Commercial building permits in Seattle, WA

403 building permits on commercial and multifamily jobs in the last 90 days, declaring $419M of work. See the contractor on every job and get new ones by email each morning.

Newest permit in Seattle issued October 28, 2026

Get every Seattle building lead

403
Building permits, commercial jobslast 90 days: $419M
Declared value: 1,748
All commercial projects in Seattlelast 90 days

Updated daily

Latest building projects in Seattle

10540 4th Ave Ne
$565K
Change of use from general retail sales and services to restaurant per land use code. Construct tenant improvements for restaurant (Shake Shack) occupy per plans
Oct 28commercialBuilding, HVAC / Mechanical
Zip Mechanical
1101 Westlake Ave N
$2.4M
Change of use from office to medical services (laboratory) pre land use code. Construct tenant improvements for medical office & laboratory throughout existing commercial…
Oct 28commercialBuilding, Electrical, Fire protection, HVAC / Mechanical
Cochran, Inc.
1120 W Ewing St

Building permits per weekHover a bar for the week

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Week of	Permits
Jul 27	0
Aug 3	31
Aug 10	34
Aug 17	41
Aug 24	32
Aug 31	30
Sep 7	26
Sep 14	37
Sep 21	18
Sep 28	41
Oct 5	19
Oct 12	39
Oct 19	34

Most active on building permits

Building permits in Seattle: key facts

In the 90 days to October 30, 2026, Seattle issued 403 general building permits on commercial and multifamily jobs, declaring $419M of work.
That is 17% of all commercial and multifamily permits in Seattle in the period.
The most active general building contractor was Blanket: Market Place Office (1 permits).
Half of these permits were issued within 52 days of application.
Compare general building permits across cities on the national general building page.

Source: building permit records from official city open-data portals, checked daily. Data through October 28, 2026. How we count

Building jobs, contractor now public

Contractors are named 30 days after the first permit; Pro sees them the day it’s issued.

1708 25th AveDemolish existing multifamily building per plan.multifamilyBuilding, Demolition, Electrical

Issued	Project	Type	Project value	Contractor
Oct 28	10540 4th Ave Ne Change of use from general retail sales and services to restaurant per land use code. Construct tenant improvements for restaurant (Shake Shack) occupy per plans	commercialBuilding, HVAC / Mechanical	$565K	Zip Mechanical
Oct 28	1101 Westlake Ave N Change of use from office to medical services (laboratory) pre land use code. Construct tenant improvements for medical office & laboratory throughout existing commercial…	commercialBuilding, Electrical, Fire protection, HVAC / Mechanical	$2.4M	Cochran, Inc.
Oct 28	1120 W Ewing St Establish use as office (previous use per applicant was office and proposed use is office) per land use code.Tenant improvements at levels 1 and 2 for office (Brinc at West Canal…	commercialBuilding, Electrical, Fire protection, HVAC / Mechanical	$1.1M	Titan Electric Inc
Oct 28	1221 Madison St Construct blanket permit tenant improvements to Swedish Cellular Therapy on the 10th & 11th floors of existing commercial building per plan.	commercialBuilding, Electrical, Elevator, Fire protection, HVAC / Mechanical	$3.9M	Macdonald Miller Facility Solutions Llc
Oct 28	13500 32nd Ave Ne Construct new commercial structure (Toyota Service Center) occupy per plan.	commercialBuilding, Electrical, HVAC / Mechanical	$3M	Oeg, Inc
Oct 28	1400 6th Ave Installed new escalator controller, new drive chain, new HR drive chain on gear box, new HR and mid-shaft drives and new step chain - UP Escalator EQP-SI-04207 / EQP-CY-00563…	commercialBuilding, Electrical, Elevator, HVAC / Mechanical	$667K	Macdonald Miller Facility Solutions Llc
Oct 28	14043 32nd Ave Ne Construct alterations to existing restroom structure and site improvements (Little Brook Park) per plan.	commercialBuilding	$2.2M	Contractor not published
Oct 28	1420 5th Ave Construct blanket permit tenant improvements to PwC on the 27th and 28th floors of existing commercial building per plan.	commercialBuilding, Electrical, Elevator, Fire protection, HVAC / Mechanical, Signs	$11.5M	Pride Electric, Inc
Oct 28	1616 Eastlake Ave E Construct tenant improvement for office/laboratory in the central south area of 3rd floor of exiting commercial building per plan.	commercialBuilding, Electrical, Elevator, Fire protection, HVAC / Mechanical	$5.6M	Tk Elevator

Issued

Project

Type

Project value

Contractor

Oct 28

10540 4th Ave Ne

Change of use from general retail sales and services to restaurant per land use code. Construct tenant improvements for restaurant (Shake Shack) occupy per plans

commercialBuilding, HVAC / Mechanical

$565K

Zip Mechanical

Oct 28

1101 Westlake Ave N

Change of use from office to medical services (laboratory) pre land use code. Construct tenant improvements for medical office & laboratory throughout existing commercial…

commercialBuilding, Electrical, Fire protection, HVAC / Mechanical

$2.4M

Cochran, Inc.

Oct 28

1120 W Ewing St

Establish use as office (previous use per applicant was office and proposed use is office) per land use code.Tenant improvements at levels 1 and 2 for office (Brinc at West Canal…

commercialBuilding, Electrical, Fire protection, HVAC / Mechanical

$1.1M

Titan Electric Inc

Oct 28

1221 Madison St

Construct blanket permit tenant improvements to Swedish Cellular Therapy on the 10th & 11th floors of existing commercial building per plan.

commercialBuilding, Electrical, Elevator, Fire protection, HVAC / Mechanical

$3.9M

Macdonald Miller Facility Solutions Llc

Oct 28

13500 32nd Ave Ne

Construct new commercial structure (Toyota Service Center) occupy per plan.

commercialBuilding, Electrical, HVAC / Mechanical

$3M

Oeg, Inc

Oct 28

1400 6th Ave

Installed new escalator controller, new drive chain, new HR drive chain on gear box, new HR and mid-shaft drives and new step chain - UP Escalator EQP-SI-04207 / EQP-CY-00563…

commercialBuilding, Electrical, Elevator, HVAC / Mechanical

$667K

Macdonald Miller Facility Solutions Llc