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Due Diligence Services
Capital Needs Assessments

This assesment is an evaluation of the physical condition of a property.

HEROS Environmental Review

We help manage and store supporting
documentation for Environmental Reviews.
Energy & Sustainability

We’re experienced in Energy Benchmarking, Modeling, and Green Building Certifications.

Environmental Services

D3G has perfected the Environmental Site Assessment process over our 30-year history.
Architectural & Cost Review

We provide cost conclusions essential for new construction and substantial rehabilitation.
Consulting Services
Affordable Housing Consulting

Learn more about D3G’s roots, growth, and industry innovation.

Environmental Consulting

Learn more about D3G’s roots, growth, and industry innovation.
Building Evaluation Consulting

Learn more about D3G’s roots, growth, and industry innovation.

Energy & Sustainability Consulting

Learn more about D3G’s roots, growth, and industry innovation.
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About Us
Due Diligence Services
Capital Needs Assessments

This assesment is an evaluation of the physical condition of a property.

HEROS Environmental Review

We help manage & store supporting
documentation for Environmental Reviews.

Energy & Sustainability

We’re experienced in Energy Benchmarking, Modeling, & Green Building Certifications.

Environmental Services

D3G has perfected the Environmental Site Assessment process over our 30-year history.

Architectural & Cost Review

We provide cost conclusions essential for new construction & substantial rehabilitation.
Consulting Services
Affordable Housing Consulting

Learn more about D3G’s roots, growth, & industry innovation.

Environmental Consulting

Learn more about D3G’s roots, growth, & industry innovation.

Building Evaluation Consulting

We’re experienced in Energy Benchmarking, Modeling, & Green Building Certifications.

Energy & Sustainability Consulting

D3G has perfected the Environmental Site Assessment process over our 30-year history.
Our Work
Case Studies

Learn more about our notable projects & community work.

D3G Gives Back

We believe in social responsibility within our workspace & communities

Blog

Read up on the latest industry news, insights, & team updates.
Leadership
Careers
Open Positions

Interested in working at D3G? Explore our open positions.

Benefits

Learn more about D3G’s employee benefits & unique perks.

Washington Marriott Georgetown Hotel

Name: NLHA 2025 Annual Meeting
Start: 2025-06-18T00:00:00+00:00
End: 2025-06-20T23:59:59+00:00
Location: Washington Marriott Georgetown Hotel

1221 22nd St., NW
Washington, DC 20037 United States Get Directions

Events at this venue

November 2025
November 7 - November 8

NLHA 2025 Fall Seminar

Washington Marriott Georgetown Hotel 1221 22nd St., NW, Washington, DC, United States

« All Events NLHA 2025 Fall Seminar November 6 - 7 Website: https://www.westernmortgageeadvisorycouncil.org/index.php?option=com_jevents&task=icalrepeat.detail&evid=2&Itemid=115&year=2025&month=09&day=17&title=wmac-2025&uid=1291a78c2f6814517ca9fc5996e32d1f Add to Calendar Google Calendar iCalendar Outlook 365 Outlook Live + Google Map
June 2025
June 18 - June 20

NLHA 2025 Annual Meeting

Washington Marriott Georgetown Hotel 1221 22nd St., NW, Washington, DC, United States

« All Events NLHA 2025 Annual Meeting June 18 - June 20 Jennifer Berger & Rob Hazelton will attend. Website: https://hudnlha.com/2025-annual-meeting-registration/ Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Washington Marriott Georgetown Hotel 1221 22nd St., NW Washington, DC 20037 United States + Google Map NH&RA’s 2025 Summer Institute Community Engagement Speaker Event […]