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

Add House Washing and Pressure Washing for discounts too ! Call 925 586 4892
06/15/2026

Add House Washing and Pressure Washing for discounts too ! Call 925 586 4892

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

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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