FRS Brownfields

331-333-335 1ST AVE

331-333-335 1ST AVE · LONGMONT, BOULDER County, CO, 80501

Acreage

—

Cleanup status

BROWNFIELDS PROPERTY

Dataset

FRS Brownfields

Mapped

Yes

Redevelopment suitability

Moderate

45/ 100

Site size10/35

Acreage unknown — assumed average footprint.

Grid proximity25/40

Nearest substation ~0.3 mi away. No interconnection-queue activity nearby.

Cleanup status10/25

Status: BROWNFIELDS PROPERTY.

Heuristic estimate based on site size, grid proximity, and cleanup status — not a formal assessment.

Nearby marketplace listings

DC listing

13782-E I-25 Frontage ` Rd

Longmont, CO · 0 ac

0.5 mi

DC listing

Gateway 25 Industrial Park

3772 Puritan Way Erie CO

Louisville, CO · 3 ac

13 mi

DC listing

12170 Tejon St

Westminster, CO · 3 ac

17 mi

DC listing

Grant Street Data Center

Thornton, CO · 12 ac · 3.5 MW

18 mi

Environmental / program records

Program	Program ID	Status	Link
ACRES	267123	BROWNFIELDS PROPERTY	View

Details

Source record ID110072152023

CountyBOULDER

StateCO

ZIP80501

Coordinates40.16022, -105.09907

Geocode sourcesource

Last updated (source)11/12/2025

Grid proximity

Substations (within 25 mi)

TERRY

115 kV

0.3 mi

COUNTY LINE

115 kV

2.1 mi

GOLDEN PONDS TAP

230 kV

2.2 mi

FORDHAM

230 kV

2.4 mi

MEADOW

115 kV

2.5 mi

ROGERS ROAD

115 kV

3.0 mi

HARVARD

115 kV

3.0 mi

NORTHWEST

115 kV

3.1 mi

TAP

115 kV

4.1 mi

DOUGHERTY

115 kV

4.1 mi

Interconnection queue (within 50 mi)

None within 50 mi.

Sources

FRS BrownfieldsOpen