Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
After
Before
AfterFast, Reliable Roof Installation Across Yosemite Lakes
A new roof in Yosemite Lakes is a bigger decision than most people realize until they start looking into it. You’re not just picking a shingle color. You’re choosing a Class A fire-rated assembly that your insurance carrier will want documented, on a home that was likely built in the 1970s or 1980s, on a foothill lot where the oak and pine canopy never stops dropping debris. A full replacement on a typical manufactured home or cabin here runs $9,500 to $16,000. On a larger custom home, figure $16,000 to $28,000. The spread comes down to decking condition, roof pitch, access, and whether the old roof has to come off completely. Most of the time in Yosemite Lakes, it does. Call (743) 200-8347 and we’ll walk you through the quote.
Why Mercer Roofing Is Yosemite Lakes’s Preferred Roof Installation Company
We work differently than the out-of-area crews that drive up from the Valley. Before anyone steps onto your property, you get the technician’s name and photo sent to you. When they arrive, they’re in a clean, marked uniform and they badge in with a photo ID at the door. That’s the Threshold Verified standard, and every Mercer Roofing location is held to it contractually. It matters here, where homeowners are spread across wooded foothill lots and an unfamiliar truck in the driveway is a legitimate concern.
Grant Whitlock leads our team, and he put the 365-Day Done Right Promise in writing for exactly the problems Yosemite Lakes roofs throw at us. If the install isn’t right within a year, we make it right. Every repair carries a written guarantee with a free second visit if it fails. And every project starts with a written price before a single nail is driven. No verbal estimates. No surprises on the invoice.
Our Roof Installation team knows what a foothill tear-off looks like: snow-damaged decking, non-permitted additions with mismatched flashing, and valleys packed with pine needles. We don’t have to learn your roof’s problems on your dime. We’ve seen them on the neighbors’ roofs already.
Key Takeaways
- A full roof installation in Yosemite Lakes typically runs $9,500 to $28,000 depending on home size, decking condition, and access.
- Every roof here must be a documented Class A assembly for CAL FIRE’s Very High Fire Hazard Severity Zone and your insurance renewal.
- We send every technician’s name and photo before the visit, and they badge in at the door. That’s Threshold Verified.
- Written price before work starts. Written guarantee on every job. 365-Day Done Right Promise in writing.
Roof Flashing Installation in Yosemite Lakes
Roof Flashing Installation in Yosemite Lakes is the difference between a roof that sheds water for 30 years and one that rots from the inside out in five. Flashing is the metal work that seals the joints where your roof meets a chimney, a skylight, a vent pipe, or a wall. On the homes here, those joints are usually the first failure point. Forty-year-old step flashing on a chimney chase has been through decades of freeze-thaw cycles and summer heat over 100°F. The metal fatigues, the sealant cracks, and water finds its way in.
For a typical flashing job on a Yosemite Lakes home, expect $450 to $1,400 depending on how many penetrations need work and whether we’re replacing the flashing or rebuilding the surrounding decking. Chimney flashing replacement alone usually runs $650 to $1,100. Valley metal replacement runs $400 to $900. If we’re installing a full roof, flashing is always part of the job.
Chimney and Chase Flashing
Manufactured homes in Yosemite Lakes Park often have framed chimney chases rather than masonry chimneys. The step flashing on these chases is notoriously undersized. We replace it with heavier-gauge metal and proper counter-flashing so wind-driven rain during winter storms can’t push water sideways into the chase.
Penetration and Skylight Flashing
Boots around vent pipes dry out and split in this climate. We see it on nearly every tear-off. Replacing them before the new roof goes on costs a fraction of what a leak repair costs two years later. If your home has a skylight, we’ll inspect the curb flashing and the seal between the frame and the roof deck while we’re up there.
TPO Roofing Installation in Yosemite Lakes
TPO Roofing Installation in Yosemite Lakes is most common on flat or low-slope sections like carports, porches, additions, and some manufactured-home roof overs. TPO is a heat-welded single-ply membrane that reflects sunlight better than the old torch-down or rolled asphalt roofs it replaces. On a foothill summer day when the deck hits 150°F, a white TPO surface burns 50 to 70 degrees cooler.
A TPO installation on a typical residential flat section runs $6 to $9 per square foot installed, so a 500-square-foot carport roof lands around $3,000 to $4,500. Full low-slope roof replacements run $8,000 to $14,000 depending on insulation, decking, and edge metal counts. TPO is also a Class A-rated membrane when installed over the right substrate, which matters for the insurance file we mentioned.
Cold Climate and TPO Seams
TPO seams are heat-welded, not glued. That matters here because winter lows cycle through freezing at night and warming by day. Glued seams fail under that stress. Welded seams don’t. It’s one of the reasons we recommend TPO over older membranes for flat sections in this ZIP.
Decking and Drainage on Low-Slope Roofs
Flat roofs on older Yosemite Lakes additions often don’t drain properly because the original decking wasn’t pitched. We correct the pitch during the install and add proper edge metal so water doesn’t pond against the fascia. Ponding water is a fast track to membrane failure, and it’s a common finding on the non-permitted additions this community has accumulated over the years.
Trusted Brands We Service in Yosemite Lakes
We install GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, and we stock local parts for Yosemite Lakes customers so small repairs don’t wait on a warehouse shipment. GAF Timberline HDZ architectural shingles are the most common choice for the homes here because they carry a Class A fire rating and their wind warranty covers the gusts that whip through the foothill canyons. For homeowners who want metal, we work with Atlas and Tamko standing-seam and stone-coated steel profiles that fit both the fire code and the look of a mountain community. We’re glad to pull spec sheets for whichever brand you choose and include them in your insurance documentation package.
