Welcome Building Maintenance

Welcome Building Maintenance Serving the Bay Area since 1978! COMMERCIAL JANITORIAL
PRESSURE WASHING
SOLAR PANEL CLEANING
DAY PORTER SERVICES
RESIDENTIAL COMMUNITY MAINTENANCE

Cleaning since 1978 !!
04/20/2026

Cleaning since 1978 !!

Whatever you want WBM can wash it..call today
02/23/2026

Whatever you want WBM can wash it..call today

01/20/2026

Since 1978

01/16/2026

Another winter season wrapping for gutter cleaning
If you still have properties that require call us 925 288 1911

01/07/2026

Crew still going strong clearing thousands of feet of gutters this season in Rossmore, WC.

01/02/2026

Property managers and owners of parking garages CALL WELCOME
925 288 1911

12/10/2025
11/06/2025

In a world where birds rule the rooftops… one robot rises to clean it all
09/05/2025

In a world where birds rule the rooftops… one robot rises to clean it all

Address

5046 Commercial Circle, Ste D
Concord, CA
94520

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm

Telephone

(925) 288-1911

Website

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