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
We’re Moreno Valley Builders, and we run a full-scope general contracting operation that handles Los Altos remodels, additions, and exterior work from permit to punch list. If you’re planning a ranch home second-story addition near downtown, a kitchen rebuild on a hillside lot, or a full teardown-rebuild, call us at (877) 752-3154. We know the streets, the setbacks, and the building inspectors here, which means fewer surprises when your permit review comes back.
Key Takeaways:
- One contractor manages every phase: design, permitting, trades, materials, inspections, and final walkthrough.
- We specify coastal-spec materials for Los Altos’s thermal cycling and trace salt air, not inland-grade fasteners and frames.
- Typical kitchen remodels in Los Altos run $14,000 – $45,000; full home additions run $45,000 – $130,000.
- Free estimates, written line-item quotes, and no change orders once scope is locked.
Why Moreno Valley Builders Is Los Altos’s Preferred General Contractor Company
Los Altos homeowners tend to ask harder questions than most. They want to know what brand of window frame we’re specifying, what gauge of fastener goes into the roof deck, and why we chose one paver over another. That’s the kind of customer we’re built for. Noel Trevino leads our operation, and his approach is simple: name the material, explain the reason, and show the price gap before it becomes a change order.
We’ve worked across Los Altos long enough to know that the 94022, 94023, and 94024 zip codes each present slightly different conditions. The older streets west of downtown near First Street and Edith Avenue carry the strictest floor-area-ratio limits and the most non-conforming lot coverage issues. The hillside lots in the southern part of the city bring drainage and retaining wall questions that flatland lots never do. When a Los Altos homeowner calls us, they’re getting a contractor who has already navigated these specific lots, these specific setbacks, and this specific building department.
Our General Contractor team operates as a single point of accountability. You don’t juggle a roofing sub, a window sub, and a hardscape crew. We coordinate all of it, and we’re the one number you call when something needs attention.
Styles & brands we work with
Construction Company in Los Altos
A construction company in Los Altos carries a different workload than one in a denser city. Most of our work here is high-end remodel, second-story addition, and teardown-rebuild of mid-century ranch homes, not new subdivision build. The city’s zoning leans hard on single-story massing and floor-area-ratio caps in the older neighborhoods near downtown, which means the structural, envelope, and utility upgrades happen inside the existing footprint or within a carefully permitted addition.
Permit Strategy and Lot Constraints
On the older streets just west and north of downtown Los Altos, many original ranch homes have shallow setback violations or non-conforming lot coverage that only surface when a homeowner pulls a permit for an addition. We run as-built surveys early, identify the variance work required, and sequence the permit submittal so the city sees the full picture in one review cycle, not three.
Foundation and Structural Realities
The dominant Los Altos stock is 1950s and 1960s California ranch on 8,000 to 10,000 square foot lots, much of it slab-on-grade or shallow pier foundation with original single-pane windows and uninsulated walls. Any room addition or second-story project forces a structural conversation early: we’re typically adding shear wall, upgrading the foundation line, and bringing the envelope to current Title 24 energy code at the same time. Budgeting for a home addition in Los Altos runs $45,000 – $130,000 depending on lot slope, foundation condition, and whether the city requires a variance.
Remodeling Contractor in Los Altos
A remodeling contractor in Los Altos is usually working inside structures that were never designed for modern insulation, wide-span open plans, or the kind of specialty glazing these homes now demand. Kitchen remodels here land between $14,000 and $45,000, and the material choices matter more than most homeowners expect. When we open up a 1964 ranch kitchen, we’re not just pulling cabinets; we’re often relocating plumbing across a slab, adding a structural header, and re-flashing a roof penetration for a new hood vent.
Kitchen and Bath Scopes
Los Altos kitchens typically run higher than the county average because of what’s already in the walls: knob-and-tube remnants, undersized electrical panels, and original cast iron drain lines. A small kitchen remodel starts around $9,000 – $20,000, but a full gut with island, backsplash, and countertop replacement from Cambria or Caesarstone lands in the $14,000 – $45,000 range. Bathrooms follow the same pattern, with small bath remodels at $5,000 – $12,000 and full primary bath rebuilds running $9,000 – $28,000.
Material Spec Decisions
We specify KraftMaid and Wellborn cabinetry because their plywood box construction and soft-close hardware hold up through Los Altos’s dry-season temperature swings without racking or hinge creep. When a homeowner asks why not builder-grade stock cabinets, the answer is the same one we give about roofing fasteners: the thermal cycling here ages cheap materials in five to seven years. Los Altos homeowners are paying for a decade-plus horizon, not a five-year one.
