# Alteration or repair permit B2601608 at 3700 O St NW, Washington

DC Department of Buildings permit B2601608: issued May 26, 2026 for alteration or repair work at 3700 O St NW. CFA / H Application to Amend Previously Issued Permit B2504197. Provide structural evaluation and reinforcement design for the existing foundation wall in Henle E, where multiple new and existing utility cores have resulted in cut reinforcement per GPR findings. Work includes designing required wall strengthening around these penetrations and updating the interior utility room wall to function as a cantilevered retaining wall to support adjacent crawl space soil. All work follows the base structural calculation package issued September 12, 2025, including applicable codes, loading criteria, and geotechnical parameters.

- Permit number: B2601608
- Issued: May 26, 2026
- Type of work: Alteration or repair (city: Construction, alteration and repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20057
- All permits at this address: https://nearbypermits.com/washington-dc/address/3700-o-st-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 2026-10-11 04:09 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3700 O St NW: https://nearbypermits.com/washington-dc/address/3700-o-st-nw/