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TKDA is a full-service engineering, architecture and planning firm committed to improving communities, helping clients grow and building long-term relationships. We've been serving clients for 110+ years. Our team of 325+ highly-trained employee owners is your single source for lasting design solutions.

Company Contact

DJ Heinle, AIA-Vice President Architecture

Company Specialties

Architecture for Renovation
Engineering-Civil, Electrical, Mechanical, Plumbing, Structural
Interior Architecture
Landscape Architecture
Sustainable High Performance Design / LEED or B3 Consulting (Analysis & Documentation)

444 Cedar Street, Suite 1500
St. Paul, MN 55101

Phone: 651-292-4400