Facility	City	Industry	Status	Distance
Hanson Aggregates Mid-pacific INC	San Luis Obispo	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	0.2 KM
Calportland CO San Luis Obispo	San Luis Obispo	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	0.8 KM
Alliance Ready Mix	Arroyo Grande	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	24.5 KM
Calportland CO Paso Robles Plant	Templeton	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	37.4 KM
Mid State Concrete Products LLC	Santa Maria	Other Concrete Product Manufacturing 327390	LIKELY ACTIVE	38.7 KM

Every listed plant in San Luis Obispo County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in CARB-TCH, EIS, TRIS · EPA site type FACILITY.

OSHA injury and illness reportsOPERATING
Record 1156472 · first seen DEC 2025 · last seen DEC 2025
EPA Facility Registry ServiceEXISTENCE
Record 110071811870 · first seen JUN 2017 · last seen JUL 2024

IN SAN LUIS OBISPO COUNTY25 other plants share this one’s industry (Cement and Concrete Product Manufacturing, NAICS 3273); 1 of them has a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name: EPA: AIR-VOL BLOCK · OCT 2026
Street address: EPA: 1 SUBURBAN RD · OCT 2026
City: EPA: SAN LUIS OBISPO · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06079 · OCT 2026
Coordinates: EPA: 35.24394,-120.6754 · OCT 2026
Employees (band): OSHA: 20-99 · DEC 2025

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