Metal roofing
Architectural shingles
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 Replacement Across Duarte
A full roof replacement in Duarte typically runs $9,500 to $22,000 depending on the size of the home, the pitch of the roof, and what our crew finds once the old shingles come off. That range reflects what we see across the 91008, 91009, and 91010 zip codes every season. We know how quickly a Duarte roof takes punishment from the Santa Ana winds funneling down the San Gabriel canyon mouths, and that local knowledge shapes every estimate we write. If you’re starting to research roof replacement, call us at (833) 589-7971 for a straight answer and a written line-item quote.
Why Hollywood Roofing Co Is Duarte’s Preferred Roof Replacement Company
Our crews work Duarte streets every week, from the mid-century ranches along Royal Oaks Drive to the tract homes off Mountain Avenue. That regular presence means we know what opening up a Duarte roof actually reveals, and it’s rarely just worn shingles. Roland Vega has built this company around a simple principle: show the homeowner what we found, explain what it means, and put the fix in writing before we spend a dollar of their money. Duarte homeowners respond to that level of transparency because it removes the anxiety from a five-figure decision.
We stock materials for the brands Duarte homeowners ask about most, so there’s no two-week wait for a delivery from a distant supplier. And when a winter storm tears through the foothills, we’re already here. Not driving in from across the county. If you’re weighing your options for Roof Replacement, our team will walk you through the full picture before you commit to anything.
Styles & brands we work with
Flat Roof Replacement in Duarte
Flat Roof Replacement on a Duarte home usually means addressing a low-slope section over a carport, patio cover, or a second-story addition, and it’s a specialty we handle without subcontracting. The job involves stripping the old membrane or rolled roofing, inspecting the decking beneath, replacing any soft or delaminated panels, and laying a modern modified bitumen or single-ply membrane with proper drainage slope. On Duarte’s older stock, we commonly find these flat sections were originally sheeted with plywood that’s now water-damaged at the seams, a direct result of decades of Southern California sun followed by concentrated winter rain.
Foothill Drainage Details
Homes in the 91008 and 91010 foothill neighborhoods sit below the Station Fire burn scar, and that changes how a flat roof must perform. The first big rain of each season pushes ash and fine debris down those canyon mouths, and flat sections catch more of it than pitched roofs ever will. We design for that reality: positive drainage, sealed penetrations, and edge flashing that can handle standing water longer than a valley-floor home would ever see.
Low-Slope Membrane Selection
Not every flat roof needs the most expensive membrane. We quote options from Tamko and Boral at the value end, step up to CertainTeed when the homeowner wants a longer service life, and explain the durability math for each. In Duarte, the UV exposure on a south-facing low-slope section is brutal, so we’re honest about which membranes will hold up and which ones will need another look in twelve years.
Roof Installation in Duarte
Roof Installation in Duarte is what most homeowners mean when they call us for a full replacement: tearing off the old roof down to the decking, repairing or replacing that decking where needed, and installing a new water-shedding system from the drip edge up. The work includes new underlayment, new flashing at every valley, penetration, and sidewall, and new shingles nailed to the manufacturer’s wind spec. That last point matters more in Duarte than most homeowners realize, because the Santa Ana gusts that whip through the San Gabriel canyon mouths will find every under-driven nail.
Steep Hillside Pitches
The custom homes in the Bradbury-adjacent foothills and along the upper reaches of 91008 often have steeper pitches than a typical valley ranch. That means more safety rigging, more time on the tear-off, and a different nailing pattern for wind uplift. We build those considerations into the estimate up front so the number you sign for is the number you pay.
Valley-Floor Tear-Offs
The tract homes on Duarte’s valley floor, many built in the 1960s and 70s, tend to have simpler rooflines but older decking. When we strip a first-replacement composition roof off one of these homes, we frequently find skip-sheathing with gaps and soft spots that wouldn’t pass inspection today. We photograph every soft panel, mark it on the plan, and get approval before adding a single sheet of plywood to the job.
Trusted Brands We Service in Duarte
We install materials from seven leading manufacturers, including GAF, CertainTeed, and Tamko, so the recommendation you get is matched to your Duarte home’s exposure, pitch, and budget, not to a supplier’s inventory. On a west-facing hillside roof in 91010, we might spec a CertainTeed architectural shingle with a stronger wind rating. On a valley-floor rental in 91009, a Tamko three-tab might be the honest answer. Because we stock parts and shingles locally for our Duarte customers, material delivery doesn’t stretch the timeline. You get seven brands to choose from. You get one honest recommendation.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Duarte Homes
- Santa Ana wind damage on shingle tabs. Winter gusts funneling down the canyon mouths above 91008 and 91010 regularly lift and crease shingle tabs. The fix isn’t just a stronger shingle, it’s a six-nail pattern and proper starter course, which we spec on every foothill project.
