Metal roofing
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Installation Across El Monte
Roof installation in El Monte means working with a housing stock that most cities don’t have: thousands of 1950s and 60s tract homes built with low-slope or nearly flat roofs. That changes everything about how a roof gets installed here. Ponding water, UV-baked membranes, and decking that’s been soaking for decades are the norm, not the exception. Crestview Roofing Co Pasadena sends crews who know exactly what they’ll find when they tear off an old El Monte roof, and we put every price in writing before the first shingle comes off. Call (626) 389-1956 to schedule your free estimate.
Why Crestview Roofing Co Pasadena Is El Monte’s Preferred Roof Installation Company
Dylan Pace founded Crestview Roofing in 2000, and the company has been part of the Relay Home Co. family ever since. What that means for El Monte homeowners is a guarantee most roofers won’t put on paper: a written price before any work starts, before-and-after photo documentation, a live trackable arrival time, and a digital invoice sent by text. We call it The Relay Standard, and it’s the backbone of every roof installation we do in El Monte.
Homeowners in El Monte call us because we understand what happens to flat and low-slope roofs after 60 or 70 years of Southern California sun. We’ve torn off enough old torch-down to know that what’s underneath is usually worse than what’s on top. We plan for that. We budget for it. And we tell you about it before we start, not after.
Every technician who shows up at your El Monte home is background-checked and in uniform. You’ll know their name and their arrival time before they pull into your driveway. And if you call our office at any hour, a live person answers. No voicemail loops, no phone tag.
Styles & brands we work with
Shingle Roof in El Monte
A shingle roof installation in El Monte is the most common full replacement we do on the city’s older single-family homes. Most were built between the 1940s and 1970s, and many still carry their original composition shingles or a patchwork of repairs done over the years. When we install architectural shingles from Owens Corning or CertainTeed, we start with a full tear-off so we can see the decking underneath and fix what’s failed before the new roof goes on.
Shingle roof installation in El Monte typically runs $8,500 to $16,500 depending on square footage, roof pitch, and whether the existing decking needs repair. A simple tear-off and re-shingle on a 1,200-square-foot home usually lands around $9,000 to $12,000.
What We Find Under Old Shingles
On homes with attached garage conversions or additions, we often find irregular rooflines where drainage was never properly addressed. The shingles over these transitions fail first, and the decking beneath them is usually the first to rot.
Decking and Ventilation
El Monte’s hot, dry summers bake shingle roofs, and without proper attic ventilation, the decking warps and the shingles curl. We inspect the whole roof deck before quoting, and we’ll tell you in writing if any sheets need replacement.
Standing Seam Metal Roof in El Monte
A standing seam metal roof installation in El Monte is a smart upgrade for the city’s low-slope and flat roofs, where traditional shingles don’t shed water efficiently. Standing seam panels run vertically from ridge to eave, with raised seams that lock together, so water moves off the roof quickly instead of pooling. For El Monte roofs that have been dealing with ponding water for decades, this is often the best long-term fix.
Standing seam metal roof installation in El Monte typically runs $18,000 to $34,000. The material costs more than shingles, but for flat and low-slope homes it often outlasts every other option we install. Most El Monte homeowners choose a 24-gauge steel panel in a light color to reflect as much UV as possible.
Reflectivity and El Monte Heat
El Monte’s UV exposure is intense, and a painted metal roof with a high solar reflectance index keeps attics measurably cooler. Homeowners notice the difference in their cooling bills by August.
When Metal Makes Sense
If your existing flat roof has been patched repeatedly, or if you’re tired of coating maintenance every few years, a standing seam system is a one-and-done replacement. We build it over new tapered insulation so water never sits on the surface again.
Trusted Brands We Service in El Monte
We install and repair roofs using manufacturer-backed materials from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For El Monte’s flat and low-slope homes, we regularly work with Owens Corning tapered insulation systems and CertainTeed shingle products, and we keep common components stocked locally so a roof installation doesn’t stall waiting on materials. You’ll never have to wonder what brand is going on your roof. We’ll tell you, and we’ll back it with the manufacturer’s warranty plus our own 365-Day Done Right Promise.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Installation Problems We See in El Monte Homes
- Failed torch-down and rolled roofing. Original membranes from the 1960s crack under El Monte’s UV exposure, letting water pool at seams and seep through to the decking below. By the time homeowners see water stains on the ceiling, the decking is usually already rotting.
