Structural Engineers locations near Middletown, CA

Showing 1–9 of 9 results

We track 9 structural engineers listings in and around Middletown, CA, spread over 4 ZIP codes. Listings here were last checked in Oct 2026.

Updated Oct 2026

H&H Engineers

Engineering Consultants

📍 21152 Calistoga St Ste 205, Middletown, CA, 95461

📞 707-987-9908

🌐 www.hh-engineers.com

Civil Engineering and Surveying.

Updated Oct 2026

RGH Geotechnical & Environmental Consultants

Engineers Geotechnical

📍 21605 Dry Creek Rd, Middletown, CA, 95461

📞 707-987-4602

🌐 rghgeo.com

RGH Geotechnical & Environmental Consultants is an engineering firm located in Middletown, California. The company specializes in geotechnical and environmental consulting services. It has an active online presence as of 2026, indicating ongoing engagement with clients and the community.

Roadway Engineering Works Inc

Engineer And Architect Services

📍 21389 Stewart St, Middletown, CA, 95461

📞 707-355-9232

Roadway Engineering Works Inc.

Engineers Electrical

📍 17568 Spruce Road Ext Ste B, Hidden Valley Lake, CA, 95467

📞 707-987-8434

Knobbs' Audio - Foh Engineer And Sound Consultant

Sound Control Structures & Equipment

📍 Serving Your Area, Clearlake, CA, 95422

📞 707-995-3229

🌐 www.knobbsaudio.com

FOH / MON Live Sound Engineering, Sound Systems, for almost any Event, Concert or a private party. Analog and Digital Recording, in house or on location. SM / PM experienced also.