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Preferred Building Services

Commercial services · South San Francisco, California

Industrial & mechanicalCommercial services
South San Francisco, California, United States115 employees$6.3M revenue
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Products & Services

Industrial & mechanicalCommercial servicesOffice service

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
IndustryIndustrial & mechanicalCommercial servicesOffice 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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