Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Before
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Before
AfterConstruction in Los Altos Hills, CA
Roofing and exterior construction in Los Altos Hills runs into a regulatory stack that flatland cities don’t face: every project must clear the Town’s Architectural Site Committee, meet Cal Fire WUI fire-resistive mandates, and satisfy hillside grading rules simultaneously. We’re Rowan Construction Group, and our crews have documented the photo record on every Los Altos Hills visit since we began serving the Santa Cruz Mountain foothills. Call (669) 215-4852 for a written price before any work starts.
Why Los Altos Hills Homes Are Different
The housing stock here is almost entirely 1950s-1970s ranch-style homes on sloped, heavily landscaped one-acre-plus lots, many now scraped for high-end custom builds. Those older structures sit on cut-and-fill foundations that need geotechnical evaluation before any addition, and they carry original galvanized plumbing, undersized electrical panels, and no seismic retrofitting that must be addressed during substantial remodels.
The terrain itself changes the work. Expansive clay and serpentinite-influenced soils require site-specific geotechnical reports and engineered retaining walls for virtually any ground-disturbing project. The Santa Cruz Mountain foothills concentrate wind during fire weather, which is why Cal Fire’s Very High Fire Hazard Severity Zone designation here carries genuine engineering consequences, not nominal paperwork. And a large share of parcels remain on private septic systems rather than municipal sewer, so a demo-and-rebuild that triggers a Santa Clara County Environmental Health percolation test and septic redesign can silently add four to six months to a project timeline on top of ASC approval.
Our Main Los Altos Hills Services
Los Altos Hills homeowners call us most often for interior renovations and structural additions. Here is what those projects involve locally.
Kitchen Remodeling in Los Altos Hills
Kitchen remodels in Los Altos Hills frequently require panel upgrades and plumbing replacement before a single cabinet goes in, because the original 100-amp service and galvanized lines can’t handle modern appliance loads. We source KraftMaid and Wellborn cabinets with specifications matched to the hillside access constraints that limit crane and delivery options. Kitchen Remodeling in Los Altos Hills includes a written price before demolition and a documented photo record at every inspection milestone.
Bathroom Remodeling in Los Altos Hills
Bathroom work here often uncovers moisture intrusion in original stucco walls and subfloor rot from decades of landscape irrigation against the foundation. We specify Kohler and Toto fixtures with water-efficient ratings that satisfy Santa Clara County requirements, and we sequence the work around septic-system limitations where municipal sewer isn’t available. Bathroom Remodeling in Los Altos Hills is quoted with a flat price and a written scope before any fixture is ordered.
Home Additions & ADU in Los Altos Hills
Additions and ADUs in Los Altos Hills must navigate the triple compliance of ASC design review, WUI fire-resistive construction, and hillside grading engineering. We commission geotechnical reports and retaining wall designs as standard, not afterthoughts, because cut-and-fill foundations on these slopes have failed when contractors treated them like flatland pours. Home Additions & ADU in Los Altos Hills include signed change orders for any scope shift, keeping projects within a few percent of the agreed price.
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.
Before
AfterRoofing in Los Altos Hills
Roofing in Los Altos Hills is governed by Cal Fire’s WUI mandates that flatland contractors rarely encounter: Class A fire rating, ember-resistant vents, and ignition-resistant exterior cladding are not upgrades here, they are code. The 1950s-1970s ranch stock we see most often carries original wood shake or early composite shingles past their service life, and the concentrated foothill winds during fire weather mean a compromised roof is a structural liability, not just a maintenance item. Our Roofing crews document every deck condition and fastener pattern in the photo record included with every visit.
Roof Repair
Signs you need it
Shingle tabs curled or missing after winter wind events, granule accumulation in gutters, or daylight visible through the roof deck in the attic.
What it costs in Los Altos Hills
Roof repair in Los Altos Hills typically runs $400-$1,800, with tile roof repair at $600-$2,500 where matching salvaged clay or concrete tile is required.
How we do it
We remove damaged courses to inspect the underlayment, replace deteriorated decking, install new material to match existing WUI-compliant specifications, and photograph each layer for the documented record.
