
Drive time
1 min
Distance
0.0 mi by road
Vulcan Materials' Vallejo facility is a hot-mix asphalt, aggregate and recycled-materials operation at the Lake Herman Quarry. Caltrans currently approves the HMA batch plant with RAP capability through March 11, 2027 and its asphalt-rubber blending plant through January 2, 2027. The site also supplies quarry aggregates and operates a dedicated recycled-materials facility. Caltrans
- Sells to outside contractors · also sells aggregates
- M - F 6:00 AM - 3:15 PM
- On DOT approved list
- Mixes listed
- Scale on site
More details
Serves Vallejo · Benicia · American Canyon · Fairfield · Napa · Solano County · Napa County · North Bay · San Francisco Bay Area
Former Syar Industries Lake Herman operation, now owned by Vulcan Materials. The property contains asphalt, aggregate and recycling operations plus an on-site scale house and materials laboratory. The site's former Vulcan ready-mix operation transferred to CalPortland in June 2026. Current Caltrans approvals include the HMA batch plant and a separate asphalt-rubber blending plant.

