Common Roof Installation Problems We See in Yosemite Lakes Homes
- Failed 3-tab over compromised decking. The original roofs on 1970s and 1980s manufactured homes were often low-grade 3-tab composition shingles over 1×6 decking. Decades of snow melt and freeze-thaw have softened that decking around penetrations, so the old roof can’t be overlaid. It has to come off and the damaged decking gets sistered or replaced before the new roof goes on.
- Non-permitted additions with mismatched flashing. A lot of these homes grew over the years with room additions, carports, and porches that never went through permit review. The rooflines don’t always tie together cleanly, and the flashing at the transitions is often wrong or missing. That leaves open penetrations where wind-driven embers can get into the attic during red-flag days.
- Tree-canopy debris loading in valleys and behind chimneys. The oak and pine canopy here is beautiful, but it doesn’t stop dropping needles. Valleys fill up, water backs up, and the debris wicks under the starter strip and rots the fascia and soffit. We clear valleys as part of every install and document the clean roof for your carrier.
- Insurance-driven tear-offs without documentation. Carriers writing policies in this ZIP code increasingly require photographic proof of Class A materials and clean valleys before renewal. An out-of-area roofer who doesn’t know this will leave you holding a new roof with no paperwork to show the underwriter. We photograph the whole install and hand you the file.
Pricing for Roof Installation in Yosemite Lakes, CA
Here’s what we tell people before we ever schedule a site visit. A tear-off and re-roof on a manufactured home or modest cabin in Yosemite Lakes typically runs $9,500 to $16,000. A larger custom home with a steeper pitch runs $16,000 to $28,000. The three biggest variables are decking condition, roof complexity, and access. If your lot is tight and we can’t stage a dump trailer next to the home, we hand-carry debris to a street-level trailer and that adds labor hours to the quote. You’ll see every line item before you sign anything. We don’t do change orders. Call (743) 200-8347 to schedule a free estimate and we’ll price your exact roof in writing.
We Also Serve Cities Near Yosemite Lakes
We regularly work with homeowners across the broader foothill and urban regions, including Los Angeles, San Diego, San Jose, and San Francisco. Our Roof Installation in Yosemite Lakes coverage area is the core of what we do, and we bring the same Threshold Verified standards to every job no matter where the driveway is.
Serving Yosemite Lakes, CA - Our Local Coverage Area
We’re based in the Yosemite Lakes 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 Yosemite Lakes
Yes. Yosemite Lakes sits inside CAL FIRE’s Very High Fire Hazard Severity Zone, which means Chapter 7A of the California Building Code applies to new roof coverings here. That requires a Class A fire-rated assembly, including the underlayment and edge details, not just the shingles. If you’re replacing a roof, we install to Class A standards and document the assembly with spec sheets and photographs for your insurance carrier. Call (743) 200-8347 and we’ll explain what your specific home needs.
Because access determines a big part of the labor cost on a foothill lot. Some Yosemite Lakes properties are flat and open. Others are steep, wooded, and tight, with no room to park a dump trailer next to the house. If we can’t get a trailer within 30 feet of the eave, we hand-carry debris to the street, and that adds hours. It also affects where we stage materials, how we protect landscaping, and whether we need a dumpster permit on the road shoulder. A driveway photo tells us most of what we need to know. Send one with your call and we’ll get you a faster rough estimate.
We tarp the work zone, run magnetic sweepers along the property line at the end of every day, and keep a ground crew on the perimeter during the tear-off. On tight lots, which is most of what we work on in Yosemite Lakes, we stage a trailer close to the house and carry debris straight into it rather than tossing it off the roof. Nails are the biggest complaint in any re-roof, and we run a final sweep twice before we call the job done. If a neighbor finds a stray nail after we leave, call us and we’ll send someone back out.
Almost never, and we’ll tell you that straight. The original 3-tab roofs on 1970s and 1980s manufactured homes in Yosemite Lakes were often laid over 1×6 decking that’s now softened by decades of freeze-thaw cycling. Overlaying traps moisture, hides decking rot, and leaves the old failed roof still in place underneath. It also complicates the Class A documentation your insurance carrier wants. The right install here is a full tear-off, decking repair where needed, and a fresh roof assembly built to current fire code. We’ll show you exactly what we find when the old roof comes off.
Yes. We photograph the tear-off, the decking, the underlayment, the edge metal, and the finished valleys, then package the product spec sheets and a written summary for your carrier. Wildfire-zone renewals in this ZIP increasingly demand that proof, and a roof installed without it can hold up your renewal or trigger a non-renewal notice. We’ve done this enough times to know what the underwriters ask for. We hand you the file when the job is done, and we keep a copy if your agent needs it re-sent.
Talk To Us Before You Commit To Anything
A roof installation in Yosemite Lakes is a five-figure decision and the wrong contractor can make it a six-figure mistake. We’d rather have you spend an hour on the phone with us first. You’ll get a straight answer on what your roof needs, what it costs, and what the insurance documentation will look like. Then we’ll send someone out to verify. Every technician who comes to your door is background-checked, identity-verified, and badged under the Threshold Standard. Their name and photo arrive by text before they do. Call (743) 200-8347 to schedule your free estimate. Written price before any work starts. That’s the only way we do it.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Yosemite Lakes with roof installation, repair, and replacement.