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 La Mirada
Roof replacement in La Mirada typically costs between $9,800 and $22,000 for a standard single-story ranch home, with most projects landing around $13,500 to $16,500 depending on material choice and whether drainage correction is needed. The work usually takes 3 to 7 days from tear-off to final inspection, and because we’re based just up the road in Norwalk, our crew reaches any La Mirada neighborhood within 30 minutes. Call (866) 617-1004 to schedule a free roof inspection and get a written line-item quote before you commit to anything.
La Mirada’s housing stock is different from surrounding cities, and that matters when you’re pricing a new roof. Most of the original tracts off La Mirada Boulevard, Foster Road, and Santa Gertrudes Avenue went up in the 1950s and early 1960s, and they carry roof designs from that era: low-slope carports, shallow-pitch patio additions, and the occasional original wood shake that’s now well past its service life. We know these roofs because we work on them every week, and our Roof Replacement team scopes every project for drainage first, not just shingle count.
Why True North Roof Repair Is La Mirada’s Preferred Roof Replacement Company
We’re a roofing-only contractor run by Noel Ibarra, and that focus is the reason La Mirada homeowners call us instead of a general contractor pulling double duty on kitchens and bathrooms. Every technician on our crew spends their entire workweek on roof systems: tear-offs, decking, underlayment, flashing, venting, and drainage. When you’re replacing a roof on a 60-year-old ranch in the 90638 zip, that narrow specialization means the crew has already fixed fifty roofs just like yours.
Our customers in the 90637, 90638, and 90639 zips keep us busy because we show up when we say we will and we don’t pad the scope. We stock and install materials from seven of the industry’s most recognized manufacturers, including GAF, CertainTeed, and Owens Corning, so you’re not locked into whatever single brand the contractor happens to carry. The recommendation you get is based on your roof’s actual condition and your budget, not a distributor relationship.
We also run a standalone inspection service that exists purely to diagnose. You can hire us to inspect your roof with no obligation to buy a replacement from us. More than half the time, we find issues that a repair can handle. When replacement is genuinely needed, you’ll know exactly why, with photos and measurements to back it up. That’s the calm, direct approach Noel built the company on: diagnose first, spend second.
Styles & brands we work with
Asphalt Shingle Roof Replacement in La Mirada
Asphalt Shingle Roof Replacement in La Mirada is the most common scope we perform, and it usually runs $10,500 to $16,000 for a standard 1,400 to 1,800 square foot home. The job involves tearing off the old shingle layers, inspecting and often replacing the decking underneath, installing new underlayment and ice-and-water shield, and laying architectural or dimensional shingles from GAF, CertainTeed, or Owens Corning. Most La Mirada homeowners choose architectural shingles because they hold up better to inland heat and Santa Ana wind than basic three-tab.
One thing we look for on every La Mirada shingle job is whether the roof framing has settled enough to create low spots. In the older tracts, decades of clay-soil movement can leave shallow depressions where water pools after rain, even on pitched roofs. We address those before we lay the first shingle, because a new roof over a drainage problem is just a future leak with a warranty dispute attached.
Decking and Underlayment Scope
On 1950s and 60s homes, we regularly find decking that was installed as 1×6 board or 3/8-inch plywood that’s now spongy from decades of heat cycling and the occasional past leak. We include reasonable decking replacement in our written quote as a line item, not a surprise change order, and we show you the rot before we cut it out.
Shingle Selection for Inland Heat
La Mirada summers bake roofing materials. We steer most homeowners toward high-wind-rated architectural shingles with a strong granule bond, because the combination of UV exposure and dry Santa Ana gusts is what kills shingles here. GAF Timberline HDZ, CertainTeed Landmark, and Owens Corning Duration all perform well in this climate, and we carry all three so you’re choosing based on features and budget, not availability.
New Roof Installation in La Mirada
New Roof Installation in La Mirada usually means a full structural roof on a home addition, detached shop, or a house that needs a complete system rather than a re-cover. For new construction or a full tear-down-to-framing replacement, homeowners should budget $14,000 to $26,000 depending on square footage, pitch, and whether engineered trusses or custom framing are involved. This is a different scope from a straightforward shingle replacement, and it requires the roofing contractor to coordinate with the framing crew, insulation, and the county inspector.
On larger lots in the eastern and northern edges of La Mirada, we frequently build roofs for detached garages, workshops, and ADUs where the owner wants the new roof tied into the main house’s drainage system. We scope these as standalone roofing projects, but we always check how the new roof will shed water relative to the existing structure and the lot’s grade. A new roof that dumps into a low corner of the yard is a problem that shows up in the first winter storm.
Flat and Low-Slope New Construction
Many La Mirada additions from the original build era went in with flat or very shallow-slope roofs, and that’s still common for new ADUs and patio covers today. For new flat roofs we recommend GAF or Owens Corning low-slope membrane systems with positive drainage designed in from day one. That means the framing itself gets a slight slope, so water moves instead of ponding.
Roof Decking Replacement
On new roof projects over an existing structure, decking replacement is often the make-or-break cost item. We inspect the sheathing from inside the attic before quoting, and we show you exactly what’s coming down. If the decking is sound, we tell you and leave it. If it’s particleboard that’s been swelling for 30 years, you’ll see it in our photo documentation.
