About Us


Ensure your Investments receive the protection and aesthetic integrity they deserve. At Excellco we provide property owners and general contractors premium painting, waterproofing, and traffic coating services.

Our History

We are a family owned and operated  painting and waterproofing contractor with over 30 years of experience. Throughout our career, we have maintained a reputation for quality work, impeccable safety, and friendly business relations. Our lasting relationships with both employees and clients attest to our character as a trustworthy and reliable contractor serving the greater Bay Area.

Contact Us

Whether you are a general contractor, owner, product rep, or architectural firm, feel free to contact us for more information about our services!

Our Staff

Jeffrey Peck

Principal & Chief Estimator

After hitch hiking from Ohio to California, Jeff attended UC Berkeley where he received his degree in English Literature. After working side jobs as a painter, he formed his own business as a contractor and has operated in the Bay Area ever since. With a functional mix of dream and drive, he has accrued an impressive body of knowledge in many fields. Ask him about his latest development quest!

Zack Peck

Principal & Project Manager

Zack spent his young adulthood as an academic. After receiving his history degree at Santa Clara University, he traveled across the pond to London to earn a graduate degree in international relations. Through working various research positions, he learned that the contracting lifestyle fit better than a suit and tie. 

Jose "Armondo" Lopez

Head Foreman 

Armondo has been an integral part of our business for 30 years. As a young man fresh from El Salvador, he quickly established himself as a capable and trustworthy tradesman. You will be hard pressed to find a superintendent who doesn't appreciate his range of skills, attention to detail, and quick wit. A true jack of all trades, he will make sure the job gets done while keeping a smile the whole time.