Hand-vetted contractors for kitchens, bathrooms, ADUs, and whole-home rebuilds across North Los Altos, Old Los Altos, the Country Club area, and South Los Altos. Matched to homeowners on the Peninsula.
Los Altos started life as a sprawling ranch-style community, and that shows in the housing stock. North Los Altos, platted by Paul Shoup back in 1906, and the south-side Highlands tracts are dominated by 1950s single-story ranch homes on quarter-acre-plus lots under tree-lined streets. Many of those ranchers are now being torn down or wrapped into larger new Craftsman and Mediterranean builds. Old Los Altos near downtown holds the highest concentration of historic Victorian, Craftsman, and Spanish-style homes, and the Country Club neighborhood along the foothills carries the city's larger luxury parcels.
Because lots and homes here run larger than the county average and land value drives everything, Los Altos work skews toward whole-home rebuilds and second-story additions rather than cosmetic refreshes. We match Los Altos homeowners with contractors who have done that caliber of work on the Peninsula, from full down-to-studs renovations and two-story additions to detached ADUs and high-end kitchen and bath builds. The design-review track and the city's premium price point both mean these projects reward a contractor who knows the local process.
Realistic 2026 cost ranges based on the projects our contractors are actually pricing in Los Altos right now.
Kitchens in Los Altos rarely stop at the kitchen. The common scope opens the room into the family and dining spaces, swaps dated cabinets for custom shaker or slab fronts, adds stone counters, and builds a large island with new electrical. On 1950s ranch homes that means rerouting plumbing and wiring through original framing, and on the city's higher-end builds the appliance and millwork packages push these toward the top of the range.
Primary baths in the older ranch and historic stock tend to be small, with a single vanity and a tub-shower combo. Most Los Altos projects expand into an adjacent closet or hallway to fit a curbless walk-in shower, a double vanity, and heated floors. The high-end finish and fixture choices common in this market often carry these projects above the typical Bay Area bath budget.
Los Altos follows California ADU law alongside its own ADU and JADU standards, and the larger quarter-acre-plus lots here suit detached units well. New accessory units on designated historic properties go through ministerial design review under the city's preservation regulations and the Secretary of the Interior's Standards. Recent state changes, including SB 1211 and AB 2533, continue to expand what is allowed.
Browse ADU models →This is the heart of the Los Altos market. Owners of single-story 1950s ranchers add a second story, gut and rebuild the interior, or do both, and buyers of older homes near downtown renovate down to the studs. Two-story and new single-family designs go before the Design Review Commission, and on older homes expect full systems replacement plus foundation and seismic upgrades in the scope.
Permits run through the City of Los Altos Development Services Department, which houses both the Building and Planning Divisions, at 1 N. San Antonio Road. Building plans are submitted electronically, and the city asks applicants to allow up to five business days just for the initial completeness check. Full plan-check review, and any required single-family design review for two-story and new homes, runs substantially longer, commonly multiple months on design-review-track projects.
Los Altos runs a formal single-family Design Review process: two-story and new single-family homes are reviewed by the Design Review Commission against the city's Residential Design Guidelines. The city does not use a historic district overlay, but it adopted Historic Preservation Regulations and a Mills Act program in 2023 and 2024, designating individual historic properties and offering a property-tax incentive in exchange for ongoing preservation. The Historical Commission reviews development on those historic properties.
Los Altos sits mostly on the flat Santa Clara Valley floor and is served by the Santa Clara County Fire Department, so most parcels fall outside the mapped Very High Fire Hazard Severity Zone, though the foothill margins near the Country Club and San Antonio Open Space area carry elevated risk under CAL FIRE's updated 2025 maps. The city sits between the San Andreas Fault in the Santa Cruz Mountains and the foothill-margin Monte Vista and Berrocal thrust faults, so foundation bolting and cripple-wall bracing are common adders on older ranch homes. In 2024 the city also adopted an SB 9 ordinance allowing a ministerial two-unit development or lot split on R1 lots subject to objective standards.
Tell us about your project. A matchmaker will call you within one business day and hand-pick 2–5 contractors from our vetted network who have worked in Los Altos before.
Or call (925) 693-7590
