Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across Los Gatos
When a Los Gatos homeowner calls us about a roof, they usually already know something is wrong. Maybe it’s a damp spot on the ceiling after a week of fog rolling through the hills, or a non-renewal letter from an insurance carrier pointing at a wood shake roof in a fire hazard zone. We get there fast, and we tell you the truth about what we find. Mercer Roofing handles Roof Repair, Roof Replacement, inspections, and specialty materials across Los Gatos, from the flats near downtown to the steepest lots off Summit Road. Call (743) 200-8347 and you’ll talk to a live person, not a voicemail.
Why Mercer Roofing Is Los Gatos’s Preferred Roofing Company
Los Gatos homeowners see a lot of roofing trucks. What they don’t see often enough is a company that tells you who is coming before they arrive. Every Mercer technician is background-checked and identity-verified under the Threshold Standard, and we send the technician’s name and photo to you before the visit. They badge in at the door with a photo ID. For a homeowner who is alone with young kids, or an older resident who wants proof of who is on the property, that detail matters more than any slogan.
As a Roofing Company serving Los Gatos, we’ve worked on both sides of the town’s housing stock: the early-1900s Craftsman and Victorian homes near downtown with their multi-plane roofs and ornamental trim, and the 1950s – 1970s ranch and split-level homes climbing into the Santa Cruz Mountains. Those hillside homes are where we see the most expensive surprises: original wood shake over rotted decking, attic wiring that should have been replaced decades ago, and rafters that were never sized for today’s load requirements. We write every price before work starts, and if something hidden shows up, you approve the change in writing before we order materials.
Mercer Roofing was founded in 2000 and is part of the Threshold Group family of home-service companies. Each location is independently owned and operated, and every one is held to the Threshold Verified standard. That’s not marketing language. It’s a contractual requirement: background-checked, uniformed, photo-badged technicians on every single visit. Our work is backed by the 365-Day Done Right Promise. If it’s not right within a year, we make it right. That’s a written promise, not a verbal one.
Roof Coating in Los Gatos
Roof Coating in Los Gatos is usually the smarter play for flat and low-slope roofs on older commercial buildings and some mid-century homes, especially where a full tear-off would mean opening a can of structural worms on a steep hillside lot. A typical roof coating in Los Gatos runs $2,800 to $7,200 depending on square footage, substrate condition, and whether we’re doing a silicone, acrylic, or elastomeric system. It restores waterproofing, adds reflectivity, and can buy five to ten years before a full replacement becomes unavoidable.
Coating on Flat and Low-Slope Roofs
Many Los Gatos homes near downtown, especially Spanish Colonial Revival and mid-century builds, have flat or low-slope sections over garages, porches, or additions. Those roofs take a beating from the fog-and-moisture corridor between the valley and the mountains. A coating seals hairline cracks and seams that would otherwise let water in during the wetter months. We inspect the substrate first, repair any failed areas, then apply the coating in clean, measured coats.
When to Coat Instead of Replace
If the underlying membrane is still sound and the decking isn’t soft, coating saves real money versus a tear-off. If the decking is compromised, coating over it just hides the problem. We’ll tell you which situation you have, in plain English, with a written price either way.
Free Roof Estimate in Los Gatos
A Free Roof Estimate in Los Gatos from Mercer means a real inspection, not a drive-by quote from the street. We walk the roof, check flashing, valleys, penetrations, and attic ventilation, and we look for the exact failure modes Los Gatos is known for: moss in the shaded valleys, debris from live oak and bay laurel, and signs of water intrusion around dormers and chimneys. The written estimate you get is the price. No vague allowances, no “we’ll figure it out later.”
What the Estimate Covers
We give you a line-by-line breakdown: materials, labor, disposal, permit fees, and any allowance we recommend for hidden conditions. For hillside re-roofs, we include a structural repair allowance in the contract up front, because we know what 1950s – 1970s ranch homes in VHFHSZ parcels look like under the old shake. That allowance is priced before we ever tear anything off.
Written Price, Approved in Writing
Nothing starts until you sign off on the written price. If the tear-off uncovers something nobody could have seen, you get a written change order with a firm number before we spend a dollar on materials. No running tabs. No end-of-job surprises. That’s a hard rule at Mercer.
