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 Whittier
Replacing a roof in Whittier usually runs $9,500 to $18,500 for a standard asphalt shingle tear-off and re-roof on a 1,200 – 1,800 sq ft home, and most jobs take 3 to 7 working days once materials land. If you’re in 90601, 90602, or anywhere else in Whittier, we handle the tear-off, decking check, underlayment, shingle install, flashing, and cleanup with one crew from start to finish. Seacrest Roofing has been working Whittier homes long enough to know what’s under your shingles before we even lift the first course. Call (855) 597-2817 for a free replacement estimate.
Key takeaways:
- A full Roof Replacement in Whittier typically falls between $9,500 and $18,500 depending on square footage, decking condition, and shingle line.
- Older uptown bungalows in 90601 and 90602 often need fascia and decking repairs once the old roof comes off.
- Seacrest installs GAF, CertainTeed, Owens Corning, and IKO, plus three other major brands, so you choose the material that fits your roof and budget.
- We’re based in Downey and run crews into Whittier weekly, including South Whittier, West Whittier-Los Nietos, and the hillside pockets near the Puente Hills.
Why Seacrest Roofing Is Whittier’s Preferred Roof Replacement Company
Whittier homeowners call us because we diagnose the roof first and recommend a material second. Most companies in the area carry one or two shingle lines and pitch whatever they stock. We carry seven: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That means when we tell you a CertainTeed Landmark fits your budget and HOA better than a GAF Timberline, it’s because we compared both on your actual roof, not because we had a truckload of one to move.
We’re not a franchise and we’re not a sales machine. Noel Chambers runs Seacrest from Downey, and our crews are in Whittier on a regular rotation, not making a one-off trip. Roof Replacement in Whittier is a big enough part of our work that we know the streets: Hadley, Painter, Greenleaf, Philadelphia. We know which blocks have the eucalyptus canopy over uptown bungalows and which Hillside lots catch the worst of the Santa Anas. That local familiarity saves you time when we’re quoting decking and flashing allowances.
Our Whittier customers tend to keep their homes for decades. They want the roof done once, correctly, with the paperwork to match. We give written line-item quotes, pull permits when required, and stand behind the workmanship. If you want to compare us against two other bids, we’ll help you read what you’re comparing.
Styles & brands we work with
Roof Replacement Contractor in Whittier
A Roof Replacement Contractor in Whittier handles more than shingle removal and re-nail. On the older streets just north of Whittier Blvd in 90601 and 90602, a full replacement often means addressing decking rot, failed flashing on the original low-slope porch roofs, and fascia boards that have been quietly softening under decades of eucalyptus litter. When we open up a 1930s or 1940s bungalow, we routinely find what the last roofer papered over.
A standard replacement in Whittier runs $9,500 to $18,500. That includes tear-off, haul-off, underlayment, shingle install, flashing, and standard ridge venting. If decking sections need replacement, that is priced per sheet at the time we expose the framing, and we have it listed in the contract as an allowance so you never get an unapproved surprise. If you’re in 90605 or 90606 on the east side, the homes are more commonly mid-century tract ranches: simpler roof lines, fewer surprises, typically on the lower end of that range.
Full Tear-Off and Re-Deck
We cut, tear, and haul everything down to the decking. On a 1920s California bungalow with original wood shingles, that means finding what the shake has been hiding. We replace rot-damaged OSB or plank decking, re-nail loose boards, and confirm the framing is sound before underlayment goes down. No capping over failed wood. No warranty on top of rot.
New Construction and Additions
For Whittier homeowners adding a room or building new on a hillside lot near the Puente Hills, we roof on fresh decking and open framing. We coordinate with your builder or GC, match the shingle line to the main house, and keep the schedule tied to framing and rough-in. New construction roofs in Whittier tend to price slightly higher per square foot than a simple tear-off because of steeper pitches and wind exposure on the hill side.
Asphalt Shingle Roof Replacement in Whittier
Asphalt Shingle Roof Replacement in Whittier is the most common roof job we do, and the one where material choice matters most. Whittier’s hot inland summers bake shingles, and Santa Ana winds that funnel through the Puente Hills will find any under-nailed shingle and lift it. A proper asphalt replacement here is about more than unloading bundles: it’s about correct nailing pattern, starter strip, valley flashing, and drip edge set for wind and UV, not snow load. Expect $9,500 to $16,500 for a typical single-story 1,200 – 1,600 sq ft home, with architectural shingles running slightly higher than standard 3-tab.
We carry architectural lines from GAF, CertainTeed, Owens Corning, and IKO, so we can match warranty tier to budget. An architectural shingle costs more per square but typically carries a higher wind rating and a longer manufacturer-backed lifespan. That matters on the western-facing slopes catching afternoon heat, and on the hillside lots off Colima Road that get the full force of a wind event.
Architectural vs. 3-Tab
3-tab is the budget choice and it’s fine on simple mid-century ranches. Architectural shingles cost roughly $1,500 to $3,000 more on a typical Whittier roof but carry wind ratings up to 130 mph with the right fastening and underlayment. For a home in 90603 or 90608 exposed to the hill wind, that upgrade often pays for itself the first big Santa Ana season.
Decking and Dry Rot
When the tear-off exposes the decking, Whittier’s older homes tell the truth. We’ll photo-document what’s under the old shingles, show you any rot or failed boards, and price replacement per sheet before we proceed. You’ll know the full scope the day we open it, not when the invoice lands.
