Service excellence at the most competitive prices. 

Find out why Building ONE really is NUMBER 1!


Building ONE is a Woman Owned and Family Operated, full-service commercial cleaning facility and building company with our head office located in Connecticut. Our 30+ years of experience allows us to provide you with customized products and services to meet the needs of your facility.


Our diversified, experienced team covers the wide range of facilities. Each team member is highly trained and current on “GREEN CLEANING” products and procedures.


Big or small, each facility is equally important to us. We pride ourselves on attention to detail, high quality control standards and responsiveness, which has provided us with long-term, lasting relationships forming the foundation of our success.

Building one, building one facility services, commercial cleaners, cleaning company, cleaning company ct, commercial cleaning near me, facility services, janitorial services, cleaning services, commercial cleaners, building services, building cleaning, handyman services, construction cleaning, building cleaning, porters, commercial cleaners Connecticut, commercial cleaners ct, cleaning jobs, trabajos de limpieza, carpet cleaning, window cleaning, medical cleaning

We were the FIRST building service company in Connecticut to purchase and begin using the latest cutting edge technology innovated by one of the largest consumer product companies in the world. Our investment into this advancement in disinfection allows us to handle almost any form germ or illness a facility may encounter, with CDC verified kill claims.

CORE Values

The Building ONE team are committed to these important values.


WE believe in fostering a SAFE and ENVIRONMENTALLY friendly culture.


WE support, value and respect our colleagues, working together as a TEAM.


WE value HONESTY and INTEGRITY above everything

else we do.


WE hold ourselves ACCOUNTABLE 

and take PRIDE in everything we do.


WE put current and 

future CUSTOMERS needs at the heart of everything we do.


Click on the below map to see which States Building ONE currently serve. If you're located in another State please feel free to contact us to discuss your facility needs.






CURRENT Locations

CT: Connecticut

NY: New York

NJ: New Jersey

MA: Massachusetts

RI: Rhode Island



B1 Brochure

DOWNLOAD Our Building

ONE Brochure Factsheet Here.