New HVAC & Mechanical Permits in Seattle, WA — October 2026
45 commercial building permits relevant to hvac & mechanical contractors were issued recently in Seattle, WA, representing $154,419,914 in reported project value. Every project below was just permitted — meaning trade packages are being awarded right now.
45new permits
$154,419,914total reported value
$67,707,968largest project
| Issued | Project | Value | Score |
|---|---|---|---|
| 2026-09-21 | Construct site alterations for boeing plant (procedural sepa conducted by the city of tukwila) per plan. 7755 EAST MARGINAL WAY S SEATTLE |
$500,000 | 70 |
| 2026-09-21 | Construct alterations to include accessibility improvements and renovations to existing bathhouse for institutional building [seattle parks 2535 32ND AVE W SEATTLE |
$500,000 | 70 |
| 2026-09-18 | Tenant improvements for mercantile (dick's sporting good) in existing commercial building per plan. mechanical included 328 NE NORTHGATE WAY SEATTLE |
$890,461 | 70 |
| 2026-09-18 | Construct alterations level a & 1 in the south building on the first hill campus to convert office space to med-gas manifold room. mechanica 747 BROADWAY SEATTLE |
$700,000 | 70 |
| 2026-09-16 | Construct additions for concrete pad generator fencing and alterations to existing utility (king co. dns sewer treatment regulator station) 3432 HARBOR AVE SW SEATTLE |
$836,000 | 70 |
| 2026-09-15 | Change of use from general sales and services to medical services per land use code. construct initial tenant improvements to existing comme 1120 DENNY WAY SEATTLE |
$390,000 | 70 |
| 2026-09-11 | Change of use from restaurant to retail sales and services general per land use code. construct alterations in a commercial building for a m 9456 35TH AVE SW SEATTLE |
$350,000 | 70 |
| 2026-09-11 | Project consist of recovering the existing roof with a new 60mil tpo membrane while leaving the existing roof membrane in place. work consis 3057 BEACON AVE S SEATTLE |
$63,272 | 50 |
| 2026-08-21 | Establish use as child care center per land use code. construct new institutional building occupy per plan. mechanical included. 3700 S GENESEE ST SEATTLE |
$2,847,200 | 85 |
| 2026-08-21 | Construct alterations to convert anesthesia workroom into clean supply storage room within existing institution (kaiser permanente hospital) 201 16TH AVE E SEATTLE |
$461,000 | 70 |
| 2026-08-20 | Change of use sales and services general to restaurant per land use code. tenant improvement for cafe [haraz coffee house] at level 1 and me 617 E PIKE ST SEATTLE |
$208,529 | 50 |
| 2026-08-19 | Overlay existing roofing system apply new pvc fleeceback membrane mechanically attached. install new perimeter coping metal 9130 15TH PL S KING COUNTY |
$323,093 | 70 |
| 2026-08-18 | Construct alterations to portion of level 2 for university of washington medical center per plan. mechanical included. 1959 NE PACIFIC ST SEATTLE |
$300,000 | 70 |
| 2026-08-17 | Tenant improvements for new gender neutral restrooms (morgan stanley) at 26th and 28th floors of existing office building per plan. mechanic 800 5TH AVE SEATTLE |
$249,681 | 50 |
| 2026-08-11 | Construct alterations to hospital building (ocean building wing a leve 6) per plan. mechanical included. 4800 SAND POINT WAY NE SEATTLE |
$7,511,000 | 90 |
| 2026-08-10 | Tenant improvements at levels 1-3 of existing commercial building per plan. mechanical included. 601 PINE ST SEATTLE |
$3,000,000 | 90 |
| 2026-08-10 | Construct tenant improvements to concession area of imax theater per plan. mechanical included this permit. 200 SUE BIRD CT N SEATTLE |
$148,415 | 50 |
| 2026-08-05 | Construct interior alterations to existing retail space (trader joe's) per plan. mechanical work included this permit. 4545 FAUNTLEROY WAY SW |
$500,000 | 70 |
| 2026-08-04 | Construct tenant improvement to existing commercial building (nordstrom tenant) at metro floor per plan. mechanical included 500 PINE ST SEATTLE |
$252,000 | 70 |
| 2026-08-03 | Change use from general sales and services to indoor sports and recreation per land use code. construct tenant improvement for professional 1120 DENNY WAY SEATTLE |
$453,775 | 70 |
| 2026-08-03 | Construct alterations for mechanical rooms and generator yard on the 1st and 2nd floors of multifamily building (st joseph's residence) occu 4800 37TH AVE SW SEATTLE |
$159,092 | 50 |
| 2026-07-29 | Construct alterations to existing commercial building per plan. mechanical review is included. 3919 18TH AVE W SEATTLE |
