Commercial Janitorial

We Bust the Dust in Your Workplace With 30+ years in the business, Welcome Building...

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Parking Lot Maintenance

Parking Lot Maintenance is an integral service that we offer to our customers. The appearance...

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Pressure Washing

At Welcome, safety comes first and our crew comes prepared!  Our technicians are fully trained...

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Solar Panel Cleaning

Let Welcome protect your bright investment with our Comprehensive 10 Point Cleaning Process for your...

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Residential Community Maintenance

It would be our pleasure, as a premier Maintenance provider, to work with your Residential...

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Call Us !  (925) 288-1911

Welcome Building Maintenance Serving the bay area since 1978!

Our staff and management Welcome the opportunity to serve and offer you, our valued customer, an array of professional services for Commercial and Residential properties. Being proud of the reputation that precedes us, we provide you with quality service at a fair price that will not clean out your wallet.


Latest News



Welcome Building Maintenance Launched!

Welcome to our new website. Browse the site and give us a call to discuss ...

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