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 Placentia
Roof replacement in Placentia runs $14,000 to $28,000 for a typical single-story ranch, and most full tear-offs take four to seven working days once materials land. We work across 92870 and 92871 regularly, from the tracts north of Chapman Avenue down to the neighborhoods near Alta Vista Country Club and along Yorba Linda Boulevard. Our crews know Placentia’s housing stock well enough to tell you before we tear off whether we’re likely to find a second layer hiding underneath. Call (866) 942-4187 to schedule a free roof assessment and a written line-item estimate.
Key Takeaways
- Full roof replacement in Placentia typically runs $14,000 – $28,000 depending on material grade, decking condition, and slope complexity.
- Homes built in the 1950s – 60s often show split wear: sun-facing slopes fail while shaded slopes still carry original wood-shake.
- A re-roof over existing lightweight concrete tile or old shingles is possible in some cases, but Placentia’s aging decking often makes full tear-off the smarter, code-compliant call.
- We carry seven major brands (GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, Boral), so the recommendation you get is based on your roof, not our margin.
- Every estimate is free, written, and priced so you won’t get a surprise change order mid-project.
Styles & brands we work with






Why Orange County Roofing Co Is Placentia’s Preferred Roof Replacement Company
Kurt Hensley built Orange County Roofing Co on a simple idea: a roofing contractor should be able to recommend the right material without a brand agenda. Because we install GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, we’re not married to any one shingle line. When a Placentia homeowner asks us which brand to use, we talk about wind ratings, warranty tier, and how each product holds up under inland Orange County sun, not which supplier gives us the best rebate that quarter.
Our reputation in Placentia comes from repeat work in the older tracts. Homeowners along Madison Avenue, Valencia Avenue, and near the Placentia Civic Center call us because we’ve handled enough 1950s and 1960s tear-offs to know what a bid written off a single visible slope gets wrong. When we quote a roof, our estimator walks every slope, checks the valleys, and probes the decking where flashing seams have been baking for sixty summers. That’s the difference between an estimate that holds and one that changes the moment the shingles come off.
We’re also set up to serve Placentia without running you around. Our crews stage out of our Corona shop, and we schedule Placentia jobs with an eye to the weather windows that matter for inland North County. Rain rarely interrupts a tear-off here between April and October, so we book accordingly. You get a committed start date, a daily crew, and a foreman who answers his phone.
Asphalt Shingle Roof Replacement in Placentia
Asphalt shingle roof replacement is the most common job we do across Placentia’s 92870 and 92871 zip codes, and it’s the right call for most single-story ranches and two-story tracts that were either built with original wood-shake or re-roofed once with an early asphalt product. A typical shingle replacement on a Placentia roof runs $14,000 to $22,000 for architectural shingles, which is what the vast majority of our Placentia homeowners choose. On a 1,600-square-foot ranch with straightforward slopes, expect the lower end. On a two-story with steep pitches and valleys, plan for the higher end.
The job starts with a full tear-off to bare decking. On older Placentia homes, that step usually uncovers what we suspected: decking that’s delaminated at the valleys, gaps around the flashing, and plywood that’s too thin by today’s code. We don’t nail new shingles over failing decking, ever. The permitting process is straightforward, and we pull the permit, pass the inspection, and close it out before you make your final payment.
Architectural Shingles for Inland Sun Exposure
Placentia’s summers run 90 to 100 degrees routinely, and the sun on south and west slopes is unforgiving. We lean toward architectural shingles for these homes because their laminated construction handles thermal movement better than three-tab, and they carry higher wind ratings, which matters when Santa Ana winds gust through the area. GAF, CertainTeed, and Owens Corning architectural lines all give you a thicker, textured appearance that suits Placentia’s ranch-style streetscapes.
Decking Replacement Before Shingle Install
If your home is approaching the 60-year mark, budget for decking replacement as part of the shingle job. We write an allowance into the contract so there’s no surprise, and any additional decking we find gets photographed, priced, and approved in writing before we touch it. Re-sheathing the whole roof on a Placentia ranch typically adds $2,500 to $5,000 depending on square footage and whether we’re matching existing rafter spacing or reinforcing for tile.
New Roof Installation in Placentia
New roof installation in Placentia covers two very different things: a full replacement on an existing home, and a first roof on new construction or a major addition. For existing homes, new roof installation in Placentia typically runs $16,000 to $28,000 when we’re going from bare decking up, including new underlayment, drip edge, flashing, and a full shingle or tile system. For new construction, the number depends entirely on your plans and the roof’s complexity, but a mid-size single-story addition roof with architectural shingles usually lands between $8,000 and $14,000.
What matters most on a Placentia new roof install is getting the underlayment and flashing right before any shingle goes down. Sixty years of inland sun has shown us exactly where Placentia roofs fail: at the valleys, at the pipe and vent penetrations, and along the transition where a shaded north slope meets a sun-beaten south slope. We lay ice and water shield through every valley and around every penetration, and we set drip edge to code before the starters go on.
Full Tear-Off and Clean Install
We never install a new roof over old shingles in Placentia. The housing stock is too old, and the decking is too often compromised. A clean tear-off lets us inspect every sheet of plywood, replace what’s delaminated, and give you a roof that carries the full manufacturer’s warranty. It also gives your inspector a clear view of what we did, and that keeps the permit file clean.
New Construction Roofing
For additions and new builds in Placentia, we coordinate with your general contractor so the roof gets framed, sheathed, dried in, and finished on schedule. We carry the same seven brands on new construction as we do on replacements, so you’re never forced into whatever shingle the builder’s default supplier pushes. If your plans call for a specific wind rating or fire rating, we match the product and nail pattern to the spec.
