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 General Contractor Across Santa Clara
Finding a general contractor in Santa Clara who can manage a full remodel, addition, or ADU without handing you off between five different trades is harder than it should be. We’re Gold Star Contractors, led by Noel Carranza, and we run residential projects across Santa Clara with one accountable team from the first site walk to the final inspection. If you’re planning work on a mid-century ranch near 95051, a newer build near 95054, or an orchard-era parcel with room behind the house, call us at (833) 382-8544. We scope the job properly before we quote it, so the number you see is the number you build to.
Why Gold Star Contractors Is Santa Clara’s Preferred General Contractor Company
Santa Clara isn’t a city where you can throw a crew at a job and figure it out as you go. The lots are tight, the permitting is split between city and county depending on the parcel, and the traffic around the stadium and tech campuses makes material staging a real scheduling variable. Noel Carranza has built our process around exactly those conditions. We don’t quote off satellite imagery. We walk the lot, check the access path, and look at what’s under the surface before we commit to a price.
Our Santa Clara customers keep us on the job because we write scopes that hold. A homeowner off El Camino Real doesn’t want a change order mid-rough-in because we never checked for buried orchard roots. A property owner near the unincorporated pockets doesn’t want to find out at permit review that the detached ADU falls to county jurisdiction with septic setbacks that move the whole footprint. We address those questions before you sign anything, and our General Contractor team handles the coordination so you’re never the one chasing down answers.
Styles & brands we work with







Hire a General Contractor in Santa Clara
Hire a General Contractor in Santa Clara when the scope of your project crosses more than one trade and you don’t want to manage four separate schedules, four separate invoices, and four separate warranty conversations. That’s the reality of a kitchen remodel tied to a structural wall, a second-story addition over a living space, or a detached ADU with its own utility run. On acreage-style parcels around Santa Clara, a general contractor’s job also covers the site work most remodelers never touch: grading, drainage, well and septic setbacks, long equipment hauls, and outbuilding foundations.
Typical general contracting work in Santa Clara, depending on scope, falls into these ranges:
- Home Addition: $45,000 – $130,000
- ADU Construction: $90,000 – $220,000
- Garage Conversion: $30,000 – $80,000
Those are real Santa Clara market numbers, not national averages. A detached ADU on a lot with county permitting and septic setbacks runs higher than a garage conversion inside an existing footprint. We’ll tell you which bucket your project falls into before you commit.
Site and Permit Scoping
Before we quote any open-lot build in Santa Clara, we verify which jurisdiction actually has authority. A detached ADU or shop on an orchard-era parcel may fall to county review, which changes the well and septic setback requirements and can move the entire site plan. We don’t assume the city path applies, and we don’t let you find out at the counter.
Fixed-Price Discipline
We write allowances and the draw schedule in writing. When we scoped a detached ADU and shop behind a ranch house off the older Eichler-adjacent blocks near 95051, we confirmed the load-bearing wall between the shop bays before framing, held the allowances through rough-in, and walked the punch list with inspection sign-off before final grade stabilized the lot. That’s how we keep a Santa Clara job from drifting.
General Contractor Services in Santa Clara
General Contractor Services in Santa Clara cover the full residential scope: interior remodels, structural work, additions, ADU and prefab structures, and the exterior systems that tie into them. We specify the brand, manage the install, and stand behind the result. That means one team handling the roofline, the windows, the siding, the hardscape, and the countertops, so nobody blames the other trade when a flashing detail leaks or a paver edge settles.
On open lots, we also scope the site work: grading and drainage before the slab, test pits for buried roots and undocumented lines, and equipment access planning for long narrow side yards. A paver patio or concrete driveway on a Santa Clara parcel with poor drainage is a five-year problem if the subgrade isn’t right. We build it right the first time.
Detached ADUs and Shops
A detached ADU behind the main house is not a garage conversion with a bigger footprint. On a Santa Clara orchard-era lot, it’s a separate structure with its own foundation, utility run, and setback requirements. We work with prefab manufacturers like Abodu and Dvele where the site plan supports a turnkey structure, and we manage the site work, utilities, and inspections even when the structure itself arrives in modules.

Grading, Drainage, and Hardscape
Atmospheric-river storms hit Santa Clara hard in winter, and an open lot that ponds runoff against your new build is a failure waiting to happen. We grade before the slab, not after, and we scope drainage so water moves away from the structure and toward the legal discharge point. Paver driveways and patios on former orchard land need a compacted base and edge restraint that accounts for settling soil.

