"I liked that the roofer showed me what he was seeing instead of just handing me a list of repairs. He walked through the problem area and explained the condition of the surrounding roofing materials."
Charlie Harris
Corona, CA
Commercial Roofing · Greater LA & SF Bay Area
Commercial Roofing Contractor for Businesses & Property Managers
Protect your building, tenants, and operations. Get a commercial roof inspection and a free estimate for repairs, maintenance, or replacement from a licensed and insured contractor.
- Free commercial roof assessment
- Licensed & insured contractor
- Repairs, maintenance & replacement
5.0 on Google (5 reviews) Licensed & Insured
Request a Commercial Roof Estimate
Tell us about your property. We'll follow up to schedule an assessment.
Licensed & Insured
Fully protected on every project
5★ Google Rating
5+ verified reviews
Free No-Obligation Estimates
Honest pricing, no pressure
Built for Commercial Property Needs
Small roofing problems become expensive ones fast. A free inspection tells you exactly where you stand.
- Active leaks disrupting tenants or operations
- Aging roofs needing budget-ready replacement estimates
- Ongoing maintenance to extend roof life
- Inspections for property management and planning
Why Principal Roofs Services
What You Can Expect From Us
Minimal Disruption
We plan work around your business hours and tenants to keep operations running.
Documented Inspections
Photo-documented findings help owners and managers plan repairs and budgets.
Clear Scope & Pricing
Written estimates with defined scope so decisions and approvals move faster.
Maintenance That Prevents Surprises
Routine maintenance catches small problems before they become costly.
What Our Customers Say
"The roofer began with a detailed inspection instead of assuming the visible damage was the entire problem. He examined the affected section and checked nearby shingles and roofing materials."
Brad White
Corona, CA
"After a heavy rainstorm I noticed a water stain on the ceiling and realized there was probably an issue with the roof. I didn't want to wait until the next storm made the damage worse, so I arranged for a roof inspection."
Stefano Giordano
Corona, CA
"My roof repair was completed without any hassle. Honest people, good workmanship, and everything was finished on time."
Sandra Katherine Paz
Corona, CA
"I had a few loose shingles after a period of strong wind and wanted to deal with them before they caused further trouble. The roofing team inspected the roof and showed me the areas that needed attention. The repair was completed neatly."
Barsha Mondal
Corona, CA
"I liked that the roofer showed me what he was seeing instead of just handing me a list of repairs. He walked through the problem area and explained the condition of the surrounding roofing materials."
Charlie Harris
Corona, CA
"The roofer began with a detailed inspection instead of assuming the visible damage was the entire problem. He examined the affected section and checked nearby shingles and roofing materials."
Brad White
Corona, CA
"After a heavy rainstorm I noticed a water stain on the ceiling and realized there was probably an issue with the roof. I didn't want to wait until the next storm made the damage worse, so I arranged for a roof inspection."
Stefano Giordano
Corona, CA
"My roof repair was completed without any hassle. Honest people, good workmanship, and everything was finished on time."
Sandra Katherine Paz
Corona, CA
"I had a few loose shingles after a period of strong wind and wanted to deal with them before they caused further trouble. The roofing team inspected the roof and showed me the areas that needed attention. The repair was completed neatly."
Barsha Mondal
Corona, CA
Our Recent Roofing Work
Phase 1
Phase 2Roof Replacement
Tear-off phase and crew at work
Phase 1
Phase 2Structural Preparation
Exposed rafters and materials staging
Phase 1
Phase 2Trim and Detail Work
Materials staged and finishing work in progress
How It Works
- 1
Request a commercial estimate
- 2
On-site roof assessment
- 3
Written scope & estimate
- 4
Scheduled work with minimal disruption
Frequently Asked Questions
Schedule a Commercial Roof Assessment
Serving Greater Los Angeles and surrounding areas, from Ventura to Newport Beach, and the San Francisco Bay Area, including San Francisco, San Jose, and Walnut Creek.