# Building permits at 1401 E Jefferson St, Seattle, WA 20 permits on record here. The newest, Oct 22, 2025: Construct guardrail walking mats step overs and warning line on rooftop of a commercial building. Within a quarter mile, the city has issued 4 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Oct 22, 2025 | Alteration or repair | Construct guardrail walking mats step overs and warning line on rooftop of a commercial building per plans | $7,000 | [7043188-CN](https://nearbypermits.com/seattle/permit/7043188-CN/) | | Oct 14, 2025 | Alteration or repair | Construct minor alterations to telecommunications facility (AT&T) on rooftop of commercial building per plan | $25,000 | [7078937-CN](https://nearbypermits.com/seattle/permit/7078937-CN/) | | Sep 3, 2024 | Alteration or repair | Add equipment to existing rooftop minor telecommunication utility on an institutional building per plan. | $20,000 | [7017524-CN](https://nearbypermits.com/seattle/permit/7017524-CN/) | | Jun 14, 2024 | Alteration or repair | Construct tenant improvements for Office (KC DPD) at 2nd and 3rd floors of existing office building per plan. Mechanical included. | $1,990,000 | [6822744-CN](https://nearbypermits.com/seattle/permit/6822744-CN/) | | Jul 31, 2023 | Roofing | Construct alterations to existing commercial building at the roof top for minor telecommunications antenna facility per plan. | $20,000 | [6888177-CN](https://nearbypermits.com/seattle/permit/6888177-CN/) | | May 4, 2021 | Alteration or repair | Construct alterations to a rooftop minor communication antenna facility per plans | $20,000 | [6826227-CN](https://nearbypermits.com/seattle/permit/6826227-CN/) | | Nov 17, 2020 | Fence, wall or deck | Construct alterations to an existing minor communication utility (T-Mobile) on the rooftop of existing structure per plans. | $25,000 | [6795942-CN](https://nearbypermits.com/seattle/permit/6795942-CN/) | | May 4, 2020 | Alteration or repair | Add and remove equipment on existing minor rooftop telecommunication facility (T-Mobile) on a commercial building per plan. | $20,000 | [6740151-CN](https://nearbypermits.com/seattle/permit/6740151-CN/) | | Jul 22, 2019 | Alteration or repair | Alterations to minor communication utility (AT&T) on rooftop of office building per plans. | $20,000 | [6633113-CN](https://nearbypermits.com/seattle/permit/6633113-CN/) | | May 8, 2019 | Alteration or repair | Construct alterations to an existing rooftop minor communications antenna facility (Verizon) per plans | $15,000 | [6711520-CN](https://nearbypermits.com/seattle/permit/6711520-CN/) | | Apr 20, 2016 | Roofing | Construct alterations to an existing roof top minor communications antenna facility (AT&T) per plans. | $50,000 | [6514889-CN](https://nearbypermits.com/seattle/permit/6514889-CN/) | | Mar 8, 2016 | Alteration or repair | Construct alteration to an existing minor communications facility (Verizon) per plans | $27,400 | [6501699-CN](https://nearbypermits.com/seattle/permit/6501699-CN/) | | Sep 3, 2015 | Alteration or repair | Closed as incomplete - expired permit. Replace existing antennas and alterations to equipment cabinet to existing rooftop for minor communication utility (AT&T) per plan | $40,000 | [6467474-CN](https://nearbypermits.com/seattle/permit/6467474-CN/) | | Apr 26, 2013 | Alteration or repair | Closed as incomplete - expired permit. Construct alterations to telecommunication facility on rooftop of existing office building (T-Mobile) per plan. | $60,000 | [6335727-CN](https://nearbypermits.com/seattle/permit/6335727-CN/) | | Apr 3, 2013 | Alteration or repair | Construct interior alterations to 5th floor of existing office building per floor plan and STFI | $19,456 | [6359835-CN](https://nearbypermits.com/seattle/permit/6359835-CN/) | | Jan 10, 2013 | Alteration or repair | Modification to existing AT&T facility by adding (1) TE40 Cabinet and (26) marathon batteries within existing rooftop equipment area per plans | $15,000 | [6341003-CN](https://nearbypermits.com/seattle/permit/6341003-CN/) | | Jan 9, 2012 | Alteration or repair | Interior alterations to 4th floor offices of existing commercial building per plans. | $80,000 | [6303086-CN](https://nearbypermits.com/seattle/permit/6303086-CN/) | | Oct 28, 2011 | Alteration or repair | Modification of an existing AT&T facility by adding (3) LTE antennas and ancillary equipment. | $15,000 | [6274586-CN](https://nearbypermits.com/seattle/permit/6274586-CN/) | | Feb 11, 2011 | Alteration or repair | Installing antennas and equipment cabinets with platforms and screens for minor communication facility on rooftop of office bldg per plans. | $22,000 | [6257025-CN](https://nearbypermits.com/seattle/permit/6257025-CN/) | | Apr 12, 2006 | Roofing | Replacing 3 antennas and adding 3 antennas. Modifying existing equipment on roof of building by adding 5 cabinets. | $20,000 | [6078529-CN](https://nearbypermits.com/seattle/permit/6078529-CN/) | ## Within ¼ mi since May 1, 2026 4 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 2 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jul 27, 2026 | [550 13th Ave](https://nearbypermits.com/seattle/address/550-13th-ave/) | 470 ft NW | Other | Erect temporary tent at Seattle University Soccer Field for periodic use for up to 6 months from [first event August 8th] per plans. All tent components are provided and assembled by professional crew. Owner responsible for structural integrity of tent. | $2,500 | [7149033-CN](https://nearbypermits.com/seattle/permit/7149033-CN/) | | Jun 25, 2026 | [450 12th Ave](https://nearbypermits.com/seattle/address/450-12th-ave/) | 710 ft W | Alteration or repair | Change use from beauty salon to eating and drinking per land use code. Construct tenant improvements in mixed-use building on SW corner of ground floor (Minna Mediterranean) occupy per plan. | $152,400 | [7130279-CN](https://nearbypermits.com/seattle/permit/7130279-CN/) | ### Farther (1,000 ft to ¼ mi), 2 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 24, 2026 | [1521 E Spruce St](https://nearbypermits.com/seattle/address/1521-e-spruce-st/) | 0.20 mi SE | Alteration or repair | New Parking Space at 1521 E Spruce St.Needed for disabled tenant - please expedite | $20,000 | [7162510-CN](https://nearbypermits.com/seattle/permit/7162510-CN/) | | Jul 16, 2026 | [1020 E Jefferson St](https://nearbypermits.com/seattle/address/1020-e-jefferson-st/) | 0.24 mi W | Alteration or repair | Construct tenant improvements to existing office space per STFI | $111,000 | [7151540-CN](https://nearbypermits.com/seattle/permit/7151540-CN/) | ## More on this street Other addresses on E Jefferson St with permits, nearest house number first: - [1305 E Jefferson St](https://nearbypermits.com/seattle/address/1305-e-jefferson-st/): newest permit Mar 4, 2026 - [1600 E Jefferson St](https://nearbypermits.com/seattle/address/1600-e-jefferson-st/): newest permit Jun 19, 2025 - [1020 E Jefferson St](https://nearbypermits.com/seattle/address/1020-e-jefferson-st/): newest permit Jul 16, 2026 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-06 18:25 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 20 permits at this address and 4 nearby: https://nearbypermits.com/seattle/address/1401-e-jefferson-st/