Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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AfterFast, Reliable Roof Installation Across Morgan Hill
A full roof installation in Morgan Hill typically runs $14,000 to $32,000 depending on material, pitch, and whether the home sits in a Cal Fire Very High Fire Hazard Severity Zone. Most jobs take 3 to 7 days once permits clear. At Mercer Roofing, we’ve worked the Madrone, Connemara, and downtown Morgan Hill neighborhoods long enough to know that what’s under the tile matters as much as the tile itself. Call (743) 200-8347 for a written quote before any work begins.
Why Mercer Roofing Is Morgan Hill’s Preferred Roof Installation Company
Morgan Hill homeowners call us because we send a technician’s name and photo before anyone rings the doorbell. That technician arrives in a clean, marked uniform, presents a photo ID badge at the door, and has already passed a background check and identity verification under the Threshold Verified standard. For parents home with young kids or older homeowners who want proof of who’s at the door, that single detail changes the whole experience.
Our crews know the Morgan Hill housing stock. We’ve roofed Mediterranean-style tract homes in Connemara built between 1988 and 2008, mid-century ranch houses near downtown from the 1940s and 50s, and hillside properties on both the Diablo Range and Santa Cruz Mountains flanks. We know where the wind hits hardest and which subdivisions are now hitting the 25 to 30 year mark on original underlayment. Founded in 2000 and part of the Threshold Group family, every Morgan Hill job starts with a written price. No work begins without it. Every installation is backed by our 365-Day Done Right Promise: if it’s not right within a year, we make it right.
Roof Flashing Installation in Morgan Hill
Roof flashing installation in Morgan Hill is the difference between a roof that sheds water and one that quietly rots from the inside. Flashing is the metal material, usually galvanized steel or aluminum, that seals the joints where the roof meets a chimney, skylight, vent pipe, or wall. In Morgan Hill’s summer heat, 95 to 105 degrees is common, and that cooks flashing sealant faster than homeowners expect. When flashing fails, water follows the joint straight into the attic.
A flashing installation or repair in Morgan Hill typically runs $400 to $1,800 depending on how many penetrations need work and whether we’re replacing step flashing, valley flashing, or a full chimney saddle. If the flashing failure has already rotted surrounding decking, the scope grows. We price that before we touch it.
Where Flashing Fails First on Morgan Hill Homes
On the concrete tile roofs across Madrone and the eastern foothills, we see rusted pipe jack flashing and cracked chimney counter-flashing most often. The tile can look fine for another decade while the flashing underneath has already opened a path for winter rain.
The Written Price Before the First Nail
Every flashing job gets a written, line-item price. If our crew opens the roof and finds rotted decking or a failed boot around a vent, we stop, show you what we found, and get written approval before adding anything to the invoice. No change orders without your signature.
TPO Roofing Installation in Morgan Hill
TPO roofing installation in Morgan Hill is a growing share of our work on flat and low-slope sections, especially on mid-century homes near downtown and the ranches that have been expanded over the years. TPO, or thermoplastic polyolefin, is a single-ply white membrane that reflects heat, which matters in the Coyote Valley corridor where summer temps routinely climb past 95 degrees.
A TPO installation on a Morgan Hill flat roof typically runs $8 to $14 per square foot installed, though a small detached garage or patio cover will land on the lower end and a fully adhered system with insulation replacement lands higher. TPO welds at the seams, so a good install means a monolithic sheet that shrugs off ponding water better than older torch-down systems.
Finding the Flat-Roof Leak Before It Finds Your Living Room
Flat and low-slope roofs hide leaks differently than pitched tile roofs. Water can travel sideways along the decking, so the stain on the ceiling might be ten feet from the actual breach in the membrane. Our crew traces the water path back to the source before quoting the fix.
The Class A Angle on Low-Slope Sections
When a Morgan Hill hillside home needs a full re-roof and any section is low-slope, the Cal Fire VHFHSZ Class A review applies there too. That means the TPO section has to meet the same assembly standards as the tile. We handle both scopes under one permit and one written price.
Trusted Brands We Service in Morgan Hill
We install and service GAF, CertainTeed, and Owens Corning shingle systems, which covers most of what Morgan Hill’s mid-century inventory has on the roof today. For concrete tile re-roofs in subdivisions like Connemara, we work with tile profiles that match the Mediterranean look those homes were designed around. Because we schedule Morgan Hill work locally, parts and materials arrive on time, and we don’t leave a bare roof waiting for a truck from across the Bay. Every installation carries a written guarantee on the workmanship for 365 days.