Roof Replacement & Installation
Signs you need it
Multiple leak points, decking that flexes underfoot, or an original roof past 25 years with no Class A rating that blocks ASC approval for any exterior renovation.
What it costs in Los Altos Hills
Roof replacement in Los Altos Hills ranges $8,000-$20,000 for standard composite systems, with metal roof installation at $15,000-$40,000 where WUI compliance and longevity justify the premium.
How we do it
We strip to deck, replace compromised plywood, install fire-rated underlayment and ember-resistant venting, finish with Class A-rated material, and submit photo documentation for ASC verification if the project requires it.
What Roofing Costs in Los Altos Hills
| Item | Typical range in Los Altos Hills |
|---|---|
| Roof Repair | $400-$1,800 |
| Roof Replacement | $8,000-$20,000 |
| Metal Roof Installation | $15,000-$40,000 |
How long does a roof replacement take in Los Altos Hills?
Most roof replacements take 3-5 working days, but ASC approval and WUI inspection scheduling can add 4-8 weeks before work starts. Call (669) 215-4852 for a timeline based on your specific project and ASC queue position.
Do you handle WUI compliance documentation?
Yes, we specify Class A materials, ember-resistant vents, and ignition-resistant cladding as standard, and we photograph each compliance element for ASC and building department submittal. Call (669) 215-4852 for a written quote that includes all WUI-mandated components.
Windows & Doors in Los Altos Hills
Windows and doors in Los Altos Hills face a combination that flatland homes don’t: the Santa Cruz Mountain foothills concentrate wind that tests seal integrity, and Cal Fire’s VHFHSZ designation means ember-resistant venting and fire-rated assemblies are often required for any exterior modification. The original 1950s-1970s ranch stock has single-pane aluminum or early vinyl units with failed seals and no wind-load rating, which means replacement isn’t just an efficiency upgrade but a structural and safety necessity. Our Windows & Doors team measures every opening for square and level, because hillside settlement has thrown many frames out of true.
Window Replacement
Signs you need it
Condensation between panes, frames that rattle in foothill winds, or visible daylight around the sash that drives heating and cooling loads.
What it costs in Los Altos Hills
Window replacement in Los Altos Hills typically runs $4,500-$15,000 for a full-home project, with impact window installation at $8,000-$25,000 where wind-borne debris protection is specified.
How we do it
We remove the existing unit, repair or replace rotted framing and compromised flashing, install the new window with low-expansion foam and mechanical fastening rated for the local wind zone, then seal and photograph the assembly.
Impact Windows & Doors
Signs you need it
ASC or insurance requirements for wind-borne debris protection, or repeated seal failure in standard units due to concentrated foothill gusts.
What it costs in Los Altos Hills
Impact window installation in Los Altos Hills ranges $8,000-$25,000 depending on opening count and frame material, with laminated glass and reinforced hardware throughout.
How we do it
We specify laminated glass with interlayer thickness matched to local wind-load calculations, install reinforced frames anchored to structural framing, and document the assembly with photos for insurance and ASC records.
What Windows & Doors Costs in Los Altos Hills
| Item | Typical range in Los Altos Hills |
|---|---|
| Window Replacement | $4,500-$15,000 |
| Impact Window Installation | $8,000-$25,000 |
Do I need impact windows in Los Altos Hills?
Not by default, but some insurers and ASC conditions require them for homes above certain elevations or with specific exposure. Call (669) 215-4852 and we’ll review your specific requirements and quote accordingly.
How long does window replacement take?
Most full-home window replacements take 2-4 working days once materials arrive, with lead times currently 6-10 weeks for specialty impact-rated units. Call (669) 215-4852 for current availability and a written timeline.
Fence Installation in Los Altos Hills
Fence installation in Los Altos Hills must clear the Architectural Site Committee for height, material, and sight-line compliance, and WUI mandates restrict combustible materials within defensible space zones. The one-acre-minimum lots mean fence runs are longer and terrain is more variable than in grid-street cities, with slopes that require stepped or racked installation and post depths that must account for expansive clay soils. Our Fence Installation crews survey every line with grade stakes before quoting, because a fence that looks straight on paper can bow or gap on a Los Altos Hills slope.
