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, CA runs on a different set of rules than most of Santa Clara County. Because this is an unincorporated community, most properties rely on private wells and septic systems rather than municipal water and sewer. That means a kitchen remodel, bathroom addition, or whole-home renovation often triggers well capacity checks, septic perc testing, and Santa Clara County building review before a single wall comes down. San Bernardino Contractors manages that entire approval chain alongside the framing, plumbing, electrical, and finish work. Call (855) 473-5620 for a free estimate on your San Martin renovation.
Why San Martin Homes Are Different
San Martin sits in the Coyote Valley south of San Jose, a flat, warm inland pocket where summer temperatures climb into the 90s and winter rains arrive fast and hard. The housing stock tells the real story: ranch-style single-family homes on one-to-five acre lots, older farmhouses that date back decades, equestrian properties with barns and arenas, and newer wine-country estate parcels on the valley floor. Most of these homes were built before modern energy codes, so renovation work here regularly means upgrading insulation, electrical panels, and roofing underlayment at the same time as the visible remodel.
But the single biggest difference is jurisdictional. San Martin is unincorporated, so a project on one side of the road may need Santa Clara County permits while a similar job minutes away in Morgan Hill or Gilroy goes through a city building department. Homeowners adding square footage frequently discover their well output is insufficient for a new bathroom or their septic system needs a full replacement before the county signs off on an addition. We handle that verification early so the project doesn’t stall mid-stream.
Styles & brands we work with
Our Main San Martin Services
San Martin homeowners call us most often for two things: a trusted general contractor who can run the whole job from permits to punch list, and a full home remodeling partner who understands how rural-residential scope differs from city work. Here’s what each of those looks like on the ground in San Martin.
General Contractor in San Martin
When a San Martin property needs structural work, an addition, or a whole-home renovation, the general contractor is the person who makes every trade line up. In this community, that means coordinating engineered septic designs and well flow tests alongside conventional framing, roofing, and foundation work. We pull the Santa Clara County permits, schedule the inspections, and keep the job moving whether it’s a single bathroom or a full rebuild. General Contractor in San Martin
Home Remodeling in San Martin
Home remodeling in San Martin rarely stops at one room. A kitchen remodel turns into a flooring project, which turns into a window replacement, because the houses are old enough that systems are interconnected. Our crews work from the roof down to the pavers, so when you open a wall and find outdated wiring or dry rot, the repair happens under the same contract instead of becoming a separate bid. Home Remodeling in San Martin
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 means working with houses that were built for a different era – ranch homes from the 1960s and 1970s, farmhouses with original single-pane windows, and parcels where every square foot of new living space must be justified against septic capacity and well output. The renovation scope here is rarely cosmetic. We find knob-and-tube wiring, unpermitted additions, and undersized panels on a regular basis, and we build the correction into the project plan before the finish work begins. That’s what Home Renovation looks like when one contractor handles the entire job from permit approval to final inspection.
Home Renovation Contractors
Signs you need it
Your home has multiple aging systems at once – original wiring, a failing roof, single-pane windows – and the cost of fixing them piecemeal is starting to look like a renovation budget anyway.
What it costs in San Martin
A full home renovation in San Martin typically runs between $45,000 and $130,000 depending on square footage and how much of the mechanical, electrical, and plumbing infrastructure must be brought to current code.
How we do it
We start with a site walk and permit review, then sequence the work so the septic, well, structural, and finish phases don’t conflict, and we keep you on one schedule with one point of contact from demolition to final cleanup.
Home Renovators
Signs you need it
The layout of your home doesn’t work anymore – a closed-off kitchen, one bathroom for four people, or bedrooms added in the wrong places decades ago.
What it costs in San Martin
Scope-dependent renovation work like opening walls, moving plumbing, and reconfiguring space starts around $9,000 for a small job and climbs past $80,000 when a full garage conversion is part of the plan.
How we do it
We walk the property to understand how the home is used, then produce a fixed-price plan that accounts for the structural and septic reality of a San Martin lot before any walls come down.
