Pasadena Roofing Contractor for Homes & Businesses
Licensed, Bonded, Insured, DIR Registered, and California SB(Micro) Certified Roofing Contractor — proudly serving commercial, residential, and public sector clients throughout California.
*Must be mentioned at the time of your initial consultation to qualify. Discount applied to standard roofing pricing only — not valid on already-discounted or specially priced work. Cannot be combined with any other offer, discount, or promotion. Void if not mentioned prior to project agreement.
Get Your Free Roof Inspection
Fast response during business hours. Emergency calls answered 24/7.
🔒 Your info is private. No spam, ever. Or call us directly at (844) 867-2259
Book Your Free Inspection Online Message us on WhatsApp for a quick replyWhy Property Owners Choose TopCal
Industry-recognized, community-trusted — the credentials that set us apart from every other roofer in Los Angeles County.
CSLB Licensed Contractor
California State License Board C-39 Roofing License #1112937. Fully licensed, bonded, and insured — verified contractor in good standing.
DIR Registered
Department of Industrial Relations registered public works contractor — qualified for city, county, school district, and state-funded roofing projects.
California SB(Micro) Certified
California Certified Small Business (Micro) — meeting state certification standards for public procurement and government contracting opportunities.
Owens Corning Certified
Certified by Owens Corning — North America's largest roofing manufacturer — with access to enhanced warranties and premium roofing systems.
SAM & UEI Registered
Registered in the System for Award Management (SAM) and Unique Entity Identifier (UEI) — eligible for federal contracts and government procurement.
Fully Bonded & Insured
Complete liability coverage and contractor's bond — protecting your property, your investment, and your peace of mind on every project.
Malarkey Certified Installer
Authorized Malarkey installer — delivering industry-leading shingles with superior wind resistance, impact rating, and environmental performance.
5-Star Rated Across Platforms
Top-rated on Google, Yelp, Angi, BBB, Thumbtack, and BuildZoom. Over 500 completed projects with an unblemished 5-star reputation.
Roofing Services for
Homes, HOAs & Commercial Buildings
Whether you own a single-family home or a large commercial complex, TopCal delivers expert roofing solutions for every property type — on time and on budget.
Residential Roofing
Complete solutions for single-family and multi-family homes — new installs, re-roofing, full replacements, and repairs using Owens Corning premium shingles.
Learn MoreCommercial Roofing
TPO, EPDM, torch-down, and coatings for offices, retail centers, warehouses, HOAs, and industrial buildings — engineered for longevity with minimal disruption.
Request Commercial QuoteRoof Replacement
Full roof tear-off and replacement using premium materials. We handle all permits, disposal, and leave your property spotless after every job.
Learn MoreRoof Repair & Maintenance
Expert diagnosis and repair of leaks, damaged flashing, cracked tiles, and structural issues — preserving your roof and preventing costly damage.
Learn MoreSolar-Ready Roofing
Future-proof your home with a solar-ready roof installation — reinforced decking, upgraded flashing, and optimized layout for maximum solar output.
Get Free QuoteEmergency Roof Repairs
Storm damage? Active leak? We provide 24/7 rapid-response emergency service across all of LA County — same-day inspections available.
Learn MoreSimple. Transparent. Stress-Free.
From the first call to the final walkthrough — every step is designed to make your roofing project easy and worry-free.
Free Inspection
Our certified inspector arrives on-site, conducts a thorough assessment, and documents all findings with photos — completely free of charge.
Custom Estimate
We provide a detailed written estimate with transparent, itemized pricing — no hidden fees, no surprises. You choose the materials and timeline.
Expert Installation
Our licensed crew handles all permits and completes the installation with precision — on time, on budget, and with zero compromise on quality.
Final Walkthrough
We walk you through the completed project, confirm your total satisfaction, and provide all warranty documentation before we consider the job done.
Pasadena Roofing Experts
with 17+ Years of Experience
Founded in Pasadena and rooted in the San Gabriel Valley, TopCal Roofing has built a strong local reputation for quality workmanship, clear communication, and dependable service for homeowners and businesses across Los Angeles County.
Our team uses manufacturer-approved installation techniques and premium materials from Owens Corning and Malarkey — helping every roof we install stand up to California's demanding climate for decades to come.
Recent Roofing Jobs
Real projects across Los Angeles County. Tap a job to see all photos.
What Our Customers
Say About Us
500+ five-star reviews across Google, Yelp, Angi, and BBB. These are real stories from real homeowners and business owners in Los Angeles County.
"TopCal replaced our roof in just 2 days — the crew was professional, clean, and the quality is outstanding. Best contractor experience I've ever had. Highly recommend to anyone in Pasadena!"
"After a major storm damaged our roof, TopCal came out the same day and handled everything — including our insurance claim from start to finish. Absolutely exceptional service."
"Professional from inspection to cleanup — the new roof looks absolutely amazing and the price was very fair. I'd give them 10 out of 10. Don't hesitate to call these guys."
"TopCal was incredibly professional throughout the entire process. My new tile roof looks stunning and I've already had neighbors ask who did the work. Couldn't be happier!"
"Our commercial warehouse needed a TPO re-roof on a very tight schedule. TopCal delivered on time and under budget — the quality is incredible and the crew kept our facility operational throughout."
"I called at 11pm about an emergency leak and someone picked up immediately. By 8am the next morning, the team was on my roof fixing the problem. This is what 5-star service really looks like."
Roofing Service Areas
Across Los Angeles County
From Pasadena to Long Beach, from Santa Monica to Pomona — TopCal Roofing serves every community in Los Angeles County with the same award-winning quality and service.
Ready for Your
Free Roof Inspection?
Contact us by phone or online form. We respond to all inquiries within 30 minutes during business hours and same-day on weekends.
Office Location
530 S. Lake Ave, Pasadena, CA 91101
Business Hours
Mon–Fri: 7:00 AM – 6:00 PM
Saturday: 8:00 AM – 2:00 PM
Sunday: Closed (Emergency 24/7)
License & Credentials
CSLB License #1112937 (C-39)
DIR Registered · SB(Micro) Certified
SAM & UEI Registered · Bonded & Insured
🏆 Named San Gabriel Valley's Top Roofing Company 2025
CSLB Licensed • DIR Registered • SB(Micro) Certified • SAM Registered • Owens Corning Certified • Bonded & Insured
Request Your Free Inspection
Fill out the form and our team will contact you within 30 minutes. Or call (844) 867-2259 anytime.
🔒 Your information is kept private. Or call us anytime at (844) 867-2259