Gail Hendersonlast updated: March 2016


Henderson Design Group was established in 1989 by Gail Henderson, principle designer and member of the American Institute of Building Design, (both State and National). Our projects range from bathroom face lifts to a 5,000 square foot live-work space. Henderson Design Group is dedicated to providing well designed solutions to your building goals.


Henderson Design Group provides residential design, site development and construction documentation for custom homes, remodels and additions. We believe in communication with our clients resulting in a teamwork approach to your project. Our expertise in cost-effective solutions lies in our knowledge of structure and our ability to coordinate with outside consultants as required.


The Design Phase -

  • An initial meeting to discuss your project focuses on your needs, dreams, and budget.
  • A site visit provides us with measurements, photographs, and an overview of your property
  • Research at the building department provides building history, codes and zoning information.
  • Initial designs include floor plan and elevations.
  • Fees: Hourly rate + reimbursable expenses. 

The Contract Phase -

  • Development of Construction documents ("blueprints") required for building permit and contractor bid/construction.
  • Coordinate and consult with: Structural, Civil, and Geotechnical Engineers, Surveyors, and Energy Consultants.
  • Fees: Contracted rate + reimbursable expenses.

Contact Gail Henderson

Contact Gail Henderson

Henderson Design Group
1470 Grove Street
P.O. Box 1585
Healdsburg, California  95448
Phone: (707) 433-2843
Fax: (707) 723-0336


Service Area

Statewide service provider in:
  • California

To request additions or corrections to this entry email the Administrator