Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roofers in Whittier, CA
Roofers in Whittier, CA work with housing stock and geological conditions you won’t find in neighboring cities. The combination of pre-1990 seismic damage from the Whittier Fault, Santa Ana wind exposure through the Puente Hills corridor, and original clay tile on aging skip-sheathing means inspections here need to go deeper than surface-level shingle checks. At Mercer Roofing, we send our technician’s name and photo before every visit, badge in with photo ID, and put every price in writing before work starts. Call (743) 200-8347 to schedule your free estimate.
Why Whittier Homes Are Different
Whittier sits directly atop the Whittier Fault, and the 1987 Whittier Narrows earthquake left thousands of homes with seismically-stressed roof-to-wall connections that received cosmetic fixes at best. We still find cracked chimney crowns and displaced flashing hidden under newer material on homes from Friendly Hills to the historic districts near Hadley Street. No neighboring city carries this same fault-line legacy.
The housing stock skews heavily toward 1920s – 1950s Craftsman bungalows and Spanish Colonial Revival homes, many with original or first-generation clay and concrete tile over skip-sheathing or early plywood decking that’s now past its service life. In the hillside neighborhoods along the Puente Hills in northeast Whittier, irregular lot grades and limited crane access add complexity that flatland-oriented crews from surrounding cities aren’t equipped to handle.
Climate matters too. Whittier’s inland position in the eastern San Gabriel Valley runs hotter than coastal LA, accelerating UV degradation of composition shingles. Santa Ana wind events funnel through the Puente Hills corridor with enough force to regularly lift ridge caps and crack tile mortar on north- and east-facing exposures. Roofers working above Colima Road know that skipping the foam adhesive bead under clay ridge caps is a shortcut that works in calmer coastal zip codes but fails predictably here within a few years.
Our Main Whittier Services
Most Whittier homeowners call us for one of three needs: stopping an active leak or wind damage, replacing an aging roof that’s outlived its decking, or full roofing services that coordinate repairs, maintenance, and eventual replacement. Each service has its own Whittier page with detailed pricing and local conditions.
Roof Repair in Whittier
Whittier repairs often involve more than missing shingles. We regularly find seismic-shifted flashing at chimney saddles, wind-loosened ridge caps in the hillside tracts, and cracked mortar beds that let water run straight to the underlayment. Every repair includes our written 365-Day Done Right Promise: if it’s not right, we make it right, and a free second visit if the repair fails. Roof Repair in Whittier covers typical costs and what we check first on Whittier’s older homes.

Roofing Company in Whittier
As a full-service roofing company in Whittier, we handle everything from scheduled maintenance on tile roofs to emergency tarping after Santa Ana wind events. Our technicians are background-checked, identity-verified, and Threshold Verified under the standards that govern every Mercer location. Dispatch and scheduling are coordinated from our Los Angeles office, with crews serving Whittier locally. Roofing Company in Whittier explains our full scope and how we handle multi-phase projects on hillside properties.

Roof Installation in Whittier
New roof installation in Whittier requires planning for wind uplift, seismic bracing, and often the removal of multiple material layers over original skip-sheathing. We install GAF, CertainTeed, Owens Corning, Atlas, Tamko, and Boral products, with manufacturer-recognized installation practices. Every installation begins with a written price, and no work starts until you approve it. Roof Installation in Whittier breaks down material options and what hillside access means for your timeline.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Whittier
We install and repair using manufacturer-recognized shingle brands including GAF, CertainTeed, Owens Corning, Atlas, Tamko, and Boral. Common ridge caps, underlayment, and fasteners for Whittier’s tile and composition roofs are stocked locally, so most repairs don’t wait on parts. Our brands page lists full warranty details by product line.
Pricing for Roofers in Whittier, CA
| Service | Typical range in Whittier |
|---|---|
| Minor shingle repair (up to 10 sq ft) | $180 – $340 |
| Tile replacement (per square, clay/concrete) | $450 – $850 |
| Flashing repair (chimney or wall) | $320 – $580 |
| Ridge cap relevel and foam adhesive | $280 – $520 |
| Decking repair (per sheet, plywood) | $140 – $220 |
| Skip-sheathing replacement (per sheet) | $180 – $290 |
| Full roof replacement (composition, 2,000 sq ft) | $8,500 – $14,000 |
| Full roof replacement (clay tile, 2,000 sq ft) | $16,000 – $28,000 |
| Roof inspection with written report | $150 – $250 |
| Emergency tarping (wind/storm damage) | $200 – $450 |
In Whittier, prices push toward the higher end when we need to address hidden seismic damage to roof-to-wall connections, work on steep hillside pitches with limited access, or remove multiple layers over original skip-sheathing. Every price is written and approved by you before any work starts. No surprises on the invoice.
Neighborhoods We Serve in Whittier
We work across Whittier’s full range of neighborhoods, from the flatland historic districts to the hillside tracts above Colima Road. Most Whittier appointments are scheduled within a few business days, with emergency tarping available when Santa Ana winds have caused active leaks.
- Friendly Hills
- Scottsdale (Whittier area)
- East Whittier
- South Whittier
- Whittier Hills / Puente Hills foothill tracts
Service Area – Cities Near Whittier
Our crews serve homeowners throughout the eastern San Gabriel Valley and surrounding communities. We regularly work in Pico Rivera, CA, South El Monte, CA, Hacienda Heights, CA, and Montebello, CA. Each of these cities shares some of Whittier’s inland climate characteristics, though Whittier’s unique fault-line history and hillside wind exposure remain distinct.
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 Roofers in Whittier
We answer calls with a live person 24/7, and emergency tarping for active leaks is typically scheduled same-day or next-day depending on wind event severity and crew location. Call (743) 200-8347 to report damage and we’ll give you a specific arrival window.
Yes, the City of Whittier requires a building permit for full roof replacements, and hillside properties may trigger additional grading or structural review. We pull all required permits and schedule inspections as part of every installation. The permit cost is included in your written price.
Many won’t. Whittier’s combination of seismic damage history, Santa Ana wind exposure, and hillside access constraints requires specific experience. We’ve found that flatland-oriented crews often miss shifted flashing or underestimate wind uplift on ridge caps. Our technicians are trained to the Threshold Verified standard and work these conditions regularly.
Call (743) 200-8347 to schedule your free estimate. We’ll send your technician’s name and photo before they arrive, and you’ll get a written price before any work starts.
What happens when you call
- 1A real person answersNo phone trees - talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Whittier Customers Say
"Replaced the ridge cap and drip edge, and fixed a sagging gutter that nobody else mentioned. Fair price."
- Phil N."Great shingles and a clean install. Wish the cleanup had been done the same day, but they came back the next morning and finished it."
- Tasha G."Detailed written quote with the shingle line and warranty spelled out. No surprises at the end."
- Laura B.






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