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 Lomita
A full roof replacement in Lomita typically runs $12,000 to $26,000 for a standard single-family home, depending on square footage, tear-off layers, decking condition, and whether your roof sits on one of the low-lying, fog-soaked streets near the old Pacific Electric right-of-way. That’s not a number we pulled from a national chart; it’s what we see after tearing off hundreds of aging 1940s and 1950s roofs across this city. If you’re noticing curling shingles, ceiling stains, or granules collecting in your gutters, call Crown Line Roof Repair at (844) 966-3891 for a straight answer and a free estimate.

Lomita is our kind of town: fully built out, tight lots, honest houses that have been carrying the same roof longer than most of us have been alive. You don’t need a sales pitch here. You need someone who knows what a 1956 California ranch on a shallow pitch actually looks like once the old shingles come off. That’s what we do.
Why Crown Line Roof Repair Is Lomita’s Preferred Roof Replacement Company
Noel Carrasco leads our crew, and he’s the one who set the tone for how we work: diagnose first, recommend second, and never sell a full replacement when a repair makes more sense. The company name starts with “Repair” for a reason. In Lomita, that means we show up to a home on streets like Eshelman Avenue or near the 90717 stretch along the old railroad right-of-way and give homeowners an honest read, even when the honest read is that they’ve got a few more years left.
We’re certified to work with seven major shingle manufacturers: GAF in Lomita, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That’s not bragging rights. It means when we walk a roof in Lomita, we can match what’s already up there instead of steering you toward whatever brand we happen to prefer that month. Brand-agnostic recommendations keep us honest, and it keeps your roof’s existing system and warranty coherent months after we leave. If you want a professional assessment before any repair or replacement commitment, we offer roof inspection as a standalone service, no obligation attached, so you can separate the diagnosis from the sale.
Styles & brands we work with






Roof Replacement Contractor in Lomita
A Roof Replacement contractor in Lomita does more than swap shingles. On most of these homes, the job means tearing off old material, exposing decking that has spent sixty years in marine-layer moisture, replacing rotted sections, rebuilding drip edges and valleys, and only then laying new underlayment and shingles. A typical full replacement for a 1,200 to 1,800 square foot bungalow in Lomita runs $12,000 to $22,000. Larger homes or steeper pitches on the hill side push toward $26,000 and up. The permit process matters here, too: once the roof is opened up, the city may require bringing sheathing and strapping up to current code, and that has to be priced before we touch anything.
Full Roof Replacement and Decking
The moment the old shingles come off a Lomita tract home, the decking tells you the truth. We price allowances for decking replacement into the contract up front, so when we find two or three sheets of rotted plywood over the garage, it’s not a surprise change order. It’s a line item you approved before we started. On homes near the old Pacific Electric right-of-way, we expect soft decking. We plan for it.
Architectural Shingles and Low-Pitch Work
Architectural shingles are the standard recommendation for most Lomita homes. They carry more weight than three-tabs, they look like the roof a 1950s ranch deserves, and they’re easier to detail properly around the shallow-pitch sections that dominate this city. Where the slope falls below the manufacturer’s minimum, we move to the appropriate waterproofing method, which often means a modified bitumen or flat-roof assembly, not just more shingles. A low-slope section on a north-side Lomita street gets a different system than the main roof on a hill street up toward the Peninsula. That distinction is where a real local replacement contractor earns the job.
Asphalt Shingle Roof Replacement in Lomita
Roof Replacement for an asphalt shingle roof in Lomita is the most common job we do, and the price range you’ll most often see is $11,000 to $19,000 for a modest single-story home with a straightforward tear-off. Asphalt shingle roof replacement here means tearing off one or two old layers, repairing decking, installing new underlayment, and finishing with an architectural shingle from a brand that fits your roof’s condition and your budget. On many Lomita homes, the real cost driver is not the shingle itself but the rot repair underneath.
Asphalt Shingle Tear-Off
Most Lomita homes are reaching or past their second replacement, which means we’re often pulling two layers of old material. That’s heavier labor, bigger disposal fees, and more time, but it’s the only way to inspect what’s happening underneath. You can’t properly flash a chimney or re-deck a valley if the old material is still hiding it.