- Ponding water on sagging low-slope roofs. Driving through neighborhoods off Peck Road and Garvey Avenue, you can spot the original ‘El Monte flat’ roofs with a subtle sag in the middle. Without new tapered insulation, any new membrane installed over those low spots will fail prematurely.
- Rotted decking discovered after tear-off. Once we open up a 1950s or 60s roof, we often find that water has been soaking the 2×4 or plywood decking around plumbing vents and chimney penetrations for years. Undersized framing that passed code in 1962 doesn’t pass today, and the repair has to happen before new roofing goes on.
- Irregular rooflines from garage conversions and additions. El Monte has a lot of attached garages that were converted into living space decades ago, creating valleys and transitions that original roofs never anticipated. These spots collect water, collect debris, and fail first.
Pricing for Roof Installation in El Monte, CA
A standard shingle roof installation in El Monte runs $8,500 to $16,500. A standing seam metal roof runs $18,000 to $34,000. If your home needs a tear-off of an old flat roof with new tapered insulation and a modified bitumen membrane, expect $14,000 to $24,000. What moves the number is decking repair. We can’t see through shingles or old torch-down, so we write allowances into every contract for potential decking replacement, and we show you photos of any damage before we proceed. No pricing surprises. Ever. Call (626) 389-1956 for a free written estimate, and we’ll walk you through exactly what your roof will cost.
We Also Serve Cities Near El Monte
Our Roof Installation team regularly works on homes throughout the San Gabriel Valley. Beyond El Monte, we serve South El Monte, Arcadia, Monrovia, and San Marino, where the housing stock shifts from flat 1950s roofs to steeper shingle pitches. Each city has its own roofing patterns, and our crews adjust accordingly. If you’re in any of these areas, you’ll get the same written pricing, the same live arrival tracking, and the same 365-Day Done Right Promise.
Serving El Monte, CA - Our Local Coverage Area
We’re based in the El Monte 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 El Monte
Yes, a full roof installation in El Monte requires a city permit, and once the old roofing is removed, the city inspects the decking and framing before new materials go on. If the decking is rotted or the framing is undersized, those repairs must happen before the roof can be closed up. We pull the permits ourselves, schedule the inspections, and build the cost of any likely structural work into your contract before we start.
We install tapered insulation systems that create a deliberate slope toward drains or scuppers, so water moves off the roof instead of sitting on it. On a 1962 ranch off Rio Hondo Parkway, our crew tore off a sagging torch-down roof and found original 2×4 decking with dry rot around every plumbing penetration. We replaced the damaged decking, added code-required bracing, installed a tapered Owens Corning insulation system with a 60-mil modified bitumen membrane, and verified the drainage before the first winter rain.
For low-slope and flat roofs, we recommend a high-UV-rated modified bitumen membrane or a standing seam metal system with a reflective coating, both of which hold up far better under El Monte’s sun than traditional composition shingles. For pitched roofs, we recommend architectural shingles from Owens Corning or CertainTeed with a strong UV warranty. We’ll recommend materials based on your roof’s pitch and drainage, not on what’s easiest for us to install.
We can’t see the decking until the old roofing is removed, so we do something most roofers won’t: we write a realistic allowance for decking repair into your contract, and we photograph every piece of damaged decking we find before replacing it. You’ll see exactly what we found and exactly what it costs to fix before we touch it. No surprises, no change orders you didn’t approve.
Yes. El Monte has a high number of attached garage conversions and room additions that created valleys, pitch changes, and unusual transitions that the original roof never anticipated. We re-frame those transitions, install proper flashing, and make sure water moves off the roof instead of collecting where the old roof and the new addition meet.
Written by Dylan Pace, Owner at Crestview Roofing Co Pasadena, serving El Monte with written pricing, photo documentation, and a 365-Day Done Right Promise on every job.
Ready to get a real number for your El Monte roof installation? Call (626) 389-1956 to schedule your free estimate. A live person answers 24/7, and you’ll get a written price before any work begins.