Call Us: 707-965-2425

Meet Our Team

At Helmer & Sons, we see the experience, commitment, and loyalty of our owners and employees as a major company strength with particular value for our clients. Most have been with the company for many years, making the business and its projects successful through their reliability and expertise.

*email – All email addresses are


Maurice Helmer, President & Sitework Division
707.965.2425  ·  email maurice@
As the president and company-wide manager, Maurice handles daily business management and is the primary owner contact for all banking, bonding, legal, and insurance services. Maurice is also the primary sitework manager, responsible for project management of all grading and paving activities including contract review, job coordination, and change order negotiation. He has over 30 years of experience in construction management and project management and is a licensed civil engineer.

Douglas Helmer, Building Division
office 707.965.2425  ·  email doug@
As the owner responsible for the building division, Doug has been responsible for estimating, field supervision, project administration, project controls, and engineering support for a wide variety of projects. Doug has over 30 years of experience in industrial and residential construction, and is proficient with many software applications such as Timberline Estimating package, Microsoft Project, and Microsoft applications.

Curtis Helmer, Sitework—Grading
office 707.965.2425  ·  email curtis@
Curtis leads the grading estimating for the Helmer & Sons sitework division. Curtis joined the family business at its beginning in 1975 and has many years of experience with all types of heavy equipment.

Dennis Helmer, Sitework—Paving
office 707.965.2425  ·  email dennis@
Dennis oversees the paving operations for the Helmer & Sons sitework division. With over 30 years of experience in general engineering (sitework and paving), construction, and project supervision, he is an experienced grade checker, heavy equipment operator, finish blade operator and paver. He supervises crews and subcontractors on both small and large projects for private and public entities.

Phone & Fax

707.965.2425 Phone
707.965.2982 Fax

Visit Us

910 Howell Mountain Road North
Angwin, CA 94508
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Mailing Address

P.O. Box 868
Angwin, CA 94508