Architectural Shingle Installation
Architectural shingles are designed to shed water quickly, but on Lomita’s north-side flat streets near the old Pacific Electric right-of-way, the roof pitch is so shallow that even a quality shingle can’t compensate for failed underlayment. We set shingles to the manufacturer’s nailing pattern and use high-temp underlayments, but on the low-pitch sections we don’t pretend shingles alone will fix the ponding. We address the drainage first, then the shingle. That’s the correct sequence, and it’s one we’ve learned the hard way from roofs right here in Lomita.
Trusted Brands We Service in Lomita
We work with CertainTeed, Owens Corning, IKO, and several other major manufacturers, including GAF, Atlas, Tamko, and Boral. That means if your Lomita home currently has CertainTeed three-tabs and sections are failing, we can match the remaining course with the same brand or a compatible line instead of forcing a full-budget tear-off. If you’ve got Owens Corning architectural shingles on the front and a leak over the kitchen, we’ll source from Owens Corning and keep your warranty coherent. For IKO or Atlas roofs, same approach. Seven major brands, one honest recommendation, based on what your roof actually needs.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Lomita Homes
- Rot under low-pitch sections. The shallow roofs along Lomita’s north-side flat streets near the old Pacific Electric right-of-way hold water long after it stops raining. By the time we tear off, the decking underneath is often soft for full sheets, not just a corner.
- Failed heavy underlayment. On the older 1940s and 1950s tract homes, decades of marine fog and damp air break down the original underlayment, and water backs up under shingles in ways that look like shingle failure but are really an underlayment problem.
- Santa Ana wind damage to flashing. The strong offshore winds that roll through Lomita pull at worn flashing around plumbing vents, chimneys, and valleys. If the nails were overdriven during the last install, the wind finishes the job.
- Moss and moisture on the fog side. Homes on the lower, foggy side of Lomita take the marine layer most mornings, and the constant damp promotes moss growth that lifts shingles and traps water against the decking. The hill streets toward the Peninsula dry out faster and don’t see the same problem.
Pricing for Roof Replacement in Lomita, CA
For a typical Lomita home, expect these ranges: asphalt shingle replacement from $11,000 to $19,000, full roof replacement with decking and underlayment rebuild from $12,000 to $26,000, and flat or low-slope sections on north-side streets adding $3,000 to $8,000 depending on how much of the roof falls below the shingle manufacturer’s minimum slope. The biggest swing factors are the number of existing layers, how much decking needs replacing once we open the roof, and whether your home sits on a low-lying street where ponding has rotted the sheathing. We write allowances into the contract so any additional decking or framing gets approved in writing before we touch it. Call (844) 966-3891 for a free estimate, and you’ll get a line-item number, not a vague range.
We Also Serve Cities Near Lomita
Our crews work throughout Lomita and the surrounding South Bay, including Torrance, Rolling Hills Estates, West Carson, and Manhattan Beach. If you’re in one of those neighboring cities and noticed a leak or want a second opinion on a replacement quote, we’re close enough to walk the roof, pull a shingle, and give you a straight answer. Same specialist approach, same brand-agnostic sourcing.
Serving Lomita, CA — Our Local Coverage Area
We’re based in the Lomita 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 Lomita
Because Lomita’s housing stock is old, and a roof on a 1950s ranch looks fine until the shingles come off. Most first quotes don’t account for rotted decking, failed underlayment, and code upgrades once the city inspector gets involved. We write explicit allowances into the contract so those costs are visible before we start, not added as a surprise change order.
Once a roof is torn off, Lomita requires the exposed structure to meet current building code, which often means adding or upgrading sheathing fasteners, replacing damaged decking, and bringing edge metal up to code. We price that work in advance and get approval in writing before we change anything. Call (844) 966-3891 for an exact quote, and we’ll walk you through what your specific roof is likely to require.
We treat them as drainage and underlayment rebuilds, not simple shingle swaps. On a 1950s ranch near the old Pacific Electric right-of-way, our crew pulled the original wood shakes off a low-pitch section and found the decking soft for two runs, the ice and water shield long failed, and ponding stains where the shallow slope had been holding water for years. We re-decked the rotted runs, rebuilt the valleys and drip edge, laid fresh ice and water shield before any underlayment, and finished with architectural shingles set to the spec nailing pattern, then priced the extra decking in writing before we laid a single new square.
Look for three things: whether the bid includes decking replacement allowances in writing, whether the contractor is certified for the shingle brand being installed, and whether the low-slope sections are handled with the correct waterproofing method rather than just shingles. A lower bid that skips underlayment or decking will cost you more when the tear-off reveals what’s underneath. We’re happy to walk through a competing bid with you and tell you what’s missing.
Yes, when they’re installed on a properly prepared deck with the right underlayment. The fog and salt air are hard on wood and low-pitch sections, not on the shingle itself, as long as the shingle is rated for coastal conditions and nailed to spec. Ask about the underlayment and drainage first. That’s where Lomita roofs actually fail. For a free estimate on your specific roof, call (844) 966-3891.
Written by Noel Carrasco, Owner at Crown Line Roof Repair, serving Lomita and the South Bay. Repair first. Replacement only when the numbers justify it.