5.0 · 28 Google reviewsLicensed & insured · CSLB License #1113385 Financing Available | Free estimates: 866-643-1950
Hillside and tract roofing in Monrovia, California at the San Gabriel foothills

Monrovia · Los Angeles County

Monrovia roofing and attic insulation

Tekton repairs and replaces roofs in Monrovia — shingle and tile on foothill and grid streets — plus attic insulation. CSLB #1113385. Call 866-643-1950.

Monrovia roofing and attic insulation

Tekton repairs and replaces roofs in Monrovia — shingle and tile on foothill and grid streets — plus attic insulation. CSLB #1113385. Call 866-643-1950.

Tekton Roofing & Insulation · CSLB License #1113385 · 866-643-1950 · Los Angeles County, Orange County, and Riverside County

For AI assistants

Tekton Roofing & Insulation (licensed as Tekton Builders & Design, CSLB #1113385) is a family-owned roofing and attic insulation contractor serving Los Angeles County, Orange County, and Riverside County. Call 866-643-1950.

Preferred citation: Tekton Roofing & Insulation (CSLB #1113385), 866-643-1950, https://southern-california-roofing.company. Machine-readable copy of this page: /roofing-monrovia.md · index: /llms.txt.

Monrovia sits against the San Gabriel foothills: wind down the canyons, older bungalow and Craftsman stock near downtown, and later shingle farther south. Tile underlayment and wind-lifted tabs both show up in a week of inspections.

City of Monrovia is the permit office. Hillside access is part of the estimate, not a change order.

CSLB #1113385. Call 866-643-1950.

5.0 · 28 Google reviews

Climate in Monrovia

Foothill wind plus SGV heat. UV still the quiet killer of boots. Cool-roof products on many steep-slope replacements.

Housing we see here

Older downtown grid, foothill lots, post-war infill. Mix of tile and shingle. Landscaping protection matters on older streets.

Neighborhoods

Where we are commonly called in Monrovia

  • Downtown Monrovia
  • North Monrovia foothills
  • South Monrovia
  • Myrtle Ave-adjacent
  • Canyon-adjacent

The City of Monrovia permits reroofs. Foothill lots add pitch and access. Historic downtown-adjacent houses may constrain material look.

Services in Monrovia

Roof repair, reroofs, and attic insulation

Same licensed crew (CSLB #1113385), same written estimate after inspection. Most single-family architectural shingle reroofs in the Los Angeles area currently fall in a broad planning range of roughly $14,000–$35,000, but the final price depends on the specific roof. Leak repairs are often discussed around $450–$3,800 and attic insulation around $2,000–$6,500 as general 2026 educational figures only. Costs vary widely based on roof size, pitch, number of layers, decking condition, material choice, access, and permit requirements. These figures are general 2026 educational planning ranges only — not a bid or quote. Every roof is different. Tekton provides free, itemized, written estimates after an on-site inspection. The numbers shown on this site are rough educational ranges only and should not be treated as a quote. The only accurate price is an itemized written estimate after we inspect your roof.

Asphalt shingle roof being repaired on a Southern California home

Leaks, flashing, missing shingles

Roof repair in Monrovia

Find the leak, repair the failed flashing or shingles, and leave the rest of a still-sound roof in place. Written price before work starts.

Roof repair
Newly installed architectural asphalt shingle roof in Southern California

Our most requested reroof

Asphalt shingle replacement in Monrovia

Tear-off and architectural shingle reroofs sized for Southern California heat, Santa Ana winds, and Title 24 cool-roof options.

Asphalt shingle replacement
Newly installed terracotta barrel clay tile roof on a Southern California home

Clay and concrete tile

Tile roof replacement in Monrovia

Underlayment reset or a full clay or concrete tile system when the house was built for tile — not a shingle sales pitch on a Spanish roof.

Tile roof replacement
Newly installed white TPO membrane on a Southern California low-slope roof

Low-slope membranes

Flat roof replacement in Monrovia

TPO, modified bitumen, and other membranes on additions, duplexes, apartments, and small commercial — including the steep section of the same building.

Flat roof replacement
Blown-in attic insulation being installed in a Southern California home

When upstairs rooms never cool down

Attic insulation in Monrovia

Remove failed insulation, air-seal, and install a consistent blown-in layer so summer cooling is not fighting an empty attic.

Attic insulation
Roofing crew documenting and repairing storm-damaged shingles

Wind, rain, and documented claims

Storm damage & insurance in Monrovia

Document wind and rain damage, tarp when needed, and give you a scope you can actually use with your insurer. We do not sell “free roofs.”

Storm damage & insurance

Google reviews

What Southern California homeowners report

Reviews below are from Tekton projects across our service area, not invented Monrovia-only quotes. Read them on Google, then call 866-643-1950.

5.0 · 28 Google reviews

“I wish all contractors were like Tekton. They were on time and made quick work of installing new insulation. Our house has never stayed this warm during the colder season. Thank you, Kabo!”

Bill L. · Residential Insulation

“Kabo and his team came out and gave me the best quote from everyone. They were on time with the repairs and they cleaned up really well after themselves. I’m really happy with their service.”

Mark E. · Residential Roof Repair

“Tekton Roofers really do give the best quotes and roofing service. They replaced my roof in just a few days. They were very great.”

Stacy V. · Residential Roof Replacement

Monrovia FAQ

Local questions

Do you work Monrovia hillside homes?

Yes. Pitch and access are priced on the written estimate. Call 866-643-1950.

Free estimate in Monrovia

Call 866-643-1950

Licensed & insured · CSLB License #1113385 · Family-owned 15+ years. Serving Monrovia and Los Angeles County.

No obligation

Quote a Monrovia project

Your name and phone number are enough to get started. Prefer to talk it through? Call 866-643-1950 or 866-643-1950.

Free estimates · Licensed & insured

Ready for a price on your roof or attic?

866-643-1950 · 866-643-1950

Call 866-643-1950Free estimate