Energy codes, green building and upkeep in Washington, DC
Houses follow the DC Construction Codes in 12 DCMR, including the 2017 DC Energy Conservation Code. The 2017 Green Construction Code and the Green Area Ratio mostly reach larger buildings, and the DC Property Maintenance Code governs upkeep of every home.
A person last checked these rules on October 20, 2026. This is guidance only, so confirm with Washington before you build.
The details
- Additions and new houses must meet the DC Energy Conservation Code. The permit review checks insulation, windows and duct sealing.Medium confidence
- Code editions confirmed on DOB's construction codes page.High confidence
Check a project at your address
SetbackIQ reads the zoning, flood zone, historic district, and environmental maps for your lot. Then it applies these rules.
Common questions
- Which energy, green-building and property-maintenance rules apply to a house in Washington?
- Houses follow the DC Construction Codes in 12 DCMR, including the 2017 DC Energy Conservation Code. The 2017 Green Construction Code and the Green Area Ratio mostly reach larger buildings, and the DC Property Maintenance Code governs upkeep of every home.
Sources
- DC Department of Buildings, DC Construction Codes (12 DCMR) and energy code. Checked 2026-10-21
2017 District of Columbia Energy Conservation Code... 2017 District of Columbia Green Construction Code... 2013 District of Columbia Property Maintenance Code.
Disclaimer: This is general information, not legal or professional advice for any one property. Codes change. SetbackIQ is not a zoning determination, a permit, or a survey, and it does not replace an architect, engineer, or lawyer. Confirm with your building and zoning offices before you build, buy, or sign a contract.