Office Locations
Flatiron Regional Offices
Corporate Headquarters and Intermountain Region
Longmont (Denver area), CO Office
P.O. Box 2239
Longmont, Colorado 8050210090 East I-25 Frontage Road
Longmont, Colorado 80504
Phone: 303-485-4050
Fax: 303-485-3922
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Heavy Civil Division
Lafayette (Denver area), CO Office
1380 Forest Park Circle
Suite 202
Lafayette, Colorado 80026
Phone: 303-485-4050
Fax: 303-776-0072
Click to View a MapMorrisville (Raleigh area), NC Office
215 Southport Drive
Suite 1400
Morrisville, North Carolina 27560
Phone: 919-460-5393
Fax: 919-460-5708
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Canadian Division
Richmond, BC Office
Suite 400 - 13955 Bridgeport Road
Richmond, British Columbia V6V 1J6
Phone: 604-244-7343
Fax: 604-244-7340
Click to View a MapCalgary, AB Office
101 - 178 96th Avenue NE
Calgary, Alberta T3K 6G4
Phone 403-567-9645
Fax 403-567-0814
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Western Region
Benicia, CA Office
2100 Goodyear Road
Benicia, California 94510
Phone: 707-742-6000
Fax: 707-746-0849
Click to View a MapSan Marcos, CA Office
1770 La Costa Meadows Drive
San Marcos, California 92078
Phone: 760-916-9100
Fax: 760-916-9101
Click to View a MapAmerican Fork, UT Office
195 East 600 South
American Fork, UT 84003
Phone: 801-756-0404
Fax: 801-756-1184
Click to View a MapFlatiron Eletrical Group
15701 Heron Ave.
La Mirada, California 90638
Phone: 714-228-9631
Fax: 714-228-9635
Click to View a MapFlatiron Underground Group
14850 Central Avenue
Chino, California 91710
Ph. 909-597-8413
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