Contact

Call or submit our online form to request an estimate or for general questions. We look forward to serving you!

Corporate Office

398 Lemon Creek Drive Suite E Walnut, CA 91789

Phone: (909) 594 – 9702 Fax: (909) 594 – 2658

About RKA

As a full-service municipal engineering firm, RKA is well suited to provide professional services for a wide variety of genres. Explore our services and see how RKA’s expertise can benefit your agency.

Navigation