Washington · DC · 20018
What is permit #B2603124 at 3408 20th St NE, Washington, Dc 20018, Washington, DC?
3408 20th St NE, Washington, Dc 20018 in Washington, DC has a hvac permit (#B2603124) filed Thursday, May 14, 2026 by Null Null; Jacob Browning. Status: issued.
Detached single-family home - Underpinning an existing crawlspace to form a media room and kitchenette. Relocate the existing staircase to accommodate the new space. Extend the existing joists on the first floor to frame the new staircase. Replace several load-bearing posts in the crawlspace with structural beams. New mini-split HVAC system to serve the new basement space. New window well. New insulation, drywall, electrical, and plumbing to finish the space. Total area affected 528 SF
Construction Code #1: Appendix G of the 2017 District of Columbia Energy Conservation Code - Commercial Provisions, Section G1.2.2 Performance Rating Calculation (Performance Cost…
We are requesting that, where combustibles are located in unrated concealed spaces, the building be allowed to provide sprinkler coverage In lieu of noncombustible protection. This…