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Company Information

We currently service the following major California cities and surrounding areas: Marin County, Napa County, Sonoma County, Alameda County, San Mateo County, Contra Costa and other Surrounding Counties.


Marin: 415-458-5870
Sonoma: 707-933-9990
Fax: 415-458-5871
sales@sunfirstsolar.com


Hours Of Operation:
Monday – Friday: 9am-4pm
Or by appointment, please visit our Solar Showroom!