Firm History

Matson & Vallerga Architects Inc. is the successor to the architectural firms of F.T. Georgeson & Associates, Gerald D. Matson, Architect, & Matson & Nielson Architects.

Our firm was established when Gerald D. Matson Purchased the Eureka Office of Franklin T. Georgeson Architects in 1954 and has operated out of its current location in Eureka since 1960.  Peter L. Vallerga Joined the firm in 1960.  In 1999 the firm underwent a name change from Gerald D. Matson Architects, Inc., to Matson & Vallerga Architects, Inc.  The firm was managed by Peter L. Vallerga following Mr. Matson's retirement in 1986, with Mark A. Gaxiola taking over management in 2005.


Mark A. Gaxiola, AIA
California Licensed Architect -
No. C-23899
Principal Architect / Lead Designer

Mark has been involved in all aspects of design and consultation including, Client Contact, Preliminary Design, Schematic Design, Design Development, Cost Estimating, Project Planning, Specifications, Construction Observation and Contract Administration, and State Agency Coordination for Projects Ranging from Residential to Schools and Hospitals.  Mark has extensive experience in projects in Southern California, especially San Diego County, and in Northern California with projects reaching into Southern Oregon.



Judy A. Egan
Certified Interior Designer
CCIDC—NO. 2348 (California Council For Interior Design Certification)

Judy is involved with the Development of Finish Materials, Construction Drawings, Specifications, Construction Administration and Interaction with Various Review Agencies for Educational, Commercial, Residential, Medical and Retail Projects.  Judy has extensive experience with projects in both Northern & Southern California.
Jason A. Brownfield
California Licensed Architect -
No. C-34692
LEED Green Associate

Jason Provides Design of New and Renovation Projects, Space Planning, Construction - Drawings, Specifications, Project Management, Construction Administration and Interaction with Consultants and Various Review Agencies for Commercial, Educational, Medical and Residential Projects. Jason has experience with projects in Northern California and the State of Utah.
Virginia W. Irving
Office Manager
State Agency Advocate

Ginger performs daily office and managerial duties, Provides Specifications Coordination and is a State Agency Advocate for our clients.

Now celebrating 60 years!

3234 T Street, Eureka, CA 95503,  Telephone: (707) 443-1669,  Fax: (707) 443-4792

3234 T Street

Eureka, CA 95503

Ph: (707) 443-1669

Fax: (707) 443-4792

Serving the areas of Central California through Southern Oregon.