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 Cupertino
If you’re weighing a full teardown-rebuild, an ADU, or a major addition on a Cupertino lot, you need a contractor who understands what this city’s building department actually enforces. Ruben Castillo and the San Bernardino Contractors team work across Cupertino’s 95014 and 95015 ZIP codes, managing everything from structural rough-in to final inspection sign-off. Call (855) 473-5620 for a free estimate, and we’ll walk your specific lot, your home’s framing, and your project scope before anyone swings a hammer.
Cupertino isn’t a market where you can quote a remodel from a satellite photo. The housing stock runs from 1950s Eichler-influenced ranch homes in Monta Vista to much larger custom rebuilds near the foothills, and each one carries different wind-load, shear, and foundation requirements. We know which ones pass plan check the first time.
Why San Bernardino Contractors Is Cupertino’s Preferred General Contractor Company
Cupertino homeowners tend to do their homework. They read the building code updates, they ask about Simpson Strong-Tie connectors by name, and they expect a contractor who can discuss shear transfer at the slab edge without blinking. That’s the conversation we have every week. Our team has built a reputation in Cupertino for quoting projects with the engineering and inspection steps included, not as a surprise line item.
Response time matters when you’re holding a teardown permit and your lender needs draw-schedule documentation. We keep crews scheduled so Cupertino projects don’t stall between demolition and rough framing. Homeowners in the Monta Vista, Rancho Rinconada, and Seven Springs neighborhoods have relied on us to keep permits moving and inspectors informed.
Ruben Castillo leads every Cupertino job. That means one point of contact, one person accountable for the load path, the shear wall schedule, and the final sign-off. We don’t hand you off to a rotating cast of project managers.
Styles & brands we work with
Residential General Contractor in Cupertino
A Residential General Contractor in Cupertino is really a rebuild specialist most of the time. The typical project starts with a 1960s ranch on a generous lot, adds a second story or a detached ADU, and requires the original slab and roof framing to be brought up to current wind-load standards. A Home Addition in Cupertino runs $45,000 to $130,000, and an ADU Construction ranges from $90,000 to $220,000 depending on whether you go traditional stick-frame or a prefab system.
Teardown and Rebuild Scope
When a Cupertino homeowner buys a ranch in Monta Vista, they’re often buying the lot. We handle partial and full demolition, then rebuild with new continuous load paths, shear walls, and roof-to-wall connections that the city’s plan check requires. The existing shallow slab usually needs anchor bolts or epoxy-set anchors at the foundation edge.
ADU and Addition Engineering
Cupertino’s ADU ordinance is friendly to detached units, but the structural review is not. Whether you’re adding a 600-square-foot backyard unit or a full second story, the plans need engineered shear transfer and documented nailing schedules before drywall goes up. We coordinate the structural engineer, the fabricator, and the inspector so your draw schedule doesn’t stall.
Hire a General Contractor in Cupertino
You Hire a General Contractor in Cupertino when the project touches framing, roofing, foundations, and finishes at the same time, and no single trade wants to own the liability. Our General Contractor team manages the full sequence: demolition, structural rough-in, MEP rough, insulation, drywall, and finish. We’re licensed, insured, and bonded, and we pull permits on every Cupertino job where the city requires them.
Wind-Load and Shear Compliance
Cupertino’s plan check reviews more than cosmetic drawings. We submit engineered details for roof-to-wall connections, shear wall hold-downs, and slab-edge anchors. Without those details, the permit stalls and the lender pauses the draw. We build that engineering into the quote up front.
Inspection Sign-Off Documentation
Pre-drywall inspection sign-off is the documentation your insurer wants after a rebuild. We schedule the structural rough-in inspection before closing walls, and we keep the sign-off record for your file. That paperwork can reduce a wind-deductible or support a claim later.
Trusted Brands We Service in Cupertino
Cupertino homeowners recognize product names, and they expect a contractor who can speak to the differences. We work with GAF and CertainTeed roofing systems, both of which carry high-wind-rated shingle lines that meet Cupertino’s exposure requirements. For plumbing fixtures, we stock and install Grohe and Sterling, covering everything from builder-grade bath sets to ultra-premium shower systems. You pick the brand and the finish level; we handle the procurement, installation, and warranty coordination.
