Preferred Building Services
Commercial services · South San Francisco, California
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Products & Services
About Preferred Building Services
Preferred Building Services provides complete janitorial and personalized maintenance programs that cater to any job size. We know the demands of high quality and consistent service. Since 1992 we have done business that upholds trust and satisfaction.
Its primary NAICS classification is 561720 (Janitorial Services). Preferred Building Services is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (650) 8690067
- Address
- 400 Oyster Point Blvd, South San Francisco, California, 94080, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5617Services to Buildings and Dwellings
- 561720Janitorial Services
SIC Codes
- 45Transportation By Air
- 458Airports, Flying Fields, And Airport Terminal
- 4581Other Airport Operations
Company Details
- Employees
- 115 (101-250)
- Annual Revenue
- $6.3M ($5M-$10M)
Preferred Building Services: frequently asked questions
What does Preferred Building Services do?
Preferred Building Services provides complete janitorial and personalized maintenance programs that cater to any job size. We know the demands of high quality and consistent service. Since 1992 we have done business that upholds trust and satisfaction.
Where is Preferred Building Services located?
Preferred Building Services is headquartered at 400 Oyster Point Blvd, South San Francisco, California, 94080, United States.
How many employees does Preferred Building Services have?
Preferred Building Services has about 115 employees (the 101-250 range).
What is Preferred Building Services's annual revenue?
Preferred Building Services's annual revenue is estimated at $6.3M (the $5M-$10M range).
What industry is Preferred Building Services in?
Preferred Building Services is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561720 (Janitorial Services).
How can I contact Preferred Building Services?
Its website is preferredbuildingservices.com and its phone number is +1 (650) 8690067.
What companies are similar to Preferred Building Services?
Other large industrial & mechanical companies in California include State of California, TD SYNNEX Corp, University of California and Ingram Micro Holding Corp.
Largest industrial & mechanical companies in California
Largest companies in California
Largest industrial & mechanical companies
Manufacturing sales in California, 2026
In California, Factur's 2026 study counted 98 manufacturing quotes worth $14.7M and 18 purchase orders over 12 months: 18% of quotes became orders, against 21% nationally. See the California data.
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