Chatsworth sits between two ranges of hills. Most of its houses went up in the sixties and seventies.
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If the roof still has good years left, the report tells you.
Roof replacement and free written roof inspections across Chatsworth. The median home in ZIP code 91311 was built in 1974, and nearly one in three dates from the 1970s, according to the Census Bureau. The Santa Susana Mountains rise to the north and the Simi Hills to the west, and parts of the neighborhood sit in the city’s Very High Fire Hazard Severity Zone.
Deck, underlayment, then shingles or tile. The underlayment keeps the water out, and you can only check it from up on the roof.
What we check on a Chatsworth roof
A fifty year old house, and a fire zone line that runs through the neighborhood.
The second or third roof
A house from the seventies is usually on its second roof at least. We look at what is underneath: the decking, the flashing at walls and chimneys, and whether an older layer was left in place.
The edge of the hills
LAFD lists Chatsworth among the communities with land in the Very High zone. Inside it a new roof has to be Class A, and wood shake or shingle cannot go back on.
Where embers get in
Open vents, gaps at the eaves and dry leaves in the gutters are where wind-blown embers land first. The report notes each one, with a photograph.
Before the rain in Chatsworth
Seventies roofs in the flats, and hillside lots where water and debris come down fast.
Flashing older than the shingles
On a house re-roofed once or twice, the metal at chimneys, walls and vents is often the original. That is where a long storm gets in first.
Gutters under the oaks
Lots near the hills collect leaves, needles and grit all summer. A full gutter sends rain back under the roof edge in the first heavy storm.
Low-slope patio and garage roofs
Additions from the seventies and eighties often run at a shallow pitch. Water sits longer there, so we check them along with the main roof.
Before the first big storm: book the free roof check, or read our winter storm roof guide.
From our roofs
Recent MAMOS roofing work: shingle re-roofs, flat ADU roofs and tile.
What the city requires on a Chatsworth roof
Chatsworth is part of the City of Los Angeles, so city building rules and the city fire department apply.
The Los Angeles Department of Building and Safety issues the re-roof permit. Replace over half the roof and the cool roof rule applies, with CRRC rated products.
Once repairs pass 10 percent of the roof inside a year, the entire roof must meet current code, and wood shake or shingle is not allowed back.
LAFD can require brush clearance up to 200 feet from structures in the Very High zone.
We get on the roof, photograph what we find and write it up.
Get my free reportA notice from your carrier? Start with the roof’s age.
Carriers often judge a roof from aerial imagery rather than a visit. A dated written report, with photographs of each slope and the roof’s age and remaining life, gives your agent something specific to work with.
acres burned by the Topanga Fire, which started on September 28, 2005 in the Santa Susana Mountains northwest of Chatsworth and took eight days to contain.
Roof questions in Chatsworth
Repair or replace?
Usually the underlayment decides it, and you have to get on the roof to check that. The report gives you the answer, with photos.
What does a new roof change for my insurer?
Most letters name roof age. The permit and completion papers show the new roof’s date; what the carrier does with them is its decision.
Is my Chatsworth house in the Very High Fire Hazard zone?
The hillside parts of Chatsworth are, and the line runs parcel by parcel. The state issued new maps in 2025 that redrew parts of it, so the report states your address’s status in writing.
Get the age, the zone and the condition on one page.
A free written report with roof age, remaining life and fire zone status. If a repair buys you real years, the report says so.
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Request your report
Roof age, fire zone status and the repairs that matter most, in writing. We call back within 15 minutes: 8am to 5pm Monday to Thursday, 8am to 2pm Friday.
Got it.
Rather talk? Call (818) 934-0075.
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Chatsworth · Porter Ranch · Northridge · West Hills
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