Facility	City	Industry	Status	Distance
Sunset Stone	Castle Rock	Other Concrete Product Manufacturing 327390	ACTIVE	2.8 KM
Aggregate Industries - Castle Rock Plant	Castle Rock	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	3.5 KM
Martin Marietta Castle Rock Ready Mix	Castle Rock	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	4.3 KM
Schmidt Const CO INC Mencenberg Quarry	Castle Rock	Asphalt Paving Mixture and Block Manufacturing 324121	LIKELY ACTIVE	10.4 KM
Aggregate Industries Wcr INC Franktown Ready Mix Plant	Franktown	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	9.8 KM

Every listed plant in Douglas County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 6 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 AIR, AIRS/AFS, EIS, TRIS · EPA site type STATIONARY.

EPA Facility Registry ServiceEXISTENCE
Record 110008060926 · first seen JUN 2017 · last seen JUN 2017
EPA ECHO compliance recordsOPERATING
first seen JUN 2012 · last seen JUN 2012

IN DOUGLAS COUNTY25 other plants share this one’s industry (Cement and Concrete Product Manufacturing, NAICS 3273); 7 of them have 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: READY MIXED CONCRETE CO PLANT 6 · NOV 2026
Street address: EPA: 2801 NORTH US HIGHWAY 85 · NOV 2026
City: EPA: CASTLE ROCK · NOV 2026
State: EPA: CO · NOV 2026
County (FIPS code): EPA: 08035 · NOV 2026
Coordinates: EPA: 39.403508,-104.87044 · NOV 2026

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