# Mechanical (HVAC) permit MVQ2600030 at 4912 New Hampshire Ave NW, Washington

DC Department of Buildings permit MVQ2600030: issued May 11, 2026 for mechanical (hvac) work at 4912 New Hampshire Ave NW. Subtitle 12-E DCMR, mechanical code supplement of 2021, is amended as follows: IMC - 2021 Article 1109.3.2 Refrigerant pipes shafts using group "A2L" or "B2L" refrigerant shall be naturally or mechanically ventilated. Please see attachment M-1.

- Permit number: MVQ2600030
- Issued: May 11, 2026
- Type of work: Mechanical (HVAC) (city: Construction, variance)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20011
- All permits at this address: https://nearbypermits.com/washington-dc/address/4912-new-hampshire-ave-nw/

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Source: DC Department of Buildings permit data (https://opendata.dc.gov/datasets/7296e6392349498bb6ba6ba3db836644_18), District of Columbia, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Checked 2026-10-09 03:40 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 4912 New Hampshire Ave NW: https://nearbypermits.com/washington-dc/address/4912-new-hampshire-ave-nw/