# Alteration or repair permit B2607630 at 730 24th St NW, Washington

DC Department of Buildings permit B2607630: issued Sep 11, 2026 for alteration or repair work at 730 24th St NW. Replacement of three (3) existing vertical dual-temperature closed-loop riser piping systems (Risers 1, 13, and 24) in an existing 9-story mixed-use cooperative. Work: remove and replace supply/return L-type copper riser piping and PVC condensate drain; new isolation and ball valves; pipe insulation and floor-penetration firestopping; interior drywall removal and repair; and exterior balcony masonry demolition (approx. 24" x 96" per floor at the pipe chase) rebuilt to match existing. Asbestos abatement of pipe insulation performed under a separate DOEE permit by a licensed abatement subcontractor. Fan coil unit replacement is not included in this permit.

- Permit number: B2607630
- Issued: Sep 11, 2026
- Type of work: Alteration or repair (city: Construction, alteration and repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20037
- All permits at this address: https://nearbypermits.com/washington-dc/address/730-24th-st-nw/

---
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 2026-10-06 23:36 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 730 24th St NW: https://nearbypermits.com/washington-dc/address/730-24th-st-nw/