Trusted Brands We Service in Whittier
Seacrest Roofing installs and services shingle systems from GAF in Whittier, CertainTeed, Owens Corning, and IKO, plus Atlas, Tamko, and Boral. That’s seven major manufacturers, which means when you need a roof in Whittier, you’re choosing based on what your home actually calls for, not what a single-line dealer wants to move. We keep common accessory stock on our Downey yard and trucks for fast turnaround in Whittier, and we can register your roof for enhanced manufacturer warranty coverage through any of the lines we carry. Your roof, your material choice, and the warranty that backs it.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Whittier Homes
- Eucalyptus canopy damage on uptown bungalows. The streets north of Whittier Blvd in 90601 and 90602 have mature eucalyptus and citrus right over the roofs. The oily leaf litter grinds granules off asphalt shingles and piles up in valleys, holding moisture and clogging drainage. We see shingles that look 25 years old at year 12 because they’ve been sanded down by the tree above.
- Hidden dry-rot in fascia and porch roof framing. The original low-slope porch roofs over the stoops of 1920s – 1950s bungalows collect water at the drip edge. Pull that edge back and the fascia board underneath is often soft enough to push a thumb through. This rot is invisible from the ground and from the shingle surface.
- Wind-lifted shingles from Santa Anas through the Puente Hills. Hillside pockets and east-west running streets get the full force when the Santa Anas blow. Shingles nailed with too few fasteners or set on brittle old felt lift in sheets. We use wind-rated nailing patterns specifically because Whittier’s exposure is real.
- Failed flashing at the transition from main roof to low-slope porch. Where a pitched main roof dumps water onto a near-flat porch roof, the flashing takes a beating. If the original metal is still there, it’s usually cracked or corroded. We replace that transition with proper step and apron flashing, and run ice-and-water shield in the valley.
Pricing for Roof Replacement in Whittier, CA
Here’s what a full roof replacement in Whittier typically costs, based on the homes we’ve roofed across 90601 through 90608:
- 1,000 – 1,400 sq ft rancher or bungalow, architectural shingles: $9,500 – $14,000
- 1,500 – 2,000 sq ft home, architectural shingles: $12,000 – $17,500
- 2,000 – 2,600 sq ft home or steep-pitch hillside lot: $15,000 – $22,000
- Decking replacement (per 4×8 sheet, as needed): $75 – $110 per sheet installed
- Low-slope porch roof re-roof (torch-down or self-adhered, per 100 sq ft): $800 – $1,400
The single biggest swing factor on older Whittier homes is decking and fascia condition. A 1930s uptown bungalow with original wood shingles will frequently need 6 to 12 sheets of decking replaced and significant fascia repair. That can add $1,500 to $3,000 over the base shingle price. We write decking allowances into the contract so the number doesn’t move without your written approval. Call (855) 597-2817 for a free, itemized replacement estimate in Whittier.
We Also Serve Cities Near Whittier
Beyond Whittier proper, our crews regularly cover South Whittier, West Whittier-Los Nietos, East La Mirada, and Santa Fe Springs. Much of that work is the same housing stock and climate: mid-century tract homes and older bungalows eating the same sun and wind. If you’re on the edge of Whittier or one block into La Mirada, the estimate is still free and the crew still knows the terrain.
Serving Whittier, CA — Our Local Coverage Area
We’re based in the Whittier 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 Whittier
The two things we most often find on pre-1960 uptown Whittier homes are decking rot along the eaves and dry-rot in the fascia boards where the drip edge has trapped moisture for decades. Sometimes the rafter tails underneath are soft too. We price these as a per-sheet or per-linear-foot allowance written into your contract before we start, so the cost is set ahead of time and only applied if the damage is actually there. You’ll see photos of what we found before we spend a dollar of the allowance. Call (855) 597-2817 if you want a walkthrough of what your roof is likely hiding.
Yes. Eucalyptus drops oily, acidic leaf litter year-round, and on the older streets north of Whittier Blvd, that litter accumulates in valleys and against the drip edge. It holds moisture, grinds granules off the shingle surface as it slides, and promotes moss and fungal growth in the shade. We routinely see roofs in 90601 and 90602 that would have lasted 25 years fail at 15, purely from canopy exposure. A roof replacement with proper valley protection and a plan for keeping the canopy trimmed extends the life well past what the previous roof got.
We set every architectural shingle with the manufacturer’s wind-rated nailing pattern: six nails per shingle when the exposure calls for it, never the minimum four, on homes in Whittier’s hillside and east-west street corridors. We also use a full-coverage synthetic underlayment and a properly set starter strip along the eaves and rakes, because that’s where the wind gets its first bite. If your specific roof has a known lift pattern from past wind events, we’ll walk it with you before installation and adjust the spec.
It can. When we pull a re-roof permit in Whittier, the current code governs the work we do: underlayment type, attic ventilation if we’re replacing the decking, and any accessibility requirements that apply. On a straight shingle swap with no decking changes, upgrades are minimal. On a deeper job where we’re into the decking and framing, the city may ask for additional venting or a specific nailing schedule. We pull the permit, we manage the inspection, and we tell you upfront what the permit is going to demand. No surprises from the city because we’ve done this enough times across 90601 through 90608.
Line them up by scope, not by bottom line. Look at the shingle brand and exact product line. Look at what the tear-off includes: how many layers they’re removing, whether haul-off and dump fees are quoted, and whether underlayment is synthetic or felt. Look at decking: is it included per sheet or is it “as needed” with no published price? If the bid is from a company that only carries one brand, ask yourself if they’re recommending that shingle because it’s right or because it’s what they have. Our bids in Whittier are itemized with all of that broken out. Call (855) 597-2817 for a free estimate and we’ll send one over.
Call Seacrest Roofing at (855) 597-2817 to schedule a free roof replacement estimate in Whittier. We’ll inspect what’s on your roof now, tell you honestly what it needs, and show you material options from seven shingle brands so you choose the right one for your home and your budget.
Written by Noel Chambers, Owner at Seacrest Roofing, serving Whittier and the surrounding communities.