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Foundation permits in Washington, DC

6 permits issued in the last 14 days · — total estimated project value · Source: DC Open Data (Dept. of Buildings) · Updated July 13, 2026

IssuedAddressWork descriptionEst. value
2026-07-081245 5TH ST NW, WASHINGTON, DC 20001Mount Vernon Square Historic District ADD/ALT TO EXISTING 2 STORY BUILDING. NEW BAY WINDOWS, AREAWAYS, UNDERPINNING.1 RETAIL UNIT AT FIRST FLOOR, 1 CO-LIVING UNIT ON CELLAR, FIR
PlumbingRemodelingWindows & DoorsFoundation
2026-07-082100 32ND ST SE, WASHINGTON, DC 20020Removing the existing deck, brick support piers, stairs to grade and roof over deck
RoofingDecks & PatiosDemolitionFoundation
2026-07-071916 CALVERT ST NW, WASHINGTON, DC 20009Historic Replacement of a non-structural lower-level slab-on-grade floor in existing apartment (replace existing). Work includes subgrade preparation, replacement of stone base
RemodelingFoundation
2026-07-061338 28TH ST NW, WASHINGTON, DC 20007HISTORIC LEVEL 03 ALTERATION & ADDITION TO A (2) STORY DETACHED STRUCTURE. THE SCOPE OF WORK INCLUDES UNDERPINNING OF THE CRAWL SPACE TO CREATE A HABITABLE CELLAR, CONSTRUCTION
ElectricalPlumbingHVACRemodelingFoundation
2026-06-301609 17TH PL SE, WASHINGTON, DC 20020This project involves the addition of a third level and a penthouse to an existing multi-family residential building. The proposed development includes five (5) new dwelling units,
RemodelingNew ConstructionFoundation
2026-06-306156 1ST PL NE, WASHINGTON, DC 20011Install new push piers along the left and rear basement foundation walls.
RemodelingFoundation

Every row is a property owner who just got city approval to start a foundation project — or a competitor's job you can learn from. Data is public record, refreshed daily by PermitsRadar.

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