Architectural shingles
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 Replacement Across Downey
Roof replacement in Downey runs $8,500 to $22,000 depending on what’s actually under the shingles you can see, and most of that range comes down to one thing: how many old roofs are stacked on your 1950s framing. Here’s the straight answer. In the older tracts off Downey Avenue and around the 90241 and 90242 ZIP codes, a visible “one-layer” replacement frequently turns into a full tear-off of two or three hidden layers once the crew opens it up. That’s the defining Downey job, and it’s why we inspect before we quote. If you’re looking at a stain on the ceiling or granule loss in the gutter, call (833) 589-7850 and we’ll tell you what your roof actually needs, repair, replacement, or nothing yet.
Why Bedrock Roof Repair Is Downey’s Preferred Roof Replacement Company
We’ve worked enough homes in Downey to know the pattern before the first shingle comes off. The post-war tract housing along Firestone Boulevard and the streets branching off Paramount Boulevard was built fast, framed with lumber that’s now sixty to eighty years old, and many of those roofs have been re-covered twice since the Eisenhower administration. That’s not a guess, it’s what we see on most tear-offs in the 90240 and 90241 core.
Our name says the sequence, and we mean it. Bedrock Roof Repair doesn’t start with a replacement pitch. We start with an inspection. If your roof can be repaired for a fraction of replacement cost and give you another five to eight years, that’s the recommendation. If the decking is gone or the layers are too deep, we’ll show you the photos and the numbers before you sign anything. Alan Cofield built this company on that honesty, because Downey homeowners have been burned by contractors who always seem to find a reason to tear everything off.
We’re based in Anaheim, but Downey isn’t a drive across town, it’s a twenty-minute run up the 5 or the 710 depending on traffic, and we work these neighborhoods weekly. That local time matters when you’re staring at a leak and a tarp. One call gets you the same team from inspection to final nail, no handoffs, no surprises.
Styles & brands we work with
Reroofing in Downey
Reroofing in Downey means laying a new roof system over an existing one, and in this city it’s rarely that simple. The visible top layer on a 1950s home off Stewart and Gray Road might be architectural shingles from a 1990s job, but underneath sits the original built-up roof or wood shake, and sometimes a middle layer of three-tab from the 1970s. A homeowner who asks for “a reroof” without knowing the layer count is asking for a surprise. We count layers during inspection, check the deck from the attic side when access allows, and only then tell you whether a re-cover makes sense or a full tear-off does. In Downey, a straightforward reroof with architectural shingles typically runs $6,500 to $11,000 on a standard three-bedroom tract home. Once a second layer is involved or the deck needs repair, the honest price moves to the $11,000 to $18,000 range, because that’s a different job.
When a Re-Cover Still Makes Sense
California building code allows a re-cover only when there’s a single layer of existing roofing underneath and the deck is sound. On some newer infill homes in Downey, built in the 1990s or later, that’s exactly the case. The original shingles are worn but the deck is clean, the flashing is intact, and a second layer is code-compliant. That’s a re-cover, not a tear-off, and it’s the cheaper, correct call.
Why Layer Count Changes Everything
Every layer adds weight and hides damage. A 1950s roof with two re-covers is carrying three roof systems, and the original 1×6 Douglas fir decking was never sized for that load. We’ve pulled three layers off homes near Wilderness Park and found the original deck so spongy it needed full replacement before any new shingle could go down. That’s why our quotes for older Downey homes always include a written allowance for deck repair, priced per sheet, so the contract handles the surprise in writing instead of in a change-order fight.
Flat Roof Replacement in Downey
Flat roof replacement in Downey is a different animal from the pitched shingle work, and it’s everywhere in this city. The original low-slope built-up roofs on the 1940s and 1950s ranch homes in the 90239 and 90242 neighborhoods were gravel-over-tar systems designed for a fifty-year service life, and most of them passed that mark two decades ago. When they fail, they fail in the valleys and around the plumbing penetrations, where ponding water finds every seam. A flat roof replacement on a Downey home runs $9,000 to $20,000 depending on size, the condition of the existing insulation, and whether the old built-up system needs full removal or can be re-covered with a modern membrane. We don’t hide behind a single manufacturer’s product line. The choice between a Boral or CertainTeed membrane system depends on your roof’s slope, drainage, and foot traffic, not on which supplier gives us a better margin.
Working With What the House Gives Us
Some Downey flat roofs have good original decking and just need a new waterproofing layer. Others, especially the ones re-roofed in the 1980s with low-grade materials, need the insulation pulled, the deck inspected, and the drainage corrected before anything new goes on. Standing water after a rain is a design problem, not just a material problem, and if we don’t fix the slope or add a tapered system, the new roof fails at the same low spots the old one did.
Flat Roofs and the Santa Ana Season
The wind events that push through the San Gabriel Valley in the fall and winter test flat roof edges and flashing harder than any rainstorm. We set fasteners and lap seams to the wind-uplift spec for this basin, not the minimum from the manufacturer. It costs a little more in labor on the front end and it’s the difference between a roof that holds and a corner that lifts in the first big blow.
