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
GAF Construction in Lexington Hills, CA
We’re an independent GAF roofing contractor serving Lexington Hills with full roof replacement, repair, and storm-damage work. The single thing that makes GAF work different here is the county: Santa Clara County reviews every re-roof through Chapter 7A fire-safety requirements, and the permit process runs through the county rather than a city building department. That changes how we specify underlayment, vents, and edge metal on every GAF system we install in ZIP 95031. Call (877) 373-9230 for a free estimate.
Why Lexington Hills Residents Choose Us for GAF Service
We’ve spent years installing and repairing GAF in Los Gatos and throughout the steep, wooded parcels of the Santa Cruz Mountains, and that experience shapes every recommendation we make. We know the GAF shingle lines cold: Timberline HDZ, Timberline UHDZ, EverGuard TPO for low-slope sections, and Liberty for structures like detached garages that need a different system. We also know how a mountain roof actually fails, which is rarely the shingle itself. It’s the underlayment that was never rated for wind-driven rain, the edge metal that rusted out along a valley, or the attic that cooked itself because no one vented it properly.
Noel Cardenas, who owns Garden Grove Contractors, came up through a vocational trades program and has spent his career on projects where the material decision today determines whether you’re patching or replacing in ten years. “The material you pick today is the problem you solve, or the one you live with, ten years from now.” That’s the lens we bring to every GAF roof in Lexington Hills.
Styles & brands we work with
- Kitchen remodeling
- Bathroom remodeling
- Home additions & ADU
- Roofing
- Windows & doors
- Driveway & pavers
- Fence
Common GAF Construction Problems We Solve in Lexington Hills
- Wind-driven rain blowing up under shingle courses. Lexington Hills gets intense winter storms that push rain sideways for hours. On steep roofs with older underlayment or compromised edge metal, we regularly see moisture working its way under the first and second courses of shingles. The fix is almost always a combination of new underlayment, proper eave protection, and sealing or replacing the drip edge.
- Ember intrusion and fire-rated assembly gaps. This is the big one in a Cal Fire high-severity zone. Older roofs often lack Class A rated underlayment, ember-resistant vents, or the proper edge metal that Chapter 7A requires. We see it on every third re-roof up here: a decent-looking shingle field sitting over an assembly that would fail the county’s fire review.
- Premature granule loss on south- and west-facing slopes. The mountain sun on those exposures is intense, and temperature swings in the Santa Cruz Mountains are wider than most people expect. Without proper attic ventilation, we see granular shedding and shingle aging five to eight years ahead of schedule. The shingle isn’t defective. The ventilation is.
- Deck and flashing failures from slope movement. Lexington Hills homes sit on hillside soils that expand and contract through the wet season. That movement cracks sealant and opens step-flashing seams at walls and dormers. A GAF roof can be perfectly installed and still leak at the flashings if the deck underneath is shifting.
- Failed overlays on original wood-shake roofs. We recently re-roofed a 1960s redwood-era cabin off Black Road where someone had overlaid a wood-shake roof with a layer of 3-tab shingles and never vented it. The sheathing rotted from trapped moisture. Our crew stripped both layers, replaced the dry-rotted sections, and installed a full GAF Timberline HDZ system with Class A fire-rated underlayment and an ember-resistant ridge vent to pass the county’s WUI review.
GAF Service in Lexington Hills: What Local Conditions Mean for Your Project
Here’s the reality most roofing pages won’t tell you: Lexington Hills has no city building department, and that simple fact governs every GAF repair in Monte Sereno and every GAF roof we install here. All permits and inspections run through Santa Clara County, and because the entire area sits inside a Cal Fire high fire severity zone, the county requires Chapter 7A ignition-resistant assemblies on every re-roof. That means Class A rated roof coverings, ember-resistant vents, and documented underlayment that meets the fire standard. A straightforward Timberline HDZ replacement isn’t just a shingle job; it’s a specification package that has to pass county fire review. We document every layer, every vent, every piece of edge metal, because the inspector will check. Add to that the access reality: many Lexington Hills homes sit at the end of single-lane private fire roads where a delivery truck can’t turn around. We staged shingle bundles at the road and shuttled them up in a tracked carrier on that Black Road job. That’s standard procedure up here, not an exception. If your roofer is quoting you as if this is a San Jose tract home, the logistics alone tell you they haven’t worked in Lexington Hills.