Vinyl Fence
Signs you need it
ASC approval for a low-maintenance perimeter that satisfies sight-line and height restrictions without the combustibility concerns of wood in WUI zones.
What it costs in Los Altos Hills
Vinyl fence installation in Los Altos Hills typically runs $3,500-$9,000 for standard residential perimeters, with post depth and concrete footing increased for hillside stability.
How we do it
We lay out the line with grade stakes, auger post holes to 36-inch depth minimum in expansive clay, set posts in concrete with slope compensation, and rack or step the panels to follow grade without gaps.
Aluminum Fence
Signs you need it
WUI defensible-space requirements that prohibit combustible fencing within 30 feet of structures, or a pool enclosure that must satisfy Santa Clara County barrier codes.
What it costs in Los Altos Hills
Aluminum fence installation in Los Altos Hills ranges $4,000-$10,000, with powder-coated tubular stock that meets both ASC aesthetic standards and fire-resistive mandates.
How we do it
We specify aluminum alloy with appropriate wall thickness for wind load, set posts in engineered concrete footings on sloped terrain, and install with concealed fasteners that maintain the clean sight lines ASC review favors.
What Fence Installation Costs in Los Altos Hills
| Item | Typical range in Los Altos Hills |
|---|---|
| Vinyl Fence Installation | $3,500-$9,000 |
| Aluminum Fence Installation | $4,000-$10,000 |
Does the ASC need to approve my fence?
Yes, virtually all fence installations in Los Altos Hills require Architectural Site Committee approval for height, material, and placement before permits can issue. Call (669) 215-4852 and we’ll include ASC submittal documentation in your written quote.
Can I install a wood fence in Los Altos Hills?
Wood fencing is restricted in WUI defensible-space zones and often denied by ASC for perimeter visibility; we typically specify vinyl or aluminum for compliance. Call (669) 215-4852 to review your specific parcel and ASC precedents.
Driveway & Pavers in Los Altos Hills
Driveway and paver work in Los Altos Hills confronts terrain that flatland contractors rarely see: steep approaches, cut-and-fill slopes, and expansive clay soils that heave and settle with seasonal moisture changes. The original 1950s-1970s ranch stock often has asphalt or plain concrete drives cracked by root intrusion and hillside creep, and ASC review applies to any visible hardscape modification. Our Driveway & Pavers team engineers every base course for the local soil conditions, because a paver driveway that floats on inadequate base will telegraph every settlement crack within two winters.
Paver Driveways
Signs you need it
Original asphalt or concrete drive crumbling at the edges, standing water after rain that indicates settled grade, or ASC conditions requiring permeable or decorative hardscape for aesthetic compliance.
What it costs in Los Altos Hills
Paver driveway installation in Los Altos Hills ranges $7,000-$18,000, with base depth and geotextile specification increased for expansive clay and hillside drainage requirements.
How we do it
We excavate to engineered depth, install geotextile and compacted aggregate base in lifts, set edge restraints in concrete, lay Belgard or Techo-Bloc pavers to pattern, and sweep polymeric sand into joints with plate compaction.
Concrete Driveways & Concrete Work
Signs you need it
Original drive spalled and cracked beyond patch repair, or a new build requiring a structural slab that satisfies geotechnical specifications for cut-and-fill slopes.
What it costs in Los Altos Hills
Concrete driveway installation in Los Altos Hills typically runs $4,500-$12,000, with reinforcement and control joint spacing engineered for the local expansive clay and seasonal moisture cycle.
How we do it
We form to grade with slope for drainage, install rebar or fiber mesh per geotechnical spec, pour at appropriate slump for the access conditions, finish with broom or stamp as specified, and saw-cut control joints within 24 hours.