See the difference
Before
After
Before
After
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AfterCommon General Contractor Problems We See in Cupertino Homes
- Decades-old unpermitted additions. A 1970s family room or enclosed patio often comes to light during demo, and the inspector requires it to be brought up to current shear and wind-load standards before the project continues. We budget an allowance for that discovery so it doesn’t become a surprise change order.
- Shallow slab foundations with no anchor bolts. Original 1950s – 60s slabs in Cupertino were not poured with seismic or wind-load anchoring in mind. A rebuild typically requires epoxy-set anchors or new hold-downs at the slab edge.
- Roof framing without a continuous load path. Older ranch homes often have rafters toenailed to the top plate with nothing connecting the top plate to the studs and the studs to the foundation. Cupertino’s plan check won’t accept that on a rebuild.
- Minimal insulation in original walls and attics. When walls are opened, we often find R-11 or less. Current Title 24 requirements force an insulation upgrade, which changes wall assembly details and energy calculations.
Pricing for General Contractor in Cupertino, CA
Cupertino pricing reflects the teardown-rebuild reality and the engineering that comes with it. A Home Addition runs $45,000 to $130,000. ADU Construction sits between $90,000 and $220,000 depending on size, foundation work, and whether you choose a prefab system from our ADU partners or stick-frame. A Roof Replacement runs $8,000 to $20,000, and Impact Window Installation ranges from $8,000 to $25,000 for a full retrofit.
| Project | Price Range in Cupertino |
|---|---|
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Roof Replacement | $8,000 – $20,000 |
| Impact Window Installation | $8,000 – $25,000 |
Every Cupertino quote includes permit fees, structural engineering for wind load and shear, and the inspection scheduling. Call (855) 473-5620 for a free estimate with a line-item breakdown so you can compare against other bids honestly.
We Also Serve Cities Near Cupertino
Our crews work regularly in Cupertino and the surrounding Silicon Valley communities. We serve Loyola, Saratoga, Sunnyvale, and Los Altos with the same brand roster and the same engineering-first approach. If your project sits in one of those cities, the permit and wind-load requirements may differ slightly, so call and we’ll sort it out early.
Serving Cupertino, CA — Our Local Coverage Area
We’re based in the Cupertino 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 Cupertino
Cupertino’s building code requires roof-to-wall connections, shear wall hold-downs, and slab-edge anchors engineered to meet the city’s current wind-load and seismic exposure categories. The exact rating depends on your lot’s exposure, but a compliant quote includes the engineering and the specific connector schedule. Call (855) 473-5620 and we’ll explain what your project needs before you file.
Pre-drywall structural inspection sign-off documents that shear walls, roof sheathing nailing, and load-path connections were installed per the approved plans. Insurers can use that sign-off to verify construction quality, and it may reduce a wind-deductible or support a claim. We keep the sign-off records and provide them to you and your insurer on request.
Yes. Finding unpermitted additions from the 1960s or 1970s on a Cupertino lot is common, and we handle the correction scope with the city inspector. We bring the old framing up to current shear and wind-load standards, document the correction, and keep the rest of your project moving. We include a discovery allowance in the original quote so it’s not a surprise.
A compliant Cupertino ADU quote includes structural engineering for continuous load path, shear wall hold-downs, slab-edge anchors, 7/16-inch OSB sheathing with 8d ring-shank nails at 4 inches on center, and pre-drywall inspection scheduling. A low bid that skips those line items will stall at plan check or fail at inspection. We name the connectors and the nailing schedule in the estimate.
We sequence roofing, framing, and foundation work into Cupertino’s dry season whenever possible, and we schedule drainage, waterproofing, and interior rough-in for the wet months. If your project is permit-ready now, we’ll lock a start date that protects the exterior work from winter rain. Call (855) 473-5620 to talk through your timeline.
Written by Ruben Castillo, Owner at San Bernardino Contractors, serving Cupertino and the Silicon Valley area.