Trusted Brands We Service in Placentia
We’re authorized to install products from seven major manufacturers, and we stock full material lists locally for our Placentia jobs. That means faster turnaround when you choose Atlas, Tamko, Boral, or GAF for your re-roof, and faster resolution if a warranty claim ever comes up. Because we install competing lines side by side, our recommendations stay clean. We’ll show you the price difference between an Atlas Pinnacle and a GAF Timberline on your exact roof, then let you decide which warranty tier and look fits your budget. It’s your roof. You should get the brand you want, not the brand we’re incentivized to sell.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Placentia Homes
- Split-wear between sun-facing and shaded slopes. South and west slopes near the Placentia Civic Center and along Chapman Avenue often show shingles that are curled, bleached, and granule-poor, while the north slope still looks serviceable. A bid written off the good-looking side alone misses the end-of-life roof half a house away.
- Original wood-shake hiding under a second roof. Many Placentia homes from the 1950s and 1960s were re-roofed once with lightweight concrete tile or early 30-year shingles, and that old wood-shake layer is still underneath. Full tear-off often means disposing of two roofs instead of one, and the decking underneath has been holding moisture for decades.
- Baked-out underlayment and dried flashing at valleys. Intense inland UV and 90 to 100-degree summers degrade underlayment faster than the shingles above it, and metal flashing at valleys and around vent stacks expands and contracts until the sealant opens. The leaks show up in January, but the damage is done in July.
- Decking compromised at valleys and along eaves. Where flashing has failed, water follows the valley line down and wets the plywood. By the time a re-roof happens, we’re frequently replacing decking in those bands. That’s why our Placentia estimates always carry a decking allowance.
Pricing for Roof Replacement in Placentia, CA
On a Placentia ranch-style home, expect to pay $14,000 to $22,000 for a full architectural shingle replacement with new underlayment and new flashing. On a larger two-story or a home with steep pitches and multiple valleys, the same job runs $20,000 to $28,000. If the home still carries lightweight concrete tile and you want to switch back to architectural shingles, we’re usually at the higher end of that range because of the extra tear-off labor and disposal weight. Decking replacement is the biggest variable in Placentia. We write it into the quote as a per-sheet allowance, and we only charge for what we actually replace. If you’d like a fixed number rather than a range, call (866) 942-4187, and we’ll walk your roof and give you a written, line-item estimate. The estimate is free, whether you book us or not.
We Also Serve Cities Near Placentia
Our crews work throughout North Orange County, including Roof Replacement projects in Brea, Anaheim, Fullerton, and Yorba Linda. If you’re in Placentia and need a full replacement, a repair, or a standalone inspection, call us at (866) 942-4187. Read more about our service area on our Roof Replacement in Placentia page.
Serving Placentia, CA — Our Local Coverage Area
We’re based in the Placentia 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 Placentia
Two things drive quote gaps in Placentia more than anywhere else we work: slope-specific wear and a second roof layer hiding underneath. If your neighbor’s bidder only walked the north slope or quoted over the existing lightweight tile, they priced a job that won’t match the tear-off reality. Our estimators walk every slope and probe the decking at valleys before we write a number, so our quote reflects the roof you actually have, not the one visible from the street. Call (866) 942-4187 for an estimate that accounts for the split-wear difference.
Very often, yes. Homes in that era were built with 1/2-inch or thinner plywood that has now spent sixty years under Placentia’s inland sun. The valleys, eaves, and any penetration points usually show delamination when we strip the old roof, and building code won’t let us nail a new roof over it. On a ranch-style home off Chapman Avenue near the Civic Center, we recently tore off the sun-cooked south and west slopes and found the shaded north slope still holding original wood-shake over failing underlayment, plus soft decking at the valleys where flashing seams had opened. We replaced the decking, laid ice and water shield through the valleys, and finished with GAF architectural shingles nailed to the manufacturer’s wind-rated pattern. Budget for some decking replacement; we’ll only charge for the sheets we actually replace.
Technically, in some cases, yes, but on Placentia’s 50-plus-year-old tract homes we almost never recommend it. You’re adding weight to a roof structure that was never designed for two roofs, and you’re sealing in decking we can’t see. A full tear-off lets us inspect and replace the decking, gives your new shingles a clean nail base, and lets your inspection pass without questions about what’s underneath. If you’re trying to keep costs down, we’ll show you the tear-off cost difference and talk honestly about which way protects the house better.
You should expect your choice of brands, not whatever happens to be on our truck. We carry GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, so we can put a 110-mph or 130-mph wind-rated product on your roof depending on exposure and where you are in Placentia. Architectural shingles dominate in Placentia because they handle the inland heat better than three-tab, and they look right on the ranch-style homes that define the city. We’ll pull the manufacturer’s spec sheet and show you the exact wind rating, fire rating, and warranty tier before you commit.
We inspect and bid slope by slope. On a typical Placentia home, the south and west slopes near the Placentia Civic Center and along Chapman Avenue are cooked years past the north slope, and the north slope may still have original wood-shake under whatever was re-roofed on top of it. Our estimator walks every slope, marks the wear pattern, and writes the quote to match what’s actually there, not what looks fine from the street. That means no mid-job surprise when the crew opens up the shaded side.
Schedule Your Roof Replacement Estimate in Placentia
If your roof is a 1950s or 1960s original or a re-roof that’s now at end-of-life, don’t wait until a winter storm finds the leaks your summer sun already created. Call Orange County Roofing Co at (866) 942-4187 and ask for a free roof assessment in Placentia. Kurt Hensley and our crew will walk every slope, check the valleys, and give you a written, line-item estimate that holds. Seven brands, honest recommendations, and no change orders unless you approve them first. We’d rather earn your re-roof by doing the inspection right than by pricing it low and surprising you later.
Written by Kurt Hensley, Owner at Orange County Roofing Co, serving Placentia and North Orange County.