Tile roof repair and re‑roofs in Porter Ranch, Los Angeles, CA 91326
Porter Ranch climbs from the valley floor into the Santa Susana foothills, mostly in planned tracts built from the 1960s onward. Concrete tile is the standard roof here, and many of those roofs have reached the age where the underlayment beneath the tile is giving out.
- Answered 24/7
- Concrete tile
- Foothill tracts

In Porter Ranch we replace worn underlayment under concrete tile, repair cracked and slipped tile, re-roof older tract homes, and harden roofs on streets that back onto the hills. Porter Ranch is part of the City of Los Angeles, so permits come from LADBS, and calls are answered 24/7.
Concrete tile on planned tracts
Concrete tile lasts for decades, but the felt underneath it doesn't. On Porter Ranch homes from the 1970s and 1980s, the original underlayment is often brittle, and leaks show up at valleys and around chimneys long before the tile itself looks worn.
Our usual fix is a tile lift and relay: we take the tile off, put down new underlayment and flashing, and set the sound tile back with matched replacements. On the upper streets, the relay is also the time to add ember-resistant vents.

Roof jobs we do most in Porter Ranch
Tile Roof Underlayment Replacement in Porter Ranch
Tile relays over new underlayment.
Concrete Tile Roofing in Porter Ranch
Concrete tile repairs and re-roofs.
Slipped tile reset
Cracked and slipped tile.
Class A roof assemblies
Vents and edges on hillside streets.
Porter Ranch sits at the foot of the Santa Susana Mountains, about a mile south of the Aliso Canyon natural gas storage field, and its upper streets run right up to open brush. That edge brings Santa Ana winds that lift tile and carry embers ahead of a fire. When we relay a tile roof on those streets, we fasten the tile to current standards, close the openings at the eaves and ridge, and fit ember-resistant vents.
LADBS permits
Porter Ranch is part of the City of Los Angeles, so re-roof and tile relay permits come from LADBS. Homes against the hills fall under the fire-zone rules, which shape the vents and edge details.
The permit filing and inspection scheduling are part of our job.
There's more detail in our flat roof cost guide.
Porter Ranch roofing questions
Short answers for homeowners and owners in Porter Ranch.
Other ways to reach usThe underlayment beneath the tile usually wears out first. A relay replaces it and keeps your tile.
Usually, from salvaged or current profiles. We confirm the match before ordering.
LADBS, because Porter Ranch is part of the City of Los Angeles.
About twenty-six miles from our El Sereno office.
Other areas we cover close by
Granada Hills
Eichler low-slope roofs and ranch-house re-roofs.
Northridge
Post-war homes, apartments and framing checks.
Chatsworth
Ranch homes, barns and stables in the northwest valley.
Sylmar
Ranch-house re-roofs and mobile home roofs at the city's top.