Home Improvement Contractors
Signs you need it
Your home has deferred maintenance piling up – peeling siding, failing window seals, a roof near the end of its life – and you want it handled in one coordinated pass rather than five separate phone calls.
What it costs in San Martin
Home improvement projects that bundle exterior and interior scope on a San Martin property typically range from $8,000 for a roof replacement up to $25,000 when impact windows enter the scope.
How we do it
We sequence exterior work first so the building envelope is sealed, then move inside, which protects finish work from winter rain and lets the roofer and window crews work off the same scaffolding.
What Home Renovation Costs in San Martin
| Item | Typical range in San Martin |
|---|---|
| Home Addition | $45,000 – $130,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
How long does a home renovation take in San Martin?
Plan on 8 to 16 weeks for a full home renovation, longer if septic or well upgrades are required by Santa Clara County. Permitting itself can add 3 to 6 weeks in an unincorporated area. We give you a written schedule before work begins.
Will my renovation trigger a septic or well upgrade?
In San Martin, yes, it very often does. Adding a bedroom or bathroom usually means the county wants proof that your septic system and well can handle the load. We test early so the numbers don’t surprise you mid-project.
Brands We Service in San Martin
We work with the materials San Martin homeowners actually request, from Oldcastle and Quikrete hardscape products for driveways and patios to Sakrete concrete mixes for foundations and slabs. For ADU projects, we have access to Abodu prefab units that shorten the build timeline on properties already cleared for a second dwelling. Our brands cover every trade, so you pick the product and we coordinate the install.
See the difference
Before
After
Before
After
Before
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 |
| Metal Roof Installation | $15,000 – $40,000 |
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Vinyl Fence Installation | $3,500 – $9,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Paver Driveway Installation | $7,000 – $18,000 |
| ADU Construction | $90,000 – $220,000 |
San Martin prices push toward the high end when septic replacement, well upgrades, or fire-hardening materials like Class A roofing and ember-resistant vents enter the scope. We give you a written, line-item price before work starts, and that number doesn’t change unless you change the scope.
Neighborhoods We Serve in San Martin
San Martin is small, so most of our work happens on the ranch parcels and equestrian lots that line the valley floor between Morgan Hill and Gilroy. We’re on these roads and in these pockets regularly:
- Ranch and acreage parcels along Foothill Avenue
- Equestrian properties near Middle Avenue and the San Martin Airport
- Older farmhouse lots south of the San Martin County Park
- Wine-country estate parcels on the eastern valley edge
Response time for estimates in the San Martin area is typically within a couple of business days, faster if the job is urgent or the project is already permit-ready.
Service Area – Cities Near San Martin
We serve San Martin and the surrounding communities across southern Santa Clara County and northern San Benito County. Homeowners in Morgan Hill, CA and Gilroy, CA call us for city-permitted remodels, while Amesti, CA and Corralitos, CA jobs bring their own hillside and well-water considerations. If your property is within a reasonable drive of San Martin, we can put you on the schedule.
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
Yes. San Martin is unincorporated, so almost every structural project goes through Santa Clara County rather than a city building department. We prepare the drawings, submit the permit package, schedule inspections, and coordinate with well and septic reviewers when the county requires them. You get one point of contact for the entire approval chain.
That’s most of San Martin, so yes – we plan for it from the first site visit. We verify well output and septic capacity before designing an addition or major remodel, because the county won’t approve the permit without that data. If upgrades are needed, we sequence them into the project so they don’t cause a mid-job shutdown.
For a significant remodel or addition, call 6 to 10 weeks before you want work to start. County permitting in an unincorporated area takes longer than city permitting, and septic or well review can add another two to three weeks. Call (855) 473-5620 and we’ll give you a realistic timeline based on your specific property.
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
"Allowances in the contract were realistic rather than artificially low to make the bid look good."
— Paul Kowalski"He caught an error in the engineer's drawings before it got framed, which would have been an expensive thing to discover later."
— Alejandro Castillo"Framing crew was meticulous and the walls are straight everywhere. Drywall goes on a lot better when the framing is right."
— Angela Kim