Industry Leading
Since 1994

We were one of the original HUD Multifamily Accelerated Process (MAP) third-party consultants, and over our 25-year history have helped shape the FHA mortgage insurance industry


A History of

The original third party due diligence consultant to concentrate on the HUD-FHA-MAP mortgage insurance industry. D3G has since developed into a full-service Environmental and Engineering real estate due diligence company focusing on the nation’s housing market.  D3G continues to be an innovator in the market, continually striving to be part of the solution to the affordable housing crisis in this country. We provide all core services in-house and deliver investment-grade reporting for environmental, engineering, energy, design, and construction cost estimation. 

   Moments of Leadership


Rob Hazelton found Dominion Environmental Group (now Dominion Due Diligence Group).


D3G completes the first HUD-compliance PCNA.  The Architectural and Cost (AEC) Review department is formed!


D3G Opens Denver Office and Creates Energy & Sustainability Team.  Surpasses 50 employees.


D3G selected by HUD to pilot the Rental Assistance Demonstration (RAD) process and completed the Capital Needs and Energy Studies on the first RAD project.  We have completed hundreds of RAD projects since.


D3G Awarded Top place to Work by Richmond Times Dispatch. D3G Pilots the HUD CNA E-Tool.


 D3G is selected for the first major city RAD transformation (one of the three largest HA’s in the country).


D3G moves to new headquarters in award-winning sustainably designed building. D3G also is selected by HUD to pilot the HUD HEROS environmental interface.


D3G celebrates 25 years in business and continues to expand services and locations.


We care about our team, clients, and community.


We accept the challenge to do something different.


We are driven to go the extra mile.


We strive to provide superior solutions.


Navigating pathways to available, affordable, and resilient housing.


The leader in promoting affordable housing by scaling and adapting to industry and community needs.

Contact Us

  • This field is for validation purposes and should be left unchanged.

Recent Posts

Dominion Due Diligence Group (D3G) is proud to have received the Employer Support of the Guard and Reserve's (ESGR) Seven Seals Award. ESGR, a Department of Defense office established in 1972, plays a crucial role in promoting supportive work environments for service members in the Reserve Components and resolving conflicts arising from employees' military commitments.