# Alteration or repair permit B2607314 at 2809 Dumbarton St NW, Washington

DC Department of Buildings permit B2607314: issued Jul 27, 2026 for alteration or repair work at 2809 Dumbarton St NW. Historic-CFA Selective repointing of deteriorated mortar joints on approximately 10% of the front fa?ade and approximately 50% of the east (driveway) elevation of the existing historic painted brick residence. Only joints exhibiting erosion, cracking, separation, or mortar loss will be repaired. Sound existing mortar and historic brick will remain undisturbed. Deteriorated mortar will be removed to an appropriate depth without damaging adjacent brick and replaced with LimeWorks.us Ecologic Mortar (Natural Hydraulic Lime NHL 3.5, Coarse Gradation G), matching the existing joint width, profile, texture, and finish. Masonry will be appropriately dampened during installation and the completed work protected to promote proper curing. No changes to the building's design, windows, doors, cornice, trim, or other architectural features are proposed. Localized paint touch-up may be performed over repaired joints to match the existing painted masonry.

- Permit number: B2607314
- Issued: Jul 27, 2026
- Type of work: Alteration or repair (city: Construction, alteration and repair)
- Status: Issued (city: Permit issued)
- Reported cost: Not listed
- ZIP code: 20007
- All permits at this address: https://nearbypermits.com/washington-dc/address/2809-dumbarton-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 2026-10-09 07:11 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 2809 Dumbarton St NW: https://nearbypermits.com/washington-dc/address/2809-dumbarton-st-nw/