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 Los Altos Hills
General contracting in Los Altos Hills costs anywhere from $14,000 for a focused kitchen remodel up to $220,000 for a full ADU build, and the real driver on hillside estate lots is specialty-order lead time, not crew hours. If you own a home off Purissima Road, near Robleda, or up in the Stonebrook area, you already know that private lanes, slope-density review, and fire-defensible-space rules shape every project before a single permit gets pulled. Our team at San Bernardino Contractors handles the full scope: kitchens, baths, additions, roofing, hardscaping, and prefab ADUs. Call (855) 473-5620 to schedule a free estimate, and we’ll walk your lot with you.
Why San Bernardino Contractors Is Los Altos Hills’s Preferred General Contractor Company
Ruben Castillo runs our jobs with a simple discipline: nothing gets ordered against a verbal scope. That matters more in Los Altos Hills than almost anywhere else in the Bay Area, because a designer-specified Cambria slab or a custom KraftMaid cabinet run can take twelve to sixteen weeks. If the allowance wasn’t fixed in writing before the order went to the shop, the homeowner eats the difference. That’s the problem we prevent.
Los Altos Hills homeowners tend to be detail-oriented and brand-literate. They know the difference between a GAF Timberline roof system and a lower-tier shingle, and they want a contractor who can speak to that fluently. We bring access to 50-plus product lines across cabinetry, countertops, plumbing, roofing, windows, fencing, and hardscaping, so you pick the brand and finish level, and we handle procurement, staging, and installation. One contractor, every phase.
We also understand the town’s regulatory culture. Hillside Ordinance slope-density review, geotechnical sign-off, and fire-defensible-space compliance are not optional checkboxes here. They are the scheduling spine of the project. Our team sequences permits and inspections alongside material lead times, so the design review clock and the cabinet shop clock run in parallel instead of stacking on top of each other.
Styles & brands we work with







Remodeling Contractor in Los Altos Hills
When a Los Altos Hills homeowner hires a Remodeling Contractor, the job is rarely a simple swap-out. It’s typically a major kitchen overhaul, a primary bath rebuild, or a whole-home refresh on a 1960s-to-2010s custom estate where the existing layout fights the hillside. Kitchen remodels here run $14,000 to $45,000, and bathrooms $9,000 to $28,000, though a designer-driven kitchen with architectural glass and custom millwork will push past the midpoint of that range fast.
Designer and Architect Coordination
Most Los Altos Hills projects arrive with a design package already in motion: floor plans, elevations, a finish schedule, maybe a millwork set. Our job is to hold the spec, not reinterpret it. We review every allowance line against the designer’s selections before ordering, flag discrepancies that will become change orders, and get sign-off in writing. If the Grohe shower system you specified costs more than the allowance, you know before the purchase order goes out, not after the rough-in inspection.
Long-Lead Procurement Strategy
On a Hills job, the schedule is set by the item with the longest factory lead time. Architectural glass can run ten to fourteen weeks. Custom cabinetry from KraftMaid or Wellborn, eight to twelve. Cambria quartz slabs, six to ten depending on the color and edge profile. We back-schedule framing, mechanical rough-in, and finish trades from those delivery dates, so the crew is never standing around while the material is still on a truck in Ohio.
Licensed General Contractor in Los Altos Hills
A Licensed General Contractor in Los Altos Hills is not just the person who swings the hammer. It’s the party of record on permits, the coordinator of geotechnical and structural reviews, the scheduler of crane and pump-truck logistics, and the one warranty point when something fails. Home additions run $45,000 to $130,000. ADU construction runs $90,000 to $220,000. Those numbers reflect Hills-level site work, engineering, and the fire-hardened material choices the town now requires.
Permit and Hillside Ordinance Management
Los Altos Hills uses slope-density formulas that constrain building envelope, grading, and impervious coverage. Even a modest addition can trigger geotechnical review, a drainage and erosion control plan, and defensible-space documentation. We walk every project through the town’s design review process, pull the permits, and coordinate inspections. If the geotech engineer needs to sign off on a retaining wall before the framing inspection can close, we already have that visit on the calendar.
Private-Lane Logistics and Site Staging
Many lots in Los Altos Hills sit at the end of narrow private drives that a concrete truck cannot climb. We plan pump trucks, conveyor placements, and material drops from neighboring parcels as a matter of routine. On a tear-down rebuild off a tight lane, our crew staged a pump truck across a neighbor’s parcel and coordinated the foundation pour with the geotechnical engineer’s inspection, then ran the draw schedule around architectural glass lead time rather than framing. The punch list closed clean because nothing was ordered against a guess.
