Roofing Contractor Members
Our members are licensed, insured, professional roofing and waterproofing contractors located throughout Northern California who exclusively employ highly skilled union craftsmen.
Each of our member pages includes information about the contractor’s license, certifications and qualifications, as well as address and contact information. Feel free to browse our listings.
SERVICE, QUALITY AND COMMITMENT ARE MORE THAN WORDS TO ALCAL SPECIALTY CONTRACTING, INC. AND ITS FAMILY OF COMPANIES; THEY ARE A WAY OF LIFE.
With the highest quality roofing systems, insulation and waterproofing services in Northern California, Hawaii and as far away as Guam, whether residential or commercial, Alcal will protect you from the elements.

- 510.477.9380
- 42950 Osgood Road
Fremont, CA 94539-5627
- 415.587.5869
- 1400 Wallace Avenue
San Francisco, CA 94124
- 408.261.2595
- 630 Martin Avenue
Santa Clara, CA 95126
- 510.777.1100
- 2161 Adams Avenue
San Leandro, CA 94577
- 510.886.7240
- 4301 Bettencourt Way
Union City, CA 94544