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
Remodeling Company in Los Altos, CA
Home renovation in Los Altos is not like remodeling anywhere else in the Bay Area. Much of the housing stock dates to the 1950s and 60s, single-story ranch and Eichler-influenced homes on generous lots, and the market has shifted decisively toward tear-downs, second-story additions, and ADUs rather than cosmetic repairs. Timberline Contractors approaches every Los Altos job with that reality in mind: design around protected trees, respect strict floor-area-ratio limits, and build for wildfire resistance. Call (866) 253-5808 for a free estimate on your project.
Why Los Altos Homes Are Different
Los Altos was built as a low-density suburb, and it still feels that way. The original homes, most from the 1950s and 60s, sit on large lots shaded by mature coast live oaks and redwoods. Those trees are not just scenery. The city enforces tree-preservation rules that can trigger a permit and arborist review before you remove a heritage oak or even work within its root zone. Foundations and additions often get designed around the tree, not the other way around. On top of that, Los Altos applies strict lot-coverage and floor-area-ratio limits, so expanding a home usually means going up, not out. The climate is mild and dry with almost no freeze risk, which shifts the focus to wildfire-resistant detailing, drainage, and sun exposure on decks and south-facing rooms. If you are buying a 1960s ranch in 94022 or 94024 and planning to stay, you will likely either remodel what is there or replace it entirely. Both paths run through the same permitting realities.
Styles & brands we work with







Our Main Los Altos Services
Two services account for most of what homeowners in Los Altos ask us about: full general-contractor management of a significant remodel, and whole-home renovation that touches multiple rooms at once. Here is how each works in this city.
General Contractor in Los Altos
Hiring a General Contractor in Los Altos means one accountable team from the foundation to the ridge cap. On a 1950s ranch that is being expanded upward or replaced outright, that single point of responsibility matters more than in a city with newer stock and simpler permits. We manage the full scope: structural work, subcontractors, material orders through our 50-plus brand partners, inspections, and the final walkthrough. Los Altos design review and arborist requirements add layers that are easy to underestimate. We handle those early so they do not stall the job mid-build.

Home Remodeling in Los Altos
A Home Remodeling in Los Altos project typically means reworking kitchens, baths, and living spaces inside a home that is staying put, rather than coming down. Many of the ranch homes here have good bones but dated floor plans, single-pane windows, and original 1960s plumbing and electrical. We open up walls, relocate load-bearing elements where the engineer approves, and bring in materials from Cambria, Kohler, James Hardie, and other partners our clients choose. The goal is a home that performs like new construction without the cost and time of a full rebuild, all while respecting Los Altos permit rules and tree setbacks.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Home Renovation in Los Altos