Trusted Brands We Service in Los Altos Hills
We work with more than 50 named product lines, and on this page we mean specific ones: Cambria and Silestone for countertops, KraftMaid and Wellborn for cabinetry, GAF and CertainTeed for roofing, Sterling and Grohe for plumbing fixtures. That breadth matters in Los Altos Hills because you’re not choosing between “good” and “cheap.” You’re choosing between entry-level and ultra-premium tiers within the same brand family, and you should be able to make that choice with real information. Our General Contractor team can walk you through the spec differences between a GAF Timberline and a GAF Grand Canyon shingle, or a Cambria Brittanica and a Silestone Ethereal, before you sign anything. You pick the brand, we handle the build.
See the difference
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AfterCommon General Contractor Problems We See in Los Altos Hills Homes
- Allowance shortfalls discovered after the order. The designer specifies a Cambria slab and custom KraftMaid cabinet fronts, but the contract allowance covers builder-grade stock. By the time the discrepancy surfaces, the deposit is spent and the change order is five figures. We fix allowance values in writing before anything goes to a fabricator.
- Fire-defensible-space requirements treated as an afterthought. A hillside remodel that ignores noncombustible roofing, ember-resistant vents, and vegetation clearance will stall at inspection after rough-in. The town’s wildland-urban interface rules are mandatory, not advisory, and retrofitting them late is more expensive than designing them in.
- Private-lane access underestimated. Somebody assumes the concrete truck can back up the drive. It can’t. The foundation pour gets rescheduled, the crane permit gets refiled, and the schedule slides three weeks. We verify truck and crane access before we bid, not after we sign.
- Verbal go-aheads on specialty finishes. A homeowner says “order the glass” and the glazier orders the wrong specification. Without a written scope and written approval, that’s a dispute. We document every selection and change on paper, even the small ones.
Pricing for General Contractor in Los Altos Hills, CA
These are the ranges we see on actual Los Altos Hills projects, and they reflect hillside site conditions plus the finish tier most homeowners here select. The low end assumes builder-grade materials and a straightforward lot. The high end assumes custom or designer-specified finishes, steep slope engineering, and long-lead specialty items.
| Project Type | Typical Range in Los Altos Hills |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
What moves the number: slope work and retaining, fire-hardened exterior materials, designer-specified finishes, and lead times that require expedited freight. We write the price in the contract and we don’t change it unless you change the scope. Call (855) 473-5620 for a free estimate on your project in Los Altos Hills.
We Also Serve Cities Near Los Altos Hills
Our crews regularly work in Los Altos Hills and the surrounding communities, including Los Altos, Mountain View, Loyola, and Stanford. The permitting and site conditions vary from town to town, but the procurement discipline and written-scope process stay the same. If your property sits within the 94022 zip or just across the border, we can likely help.
Serving Los Altos Hills, CA — Our Local Coverage Area
We’re based in the Los Altos Hills 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 Los Altos Hills
Because architectural glass, custom cabinetry, and designer-specified finishes carry factory lead times of eight to sixteen weeks, while a framing crew can usually be scheduled within two to three weeks. On a Hills project, the material calendar governs. We lock orders and allowances in writing before demolition, then back-schedule the trades from the latest delivery date. If you want to talk through the lead-time reality for your specific selections, call (855) 473-5620 and we’ll walk the schedule with you.
We stage pump trucks, conveyor placements, or material drops on a neighboring parcel or at the lane entrance, and we coordinate the pour or crane lift with the geotech engineer’s inspection schedule. This is standard practice on Los Altos Hills private lanes. We verify access before we bid, so the plan is in place before the permit application even goes in. Call (855) 473-5620 to schedule a site walk and we’ll assess your access in person.
The town enforces wildland-urban interface standards that typically require noncombustible roofing, ember-resistant vents, and a cleared vegetation zone around the structure. On a major remodel, this can mean upgrading from a composition roof to a GAF or CertainTeed system rated for fire exposure, plus mechanical and vegetation work. We fold these requirements into the scope and permitting package from day one. Call (855) 473-5620 for a free estimate that includes defensible-space compliance.
We reconcile the design package against the written allowances before anything gets ordered. Every line item – cabinetry, slab, fixtures, glass – gets matched to a dollar value and a spec. If the Grohe system costs more than the allowance, you approve the difference in writing before the purchase order is cut, not after the fixture arrives. That’s the whole system. Call (855) 473-5620 and we’ll show you how the allowance reconciliation works on paper.
Yes, in most cases, but the slope-density formulas and geotechnical requirements will drive the budget and the schedule more than the ADU’s interior finish. Expect engineered foundations, retaining where needed, and defensible-space documentation. ADU construction in Los Altos Hills runs $90,000 to $220,000 depending on slope, access, and whether you choose a traditional build or a prefab solution from a partner like Abodu or Dvele. Call (855) 473-5620 for a site-specific assessment and a written estimate.
Written by Ruben Castillo, Owner at San Bernardino Contractors, serving Los Altos Hills since our first hillside project in the area.