Service area · Contra Costa County

Commercial Janitorial & Cleaning Services in Walnut Creek

Walnut Creek's office parks and retail centers set a high bar for appearance. American Building Service (ABS) keeps them clean inside and out, with crews and supervisors who know Contra Costa County.

Buildings we clean in Walnut Creek:

We work across Downtown Walnut Creek, the Ygnacio Valley corridor, and Shadelands. We clean:

  • Professional office buildings and business parks
  • Retail centers and shopping plazas
  • Medical and dental offices
  • Financial and professional services offices
  • Mixed-use and residential community common areas
Clean commercial workspace ready for daily use

Services available in Walnut Creek:

  • Nightly janitorial: offices, restrooms, break rooms, and floors
  • Day porter: walkways, restrooms, storefronts, and trash areas at retail centers, plus lobbies and common areas at offices
  • Power washing: sidewalks, courtyards, parking areas, and trash enclosures
  • Window cleaning: storefronts and office glass
  • Landscaping and exterior maintenance: grounds upkeep for retail and office properties

Why Walnut Creek property managers choose ABS:

  • Retail and office experience. Day porter and exterior programs for single sites or multi-property portfolios.
  • Since 1987. Family-owned and focused on the Bay Area.
  • Certified. MBE and WBE certified, Avetta compliant, and CSLB licensed (General B).
  • Bilingual supervision. English- and Spanish-speaking supervisors on every account.

Frequently asked questions:

Do you provide day porters for shopping centers?
Yes. Our porters keep walkways, restrooms, storefronts, and trash enclosures clean during business hours.
Can one contract cover several properties?
Yes. We service portfolios of retail and office properties under one property manager.
What nearby cities do you serve?
Lafayette, Pleasant Hill, Concord, Danville, San Ramon, and the rest of Contra Costa County.

Get a quote for your Walnut Creek property:

We'll walk your property, confirm the scope, and send a written proposal. Call (510) 418-8752 or request a walkthrough below.

Services available