A full Home Renovation in Los Altos solves a specific problem: the original house no longer fits how you live, but the lot, the trees, and the neighborhood are exactly where you want to stay. Many 1950s and 60s ranches here were built with closed-off kitchens, one bathroom, and no connection to the yard. Renovating means reconfiguring the interior, upgrading every system, and often adding a second story or an ADU within strict floor-area-ratio limits. The mild climate means we can schedule exterior and interior work nearly year-round, but wildfire-resistant materials and drainage details are non-negotiable on every job.
Home Renovation Contractors
Signs you need it
You are planning to stay in Los Altos long term, but the floor plan, room count, or building systems no longer support how your household actually lives.
What it costs in Los Altos
Whole-home renovation work by a general contractor in Los Altos typically runs from $45,000 to $130,000 for a home addition, with smaller scoped renovations starting lower depending on finish level and structural changes.
How we do it
We start with a walkthrough and budget conversation, then pull permits, order materials through our brand partners, and manage every trade in sequence so the project moves without gaps.
Home Renovation Companies
Signs you need it
You have outgrown piecemeal fixes and need one accountable company to manage subcontractors, material quality, and scheduling from design through final inspection.
What it costs in Los Altos
Kitchen renovations in Los Altos typically range from $14,000 to $45,000, while bathroom remodels run $9,000 to $28,000 depending on scope and fixtures.
How we do it
We bring the showroom to the project, walking you through material options from Cambria, Kohler, and James Hardie, then build to the agreed spec without change orders.
What Home Renovation Costs in Los Altos
| Item | Typical range in Los Altos |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
How long does a home renovation take in Los Altos?
A kitchen typically takes 6 to 10 weeks, a bathroom 3 to 6 weeks, and a full home addition 4 to 8 months once permits are issued. Los Altos tree reviews and design-review rounds can add weeks before construction starts. Call (866) 253-5808 to get a realistic timeline for your scope.
Will the price change once renovation work starts?
No, if the scope does not change. We write fixed line-item quotes and do not use change orders unless you add or alter something mid-project. Call (866) 253-5808 for a detailed, itemized estimate.
Brands We Service in Los Altos
On Los Altos projects we regularly install materials from Unilock and Techo-Bloc for hardscaping, plus Tremron pavers on driveways and patios. These manufacturers ship quickly to our Bay Area suppliers, so lead times stay short even on custom paver work. See our brands for the full selection across every trade.
Pricing for Remodeling Company in Los Altos, CA
| Service | Typical range in Los Altos |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Home Addition | $45,000 – $130,000 |
| Vinyl Fence Installation | $3,500 – $9,000 |
Prices in Los Altos push toward the upper end of these ranges when a project requires a heritage-oak arborist review, a second-story structural design, or premium materials like Caesarstone and Toto fixtures. The good news: we quote fixed prices upfront, with no change orders unless you change the scope.
See the difference
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AfterNeighborhoods We Serve in Los Altos
We work throughout Los Altos, including the neighborhoods on both sides of Foothill Expressway and the areas closest to downtown. Each has the same ranch-era housing stock, but lot sizes and tree coverage vary enough that we plan each job separately.
- North Los Altos
- South Los Altos
- The Highlands
- Old Los Altos
- Woodland Acres
We typically respond to estimate requests in Los Altos within one business day, and we schedule walkthroughs around your availability, including evenings.
Service Area – Cities Near Los Altos
From our Bay Area base we serve Los Altos and the surrounding communities of Los Altos Hills, CA, Loyola, CA, Mountain View, CA, and Stanford, CA. Many of these share the same 1950s and 60s housing stock and tree-protection rules, so the permitting and design experience carries directly across city lines.
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 Remodeling Company in Los Altos
After we agree on scope and price, the timeline depends on Los Altos permits and any required design review or arborist sign-offs. Plan on 3 to 8 weeks before construction begins. Call (866) 253-5808 to review your specific property and get an honest start-date estimate.
Often, yes. Removing or working near a protected heritage oak or redwood can require a city permit and an arborist report. We evaluate this early, before drawings are finalized, so foundations and additions work around the root zones instead of triggering delays later.
Yes. One contract covers interior remodeling, exterior envelope work like roofing and siding, hardscaping, fencing, and ADU construction. That single-source accountability eliminates the coordination gaps that happen when homeowners hire trade-by-trade. Call (866) 253-5808 for a free estimate on any scope.
Contact Us for Your Los Altos Remodeling Project
If you are planning a renovation, addition, or whole-home remodel in Los Altos, call Timberline Contractors at (866) 253-5808 for a free estimate. We will walk your property, listen to what you actually need, and give you a fixed, line-item price before any work begins. One contractor, every phase, from the foundation to the ridge cap.
What happens when you call
- 1A real person answersNo phone trees — talk to a local construction pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Los Altos Customers Say
"Excellent build. Costs came in about six percent over the original contract, driven mostly by material price movement during the build, which he documented each time."
— Vivian Nguyen"He caught an error in the engineer's drawings before it got framed, which would have been an expensive thing to discover later."
— Tracy Anderson"Framing crew was meticulous and the walls are straight everywhere. Drywall goes on a lot better when the framing is right."
— Luis Mendoza