Common Roof Installation Problems We See in Morgan Hill Homes
- Concrete tile that looks fine but is done underneath. Homes built in the 1990s and early 2000s across Madrone and Connemara are now at the age where the original 30-lb felt has fully degraded. The tile sits there looking solid while the waterproofing layer underneath is gone. First winter rain finds the gap.
- Diablo wind damage on exposed ridges. Seasonal dry offshore winds from the east unseat concrete tiles on ridge lines and upper slopes. Homeowners often don’t notice the shifted tile until water has already soaked the underlayment.
- Flashing failures from summer heat cycling. Morgan Hill’s inland temperatures put real stress on sealant and metal at chimneys and valleys. What works in coastal Santa Clara County degrades faster here.
- Class A code surprises on hillside re-roofs. If the home sits in a Cal Fire Very High Fire Hazard Severity Zone on the Diablo Range or Santa Cruz Mountains flanks, a re-roof permit triggers a full assembly review. Decking, underlayment, and tile all have to meet Class A fire ratings.
Pricing for Roof Installation in Morgan Hill, CA
Here’s what we tell Morgan Hill homeowners before quoting: a standard asphalt shingle re-roof on a mid-century downtown home starts around $14,000 and can reach $24,000 with decking replacement. A concrete tile roof on a 1990s Mediterranean-style tract home in Connemara runs $22,000 to $32,000, and that’s before any Class A assembly upgrades if the permit triggers a VHFHSZ review. TPO on flat sections lands between $8 and $14 per square foot. Flashing work, as covered above, runs $400 to $1,800. We write every estimate as a line-item quote. No work starts until you’ve seen the numbers and signed off. Call (743) 200-8347 for a free, written estimate.
We Also Serve Cities Near Morgan Hill
Mercer Roofing handles full Roof Installation work across southern Santa Clara County. Beyond Morgan Hill, our crews regularly take calls from San Martin, Gilroy, Los Gatos, and Campbell. If you’re in one of those towns and want the same written-price, badge-at-the-door standard, Morgan Hill dispatch can route a crew your way.
Serving Morgan Hill, CA - Our Local Coverage Area
We’re based in the Morgan Hill 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 Roof Installation in Morgan Hill
A tile swap quote often assumes the decking and underlayment are fine and that no code review applies. On Morgan Hill’s hillside streets on the Diablo Range and Santa Cruz Mountains flanks, pulling a permit frequently triggers a Cal Fire VHFHSZ Class A review, which requires the entire assembly, decking, underlayment, and tile, to meet current fire ratings. That’s a legitimate added scope, not a padding of the bill. Call (743) 200-8347 and we’ll walk you through what your specific parcel triggers before you sign anything.
The tile is doing its job visually, but the 30-lb felt underneath has likely degraded after 25 to 30 years of summer heat cycling. Water gets past the felt, runs along the decking, and shows up as a ceiling stain feet away from the actual breach. This is the most common call we get from Connemara and Madrone homeowners. We trace the leak path, not the stain.
We stop, document what we found, and bring you a written price for the added scope before touching it. On a Connemara concrete-tile roof off the eastern foothills, we stripped what looked like sound tile and found the felt fully degraded underneath, plus cracked fascia and rusty flashing at the penetrations. Because the permit dropped us into a VHFHSZ Class A review, we upgraded the decking and underlayment, reset the drip edge, and priced the extra framing only after the homeowner signed off in writing. That’s our standard on every Morgan Hill job.
Put them side by side and look for what’s missing: Does one quote include underlayment replacement, or does it assume the existing felt is fine? Does it address flashing at every penetration? Does it mention the permit and any VHFHSZ Class A review? A lower bid that skips decking or underlayment isn’t cheaper, it’s just deferred. We write every line item so you can compare apples to apples. Estimates are free.
A Class A fire-rated assembly starts with the right decking, a fire-resistant underlayment, and a Class A rated roof covering. Concrete tile and certain asphalt shingle systems both qualify. The right choice for your Morgan Hill home depends on the existing slope, the condition of the framing, and whether you want to stay with the Mediterranean tile profile that matches the neighborhood. We’ll spec the system to pass inspection the first time.
Call Mercer Roofing for Your Morgan Hill Roof Installation
Every Morgan Hill installation starts the same way: a written price, a technician whose name and photo you know before they arrive, and a photo ID badge at the door. That’s the Threshold Standard, and it’s been how we’ve worked since 2000. Grant Whitlock and the Mercer Roofing team serve Morgan Hill homes from the Coyote Valley corridor up into the hillsides. Call (743) 200-8347 to schedule your free, written estimate.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Morgan Hill since the company’s founding in 2000 under the Threshold Group family of home-service companies.