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Roof replacement begins with an inspection and photos, followed by a written scope and price.
One call to (855) 512-1072 reaches Roofers Hotline for roof replacement in Los Angeles and 51 towns across the county. Calls are answered 24 hours a day and every estimate is put in writing before work starts.
Census figures put 71% of homes inside the city limits before 1980, so a replacement estimate is written beside most repair estimates.
The old roofing comes off down to the deck and is hauled away, so nothing new is laid over worn material. That matters here because 71% of homes were built before 1980 and often carry more than one layer. Call to confirm how many layers are on yours.
Once the old layers are off, the deck is checked board by board and soft sections are replaced. The median home here dates to 1964, so decking has had decades of sun. The written estimate names how much decking is replaced. Ask about it when you call.
Underlayment and drip edge keep water from getting under the new roof at the edges. Ice risk is low here, with no freeze days in the 1991 to 2020 normals, so the concern is rain, about 14.2 inches a year. Ask what goes on your roof.
The new covering is shingles, metal or tile, fastened with manufacturer-rated fasteners. Hail up to 1.75 inches has been recorded in the county since 2015, and the downtown station sees about 26 days a year at 90 degrees or higher. Call to compare materials in the written estimate.
For the work itself, read roof replacement explained, which follows a job from the first call onward.
Roofers Hotline books roof replacement in Los Angeles with one call, 24 hours a day. The county's storm record is the reason to ask before a roof fails: NOAA's storm records since 2015 show 8 hail events of one inch or larger, 5 damaging wind events and 6 tornadoes, with hail as large as 1.75 inches.
Federal disaster declarations that include the county number 22 from 1969 to date, the latest on April 13, 2024, for severe winter storms, tornadoes, flooding, landslides and mudslides. If your roof has taken several of those seasons, call and ask for the written estimate before any work starts.
Housing age drives most replacement decisions here. By Census estimates for 2019 to 2023, 71% of homes in Los Angeles were built before 1980, and the median home was built in 1964, so many roofs are on a second or third covering with older decking underneath. The climate adds wear without freezing: the downtown weather station (USC campus) averages about 26 days a year at 90 degrees or higher and no freeze days in the 1991 to 2020 normals. Sun is the slow damage, so the visit checks the decking as well as the surface. Call to book the inspection and get the written estimate.
The visit itself is covered under roof leak repair in Los Angeles, which serves 353 ZIP codes.
Sources: U.S. Census ACS 2019 to 2023; NCEI 1991 to 2020 normals. Updated October 2026.
Shingles past 20 to 25 years with widespread granule loss, repairs every season on different sections, sagging deck lines visible from the street and several layers already on the roof all point toward replacement. With 71% of homes here built before 1980, the layers and the sun-worn decking beneath them are common causes. Photograph what you see from the ground and do not climb up to look closer, since a weak deck can give way. Call, describe what you found, and book the inspection.
Costs
| Job | Range | Per unit |
|---|---|---|
| Asphalt shingles, 3-tab | $4,900–$9,800 | $289–$578 per square |
| Asphalt shingles, architectural | $8,200–$24,600 | $482–$1,446 per square |
| Metal roof, standing seam | $11,500–$64,100 | $677–$3,771 per square |
| Concrete tile | $11,600–$31,400 | $681–$1,849 per square |
| Natural slate | $16,500–$49,500 | $970–$2,910 per square |
| Flat roof, TPO membrane | $6,700–$23,300 | $392–$1,371 per square |
Full roof cost breakdown for this metro.
Typical range for this metro, built from published ranges and the local labor index (0.94); a written estimate depends on pitch, layers and decking.
Not a quote: typical 2026 ranges from published cost guides and Census County Business Patterns 2022 payroll data; your written estimate depends on pitch, layers and decking.
Source: published 2026 cost guides (Fixr, This Old House, Bob Vila, NerdWallet) and Census County Business Patterns 2022 roofing-contractor payroll.
Through the same number, homeowners also book roof repair for this metro, with a photographed inspection ahead of the estimate.
Why call
Book replacement before the wet months, not during them. The downtown station records 14.2 inches of precipitation a year and no snow or freeze days in the 1991 to 2020 normals, so work can be scheduled through most of the year. NOAA's records give March as the peak month for hail reports near Los Angeles, which makes late winter a good time to have the roof checked first.
The visit covers the inspection, the written estimate and the replacement work itself. Call to set a date.
Homeowners outside this metro center can open roofing coverage in Huntington Park, about 5 miles out, for the same service and the same written estimate.
California licensing: California requires roofing contractors to hold a CSLB license, usually the C-39 Roofing classification. Look up any license at CSLB.
Questions
Replacement is likely when shingles are past 20 to 25 years with widespread granule loss, repairs keep appearing on different sections, or the deck sags. With 71% of local homes built before 1980, many roofs are old. Call for an inspection and a written estimate that states which one your roof needs.
Less than in most places. The downtown station averages 14.2 inches of precipitation a year, with no snow and no freeze days in the 1991 to 2020 normals, so most of the year works. Call, and the visit can be scheduled around the rainy months.
Yes. NOAA's storm records since 2015 show 8 hail events of one inch or larger, 5 damaging wind events and 6 tornadoes in the county, and 22 federal disaster declarations from 1969 to date. After a storm, call for an inspection before a small problem grows.
California requires roofing contractors to hold a CSLB license, usually the C-39 Roofing classification. Look up any license at CSLB before work starts. When you call Roofers Hotline for roof replacement, ask for the written estimate before any work starts.
A common question across the metro is How long does a roof last?
See also our local guide to common roof problems here, written from the same county storm and housing records. Our local guide to roof emergency warning signs draws on the same county storm and housing records.
Takes about a minute. Tell us the ZIP code and what the roof is doing, and a local roofer calls you back to book an inspection and written estimate.
Start your requestOr call: the number at the top of this page is answered 24/7.