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
Most homeowners in Los Altos don’t need a contractor who just shows up. They need one who understands what a 1950s ranch on a tree-covered lot actually costs to remodel, and who can lock that number in writing before the first permit is pulled. That’s the work we do. General Contractor services here run from a $14,000 kitchen refresh to a $220,000 ADU, and the price depends less on labor than on what’s behind the walls and which long-lead finishes you select. Glen Sorrento and the Seaside Contractors team have managed projects across 94022, 94023, and 94024, and we’re the ones other Los Altos homeowners call when they want one accountable crew from demolition to final walkthrough. Call (833) 589-8103 to talk through your scope.

Why Seaside Contractors Is Los Altos’s Preferred General Contractor Company
Los Altos homeowners tend to do their homework. They know a Thermador from a Viking, and they’ve usually read the city’s tree-protection ordinance before we sit down. That’s exactly the kind of client we work best with. Our reputation in Los Altos is built on projects where the architect’s drawings looked clean on paper but the real world, meaning mature coast live oaks and 60-year-old galvanized plumbing, required a contractor who could adapt without inflating the budget. Glen Sorrento sets the tone: we write down what things cost, we order long-lead items only after permits are approved, and we don’t bury change orders in vague allowance language.
Response time to Los Altos is straightforward. Most homeowners reach us by phone, we schedule a site visit within a few days, and a written estimate follows shortly after. Because we’re working regularly in the Los Altos area, we’re familiar with the city’s permit counter, the inspectors who review foundation and framing work, and the home styles that dominate the 94022 and 94024 zip codes.
Styles & brands we work with







Residential General Contractor in Los Altos
Residential General Contractor work in Los Altos almost always starts with questions about what the city will allow and what the lot will tolerate. The housing stock here is largely single-story ranch and Eichler-influenced tract homes built between the late 1940s and the 1960s, and most projects are either full tear-downs or gut renovations that turn a modest original floor plan into something far larger. Original galvanized plumbing, aging electrical panels, and shallow slab or crawlspace foundations are common pre-construction findings. A typical whole-home remodel in Los Altos falls between $45,000 and $130,000 for a home addition, while a kitchen remodel typically runs $14,000 to $45,000 depending on cabinetry tier and structural work.
Structural Planning Around Mature Lots
Mature coast live oaks and redwoods on Los Altos lots mean root-zone protection and shade-driven moisture issues have to be planned around from the first site visit. Tree-protection review can dictate how far a foundation setback sits from the trunk, which often changes pier placement before framing even begins.
Permit and Inspection Coordination
The city’s permitting culture here is exacting, and homeowners who have watched neighbors go through inspections tend to want a contractor who treats that process as part of the job, not an obstacle. We pull permits, schedule inspections, and keep the paper trail clean so the final sign-off doesn’t stall a move-in date.
Hire a General Contractor in Los Altos
When you hire a General Contractor in Los Altos, you’re hiring someone to manage the entire job, not just the visible finishes. That means coordinating the structural work, the plumbing rough-in, the electrical upgrade, and the designer selections without letting any single trade drive the calendar off course. For a bathroom remodel in Los Altos, budgets typically run $9,000 to $28,000, and for cabinet installation alone you’re looking at $4,000 to $13,000. Those numbers rise when you’re doing an ADU, which in Los Altos generally costs between $90,000 and $220,000 depending on whether you choose a prefab unit from a manufacturer like Abodu or Dvele, or a fully custom build.
Long-Lead Material Ordering
On a high-end kitchen, the cabinetry and countertop orders are what actually set the timeline. Custom KraftMaid cabinetry and Cambria countertops can take 12 to 14 weeks to arrive, so we lock the scope and allowances in writing before those orders go out. Trying to order custom millwork before permits are approved is a common way to lose both money and schedule.
Price Certainty Before Orders
Our estimates aren’t placeholders. We fix the price in writing before the first purchase order goes to a manufacturer, and we keep the allowance language specific enough that a mid-build finish swap doesn’t turn into an unapproved draw.

