk and floor plan review, pull County permits, open walls for rough-in inspections, then run mechanical, electrical, and plumbing trades through to drywall, paint, and trim.
Home Renovation Companies
Signs you need it
You’ve gotten bids from separate trades and the numbers don’t add up: coordinating a roofer, a plumber, an electrician, and a cabinet installer on one timeline is eating your schedule.
What it costs in San Martin
Working with one renovation company on a multi-trade San Martin project usually lands between $45,000 and $130,000 for a whole-home scope, with smaller kitchen and bath renovations adding $5,000 to $12,000 per room.
How we do it
We act as the single accountable contractor: one schedule, one point of contact, and brand-name material selections across cabinetry, countertops, plumbing, and flooring that a patchwork of subs can’t offer.
What Home Renovation Costs in San Martin
| Item | Typical range in San Martin |
|---|---|
| Full home renovation | $45,000 – $130,000 |
| Kitchen remodel | $14,000 – $45,000 |
| Bathroom remodel | $9,000 – $28,000 |
What drives the number on San Martin renovation jobs: structural corrections on older ranch homes, well and septic considerations on parcels without city utilities, and the cost of hauling materials further than a typical suburban jobsite.
How long does a home renovation take in San Martin?
Most full home renovations in San Martin run four to eight months, with County permit review and inspection scheduling adding two to six weeks that city projects don’t carry. Weather delays on exterior work and structural surprises in older ranch homes can extend that. Call (855) 901-7266 for a project-specific timeline.
Will the price change once work starts on a San Martin renovation?
Our quotes include a written line-item scope, and we don’t change the number without a signed change order. When we open walls in older San Martin homes and find framing or electrical problems, we document them before any work proceeds. Call (855) 901-7266 for a free estimate.
Brands We Service in San Martin
We install and service windows by Therma-Tru, ViewLux, and ECO Window Systems across San Martin, with parts sourced through our supplier network rather than whatever a local yard has on hand. We also carry Mr-Glass hardware. Turnaround on brand-specific replacements runs about one to two weeks once we confirm measurements. See our brands for the full list we work with.
See the difference
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AfterPricing for Remodeling Company in San Martin, CA
| Service | Typical range in San Martin |
|---|---|
| Kitchen remodel | $14,000 – $45,000 |
| Small kitchen remodel | $9,000 – $20,000 |
| Bathroom remodel | $9,000 – $28,000 |
| Walk-in shower installation | $4,500 – $12,000 |
| Roof replacement | $8,000 – $20,000 |
| Window replacement | $4,500 – $15,000 |
| Paver patio installation | $3,500 – $11,000 |
| Paver driveway installation | $7,000 – $18,000 |
| ADU construction | $90,000 – $220,000 |
| Garage conversion | $30,000 – $80,000 |
| Home addition | $45,000 – $130,000 |
| Cabinet installation | $4,000 – $13,000 |
In San Martin, prices tend upward when a property needs grading or drainage work before construction starts, when wells or septic systems require inspection or upgrades, and when the job site sits far enough off Monterey Road that material deliveries and crew travel add time. We quote fixed prices with no change orders unless you approve a written change, so the number you see is the number you pay.
Neighborhoods We Serve in San Martin
San Martin is compact but spread across distinct pockets: ranch parcels off Monterey Road, newer large-lot builds along the Llagas Creek corridor, and the older residential streets between the two. We cover all of 95046 and respond to San Martin calls within one business day for estimates.
- Monterey Road corridor
- Llagas Creek area
- Foothill Avenue parcels
- San Martin Avenue ranch lots
- Center Avenue homes
Service Area – Cities Near San Martin
San Mateo Construction works across Santa Clara County’s southern end, including Morgan Hill, CA to the north and Gilroy, CA to the south. We also take jobs in the smaller surrounding communities like Amesti, CA and Corralitos, CA when the scope fits our single-contractor model. Call (855) 901-7266 to confirm coverage for your address.
Serving San Martin, CA — Our Local Coverage Area
We’re based in the San Martin 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 Martin
We schedule San Martin estimates within one business day and often same week, depending on crew availability and your project scope. Since we work across Santa Clara County, we batch San Martin site walks to keep travel efficient. Call (855) 901-7266 and we’ll put a time on the calendar.
Yes. Most San Martin work runs through Santa Clara County rather than a city building department, including grading permits, septic review where applicable, and legalization of existing unpermitted structures. We prepare drawings, submit applications, and manage inspections through final sign-off.
We coordinate around existing wells and septic systems on San Martin parcels, including setbacks for additions and ADUs, drainage requirements, and any County health department sign-offs tied to your project. We don’t install or repair septic systems ourselves, but we manage the subcontractors who do.
Call San Mateo Construction at (855) 901-7266 to schedule your free estimate in San Martin. We’ll walk the property, answer questions about County permits, and give you a written line-item quote before any work starts.
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 Martin 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."
— Karim Khalil"Weekend rate was higher, which they told me up front and I was fine with. What I wasn't expecting was for someone to actually come out on a Sunday."
— Michelle Norris"He caught an error in the engineer's drawings before it got framed, which would have been an expensive thing to discover later."
— Cole Hoffman