Trusted Brands We Service in Downey
We install products from GAF, CertainTeed, and Owens Corning, and we stock common materials locally so a Downey job doesn’t stall waiting on a warehouse run. The brand decision follows the roof, not the other way around. An architectural shingle like the GAF Timberline line performs differently on a 4:12 pitch in the 90241 tract than it does on a lower slope, and CertainTeed’s flat membrane systems handle ponding differently than a built-up re-cover. You’ll get one honest recommendation from the seven leading brands we can source, because we’re not locked into any single manufacturer’s line. That’s the point of the Bedrock name: the recommendation is calibrated to your roof and budget, not to a supplier relationship.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Downey Homes
- Hidden second and third layers over the original 1950s roof. In the tracts off Downey Avenue it’s common to find an architectural shingle over a three-tab over a built-up roof, all on the original deck. A quote that skips a layer count is a quote that changes.
- Soft decking at valleys and eaves. The original 1×6 decking on post-war Downey homes wasn’t always kiln-dried, and decades of small leaks leave the valleys spongy. We mark deck replacement as a per-sheet allowance in the contract before the first shingle comes up.
- Rusted flashing collars at plumbing penetrations. The stove vents and waste stacks on 1950s homes still have their original metal collars in many cases. They rust through at the base, leak into the attic, and get replaced during every tear-off, not patched.
- Santa Ana uplift on edges the original roof was never built to resist. The 1950s builds used fewer fasteners and thinner drip edge than modern code requires. We reset drip edge and fascia to current nailing patterns so the roof doesn’t lift at the eaves in the fall wind season.
Pricing for Roof Replacement in Downey, CA
A full tear-off and Roof Replacement on a standard 1,200 to 1,800 square foot Downey tract home runs $11,000 to $22,000. A simple re-cover over a single layer, when the deck is clean, runs $6,500 to $11,000. Flat roof work on the original low-slope homes runs $9,000 to $20,000. What moves the number in Downey more than anything is what’s under the visible roof: layer count, deck condition, and whether the original flashing and fascia can be reused. We write those as allowances into the contract so the price you sign for is the price, and any surprise found once the roof is open gets priced and approved in writing before we touch it. Call (833) 589-7850 and we’ll walk the roof with you, open up a representative section if needed, and give you a line-item quote that holds.
We Also Serve Cities Near Downey
Our crews work the whole southeast LA County basin. If you’re in Bell Gardens, Santa Fe Springs, Paramount, or Pico Rivera, the same inspection-first, repair-before-replacement process applies. We know the housing stock in these neighboring cities shares the same post-war DNA, so the layer-count problem in Downey shows up there too. One call covers it.
Serving Downey, CA — Our Local Coverage Area
We’re based in the Downey 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 Downey
Because the visible roof isn’t the whole roof. On a 1950s Downey home, there are often two or three layers over the original built-up or shake roof, and the deck underneath is frequently soft or rotted at the valleys. A quote that doesn’t account for a hidden layer count or deck repair is a quote that will change. We avoid that by inspecting first, counting layers, and writing per-sheet allowances for deck repair and underlayment into the contract before work starts. Call (833) 589-7850 for an exact quote, estimates are free.
Put them side by side on the same scope, and ask both contractors what happens when the crew finds a third layer or rotted decking. A bid that’s $4,000 cheaper but has no written allowance for deck repair will catch up fast once the roof is open. Look for line items on layer count, deck replacement, drip edge and fascia, and whether the underlayment spec matches the shingle manufacturer’s requirement. If a bid doesn’t mention what’s under the visible roof, that’s the gap. Call (833) 589-7850 and we’ll help you read your other estimate before you sign either.
Only if the slope meets the manufacturer’s minimum, and most original Downey built-up roofs don’t. Shingles need a minimum pitch, typically 2:12 or 3:12 depending on the product, and the low-slope 1950s roofs were designed for membrane systems, not shingles. If your roof qualifies, we’ll tell you. If it doesn’t, the correct replacement is a modern low-slope membrane like CertainTeed or Boral, and we’ll spec it that way rather than force shingles onto a pitch that will leak. Call (833) 589-7850 and we’ll check your slope and give you the honest answer.
Three things at minimum: a confirmed layer count from the inspection, a per-sheet price for deck replacement if any is needed, and a written allowance for underlayment, ice and water shield, and flashing. On a Downey home with an unknown history under the visible shingles, those three line items are the difference between a contract that holds and one that explodes. We include all three in writing on every quote for older homes. Call (833) 589-7850 for a contract you can take to a building inspector without flinching.
Yes, and they affect the way we install, not just the materials we choose. The inland basin heat bakes shingles through thermal cycling, which is why we install to the manufacturer’s high-temp adhesive spec and why we don’t shortcut the nailing pattern. The Santa Ana wind season tests edges and flashing, so we set drip edge, fascia, and fasteners to the wind-uplift numbers for this basin rather than the code minimum. A Downey roof that’s installed to national minimums fails at the edges first. Call (833) 589-7850 to schedule your free estimate and we’ll explain what your specific roof needs for this climate.
Written by Alan Cofield, Owner at Bedrock Roof Repair, serving Downey and southeast LA County with inspection, repair, and replacement done by the same crew from first look to final nail.