- Station Fire-era debris packed into gutters and low-slope sections. After the first big rain, we see valleys and flat sections buried in ash and fine sediment that’s been washing down off the burn scar for over fifteen years. Blocked drainage backs water up under the shingles and exposes failed flashing.
- Skip-sheathing and soft decking on older tract and ranch homes. When we open up a 1960s or 70s Duarte roof, the decking underneath is often spaced boards rather than solid plywood, and years of heat and moisture have left sections soft. It’s a structural line item that changes the quote, and we price it in writing before we proceed.
- Failed underlayment on low-slope rear sections. The classic Duarte ranch has a low-slope rear addition or patio roof where the original felt underlayment has dried, cracked, and stopped shedding water. Those sections need a full membrane replacement, not a patch job.
Pricing for Roof Replacement in Duarte, CA
For a standard Duarte roof replacement, expect the following line-item ranges on an average 1,800 to 2,400 square foot home. A full tear-off and re-roof with architectural shingles runs roughly $11,000 to $18,000. A low-slope or flat section adds $2,500 to $6,000 depending on its size and the membrane selected. Decking replacement, when needed, adds $2.50 to $4.50 per square foot of replaced panel. Homes in the foothill neighborhoods of 91008 and 91010 with steeper pitches run toward the upper end of every range. We write every estimate as a fixed line-item quote, and we don’t change the number unless we find something hidden and you approve the added scope in writing first. Call (833) 589-7971 for a free estimate on your Duarte roof.
We Also Serve Cities Near Duarte
Our crews work throughout the San Gabriel foothills and valley communities around Duarte. We regularly replace roofs in Bradbury, Monrovia, Baldwin Park, and Mayflower Village. If you’re in one of those neighboring cities and need the same level of local attention, call us at (833) 589-7971 and we’ll schedule a roof inspection at your convenience.
Serving Duarte, CA — Our Local Coverage Area
We’re based in the Duarte 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 Replacement in Duarte
A Duarte roof replacement quote changes when our crew finds hidden decking, framing, or waterproofing problems that weren’t visible from the surface. That’s common on the older ranch and tract homes here, where skip-sheathing, soft plywood, and failed underlayment hide beneath worn shingles. We handle it by photographing every finding, writing the added scope and price into the contract, and getting your written approval before we proceed. You never pay for a surprise you didn’t authorize. Call (833) 589-7971 for an estimate that accounts for what’s likely under your shingles.
They matter more than the shingle itself. The gusts funneling down the San Gabriel canyon mouths above Duarte regularly peak above 50 mph in the foothill neighborhoods, and those bursts lift shingle tabs and crease them in ways that slow valley-floor wind maps don’t capture. What protects the roof is the nailing pattern, the starter course, and the underlayment. We spec a six-nail pattern and a stronger-rated shingle, often GAF or CertainTeed, on every Duarte foothill replacement. The shingle brand matters less than the nailing specification, which is why we never treat a foothill roof like a flatland job.
We replace them as a separate, carefully scheduled part of the job, using a membrane system designed for the south-facing UV load and winter runoff that Duarte flat sections endure. Most of these sections are on carports, patio covers, or ranch-style rear additions. We start with a decking inspection, then quote a modified bitumen or single-ply membrane with proper drainage slope, and we don’t leave a flat section that sheds water into a valley or straight into a wall. Call (833) 589-7971 and we’ll take a look.
Compare the decking allowance, the underlayment specification, the nailing pattern, and the written policy for hidden findings, not just the bottom-line number. A bid that assumes no decking replacement will undercut ours until the crew opens the roof and finds the soft panels we told you to expect. Ask each contractor what happens when the decking is shot. If the answer is vague, that’s your answer. Our quotes include a written decking allowance and a signed change-order process that puts every added dollar in writing before work begins.
Clean it before the rainy season and replace any gutter sections pulling away from the fascia. Ash and fine sediment from the 2009 Station Fire burn scar above the foothill neighborhoods still wash down after every significant rain, and packed gutters back water up under the shingle edges. On Duarte homes below the canyon mouths, this debris load also buries the low-slope sections and valleys. During a full roof replacement, we clear the gutters, re-pitch them, and verify the drainage path before we put the new roof on.
Written by Roland Vega, Owner at Hollywood Roofing Co, serving Duarte since the company’s founding.