Helena Office:
Monday through Friday
(8 a.m. to 5 p.m. MST)

P.O. BOX 5653
825 Custer Avenue
Helena, MT 59601
Phone: 406-447-5000
Toll Free: 1-800-667-8160
Fax: 406-447-5036
 

Kalispell Office:
Monday through Friday
(8 a.m. to 5 p.m. MST)

P.O. Box 5100 
100 Cooperative Way 
Kalispell, MT 59903-5100 
1-866-420-2023 
1-406-752-5025 

If you would like to reach our firm by email, please contact: kelly@rpa-hln.com

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Robert Peccia & Associates (RPA) is an engineering firm offering comprehensive services in civil, transportation, and environmental engineering. Founded in 1978, RPA represents over 20 years of service in meeting the infrastructure needs of clients in Montana and throughout the United States. From our office at 825 Custer Avenue in Helena, Montana, RPA offers services in Airport Design, Drainage, Environmental Studies, Highways, Natural Resources, Site Development, Surveying, Transportation, Wastewater Management, and Water Supply.

We are proud of our personnel and consider them to be the finest available. Our staff's willingness to work hard and to meet the highest professional standards is the reason our firm has earned its reputation for high-quality work. At RPA, our clients' needs take priority over other considerations. Everything we do, from the initial planning to the final inspection of the construction, reflects our commitment.

We invite you to examine our professional qualifications, facilities, and past
accomplishments. If you would like additional information, have a specific
project to discuss, or want a list of references please contact us.