# Building permits at 810 3rd Ave, Seattle, WA

810 3rd Ave, Seattle has 41 building permits on record. The most recent, issued Sep 2, 2025, is for alteration or repair: Construct blanket permit tenant improvements to the City of Seattle Office of Labor Standards on the third floor of existing commercial building per plan.

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Sep 2, 2025 | Alteration or repair | Construct blanket permit tenant improvements to the City of Seattle Office of Labor Standards on the third floor of existing commercial building per plan. | $67,000 | [7102127-BK](https://nearbypermits.com/seattle/permit/7102127-BK/) |
| Jun 3, 2024 | Alteration or repair | Construct blanket permit tenant improvements to future tenant on the third floor of existing commercial building per plan. | $50,000 | [7025871-BK](https://nearbypermits.com/seattle/permit/7025871-BK/) |
| Jan 23, 2024 | Alteration or repair | Construct alterations to expand breakroom in a commercial office tenant space on L6 subject to field inspection (STFI) | $65,000 | [7001519-CN](https://nearbypermits.com/seattle/permit/7001519-CN/) |
| Jan 5, 2024 | Alteration or repair | Establishing the use as rooftop minor telecommunications utility per land use code. Construct alterations to existing building at the rooftop for communications equipment per plan. | $65,000 | [6910883-CN](https://nearbypermits.com/seattle/permit/6910883-CN/) |
| Nov 1, 2021 | Roofing | Alterations to existing roof-level telecommunication facility per plans. | $30,000 | [6852434-CN](https://nearbypermits.com/seattle/permit/6852434-CN/) |
| Nov 20, 2020 | Alteration or repair | Construct alterations to a rooftop minor communication antenna facility per plans | $40,000 | [6787915-CN](https://nearbypermits.com/seattle/permit/6787915-CN/) |
| Mar 3, 2020 | Alteration or repair | Interior non-structural tenant improvement to build a conference room in suite 730 for Jacobs Engineering tenant subject to field inspection STFI. | $22,500 | [6774633-CN](https://nearbypermits.com/seattle/permit/6774633-CN/) |
| Feb 25, 2020 | Fence, wall or deck | Construct tenant improvements including alterations to north egress court at level 2 of existing commercial structure per plan. | $75,000 | [6753066-CN](https://nearbypermits.com/seattle/permit/6753066-CN/) |
| Aug 14, 2019 | Alteration or repair | Construct alterations to create conference center on the first floor and voluntary seismic retrofit throughout existing commercial building occupy per plan. | $4,000,000 | [6684141-CN](https://nearbypermits.com/seattle/permit/6684141-CN/) |
| Aug 6, 2019 | Alteration or repair | Construct a non-bearing partition wall and door to provide confidentiality for the King County Employee Assistance Program suite subject to field inspection STFI. | $8,500 | [6741205-CN](https://nearbypermits.com/seattle/permit/6741205-CN/) |
| Jul 3, 2019 | Alteration or repair | Blanket permit tenant improvements to office space on the 2nd floor per plans. | $75,000 | [6735123-BK](https://nearbypermits.com/seattle/permit/6735123-BK/) |
| May 30, 2019 | Alteration or repair | Construct alterations to an existing commercial building at the rooftop level minor communications antenna facility (T-Mobile) and at equipment room per plan. | $23,000 | [6713586-CN](https://nearbypermits.com/seattle/permit/6713586-CN/) |
| May 23, 2019 | Alteration or repair | Blanket permit tenant improvements to office space on the 1st floor mezzanine per plans. | $80,000 | [6723672-BK](https://nearbypermits.com/seattle/permit/6723672-BK/) |
| May 23, 2019 | Alteration or repair | Blanket permit tenant improvements to office space on the 3rd & 7th floors per plans. | $375,000 | [6723364-BK](https://nearbypermits.com/seattle/permit/6723364-BK/) |
| May 6, 2019 | Alteration or repair | Tenant Improvement to 8th floor kitchen at existing commercial building subject to field inspection (STFI) | $40,000 | [6725862-CN](https://nearbypermits.com/seattle/permit/6725862-CN/) |
| Mar 25, 2019 | Alteration or repair | Blanket permit tenant improvements to office space for Earthjustice on the 6th floor per plans. | $418,000 | [6715890-BK](https://nearbypermits.com/seattle/permit/6715890-BK/) |
| Dec 12, 2018 | Alteration or repair | Construct alterations to existing commercial building on the rooftop for minor telecommunication antenna facility per plan. | $10,000 | [6699366-CN](https://nearbypermits.com/seattle/permit/6699366-CN/) |
| Apr 10, 2018 | Alteration or repair | Construct alterations to add antennas and their associated equipment to rooftop of existing commercial building at existing minor communication utility per plan. | $30,000 | [6629518-CN](https://nearbypermits.com/seattle/permit/6629518-CN/) |
| Jan 25, 2018 | Alteration or repair | Blanket Permit for interior non-structural alterations. Tenant improvement on the 6th floor for MTG per plan. | – | [6505164-BK](https://nearbypermits.com/seattle/permit/6505164-BK/) |
| Oct 15, 2017 | Alteration or repair | Blanket Permit for interior non-structural alterations. Tenant improvement for Vertex 3rd floor per plans. | – | [6617716-BK](https://nearbypermits.com/seattle/permit/6617716-BK/) |
