# Building permits in Washington 20546 5 permits in the last 90 days. The newest, Sep 17: Install access control door hardware on stairwell doors to interlock with existing fire alarm system, at 300 E St SW. | Date | Address | Type | Work | Cost | Permit | |---|---|---|---|---|---| | Sep 17, 2026 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Fire systems | Install access control door hardware on stairwell doors to interlock with existing fire alarm system. | Not listed | [B2608226](https://nearbypermits.com/washington-dc/permit/B2608226/) | | Jul 28, 2026 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Electrical | | Not listed | [E2611326](https://nearbypermits.com/washington-dc/permit/E2611326/) | | Jul 22, 2026 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Electrical | | Not listed | [EG2604463](https://nearbypermits.com/washington-dc/permit/EG2604463/) | | Jul 14, 2026 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Alteration or repair | 9Th floor - enclosing afterburner room with walls and two doors. Doors to be equipped with electronic access control (card readers), push to open button and electric strikes with fail safe function in a case of emergency (connected to fire alarm). | Not listed | [B2606834](https://nearbypermits.com/washington-dc/permit/B2606834/) | | Jul 6, 2026 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Sign | Proposed exterior vinyl artwork adhered to existing building | Not listed | [SG2600232](https://nearbypermits.com/washington-dc/permit/SG2600232/) | | Jun 15, 2026 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Electrical | | Not listed | [E2609895](https://nearbypermits.com/washington-dc/permit/E2609895/) | | Jun 13, 2026 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Electrical | | Not listed | [E2609857](https://nearbypermits.com/washington-dc/permit/E2609857/) | | Jun 1, 2026 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Sign | (TEMPORARY SIGNS TO BE INSTALLED FOR NO MORE THAN 6 MONTHS) Vinyl exterior signs for NASA Freedom 250 Celebration | Not listed | [SG2600206](https://nearbypermits.com/washington-dc/permit/SG2600206/) | | May 26, 2026 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Plumbing | | Not listed | [P2608005](https://nearbypermits.com/washington-dc/permit/P2608005/) | | May 7, 2026 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Alteration or repair | Revision to b2502424- interior alteration of existing tenant space to include modifications of furniture panels to accommodate additional workspaces. The 8th floor scope includes large multipurpose room for meetings, training and presentations. Project includes relocation and installation of existin | Not listed | [B2602132](https://nearbypermits.com/washington-dc/permit/B2602132/) | | Apr 16, 2026 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Electrical | | Not listed | [E2607689](https://nearbypermits.com/washington-dc/permit/E2607689/) | | Mar 19, 2026 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Plumbing | | Not listed | [PP2602039](https://nearbypermits.com/washington-dc/permit/PP2602039/) | | Nov 5, 2025 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Plumbing | | Not listed | [P2601205](https://nearbypermits.com/washington-dc/permit/P2601205/) | | Oct 17, 2025 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Other | | Not listed | [SG2500005-EXT-1](https://nearbypermits.com/washington-dc/permit/SG2500005-EXT-1/) | | Feb 12, 2025 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Alteration or repair | Interior spot renovations to 7th & 8th floor office space. New furniture, fixtures, mechanical, electrical and life safety. 44,230 Square feet. Nasa. Accelerated review request. | Not listed | [B2502424](https://nearbypermits.com/washington-dc/permit/B2502424/) | | Dec 6, 2024 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Electrical | | Not listed | [E2502787](https://nearbypermits.com/washington-dc/permit/E2502787/) | | Dec 4, 2024 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Electrical | | Not listed | [E2502706](https://nearbypermits.com/washington-dc/permit/E2502706/) | | Nov 29, 2024 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Mechanical (HVAC) | | Not listed | [M2500773](https://nearbypermits.com/washington-dc/permit/M2500773/) | | Nov 15, 2024 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Plumbing | | Not listed | [P2501363](https://nearbypermits.com/washington-dc/permit/P2501363/) | | Nov 14, 2024 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Sign | SG2500005 NASA - 2 illuminated signs | Not listed | [SG2500005](https://nearbypermits.com/washington-dc/permit/SG2500005/) | | Nov 4, 2024 | [300 E St SW](https://nearbypermits.com/washington-dc/address/300-e-st-sw/) | Alteration or repair | Interior spot renovations to 5th & 9th floor office space. Relocation and installation of furniture panels and workstations. Furniture, mechanical, electrical and fire alarm. 16,709 Square feet. Accelerated review request. Nasa. | Not listed | [B2410406](https://nearbypermits.com/washington-dc/permit/B2410406/) | --- Source: DC Department of Buildings permit data (https://opendata.dc.gov/datasets/7296e6392349498bb6ba6ba3db836644_18), CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Checked 2026-10-04 04:53 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/