What Driveway & Pavers Costs in Los Altos Hills
| Item | Typical range in Los Altos Hills |
|---|---|
| Paver Driveway Installation | $7,000-$18,000 |
| Concrete Driveway Installation | $4,500-$12,000 |
| Asphalt Driveway Paving | $3,500-$9,000 |
Do pavers hold up on Los Altos Hills slopes?
Yes, when installed on an adequately compacted base with proper edge restraint and drainage; we engineer for the specific slope and soil report on each parcel. Call (669) 215-4852 for a written quote that includes base specification and drainage design.
How long does a paver driveway last?
A properly installed paver driveway on an engineered base lasts 25-30 years in Los Altos Hills, with individual paver replacement possible if settling occurs. Call (669) 215-4852 for a written price and base-engineering detail.
Brands We Service in Los Altos Hills
We stock and source from fifty-plus vetted brands including KraftMaid and Wellborn cabinets, James Hardie fiber-cement cladding, and Belgard and Techo-Bloc pavers. Most standard items arrive within 2-3 weeks; specialty orders for ASC-mandated finishes or WUI-compliant assemblies currently run 6-10 weeks. See our brands for the full line card.
Pricing for Construction in Los Altos Hills, CA
| Service | Typical range in Los Altos Hills |
|---|---|
| Kitchen Remodel | $14,000-$45,000 |
| Bathroom Remodel | $9,000-$28,000 |
| Roof Replacement | $8,000-$20,000 |
| Metal Roof Installation | $15,000-$40,000 |
| Window Replacement | $4,500-$15,000 |
| Impact Window Installation | $8,000-$25,000 |
| Vinyl Fence Installation | $3,500-$9,000 |
| Aluminum Fence Installation | $4,000-$10,000 |
| Paver Driveway Installation | $7,000-$18,000 |
| Concrete Driveway Installation | $4,500-$12,000 |
| Home Addition | $45,000-$130,000 |
| ADU Construction | $90,000-$220,000 |
Prices in Los Altos Hills trend toward the upper end of these ranges when ASC review requires design revisions, when geotechnical reports mandate engineered foundations or retaining walls, or when WUI compliance specifies premium fire-rated materials. Under Clause 1 of The Haven Standard, every project receives a written flat price before any work starts, with no change proceeding without a signed change order.
Neighborhoods We Serve in Los Altos Hills
Our crews work across the full footprint of Los Altos Hills, from the lower elevations near Foothill Expressway to the ridge-top parcels along Page Mill Road. Dispatch and scheduling are coordinated from our San Francisco Bay Area office, with travel time typically 15-25 minutes to most Los Altos Hills locations.
- Monte Bello Estates
- Westridge
- Altos Oaks
- Page Mill Road corridor
- Golden Oaks
Service Area - Cities Near Los Altos Hills
We serve Los Altos Hills directly and coordinate projects across the surrounding foothill and valley cities. Homeowners in Mountain View, CA, Los Altos, CA, Sunnyvale, CA, and Palo Alto, CA can call for the same written-price process and documented photo record on every visit.
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 Construction in Los Altos Hills
Architectural Site Committee review in Los Altos Hills usually takes 4-8 weeks for initial response, with revisions adding 2-4 weeks per cycle; we build this into every project timeline and include ASC documentation support in our written scope.
Yes, we pull all building, electrical, plumbing, and grading permits as part of our standard scope, and we coordinate with Santa Clara County Environmental Health for septic-related work when required; the permit costs and inspection scheduling are itemized in the written price before work starts.
We identify septic system conditions during preliminary site work and commission the percolation test early, because a failed or undersized system can add four to six months to the timeline; this sequencing is built into our project planning for Los Altos Hills parcels not on municipal sewer.
Call (669) 215-4852 to schedule your free estimate. Every quote is a flat written price with a written scope and warranty, and we offer a Free Second Opinion on any competitor’s written estimate.
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 Hills Customers Say
"Driveway replaced properly with a base that will actually last. They explained why the cheaper quote was cheaper."
- Reggie O."They found an old septic line under the driveway run and stopped, documented it, and re-quoted before continuing."
- Xavier L."Talked us out of the larger scope we came in asking for, because it would not have added the value we thought."
- Emil R.