| Apr 13, 2017 | Alteration or repair | Requires landmark preservation board approval prior to submitting for each blanket permit. Blanket Permit for interior non-structural alterations. For Showers & Coffee Room on Floors 2 & 6. Administrative Permit only - no work authorized. per plan | – | [6589996-BK](https://nearbypermits.com/seattle/permit/6589996-BK/) |
| Mar 22, 2017 | Roofing | Construct alterations to existing commercial building at the roof top for minor communication antenna facility per plan. | $300,000 | [6543796-CN](https://nearbypermits.com/seattle/permit/6543796-CN/) |
| Mar 7, 2017 | Alteration or repair | Blanket Permit for interior non-structural alterations to the 3th floor. For City of Seattle (OFC of Labor Standards) per plans. | – | [6579605-BK](https://nearbypermits.com/seattle/permit/6579605-BK/) |
| Mar 22, 2016 | Alteration or repair | Blanket Permit for interior 4th floor non-structural alterations per plans. | – | [6517994-BK](https://nearbypermits.com/seattle/permit/6517994-BK/) |
| Dec 23, 2015 | Alteration or repair | Landmark preservation board approval not required for this permit per sarah sodt. Blanket Permit for interior non-structural alterations level 3 for tenant Aqualyze. | – | [6505457-BK](https://nearbypermits.com/seattle/permit/6505457-BK/) |
| Nov 24, 2015 | Alteration or repair | Construct a rooftop minor communications antenna facility (Verizon) per plans. | $110,000 | [6475865-CN](https://nearbypermits.com/seattle/permit/6475865-CN/) |
| Nov 14, 2015 | Alteration or repair | Change use from office to medical services and construct alterations for dental office at second floor (Suite 200) in existing commercial building and occupy per plan. | $151,100 | [6490258-CN](https://nearbypermits.com/seattle/permit/6490258-CN/) |
| Feb 4, 2015 | Alteration or repair | Construct alterations to repair cladding (in kind) on northern side of existing commercial building per plan. | $34,500 | [6448780-CN](https://nearbypermits.com/seattle/permit/6448780-CN/) |
| Nov 25, 2014 | Alteration or repair | Construct tenant improvement to existing office space per subject to field inspection | $40,000 | [6447969-CN](https://nearbypermits.com/seattle/permit/6447969-CN/) |
| Apr 30, 2014 | Alteration or repair | Construct alterations to retail space on ground floor (7-11) per plan. | $165,000 | [6365624-CN](https://nearbypermits.com/seattle/permit/6365624-CN/) |
| Apr 9, 2014 | Alteration or repair | Blanket Permit for interior non-structural alterations.TENANT IMPROVEMENT FOR 3SI ON 2ND FLOOR | – | [6409212-BK](https://nearbypermits.com/seattle/permit/6409212-BK/) |
| Feb 19, 2014 | Alteration or repair | Blanket Permit for interior non-structural alterations. Tenant improvement for vacant suite on 2nd floor (#252) per plan. | – | [6402353-BK](https://nearbypermits.com/seattle/permit/6402353-BK/) |
| Dec 13, 2013 | Alteration or repair | Closed as incomplete - expired permit. Non-structural tenant improvements to existing space subject to field inspection (STFI) per plans. | $7,000 | [6396228-CN](https://nearbypermits.com/seattle/permit/6396228-CN/) |
| Jan 14, 2011 | Alteration or repair | Tenant improvements at Suite 500. (Schroeter Goldmark and Bender) in existing commercial building per plans. | $50,000 | [6266856-CN](https://nearbypermits.com/seattle/permit/6266856-CN/) |
| Oct 13, 2010 | Alteration or repair | Install fall restraints to the rooftop per plan | $40,000 | [6261261-CN](https://nearbypermits.com/seattle/permit/6261261-CN/) |
| Jan 14, 2009 | Alteration or repair | Change Use from retail to retail/restaurant and occupy per plan. | $10,000 | [6195331-CN](https://nearbypermits.com/seattle/permit/6195331-CN/) |
| Dec 22, 2006 | Alteration or repair | Commercial tenant improvement to suite 220 on 2nd floor for "Ruffcorn Mott Hinthorne Stine" subject to field inspection (stfi). | $40,000 | [6123654-CN](https://nearbypermits.com/seattle/permit/6123654-CN/) |
| Oct 18, 2006 | Alteration or repair | Blanket Permit interior non-structural alterations 3rd floor (2785 SF) and 6th floor (10 757 SF). Tenant: SPU (Seattle Public Utilities) | – | [6109773-BK](https://nearbypermits.com/seattle/permit/6109773-BK/) |
| Feb 21, 2006 | Alteration or repair | Blanket Permit for interior non-structural alterations to the 1st floor Pinnacle Management Office Suite 140 | – | [6084673-BK](https://nearbypermits.com/seattle/permit/6084673-BK/) |
| Sep 6, 2005 | Alteration or repair | Blanket Permit for interior non-structural alterations on floor 3 & 4 for Seattle Human Services Dept. | – | [6067890-BK](https://nearbypermits.com/seattle/permit/6067890-BK/) |
| Jul 22, 2005 | Alteration or repair | Blanket Permit for interior non-structural alterations on floor 7 for Seattle Office of Civil Rights. | – | [6066891-BK](https://nearbypermits.com/seattle/permit/6066891-BK/) |

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Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr). Checked 2026-10-01 21:57 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/