You can read more about how we approach GAF systems across the region on our GAF service page.
GAF Models & Products We Service in Lexington Hills
We work on the full GAF product line that makes sense for mountain conditions. Timberline HDZ is the most common for steep-slope, high-wind applications; we specify it on most re-roofs here. Timberline UHDZ gets the call when the homeowner wants an upgraded aesthetic and thicker shingle. For low-slope sections, detached garages, and outbuildings, EverGuard TPO and Liberty Low-Slope systems cover the same territory that a wood-shake or old roll-roof used to. On repairs, we use GAF-manufactured accessories, underlayments, vents, and edge metal whenever possible, because mixing brands can void the performance expectations of a rated assembly. We stock common accessories for quicker turnaround on Lexington Hills repairs and GAF service in Cambrian Park, so you’re not waiting on a distributor in San Jose for every valley metal or ridge vent.
See the difference
Before
After
Before
After
Before
AfterGAF Service Pricing in Lexington Hills
Roof work in Lexington Hills costs more than the same job in the flatlands, and the reasons are specific: hauling materials up narrow mountain roads, staging for fire-road access, and the extra documentation required for county Chapter 7A review. Our pricing reflects those realities. Here’s what we quote for GAF systems in this area:
| Service | Price Range |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Roof Repair | $400 – $1,800 |
| Metal Roof Installation | $15,000 – $40,000 |
| Tile Roof Repair | $600 – $2,500 |
Every estimate is free and includes a written, line-item scope so you see exactly what’s being specified, from underlayment to vents to edge metal. Call (877) 373-9230 for an exact quote on your Lexington Hills roof.
Serving Lexington Hills, CA - Our Local Coverage Area
We serve Lexington Hills and nearby communities. Also see GAF service in Scotts Valley. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs – GAF Construction in Lexington Hills
Yes, Timberline HDZ shingles carry a Class A fire rating, but the shingle alone doesn’t meet Santa Clara County’s Chapter 7A requirement. The full assembly, underlayment, vents, and edge metal, must all comply with ignition-resistant standards. We specify the complete system and document it for county fire review. Call (877) 373-9230 to confirm your roof will pass.
We stage materials at the road and shuttle them up with a tracked carrier when the driveway can’t accommodate a delivery truck. We’ve done this on single-lane fire roads throughout the area, including off Black Road and Highway 17. It adds time to the job, but it prevents torn-up driveways and stuck trucks. Call (877) 373-9230 for an access assessment on your property.
On Lexington Hills roofs we use GAF’s synthetic underlayment rated for high-wind and heavy-rain performance, paired with an ice-and-water shield at eaves and valleys. The wind-driven rain up here gets under shingle courses if the underlayment is thin or the sealant fails. We spec for the worst rain you’ll actually get, not the mild-case scenario.
Yes, when the shingle field is sound but flashing, underlayment, or edge metal has failed, we repair those components rather than pushing a full tear-off. We’re honest about the line: if the deck is compromised or the shingles are near end-of-life, repair becomes a temporary bandage. We’ll tell you which situation you’re in. Call (877) 373-9230 for an assessment.
South-facing slopes in Lexington Hills take the full brunt of mountain sun and wide temperature swings. Without proper attic ventilation, heat builds up under the deck and accelerates granule loss and shingle aging. The fix is usually ventilation first, not a strip-and-replace. Call (877) 373-9230 to have us check your ventilation before you spend money on shingles.
Service Areas Near Lexington Hills
Beyond ZIP 95031, we cover GAF work across the broader Santa Cruz Mountains and surrounding communities. For mountain lots with the same access and fire-review constraints, see our GAF service in Lompico page. For lower-elevation work, we also run GAF service in Seven Trees. Our full coverage area includes Lexington Hills service area and nearby communities.
Book Your GAF Service in Lexington Hills Today
If your GAF roof needs repair or replacement, or you’re planning a re-roof that has to pass county fire review, call (877) 373-9230. We’ll walk the roof, assess the access, and give you a written estimate that spells out every layer. Emergency storm-damage response is available when winter weather hits.
Written by Noel Cardenas, Owner at Garden Grove Contractors, serving Lexington Hills and the Santa Cruz Mountains.