EXPERIENCE & TEAMWORK
= PEACE OF MIND
CORPORATE JANITORIAL
AVAILABLE 24 HOURS A DAY
HARNESSING BRILLIANCE
MAXIMUM EFFICIENCY SOLAR CLEANING
FAST AND EFFICIENT
mold, grime and mud from surfaces .
More than 45 Years of Experience
Welcome Building Maintenance
Proudly serving the Bay Area since 1978
Headquartered in Concord, Ca, our janitorial experts will respond to your needs 24/7. No matter when you call, direct communication with our management produces efficient results. WBM’s cleaning and maintenance services create a safer place for you, your employees, and your customers.
Read MoreOur Services
We fix, we clean, and we maintain!
Commercial Janitorial
Retail Center Maintenance
Residential Community Maintenance
Pressure Washing & Parking Lot Sweeping
Solar Panel Cleaning
Quality Commercial Janitorial Maintenance Services
Serving the Bay Area since 1978
Welcome Building Maintenance knows what keeps our customers happy… a clean and safe work environment! Our team of dedicated professionals is equipped with the expertise and industry-leading tools to ensure your commercial space shines.
- Carpet cleaning
- Window Washing
- Hard Flooring Scrub and Seal
- General Maintenance
- Office Detailing
Our Services
We fix, we clean, and we maintain!
Commercial Janitorial
Retail Center Maintenance
Residential Community Maintenance
Pressure Washing & Parking Lot Sweeping
Solar Panel Cleaning
Quality Commercial Janitorial Maintenance Services
Serving the Bay Area since 1978
Welcome Building Maintenance knows what keeps our customers happy… a clean and safe work environment! Our team of dedicated professionals is equipped with the expertise and industry-leading tools to ensure your commercial space shines.
- Carpet cleaning
- Window Washing
- Hard Flooring Scrub and Seal
- General Maintenance
- Office Detailing
Effective Retail Maintenance is Essential for Creating a Positive and Welcoming Environment for Shoppers and Visitors
Clean and well-maintained retail centers are more likely to attract customers and encourage them to stay longer, leading to increased business for the stores within the center. Additionally, maintaining a high level of cleanliness helps to promote health and safety for both employees and customers.
- Day Porter Service
- Junk Removal and Hauling
- Pressure Washing
- Parking Lot Sweeping
- Graffiti Removal
Commitment to Excellence Ensures Every Corner of Your Community is Sparkling Clean and Maintained
We strive to exceed expectations and and make your community living experience truly exceptional by creating a safe and comfortable place to call home. This is attained through attention to detail and teamwork.
Here are some of the many services that we offer:
- Grounds Keeping
- Gutter Downspout Clearing
- Dryer Vac-Cleaning
- Window Washing
- Carpet Cleaning
Revive Your Surfaces, Reveal the Beauty: Hire Our Commercial Pressure Washing and Street Sweeping Experts
Revive and renew! Restoring brilliance to your property with pressure washing and parking lot cleaning. Our high-speed sweepers are designed to cover large areas quickly and effectively. We are pleased to offer the full range of commercial property maintenance services including:
- Walkways for Commercial & Retail Centers
- Building Facade
- Trash Enclosures
- Graffiti and Gum Removal
- Garages and Stairwells
Maximize Your Investment With Our Energy-Efficient Solar Panel Cleaning Practices
We have adopted energy-efficient solar panel cleaning processes to ensure that your solar panels maintain their maximum efficiency while minimizing energy consumption. Our expert team is equipped with specialized tools and knowledge to clean your panels thoroughly, restoring their peak performance.
- Residential Services
- Commercial Services
- Industrial Services
Our Testimonials
Dryer Vent Cleaning
Excellent and professional work. Cleaned out my dryer vent in a very tight spot!
Read moreDetail Oriented
We had a great experience with Eric and his team! They are very detail-oriented and nice to work with. Give them a shot.
Read morePressure Washing
Best pressure washers in the East Bay! Great pricing for such a quality job. These guys rock!
Read moreNo Job Too Big for Them
What a pleasure its been to with Eric at Welcome Building Maintenance for the last 2 years. Always responsive and proactive, there is no job too big or too small for them, and always competitively priced!
Read morePressure Washing & Parking Lot Maintenance
As the owner of a small business, I appreciate the reliability, and professionalism that I found with Welcome! We use Welcome for all of our pressure washing, and parking lot maintenance, and they continue to exceed expectations.
Read morePower Washing
Welcome Building Maintenance was recommended by another vendor we use for our vehicle dealerships. What a great recommendation! Eric & his team are efficient & prompt. We've used them several times in less than 1 year. Keep up the great work WBM!
Read morePower Washed Deck
We've had our IPE deck power-washed at least 3 times in the past 15 years, and Welcome was by far our best experience. Our deck looks beautiful (a friend thought it was new). They were on time, fast, professional. Will definitely use them again.
Read morePower Washed Deck
Welcome Building Maintenance provided us with a fantastic deep-cleaning experience. Danny, the technician who conducted the deep cleaning, was professional and knowledgeable, and he was extremely respectful towards our employees.
Read morePressure Washing
Professionalism, Punctuality, Quality, Responsiveness, Value
Welcome Building Maintenance did a fantastic job on our power washing project. Easy to work with, took their time to be sure it was done right, and very professional. Highly recommend!!
Get in touch
Request a consultation
Have Questions? We are here to listen to your janitorial needs and find the best solution to keep your home and business clean.
News & Blog
Our Latest News Post And Articles
Welcome Building Maintenance Launched!
Welcome to our new website. Browse the site and give us a call to discuss your building maintenance needs and give you a quote. We are happy to answer any questions you may have.
Commercial Solar Panel Cleaning
What to know about maintaining your commercial solar panel investment.
Apart from lowering the carbon footprint of
How to Best Clean Your Commercial Solar Panels
You've made the commitment to take your commercial property solar! You recognize the good investment that you've made and are committed to protecting it an