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, not a city building department, and that changes how every project runs. Most lots here have private wells and septic systems, so even a kitchen remodel can trigger septic clearance questions and well setback reviews before the first wall comes down. Gold Star Contractors has served San Martin since 2012, managing full-scope renovations on ranch homes, rural acreage properties, and newer custom builds across the 95046 zip code. Call (833) 382-8544 for a free estimate.
Why San Martin Homes Are Different
San Martin is a semi-rural, unincorporated community in the southern Santa Clara Valley, and the construction work here looks nothing like jobs in Morgan Hill or Gilroy. There is no city hall to pull permits from. Everything flows through Santa Clara County planning and building, which means different review timelines, different checklists, and different inspectors than homeowners in incorporated cities experience. A straightforward addition on Fischer Avenue or a kitchen remodel off San Martin Avenue can sit in county review longer than the same project would two miles north, purely because of jurisdiction.
The housing stock compounds the difference. San Martin is a patchwork of older ranch-style homes from the 1950s through the 1970s, acre-plus rural properties with well and septic infrastructure, and custom builds on former farmland where vineyards or orchards once stood. Construction here frequently involves working around existing agricultural setbacks, managing dust control on graded lots during hot summer months, and designing drainage and swale work ahead of the winter rainy season. We schedule accordingly. Summers push heat management on exterior work, and fall becomes the window for grading and drainage before December rains arrive.
Styles & brands we work with







Our Main San Martin Services
San Martin homeowners most often call us for two connected things: a general contractor who can manage the county permitting process and coordinate multiple trades, and a full home remodel that respects the realities of rural infrastructure. Both are covered below with dedicated San Martin pages.
General Contractor in San Martin
Acting as your general contractor in San Martin means we become the single point of accountability for every trade, every permit, and every inspection. On a rural lot with a private well and septic, that coordination matters more than in a suburban tract home. We manage septic clearance documentation, county permit submittals, grading plans when needed, and the sequencing of trades so you never chase a plumber about a rough-in inspection. From the roofline to the countertop, and the ADU out back, one call covers the scope. See our General Contractor in San Martin page for the full breakdown of how we run jobs in the 95046 zip code.

Home Remodeling in San Martin
Remodeling a San Martin home often starts with questions most contractors in Gilroy never ask: where is the septic tank relative to the addition, and does the county need a well setback review before we move that wall. Our remodeling work here accounts for those realities from day one. We have remodeled kitchens in older ranch homes, added bathrooms to rural properties, and converted garages on acreage where the county treats the project as an agricultural-land grading question. Premium materials, professionally installed, with county paperwork handled. Read our Home Remodeling in San Martin page for specifics.

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 is rarely just about updating finishes. The older ranch homes and rural properties here were built before modern energy codes, before open-concept floor plans, and often before septic systems could handle the wastewater load of a new bathroom or a larger kitchen. That means renovation work in San Martin regularly involves structural updates, electrical panel upgrades, and septic capacity checks alongside the visible work. The warm, dry southern Santa Clara Valley climate also means we schedule exterior-facing renovation phases around summer heat and aim to have drainage and grading complete before winter rains arrive. If you are planning a renovation, our Home Renovation service covers the full scope, from permit coordination through final inspection.
Home Renovation Contractors
Signs you need it
A San Martin home built in the 1960s or 1970s with original wiring, single-pane windows, or a roofline that has seen four decades of valley sun is past due for renovation work.
What it costs in San Martin
Full home renovation contractor work in San Martin typically runs $14,000 to $45,000 for kitchens and $9,000 to $28,000 for bathrooms, with additions starting around $45,000.
How we do it
We start with a site walk, pull county records on your well and septic, submit plans to Santa Clara County, then sequence demolition, rough-in, and finish work so inspections never stall the job.
Home Renovation Companies
Signs you need it
When a renovation touches electrical, plumbing, structural framing, and finish work at once, a single renovation company managing the trades beats juggling four separate contractors from four different shops.
What it costs in San Martin
Kitchen island installation runs $3,000 to $10,000, countertop installation $2,000 to $6,500, and backsplash work $800 to $2,500 on typical San Martin jobs.
How we do it
We specify the brand, manage the install, and stand behind the result, coordinating cabinets, countertops, plumbing, and tile through one project team so no handoff gaps appear mid-renovation.
What Home Renovation Costs in San Martin
| Item | Typical range in San Martin |
|---|---|
| Kitchen remodel | $14,000 – $45,000 |
| Bathroom remodel | $9,000 – $28,000 |
| Home addition | $45,000 – $130,000 |
Will the county permit process slow down my San Martin renovation?
It can add review time compared to a city-run building department. We handle county submittals, respond to plan-check comments, and schedule inspections so the process moves as predictably as possible. Call (833) 382-8544 to discuss your timeline.
Do I need a septic check for a kitchen or bathroom renovation in San Martin?
If your project adds a bathroom or expands wastewater flow, the county may require septic system evaluation and clearance before approval. We coordinate that review early so it never surprises you mid-project. Call (833) 382-8544 for a free estimate.
Brands We Service in San Martin
San Martin homeowners choose from our full brand portfolio, including Therma-Tru entry doors, Master Halco fencing, and Barrette railing and accent systems. We specify the brand, manage the install, and stand behind the result. See our brands for the complete list of manufacturers we work with.
See the difference
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AfterPricing for Remodeling Company in San Martin, CA
| Service | Typical range in San Martin |
|---|---|
| Small kitchen remodel | $9,000 – $20,000 |
| Cabinet installation | $4,000 – $13,000 |
| Countertop installation | $2,000 – $6,500 |
| Backsplash installation | $800 – $2,500 |
| Small bathroom remodel | $5,000 – $12,000 |
| Walk-in shower installation | $4,500 – $12,000 |
| Paver patio installation | $3,500 – $11,000 |
| Roof replacement | $8,000 – $20,000 |
| Window replacement | $4,500 – $15,000 |
| Garage conversion | $30,000 – $80,000 |
Prices in San Martin shift upward when a project triggers septic clearance, grading work, or well setback reviews, all common on the unincorporated lots that define this area. We give written line-item quotes before work starts, and our pricing is fixed, no change orders unless you change the scope.
Neighborhoods We Serve in San Martin
We work across the entire 95046 zip code, from the rural acreage east of Highway 101 to the older ranch-home pockets near San Martin Avenue and the newer custom builds on former vineyard parcels. Our project team is based close enough to keep response times tight for estimates, site walks, and inspection days.
- San Martin Avenue corridor
- Fischer Avenue area
- East San Martin acreage
- Foothill Avenue rural lots
Service Area – Cities Near San Martin
Gold Star Contractors serves San Martin and surrounding Santa Clara County communities. Our service area covers Morgan Hill, CA, Gilroy, CA, Amesti, CA, and Corralitos, CA. If you are nearby and planning a renovation, addition, or remodel, call (833) 382-8544 for a free estimate.
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 typically schedule San Martin estimates within a few business days, and our team is familiar with the rural roads and access points across the 95046 zip code. Call (833) 382-8544 to get on the schedule.
Yes. San Martin is unincorporated, so Santa Clara County handles permits and inspections rather than a city building department. Interior renovations that change plumbing, electrical, or structural elements trigger county review. We manage the full permit process on every job.
That is the norm in San Martin, not the exception. We routinely coordinate septic clearance, well setback documentation, and grading plans with Santa Clara County as part of additions, ADUs, and major remodels on rural parcels.
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."
— 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