Interior Office


ID3A is a full-service architectural and interior design firm dedicated to the development of innovative and adaptive environments through a collaborative design process. Founded by interior designer Stevanie Demko, ID3A brings over 35 years of design and construction experience to the industry. We provide complete architectural and interior design services for all projects with an emphasis on creative design solutions and environmentally conscious concepts.

Our staff of professional architects and designers has the design experience necessary to service and maintain strong relationships with our clients. In recent years, we have completed commercial, civic and educational projects for a variety of public and private clients throughout the state. We pride ourselves on our repeat clients and believe our success is attributed to our attention to detail, technical experience, professionalism and creativity.

Design Services

  • Programming
  • Building Survey and Evaluation
  • Space Analysis
  • Planning & Design
  • Space Standards Development
  • Furniture Selection and Specification
  • Alternative Workplace Evaluation
  • Construction Documentation
  • Construction Observation
  • Post-Occupancy Evaluation

Architectural Services

  • Strategic Master Planning
  • Project Planning
  • Feasibility Studies
  • Base Building Survey and Evaluation
  • Site Analysis, Selection and Planning
  • Due Diligence
  • Schematic / Design Development
  • Construction Documentation
  • Construction Administration


Stanley Black & Decker

Stanley Black & Decker
Manufacturing Center of Excellence

CT Building Congress
First Place Commercial/Industrial (small)

Stanley Black & Decker

Stanley Black & Decker
Manufacturing Center of Excellence

AIA Business Award
Honorable Mention Businesses Over 50

Stanley Black & Decker

Stanley Black & Decker
Manufacturing Center of Excellence

Innovative Workplace Award
CT CREW Blue Ribbon Awards

Hartford Steam Boiler

Hartford Steam Boiler
One State Street Coffee Bar

AIA Connecticut Business Architecture Awards

Hartford Steam Boiler

Hartford Steam Boiler
One State Street Coffee Bar

Connecticut Building Congress
Team Spirit Merit Award

Windham STEM School

Charles H Barrows STEM Academy
Connecticut Building Congress
Team Spirit Merit Award
Best overall Project
CT CREW Blue Ribbon Awards

Additional Awards

  • 2013 - Best Overall Project CT CREW Blue Ribbon Awards
    Gateway Community College
  • 2013 - Best Interior Design Project Blue Ribbon Awards CT CREW
    Hartford Hospital Kidney & Transplant Suite
  • 2010 - Best Interior Design Project Blue Ribbon Awards CT CREW
    Aetna Atrium Building
  • 2009 - ABPM Award Excellence World Class Briefing Centers
    Aetna Customer Center
  • 2007 - Community Spirit Award
    Quinebaug Valley Community College
sustainable design

Sustainable Design

ID3A is committed to designs that are responsive to the environment as well as the owners program requirements. Buildings have one of the largest impacts on the ecosystem and we know that educated and experienced choices have a positive effect on the ecosystem. Our experience allows us to make good choices by utilizing sustainable materials, systems and processes that are essential to minimize environmental impact. Here are some key environmental considerations that we like to incorporate into all our projects:

Water Efficiency
Optimized Energy Performance
Construction Waste Management
Low Emitting Materials
Controllability of Systems
Day lighting and Views

LEED Certified Projects

  • Charles H Barrows STEM Academy
    Windham, CT
  • MD Fox Elementary School
    Hartford, CT
  • Robinson & Cole Office Renovation
    Hartford, CT
  • Aetna Customer Center
    Hartford, CT
  • Salisbury Bank & Trust
    Millerton, NY
well Leed

WELL Certification

WELL is the leading tool for advancing health and well-being in buildings globally. Register your office, building or other space to leverage WELL's flexible framework for improving health and human experience through design.

ID3A has WELL Accredited Professionals to guide you through the process.

Our Clients

  • Aetna
  • Amica Mutual Insurance Company
  • Asnuntuck Community College
  • Avison Young
  • Bluefoot Entertainment
  • CBRE Realty Finance
  • Central CT State University
  • Conway Stoughton, LLC
  • CREC
  • Deloitte & Touche
  • ESPN
  • FedEx
  • Finalsite
  • First Light & Power Resources
  • Gateway Community College
  • Goodwin College
  • Hartford HealthCare
  • Hartford Steam Boiler
  • Jackson Laboratory
  • Kaman Aerospace
  • Konica Minolta Business Solutions
  • KS Partners
  • La Piastra
  • Loomis Chaffee School
  • Lux Bond & Greene
  • MannKind Corporation
  • Mayo Crowe
  • NanoVirocides, Inc
  • Northeast Utilities
  • Pacific Premier Bank
  • Pratt & Whitney
  • Quinebaug Valley Community College
  • Robinson & Cole LLP
  • Salisbury Bank & Trust
  • Stanley Black & Decker
  • Smiles for the Future
  • State House Square
  • State of Connecticut DCS
  • The Hartford
  • Town of Glastonbury
  • Tort Museum
  • Three Rivers Community College
  • Tsunami Tsolutions
  • Travelers Insurance Company
  • Union Savings Bank
  • Universal Enterprises
  • University of Connecticut
  • University of Hartford
  • University of Maryland
  • University of New Haven
  • US Coast Guard Academy
  • Virtus Investment Partners
  • Windham Public Schools
  • XL Center
  • Yale University
  • YMCA