Better Roofing. Better Communication.
Roof repair, replacement, and inspections for homes and commercial buildings in San Francisco and the Peninsula. Clear written scopes, photo documentation, and regular updates from the first inspection to the final walkthrough.
24/7
Emergency Response
48 hr
Written Proposal After Inspection
1
Point of Contact
Free
Roof Inspections
Check before you hire
Our credentials, in plain sight
CSLB License 1163569
C-39 roofing contractor, active with the State of California
General liability coverage
$1M per occurrence, $2M aggregate
Workers' compensation
Every crew member on your roof is covered
Bonded with the CSLB
Contractor's bond and LLC worker bond on file
Our services
Roofing services in San Francisco and the Peninsula
Residential roofing
Asphalt shingle, modified bitumen, and flat roofing systems for San Francisco and Peninsula homes. Repair, replacement, and maintenance.
Commercial roofing
Modified bitumen and flat roofing for commercial and multifamily properties, planned to limit disruption to tenants.
Emergency repair
Call anytime. Priority response to active leaks, storm damage, and flashing failures.
How it works
Four steps to a better roof
Simple, transparent, and professional from the first call to the final walkthrough.
Call or request
Reach us by phone or submit our online form. We reply promptly, usually within one business day.
Free inspection
We come to your property, inspect the roof, and document the condition with detailed photos.
Written quote
Clear, itemized quote with scope, materials, timeline, and total cost. No hidden fees, no surprises.
Supervised installation
Our crew completes the work on schedule, cleans up the site, and walks you through the finished project.
About us
Roofing expertise backed by project management
Ascender combines hands-on roofing knowledge with the operational discipline of a well-managed business. Every project gets a written scope, a clear timeline, regular updates, and documented quality checkpoints.
Protecting homes, building trust
Durable roofing systems that protect your family and investment with top craftsmanship.
Experienced leadership
Our leadership combines hands-on Bay Area roofing experience with more than 25 years of professional business, management, and organizational experience.
Why choose Ascender
What sets us apart
24/7 emergency line
Roof leaking right now? Call anytime. We prioritize active leaks and respond as quickly as possible to protect your home.
Written proposals within 48 hours of inspection
Itemized line by line: scope, materials and schedule. No vague lump sums.
Single point of contact
One person manages your project from the first call through the final walkthrough. No runaround.
Full project documentation
Progress photographs help explain the work and document important details. Complete transparency and accountability.
Licensed, bonded, insured
CSLB C-39 licensed roofing contractor. Full commercial general liability. Certificates on request.
Thorough job-site cleanup
We perform a complete job-site cleanup and final property inspection before every project completion.
Common questions
Got questions? We have answers.
The most common things Bay Area homeowners ask us before starting a roofing project.
View all FAQHow do I know if I need repair or replacement?+
Do I need a permit for roof replacement in SF?+
How much does a new roof cost in San Francisco?+
Are you licensed and insured?+
Where we work
Serving the San Francisco Bay Area
Request a free estimate
No obligation. We respond within one business day.
Protect your roof today
Call or request a free estimate online. We respond within one business day.