$8,000,000 | 90 |
| 2026-07-28 | Phased permit: construct substantial alterations to a commercial office building for a mixed use - multi-family building occupy per plan. me 2601 ELLIOTT AVE SEATTLE |
$67,707,968 | 90 |
| 2026-07-27 | Construct alterations to demolish interior portions of existing institutional building (john marshall school) per plan. mechanical included. 520 NE RAVENNA BLVD SEATTLE |
$1,000,000 | 90 |
| 2026-07-27 | Tenant improvements at existing level 4 skybridge of existing commercial building per plan. mechanical included. 700 Dexter AVE N |
$150,000 | 50 |
| 2026-07-24 | Construct alterations to uwnc northwest a-wing rm a238 of existing institutional building per plan. mechanical included. 1550 N 115TH ST SEATTLE |
$625,000 | 70 |
| 2026-07-23 | Construct tenant improvements to an existing retail tenant space in u-village shopping center per plans. mechanical included this permit. 2690 NE VILLAGE LN SEATTLE |
$278,260 | 70 |
| 2026-07-21 | Change of use from sales and services general to restaurant per land use code. construct alterations for restaurant (chipotle) and occupy pe 301 W NICKERSON ST SEATTLE |
$1,278,079 | 90 |
| 2026-07-20 | Construct tenant improvements to existing hospital at level 3 (uw medical center surgery pavilion) per plan. mechanical included. 1959 NE PACIFIC ST SEATTLE |
$800,000 | 70 |
| 2026-07-20 | Construct alterations to existing utility (king co. dns chelan avenue regulator station) for new stand-by generator per plan. mechanical inc 3500 CHELAN AVE SW SEATTLE |
$452,000 | 65 |
| 2026-07-17 | Change of use from general retail sales and services to restaurant per land use code. construct tenant improvements for restaurant [go greek 2130 7TH AVE SEATTLE |
$75,000 | 50 |
| 2026-07-15 | Phased project: construct mixed use apartment building occupy per plan. mechanical included. 452 N 36TH ST SEATTLE |
$30,706,296 | 85 |
| 2026-07-14 | Construct alterations to a retail building occupy per plan. mechanical included this permit 1135 NW LEARY WAY SEATTLE |
$1,350,000 | 90 |
| 2026-07-10 | ? load safety tools equipment and materials to perform the job correctly.? perform moisture scan to determine amount of wet insulation and r 241 S LANDER ST SEATTLE |
$809,415 | 70 |
| 2026-07-09 | Construct interior non-structural alterations to existing fire pump and riser room with no reduction to existing fire resistance rating subj 2150 N 107TH ST SEATTLE |
$27,950 | 35 |
| 2026-07-01 | Construct tenant improvement for retail (j crew) at ground and second floor of existing commercial building per plan. mechanical included 2660 NE UNIVERSITY VILLAGE ST SEATTLE |
$435,000 | 70 |
| 2026-07-01 | We will furnish and install a new 115 mil fleeceback tpo roof membrane existing roof system and mechanically attach to the substrate. 2757 6TH AVE S SEATTLE |
$285,625 | 70 |
| 2026-06-30 | Change of use from light manufacturing to indoor participant sports per land use code. construct tenant improvement for dance school (pn bal 3847 1ST AVE S SEATTLE |
$2,000,572 | 90 |
| 2026-06-29 | Construct alterations to renovate historic seattle center monorail station per plan. mechanical work included this permit. 370 THOMAS ST SEATTLE |
$15,000,000 | 90 |
| 2026-06-29 | This project consists of a tpo overlay over the existing roofing system.a new 1/2" hd cover board will be mechanically fastened to the subst 2600 SW BARTON ST SEATTLE |
$73,781 | 50 |
| 2026-06-23 | Construct tenant improvements to existing commercial building (seattle art museum) at level 2 occupy per plan. mechanical included. 1300 1ST AVE SEATTLE |
$500,000 | 70 |
| 2026-06-18 | Construct interior alterations to laboratory on level 01 for uw medical center per plan. mechanical included. 1959 NE PACIFIC ST SEATTLE |
$786,000 | 70 |
| 2026-06-18 | Tpo overlay scope for 2501 elliot/11 vine street that removes selected existing flashing and metal components installs a mechanically attach 2501 ELLIOTT AVE SEATTLE |
$370,305 | 65 |
| 2026-06-16 | Construct tenant improvements to 1st floor of mixed-use building (dave's hot chicken / gong cha) occupy per plan. mechanical included. 4706 CALIFORNIA AVE SW SEATTLE |
$850,000 | 70 |
| 2026-06-15 | This is a lay over exiting roof with a pvc membrane and polyiso mechanically attached. 1135 NW LEARY WAY SEATTLE |
$215,145 | 50 |
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