Trusted Brands We Service in La Mirada
We carry GAF, CertainTeed, and Owens Corning as our primary shingle lines, and we can source IKO and other brands when the project calls for it. Because our yard is close to La Mirada, we can pull a full roof package for your job in a day or two, not the week some out-of-area contractors need. You get a written quote that names the exact product, color, warranty, and quantity, so there’s no substitution game when the crew shows up.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in La Mirada Homes
- Ponding on carport and patio roofs. Decades of settling in the original tracts leaves low-slope roofs holding water after rain, which rots decking and rusts drip edge. We correct the slope with tapered insulation during replacement, so the new roof drains instead of pooling.
- Dried-out wood shake from the 1950s and 60s. Inland heat and dry air have turned many original shake roofs into kindling that leaks at valleys and pipe penetrations. We replace these with architectural shingles or low-slope membrane and bring the roof up to current fire-rating standards.
- Santa Ana wind damage on loose starter strips. We see ridge vents and starter courses that were nailed too high or too shallow, and the dry offshore gusts peel them right off. Our crews re-secure or replace the entire perimeter during any full roof replacement, not just the visible field.
- Flashing failures at patio and addition transitions. Where the original ranch home meets a later patio or carport addition, the transition flashing is often original and failing. We cut in new step and counter-flashing at every transition point, because that’s where La Mirada roofs leak first.
Pricing for Roof Replacement in La Mirada, CA
Here’s what you should expect to pay in La Mirada right now for the most common scopes. An asphalt shingle replacement on a standard ranch runs $10,500 to $16,000. A full new roof system with decking correction and drainage work runs $14,000 to $26,000. Adding a low-slope carport or patio roof replacement to the job typically adds $3,500 to $7,500 depending on size and how much slope correction the deck needs. The variables that move your number are total square footage, how many layers we’re pulling off, decking condition, access for the dump trailer, and whether county permitting triggers any additional structural review. You’ll get a fixed line-item quote before any work starts, and the estimate is always free. Call (866) 617-1004 to schedule one.
Here is a quick pricing guide by scope:
| Scope | Typical La Mirada Range |
|---|---|
| Asphalt shingle replacement (standard ranch) | $10,500 – $16,000 |
| Architectural shingle upgrade | $12,000 – $18,500 |
| New full roof system with decking | $14,000 – $26,000 |
| Low-slope carport/patio membrane | $3,500 – $7,500 (add-on) |
| Roof decking replacement (per sheet) | $75 – $120 |
We Also Serve Cities Near La Mirada
Our La Mirada customers often refer us to family and friends in the surrounding area, and our crew covers Roof Replacement in La Mirada plus South Whittier, East La Mirada, Buena Park, and Norwalk. If you’re in any of those neighborhoods, you get the same local-first approach and the same written quote process.
Serving La Mirada, CA — Our Local Coverage Area
We’re based in the La Mirada 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 La Mirada
La Mirada’s original 1950s and 60s tracts were built with low-slope or nearly flat roofs on carports, patio additions, and parts of the main house, because that was the architectural style of the era. Standard shingles don’t work on slopes under 2:12 pitch, so these roofs need membrane systems like GAF’s low-slope line or Owens Corning membrane with tapered insulation to correct drainage. If your home has those original low-slope sections, anyone quoting you a standard shingle price without addressing drainage is missing the real scope. Call (866) 617-1004 and we’ll assess the actual pitch before you spend a dollar.
La Mirada is in Los Angeles County, so roof replacements are permitted through the county’s building and safety process rather than a city-level building department. We pull the permits, schedule the inspections, and stand behind the work through final sign-off, so you’re not chasing county inspectors on your own. A properly permitted roof replacement protects your home’s resale value and ensures the work meets current fire and wind codes for the region.
Ponding happens because the original carport and patio roofs were framed with minimal slope, and 60 years of settling in the clay-heavy soil has made the slope even shallower. During a replacement, we fix it by installing tapered insulation panels that create positive drainage, then the low-slope membrane goes over the top. We replaced a failing 1960s carport roof on a ranch home near La Mirada Boulevard where ponding had rotted the decking and rusted the drip edge. We tore off the old built-up roof, installed new GAF low-slope membrane with tapered insulation to correct the slope, and added proper flashing at the patio addition. The homeowner now has a dry carport and a 10-year leak-free warranty.
Yes, and this is a regular part of our work in the 90638 and 90639 zip codes where lots are wider and many properties have detached garages, workshops, or ADUs. These structures often have their own low-slope roofs with the same ponding and age issues as the main house, and we scope them as part of the overall project so everything sheds water into the right place. If the outbuilding’s roof drains toward the main house or into a low corner of the lot, we address that in the plan rather than patching it later.
Santa Ana winds test the perimeter of your roof, especially the starter strip, ridge vent, and any transition flashing. On every replacement, we install high-wind-rated starter strip, extended-nail pattern fastening, and proper ridge vent attachment so the dry gusts that scream down from the foothills don’t peel your new roof apart at the edges. If your old roof has wind damage, we document it during the inspection so you know what you’re fixing, and the replacement is built to current wind standards.
Written by Noel Ibarra, Owner at True North Roof Repair, serving La Mirada and surrounding communities with roof inspection, repair, and replacement since day one.