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
CertainTeed Construction in Mount Hermon, CA | San Mateo Construction
We provide independent General Contractor – Mount Hermon services for CertainTeed roofing and siding across Mount Hermon, from full Landmark roof replacements to targeted flashing repairs under redwood canopy. We’re not a manufacturer-authorized dealer, which means we can recommend the right CertainTeed product for your specific lot without being pushed toward one product line. What makes our CertainTeed work different here is simple: we plan every tear-off and installation around protected redwoods, root zones, and shade that never dries out. Call (855) 901-7266 for a free estimate.
Why Mount Hermon Residents Choose Us for CertainTeed Service
Most roofing crews look at a Mount Hermon lot and see problems. Steep grades. Low canopy. Roots threading under footings. We see the same thing but we’ve spent years learning how to work with it. Noel Carrington, our owner, grew up learning framing and footings hands-on in San Mateo County, and he brings that same unhurried, material-specific approach to every CertainTeed job we run in these hills. We know how CertainTeed shingles behave when a north-facing slope stays shaded eleven months a year. We know what WinterGuard underlayment does when redwood needles pile up in valley flashings. And we know the county rules about protected trees well enough to plan a tear-off that doesn’t end in a stop-work order.
We use CertainTeed OEM shingles, underlayments, and accessories for color match and warranty compliance. But we also specify quality aftermarket stainless fasteners and WUI-compliant vents when Mount Hermon conditions demand them. That’s the difference between reading a CertainTeed spec sheet and actually installing CertainTeed products under redwood canopy. Tell me what you actually need, and we’ll figure out the right way to build it.
Styles & brands we work with







Common CertainTeed Construction Problems We Solve in Mount Hermon
- Granule loss on shaded Landmark roofs. Persistent year-round damp under redwood canopy keeps CertainTeed shingle decks wet, which accelerates granule shedding even on Landmark and Presidential Solaris roofs that would last decades longer on a sun-exposed San Mateo County lot. We often find north-facing slopes in Mount Hermon losing granules years before the rest of the roof.
- WeatherBoards siding wicking moisture at end joints. Year-round damp from redwood shade causes CertainTeed WeatherBoards siding to pull moisture at bottom edges and end joints, leading to paint peeling and substrate swelling. If the original install didn’t include rain screens and stainless fasteners, we see the failure within a few wet seasons.
- WinterGuard underlayment failing at valley flashings. Heavy winter rain overwhelms many of the original redwood gutter systems on older Mount Hermon cabins. When debris dams form at valleys and penetrations, CertainTeed WinterGuard underlayment gets tested harder than it ever would in a flat, open neighborhood. We fix the flashing and the drainage, not just the shingle.
- Root intrusion lifting shingles and flashing. Root systems from protected coast redwoods can lift or crack CertainTeed shingles and flashing where branches overhang the roof. These leak points aren’t visible from the ground. We inspect from the roof plane itself, which is where the problem actually lives.
- Storm-damaged roofs after winter rain events. When a strong Pacific storm pushes through the Santa Cruz Mountains, we get calls from Mount Hermon homeowners dealing with lifted shingles, torn flashing, and water getting past compromised underlayment. We assess whether a targeted repair or full replacement makes sense. Sometimes a flashing fix is all the roof needs.
CertainTeed Service in Mount Hermon: What Local Conditions Mean for Your Equipment
Mount Hermon’s historic redwood-retreat status means many properties fall under county tree-protection rules that designate coast redwoods as protected. That changes how a CertainTeed roof gets installed. You can’t just drop a dumpster next to the house and start stripping shingles. On a sloped forest lot, the tear-off and staging have to be planned around root-protection zones and canopy that never dries out. That often means hand-carrying CertainTeed shingle bundles from the road to the roof, using flexible flashing details where branches overhang the ridgeline, and phasing the work so the deck isn’t exposed to rain overnight. This isn’t how roofing goes in Scotts Valley or Pasatiempo, where the lots flatten out and the canopy opens up, or how CertainTeed in Lompico typically gets installed. Here, the trees run the schedule. Contractors who don’t understand that end up with damaged roots, county violations, and a roof that leaks because the flashing was bent around a branch instead of designed for it.
On a redwood-shaded cabin off Conference Drive in Mount Hermon, we replaced a failing CertainTeed Landmark roof where the north-facing slope had lost granules and the WinterGuard underlayment was compromised at a valley flashing. We hand-carried bundles to avoid root damage, installed new Landmark shingles with stainless fasteners, and added ember-resistant vents to meet WUI standards. The homeowner kept their protected trees and got a dry, fire-safe roof. That’s the Mount Hermon version of a straightforward job.
