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Licensed & Insured. CSLB #1092889 Serving the San Fernando Valley & the Westside Service Areas FAQ Client Support (818) 934-0075
MAMOS Construction & Design

Mamos Construction & Design

Mamos Construction & DesignROOFING
(818) 934-0075
Roofing  ›  Westside  ›  Brentwood

Brentwood is two neighborhoods: the flats, and the canyons above Sunset.

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Joseph will call you at the number you gave within 15 minutes: 8am to 5pm Monday to Thursday, 8am to 2pm Friday. Outside those hours you are first on the list the next morning. Urgent right now? Call (818) 934-0075.

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How old your roof really is, from permit records
How many years it has left, checked from the roof itself
Whether your address is in a fire hazard zone
Dated photos and notes, in writing for your insurance agent

If the roof still has good years left, the report tells you.

Roof replacement and free written roof inspections across Brentwood. The median home in ZIP code 90049 was built in 1968, and four in ten date from the 1950s and 1960s. Parts of Brentwood sit in the city’s Very High Fire Hazard Severity Zone, and in the last seven years fire has come into the canyons twice.

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Deck, underlayment, then shingles or tile. The underlayment keeps the water out, and you can only check it from up on the roof.

CSLB 1092889Check it yourself at the state license board
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Free, no obligationYou keep the report either way
Dated photosTaken on your roof, in every report

What we check on a Brentwood roof

The Getty Fire started with a branch

In October 2019, wind snapped a tree branch into power lines off Sepulveda Boulevard. The fire burned 745 acres and destroyed 10 homes, according to the LAFD. Trees, wind and the roof edge belong in the same conversation.

The canyons are a fire zone

The LAFD lists portions of Brentwood inside the Very High zone. In January 2025 the Palisades Fire reached Mandeville Canyon, and the city ordered evacuations from Sunset Boulevard north to the Encino Reservoir.

Mid-century roofs, many times over

A house from the 1950s or 1960s has likely been re-roofed more than once, and sometimes an older layer is still underneath. The report records the layers, the deck and any low-slope sections, with photographs.

Valley patched with mastic, no metal valley flashing
Valley patched with mastic, no metal valley flashing. Every report has dated photos like this one, taken up on the roof.

Before the rain in Brentwood

Canyon homes near a fresh burn edge, tall trees on the flats, and mid-century roofs throughout.

Near the 2025 burn edge

Homes in upper Mandeville Canyon sit close to ground the Palisades Fire burned. Follow the county’s storm alerts at alert.lacounty.gov and know your way out, on top of the roof.

Tall trees on the flats

South of Sunset, mature street and yard trees drop leaves into gutters through the fall. Clear them before the first storm, then check that every downspout drains away from the house.

Low slopes from the 1950s

Many mid-century homes have low-pitch or flat sections over additions and carports. Those shed water slowly, and a long storm gives it time to find a seam.

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.

Shingle re-roof in progress in Encino, new ridge vents and flashing going in
Re-roof in Encino: new shingles, ridge vents and pipe flashings going on.
Two roofers in harnesses laying architectural shingles over new underlayment
Shingles going down over new underlayment, crew tied off.
Crew rolling out Polyglass underlayment on a new ADU flat roof
ADU flat roof: underlayment rolled out before the cap sheet.
Finished white cap sheet on an ADU flat roof with every vent flashed and sealed
The same ADU roof finished: white cap sheet, every vent flashed and sealed.
Tarzana re-roof finished: new gray architectural shingles, ridge caps and a flashed skylight
Re-roof in Tarzana, finished: new shingles, ridge caps, skylight flashed.
Clay barrel tile roof with a new gutter line along the eave
Clay barrel tile with a new gutter line along the eave.

The rules that apply to a Brentwood roof

City of Los Angeles rules. Which ones apply depends on which side of the fire zone line you are on.

PERMIT
LADBS

Re-roofs are permitted by the Los Angeles Department of Building and Safety. Replace more than half the roof and the product needs a cool roof rating from the CRRC.

FIRE ZONE
Class A

Inside the Very High zone the roof must be Class A, and wood shake and shingle are not permitted.

CLEARANCE
200 feet

Brush clearance around structures is required inside the Very High zone. On canyon lots, the trees over the roof are worth checking at the same visit.

We get on the roof, photograph what we find and write it up.

Get my free report

Same ZIP code, different rules.

A house south of Sunset and a house in Mandeville Canyon share a mailing address and almost nothing else. The report starts with which rules apply to your parcel, then tells you what the roof needs, in writing.

745

acres burned by the 2019 Getty Fire in Brentwood, which began when a tree branch fell onto power lines in high wind. Ten homes were destroyed, according to the LAFD.

New underlayment down on an Encino re-roof
Shingle re-roof in Encino: new underlayment down before the shingles.

Roof questions in Brentwood

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.

I live south of Sunset. Do the fire zone rules apply to me?

Usually not, but the line is drawn parcel by parcel, not by street. The report tells you in writing whether your address is inside the Very High zone, and what that means for the roof.

Start with which side of the line you are on.

Fire zone status, roof age and remaining life for your address, with dated photographs. The answer may be a replacement, or a repair and a few more years.

“I hired Joseph to help me with my condo remodeling. I had several bids and he was reasonable and did a great job and was reliable. I highly recommend him”

BEN R.  ·  YELP
ROOF & INSURANCE REPORTREQUEST FORM

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Fire zone status, the layers on your roof, and remaining roof life. We call back within 15 minutes: 8am to 5pm Monday to Thursday, 8am to 2pm Friday.

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Mamos Construction & Design
Brentwood  ·  Mandeville Canyon  ·  Crestwood Hills  ·  Brentwood Glen
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