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.
Trusted Brands We Service in Santa Clara
Gold Star Contractors carries active partnerships with more than 50 manufacturer brands across cabinetry, countertops, roofing, windows, doors, fencing, hardscaping, and plumbing fixtures, so Santa Clara homeowners are never boxed into whatever the local supply yard happens to stock. We’re authorized to work with Cambria, Caesarstone, and Silestone countertops, which carry their own installation standards. Roofing runs through GAF, CertainTeed, and Owens Corning. Window and door systems include PGT, CGI, and Therma-Tru. On the prefab side, we work with Abodu, Dvele, and Mighty Buildings. Premium materials, professionally installed.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Santa Clara Homes
- Buried orchard roots and undocumented utility lines: Many Santa Clara lots sit on former orchard land, and what’s under the surface rarely matches the site plan. We bore test pits before we commit a grading number, because roots and abandoned lines turn into surprise change orders if they’re found after excavation starts.
- County-versus-city permitting confusion: A detached ADU or shop that looks like a city permit may actually fall to county review, with well and septic setbacks that re-set the entire site plan. We verify jurisdiction first.
- Material haul and equipment access: Tight delivery windows near the stadium and campus traffic don’t care about your rough-in schedule. We build staging and haul logistics into the scope of work, not the change order list.
- Drainage scoped after the slab: Winter storm runoff ponding against a new build is a Santa Clara failure mode we fix before it happens, by grading the lot before the slab goes in.
Pricing for General Contractor in Santa Clara, CA
General contracting prices in Santa Clara reflect the land, not just the labor. Here’s what we see across our typical scopes:
| Project Type | Santa Clara Price Range |
|---|---|
| ADU Construction | $90,000 – $220,000 |
| Home Addition | $45,000 – $130,000 |
| Garage Conversion | $30,000 – $80,000 |
| Concrete Driveway Installation | $4,500 – $12,000 |
| Paver Patio Installation | $3,500 – $11,000 |
What moves a Santa Clara job from the low end to the high end? County permitting with well and septic setbacks, long material hauls, grading work on open lots, and structural changes to load-bearing walls. We give you a written line-item quote so you see exactly where the money goes before you sign. Call (833) 382-8544 for a free estimate on your project.
We Also Serve Cities Near Santa Clara
Our General Contractor in Santa Clara coverage extends to the surrounding communities, including Sunnyvale, Buena Vista, Campbell, and Cupertino. If your project sits just outside the Santa Clara city line, call us, we’ll confirm whether we can take it on and get you scheduled for a site walk.
Serving Santa Clara, CA — Our Local Coverage Area
We’re based in the Santa Clara 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 General Contractor in Santa Clara
A detached ADU or shop on an unincorporated pocket or larger orchard-era parcel around Santa Clara often falls to county review rather than city permitting, which triggers well and septic setback requirements that can move the entire site plan. We verify the jurisdiction and the setbacks before we scope the job, so you don’t find out at permit review that the footprint has to shift. Call (833) 382-8544 and we’ll check your parcel.
Grading on an open Santa Clara lot adds site work, compaction, and drainage scope that a standard infill remodel never touches, typically pushing the total project cost toward the middle or upper end of the range for your structure type. We bore test pits for buried roots and undocumented lines before we commit a grading number, because what we find changes the excavation plan and the price. A free estimate call to (833) 382-8544 gets you the real number.
You want a written scope of work, a line-item price, the allowance schedule, the draw schedule, and a site plan that shows grading, drainage, and setbacks before any Santa Clara general contractor starts. We put all of that in writing and hold the allowances through rough-in, so the number you signed is the number you build to. Call (833) 382-8544 for a written quote.
Tight staging and delivery windows near the Santa Clara stadium and tech campuses mean a materials run that misses its slot can stall your rough-in by days, so we build access and haul logistics into the scope of work before we quote. On narrow side yards, that means planning equipment paths and delivery laydown areas in advance. Call (833) 382-8544 and we’ll walk your access before we price the job.
Yes, we convert garages and add second stories on mid-century ranch lots across Santa Clara, but those jobs hinge on the existing foundation, load-bearing walls, and the city’s structural review for the neighborhood. We inspect the framing and foundation before we quote, because a 1950s slab that was never meant to carry a second floor changes the engineering and the price. Call (833) 382-8544 for a free estimate.
Written by Noel Carranza, Owner at Gold Star Contractors, serving Santa Clara and the surrounding South Bay communities.