Trusted Brands We Service in Los Gatos
We install and repair manufacturer-recognized systems from GAF, CertainTeed, and Owens Corning, and we’re experienced with IKO, Atlas, Tamko, and Boral as well. For Los Gatos hillside homes needing Class A fire-rated assemblies, we often recommend standing-seam metal or concrete tile; for downtown historic homes, we match the look with architectural shingles or specialty profiles. We keep common components and flashing materials stocked locally so a repair doesn’t wait on a warehouse three states away. You’ll know the brand and the exact product name before we order anything.
Common Roofing Company Problems We See in Los Gatos Homes
- Wood shake roofs in VHFHSZ parcels. Thousands of hillside homes in Los Gatos still carry original wood shake that is now code-violating in CAL FIRE Very High Fire Hazard Severity Zones. The insurance non-renewal letter is often the first time a homeowner learns their roof is no longer insurable, and the re-roof has to go straight to Class A compliance.
- Moss and debris in shaded valleys. Dense live oak, bay laurel, and redwood canopies throw debris onto roof valleys and around penetrations. The fog-and-moisture pattern up in the hills means that debris stays damp for months, accelerating rot and shortening effective roof life compared to flatland cities like Campbell or Santa Clara.
- Hidden decking and framing damage. Once we pull old shake or shingles off a 1960s hillside ranch, we often find dry-rotted fascia, notched rafters from old knob-and-tube wiring, and decking that should have been replaced before the last re-roof. Homeowners who didn’t budget for that get a nasty surprise. Our contracts price it in writing up front.
- Complex geometry on older downtown homes. Craftsman bungalows and Victorian cottages near downtown Los Gatos often have low-slope porches, multiple valleys, and decorative trim that requires careful flashing and drip edge work. A cookie-cutter crew rushes those details, and the leaks show up at wall intersections six months later.
Pricing for Roofing Company in Los Gatos, CA
Roof repair in Los Gatos typically runs $450 to $1,900 for targeted fixes like flashing, valley repair, or shingle replacement. A full roof replacement on a standard ranch or split-level runs $14,000 to $34,000 depending on size, pitch, material, and what we find under the old roof. Hillside tear-offs on VHFHSZ parcels with Class A assemblies like standing-seam metal or concrete tile usually land between $28,000 and $65,000. Roof coating on flat or low-slope sections runs $2,800 to $7,200. These are real Los Gatos market numbers, not national averages. Call (743) 200-8347 for a free estimate and a written price before anything starts.
We Also Serve Cities Near Los Gatos
Mercer Roofing works across the South Bay. If you’re in Saratoga, Campbell, Cupertino, or Santa Clara, the same Threshold Verified standard applies: background-checked technicians, written prices, and a live person on the phone. Read more about our work across the region on our Roofing Company page, or learn about local service specifics on our Roofing Company in Los Gatos page.
Serving Los Gatos, CA - Our Local Coverage Area
We’re based in the Los Gatos 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 Roofing Company in Los Gatos
Plan on a full tear-off to the decking, replacement of any rotted or damaged sheathing, upgraded underlayment, and a Class A fire-rated assembly that meets the VHFHSZ requirements in Los Gatos hills. We pull the permit, schedule inspections, and price the entire job in writing before work begins. Call (743) 200-8347 and we’ll walk you through it step by step.
Yes. For early-1900s Craftsman and Victorian homes near downtown, we match the original profile and color using architectural shingles from GAF, CertainTeed, or Owens Corning, and we pay close attention to the low-slope porches, multiple valleys, and decorative trim that define those roofs. We’ll show you material samples and product names before you commit to anything. Estimates are free at (743) 200-8347.
A square is 100 square feet of roof area, and it’s the unit every Los Gatos roofing bid uses. When one bid prices $350 per square and another prices $420, the difference usually comes down to material thickness, underlayment quality, disposal, and whether structural allowances are included. We quote in squares and in total dollars, with every line item spelled out. Call (743) 200-8347 for a written quote you can actually compare.
Yes, we address moss, lichen, and debris accumulation as part of the repair scope on any Los Gatos hillside home where live oak, bay laurel, and redwood canopies shade the roof. We clear valleys and penetrations, treat the affected areas, and recommend ventilation or trim work where it’ll help the roof dry out between fog cycles. A quick call to (743) 200-8347 gets you a written price.
We stop and show you exactly what we found, with photos if you want them. Then we price the structural repair, fire-rated sheathing, or electrical remediation as a written change order. You approve it in writing before we order materials or do any additional work. The price never changes without your signature. That’s how we avoid the surprise costs Los Gatos hillside re-roofs are known for. Call (743) 200-8347 to schedule your free estimate.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Los Gatos and the South Bay since 2000.






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