Facility	City	Industry	Status	Distance
Aggregate Industries - Castle Rock Plant	Castle Rock	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	0.9 KM
Martin Marietta Castle Rock Ready Mix	Castle Rock	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	2.0 KM
Ready Mixed Concrete CO Plant 6	Castle Rock	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	2.8 KM
Schmidt Const CO INC Mencenberg Quarry	Castle Rock	Asphalt Paving Mixture and Block Manufacturing 324121	LIKELY ACTIVE	8.0 KM
Aggregate Industries Wcr INC Franktown Ready Mix Plant	Franktown	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	10.0 KM

Every listed plant in Douglas County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 9 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 OSHA-OIS.

Colorado Secretary of State business registryOPERATING
Record CO:20228236546 · first seen MAR 2026 · last seen MAR 2026
OSHA injury and illness reportsOPERATING
Record 1230161 · first seen DEC 2025 · last seen DEC 2025
SBA Paycheck Protection Program loan recordsEXISTENCE
Record CO|castle rock|702 prairie hawk dr · first seen APR 2020 · last seen APR 2020
EPA Facility Registry ServiceEXISTENCE
Record 110070282348 · first seen SEP 2018 · last seen SEP 2018

IN DOUGLAS COUNTY25 other plants share this one’s industry (Cement and Concrete Product Manufacturing, NAICS 3273); 6 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: SUNSET STONE · OCT 2026
Street address: EPA: 702 PRAIRIE HAWK DRIVE · OCT 2026
City: EPA: CASTLE ROCK · OCT 2026
State: EPA: CO · OCT 2026
Coordinates: EPA: 39.37866,-104.86879 · OCT 2026
Employees (band): OSHA: 20-99 · DEC 2025
Year established: CO SOS: 2022 · DEC 2022
PPP loan: SBA PPP: PPP loan x1, approved 2020-04-08, 73 jobs reported · APR 2020
State business registration: CO SOS: Sunset Stone, LLC, registered with the Colorado Secretary of State; Limited liability company; formed 2022-12-22; active, annual report filed 2026-03-09 · MAR 2026

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