Trusted Brands We Service in Los Altos
We carry direct material relationships with Belgard, Unilock, ActiveYards, and Tremron, which means Los Altos driveways, patios, and fence lines get specified with products we can source quickly and warranty responsibly. We stock local parts and common replacement components for these brands, so a paver repair or fence section replacement doesn’t stall while a distributor ships from three states away. If you’re planning a hardscape or fencing phase inside a larger remodel, we can quote it as part of the same scope, not a separate bid.
See the difference
Before
After
Before
After
Before
AfterCommon General Contractor Problems We See in Los Altos Homes
- Coastal-spec fasteners and hardware failing early. Galvanized nails and standard steel connectors rust within a decade under thermal cycling and trace salt air, even though Los Altos isn’t directly on the coast. We specify stainless or hot-dip galvanized hardware on every roof and rail connection.
- Vinyl window frames cracking at the corners. The original single-pane ranch windows get replaced with off-the-shelf vinyl that can’t handle the hot inland afternoons and cool nights. Thermally broken aluminum or fiberglass frames hold dimension better and don’t warp at the weld line.
- Non-conforming lot coverage surfacing at permit review. Many original ranch homes west of downtown sit on lots with shallow setbacks or coverage ratios that don’t match current code. We catch this before framing starts, not after the city red-tags the foundation formwork.
- Unsealed paver joints wicking moisture and weeds. Los Altos’s rare winter rains hit hard when they come, and unsealed joints between pavers absorb water, heave, and sprout weeds. We seal every paver driveway and patio with marine-grade joint sealant as part of the install, not as an add-on.
Pricing for General Contractor in Los Altos, CA
Here’s what Los Altos homeowners should budget for the most common scopes we quote:
| Service | Los Altos Price Range |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Paver Driveway Installation | $7,000 – $18,000 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
These ranges assume coastal-spec materials where they matter: stainless fasteners, thermally broken frames, sealed paver joints. The inland-spec version of a roof or window job prices 10 – 20% lower at bid, but the failure cycle starts inside five years and the repair cost eats the savings. We quote the spec that lasts, and we show you the line-item difference so you’re deciding with real numbers, not a sales pitch. Call (877) 752-3154 for a free estimate. We’ll walk the property, measure the actual conditions, and give you a written quote that won’t change mid-project.
We Also Serve Cities Near Los Altos
Our crew covers Los Altos and the surrounding communities including Los Altos Hills, Loyola, Mountain View, and Stanford. If you’re in one of these areas and planning a remodel, addition, or exterior project, the same material-spec process applies, and we’re already familiar with the local building departments.
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
Los Altos sits in a dry-summer Mediterranean climate with hot inland afternoons that run 10 – 15°F warmer than nearby coastal towns and cool nights that drop quickly, creating a thermal cycling pattern that accelerates corrosion on galvanized fasteners and standard vinyl frames even though the city isn’t on the coast. The upgrade to stainless or hot-dip hardware and thermally broken window frames typically adds 10 – 20% to the hard cost of a roof or window scope, which on a $12,000 roof replacement means roughly an extra $1,200 – $2,400. Call (877) 752-3154 and we’ll show you the exact line-item difference before you sign anything.
A second-story addition on an older Los Altos ranch generally requires a building permit, a planning review for floor-area-ratio and setback compliance, and often a variance when the original lot was developed under older code. We run an as-built survey before design finalizes, then submit the full package including variance application, structural drawings, and Title 24 energy calculations as one submittal. The goal is a single review cycle. If you want to know whether your lot triggers variance work, call us and we’ll pull the parcel data first.
We look at the framing direction of the ceiling joists and roof rafters, then trace the load path down to the foundation line before removing anything. In most 1950s and 1960s Los Altos ranch homes, the wall between kitchen and living room carries roof load, which means we’re adding a flush beam or a dropped header plus point loads at each end, and that often requires a foundation pad upgrade under the new posts. It’s a standard part of our remodel scopes here, and it gets priced before demo starts, not after.
A home addition in Los Altos typically follows a five-draw schedule: mobilization and demo, foundation and slab, framing and roof, rough mechanical and insulation, then finish and closeout with a small retainage held until final inspection passes. Each draw is tied to a city inspection sign-off, so you’re paying for verified progress, not promises. Call (877) 752-3154 and we’ll walk you through the exact schedule for your lot and scope.
We run a written punch list after the final walkthrough, then schedule the brand-specific follow-ups directly: KraftMaid ships any replacement door or hinge, Cambria schedules a certified repair tech if a seam needs attention, and we coordinate all of it until the city’s final inspection is signed off and the retainage is released. You’re not chasing manufacturers; we are. That’s the single-accountability model we run on every Los Altos job.
Written by Noel Trevino, Owner at Moreno Valley Builders, serving Los Altos and Silicon Valley.
Planning a remodel, addition, or exterior project in Los Altos? Call Moreno Valley Builders at (877) 752-3154 to schedule your free estimate. We’ll walk the property, answer your material questions directly, and give you a written, line-item quote that won’t shift once work starts.