CertainTeed Models & Products We Service in Mount Hermon
We work with the CertainTeed product lines that actually hold up in this climate when installed correctly. That includes CertainTeed Landmark shingles, the most common architectural shingle we install on Mount Hermon cabins and hillside homes. We also service and install CertainTeed Presidential Solaris shingles for larger roofs that need a heavier profile, CertainTeed WeatherBoards siding for exterior replacements, and CertainTeed WinterGuard waterproofing underlayment at valleys, penetrations, and eaves. We use OEM CertainTeed materials for color match and warranty compliance, but we’re not restricted to one supplier’s accessory line. When a Mount Hermon roof needs stainless fasteners, ember-resistant vents, or rain-screen detailing, we specify the right aftermarket part and explain why. We keep common CertainTeed colors and underlayment in local inventory so we can start faster on Mount Hermon service calls without waiting on a distributor truck from over the hill.
For broader CertainTeed product questions, see our CertainTeed sales & service page.
Standing Seam Metal Roof and CertainTeed Roof Options
Some Mount Hermon homeowners ask us about standing seam metal roofs instead of shingles. The fire-resistance argument is real, especially in the wildland-urban interface, and a properly detailed standing seam roof handles heavy rain and leaf litter better than any shingle system. We install standing seam metal roofs on Mount Hermon homes where the roof pitch and tree canopy allow it. We also recommend CertainTeed Landmark shingles for homeowners who want a proven shingle system with ember-resistant venting and correct underlayment. The right answer depends on your roof’s exposure, your budget, and what the county will approve on your lot.
See the difference
Before
After
Before
After
Before
AfterCertainTeed Service Pricing in Mount Hermon
Here’s what CertainTeed construction work costs in the Mount Hermon market. These are the numbers we walk through before any contract gets signed:
| Service | Price Range |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Roof Repair | $400 – $1,800 |
| Standing Seam Metal Roof | $15,000 – $40,000 |
What drives the cost in Mount Hermon specifically is access. If we’re hand-carrying bundles up a steep grade and working around protected root zones, that labor shows up in the estimate. A flat-lot roof in San Mateo can be stripped and re-shingled in half the labor hours of a redwood-shaded hillside cabin here. Our free estimate includes a site walk, a material list, and a written line-item quote so you can see exactly where the money goes. Call (855) 901-7266 to schedule one.
Serving Mount Hermon, CA — Our Local Coverage Area
We’re based in the Mount Hermon area and know this community well, and we also provide Ben Lomond CertainTeed service. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – CertainTeed Construction in Mount Hermon
Yes. We plan tear-off and staging around root-protection zones, hand-carry materials when needed, and use flexible flashing details where branches overhang the roof. We’ve done it on Conference Drive and other shaded lots throughout Mount Hermon without disturbing protected redwoods. The work takes longer, but it can be done correctly and within county rules. Call (855) 901-7266 and we’ll walk your lot before quoting anything.
CertainTeed Landmark shingles paired with ember-resistant vents and properly installed metal drip edges is our standard recommendation for WUI zones in Mount Hermon. Standing seam metal roofing is an even stronger fire-resistant option if your budget supports it and your lot’s tree clearance allows clean installation. The underlayment matters as much as the shingle; we always specify the right CertainTeed WinterGuard details at valleys and eaves.
Shaded redwood canopy means WeatherBoards siding never fully dries after rain or fog. End joints and bottom edges wick moisture, paint peels, and the substrate swells. We install WeatherBoards with rain-screen detailing and stainless fasteners to keep the siding off the wet zone. If your existing CertainTeed siding is failing, the fix may be re-detailing rather than replacing every board.
Yes. When a storm tears shingles loose or water gets past underlayment, we respond to Mount Hermon service calls as quickly as the roads allow. We do an immediate tarp or temporary patch if needed, then schedule the permanent CertainTeed repair. Call (855) 901-7266 as soon as you see water or missing shingles.
Yes. Standing seam metal roofs meet the fire-resistance requirements for WUI areas and can be installed around protected redwoods when the roof pitch and access allow. We handle the county submittal and work with you on the material profile. Pricing for a standing seam roof in Mount Hermon typically runs $15,000 to $40,000 depending on roof size and access difficulty. Call (855) 901-7266 for a free estimate and we’ll give you a hard number.
Service Areas Near Mount Hermon
We run CertainTeed service across the San Lorenzo Valley and the surrounding Santa Cruz Mountains. If you’re in Mount Hermon service area, we’re already working your roads. We also cover CertainTeed service in Scotts Valley and CertainTeed service in Pasatiempo, plus nearby mountain communities where redwood canopy and steep grades are the norm.
Book Your CertainTeed Service in Mount Hermon Today
If your CertainTeed roof or siding needs attention, call (855) 901-7266. We’ll schedule a free estimate, walk the site, and give you a written quote that accounts for your trees, your slope, and your actual needs. No pressure, no manufacturer pitch. Just a straight answer on what the job takes.
Written by Noel Carrington, Owner at San Mateo Construction, serving Mount Hermon and the San Lorenzo Valley, including CertainTeed service in Felton.