Trusted Brands We Service in Los Altos
We stock and install materials from the brands Los Altos homeowners actually ask for. In kitchens and baths, that often means Toto fixtures, Schluter waterproofing systems, and American Standard or Delta plumbing trim. We’re not tied to a single manufacturer, so you can spec a Toto toilet alongside a Delta faucet and a Schluter shower system without switching contractors or waiting on separate suppliers. For Los Altos clients, we keep common parts and finish samples available for review during site visits, and we order from our partner network with enough lead time that a 12-week cabinet order doesn’t stall the rest of the rough-in.
See the difference
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AfterCommon General Contractor Problems We See in Los Altos Homes
- Heritage oak root-zone conflicts. On many Los Altos lots, a protected coast live oak within the drip line forces foundation setbacks and pier moves that aren’t visible in early drawings. We’ve seen projects where excavation started before the tree review was approved, and the resulting re-inspection pushed framing into the rainy season.
- Original 1950s – 60s infrastructure. Galvanized plumbing, undersized electrical panels, and shallow foundations are standard in ranch-era Los Altos homes. These aren’t surprises to us, but they are costs that need to be in the estimate up front.
- Long-lead finishes ordered too early. Custom cabinetry, specialty glass, and imported tile can sit in a warehouse while a permit gets revised. We sequence orders after approvals, not before.
- Allowance vagueness. A kitchen allowance of “$10,000 for cabinets” means nothing if the designer later specs a fully custom line. We write allowances as numbers tied to specific brands and models, so the budget holds.
Pricing for General Contractor in Los Altos, CA
Here’s what we’re seeing across Los Altos right now. These are real ranges from recent bids, not national averages.
| Project Type | Typical Los Altos Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
What moves the number most is structural work, foundation changes, and the cabinet and countertop tier you choose. A straightforward bath refresh with stock cabinetry sits at the low end. A kitchen with custom millwork, a Schluter waterproofed walk-in shower, and a Cambria island runs higher. We provide free, written estimates for all Los Altos projects. Call (833) 589-8103 to schedule a site visit.
We Also Serve Cities Near Los Altos
Our Los Altos work regularly takes us into Los Altos Hills, Loyola, Mountain View, and Stanford. If you’re in one of those areas and want a single contractor managing the whole project, the process is the same: call (833) 589-8103, we’ll walk the site, and you’ll get a written scope. Learn more about our General Contractor in Los Altos coverage and what we’re working on across the neighboring communities.
Serving Los Altos, CA — Our Local Coverage Area
We’re based in the Los Altos 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
The tree-protection review typically adds several weeks before foundation work can begin, because the root-zone fencing and setback requirements must be approved before excavation. We sequence the permit and tree review ahead of any long-lead material orders so custom cabinetry isn’t sitting in storage while the city signs off. Call (833) 589-8103 and we’ll walk your lot and tell you what to expect.
Custom cabinetry and stone countertops are usually the two biggest drivers, often running 12 to 14 weeks from order to delivery in Los Altos. Specialty plumbing fixtures from brands like Toto or Delta can add several weeks too. We lock the exact models and specs in writing before ordering, so the long lead doesn’t turn into a scope change later.
We write allowances as specific dollar figures tied to named materials, like KraftMaid cabinetry or Cambria countertops, not as open-ended placeholders. If a designer finish changes mid-build, we price the delta in writing and get sign-off before the order goes out. There’s no re-pricing of the whole job because one fixture moved.
Most homes from that era in Los Altos have original galvanized plumbing, outdated electrical panels, and either shallow slab or crawlspace foundations. Drain lines are often cast iron and in poor shape. We inspect for these early so they land in the estimate instead of surprising you after demo.
Los Altos residents scrutinize construction closely, and final sign-off depends on clean city inspections at each phase, including tree protection, foundation, framing, and plumbing. A missed inspection can push framing into the November – April rain window. Our job is to keep the sequence on track so you’re not paying for weather delays caused by paperwork.
Written by Glen Sorrento, Owner at Seaside Contractors, serving Los Altos and the surrounding Silicon Valley communities.