Updated: May 26, 2026
Location and Projects
Address
1400 AIRPORT WAY S STE 202, Seattle, WA, 98134
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United Systems Mechanical
United Systems Mechanical, 1400 Airport Way S, Seattle, WA (Owned by: Gangnes, Tyler Jeffrey) holds a Contractor license and 6 other licenses according to the Marysville license board.
Their BuildZoom score of 115 ranks in the top 2% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring United Systems Mechanical, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
United Systems Mechanical Contact Information
Phone Number: (206) 933-6036
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Address: 1400 AIRPORT WAY S STE 202, Seattle, WA 98134
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United Systems Mechanical Seattle
Quality
115
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
United Systems Mechanical has a BuildZoom score of 115, which places them above 98% of 128,670 contractors in Washington.
Activity
|
1 project
|
2026 |
|
31 projects
|
2025 |
|
29 projects
|
2024 |
|
38 projects
|
2023 |
Our building permit records indicate that United Systems Mechanical has worked on at least
99.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
7 projects
|
New Constructions |
|
5 projects
|
Home Additions |
|
4 projects
|
Commercial Renovations |
|
62 projects
|
HVAC projects |
|
58 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that United Systems Mechanical mostly works on
hvac project
and mechanical project
projects.
Pricing
|
15 projects
|
< $5k |
|
22 projects
|
$5k-$20k |
|
16 projects
|
$20k-$50k |
|
6 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
2 projects
|
$1mil+ |
The typical size of their permits is approximately $15,000. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by United Systems Mechanical
This is a sample of this contractor's permits. Click here to access their complete permit history.
Plymouth houseing: 2021 imc - (11) dryer vents + (122) ductless heads + (13) ductwork systems + (3) exhaust fans + (1) fan coil unit + (12) heat pumps + (100) range exhausts + (7) other ervs - hvac for 7 story supportive housing apartment building
Valuation:
$1,870,000
Permit #:
MECH-2025-02324
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tru dental- (1) dryer vent (2) exhaust fans (2) heat pumps (1) other erv- two high efficiency spli-system heat pumps refrigerant piping condensate piping erv louver diffusers and ductwork per plan one inline exhaust fan dryer exhaust ductwork with booster exhaust fan controls- 2021 imc
Valuation:
$54,000
Permit #:
MECH-2025-01479
Status:
final
Fee:
$2,615
Permit Type:
N/A
Building Type:
N/A
Gridiron restaurant buildout ix new split-system heat pumps type i kitchen hood make-up air unit rooftop exhaust fan three new exterior louvers relocate one exterior louver four new erv's new type i grease duct tied to the existing grease duct riser new associated diffusers grilles ductwork dampers per plan
Valuation:
$450,000
Permit #:
7010846-ME
Status:
issued
Fee:
$6,280
Permit Type:
N/A
Building Type:
Commercial
Seattle country day school - science classrooms permit revision a) erv-102 and erv-103 are now going to be installed in a different location on the same floor. b) the four new erv ductwork roof penetrations are now shown in different locations
Valuation:
$40,500
Permit #:
7073889-ME-003
Status:
complete
Fee:
$575
Permit Type:
Add/alt
Building Type:
Commercial
Suite 101 dr. narang: 2021 imc - (1) dryer vent + (6) exhaust fans - phase i: replace the existing diffusers and grilles in the new ceiling grid per plan replace one existing ceiling exhaust fan one new ceiling exhaust fan one new inline exhaust fan one new dryer exhaust duct new exhaust ductwork per plan. one new ceiling diffuser one new transfer air grille set. phase ii: replace the... see more
Valuation:
$16,500
Permit #:
MECH-2025-02202
Status:
issued
Fee:
$1,002
Permit Type:
N/A
Building Type:
N/A
Replace eight existing diffusers with new. addition two additional diffusers. addition seven existing transfer air grilles. replace two existing plastic return air griles with al grilles. ***see revision below****original scope: addition (2) new ceiling exhaust fans. addition (1) new dryer exhaust duct with (1) dryer booster fan. 25-111555 bz postrev2: delete the dryer exhaust ductwor... see more
Valuation:
N/A
Permit #:
25 110988 BL
Status:
issued
Fee:
$1,175
Permit Type:
N/A
Building Type:
N/A
Hvac of common areas corridors and parking garage for 6-story mixed-use apartment building. original plans reviewed and approved under permit number bldcn20-0027 small revisions submitted with this plan set. this permit application is for fixture count per notes in bldcn20-0027
Valuation:
$300,000
Permit #:
MECHC22-0244
Status:
final
Fee:
$5,652
Permit Type:
New
Building Type:
N/A
Greenwood pt tenant improvement. 3 new through the wall erv's new floor grille relocate seven existing floor grilles relocate two existing return air grilles four new ceiling mounted exhaust fans new dryer exhaust duct. per plans
Valuation:
$9,200
Permit #:
7066164-ME
Status:
complete
Fee:
$1,427
Permit Type:
N/A
Building Type:
Commercial
Dr. mcgraw tenant improvement. re-install all the existing grilles and diffusers in the new ceiling grid. two new supply air diffuses dryer exhaust ductwork up through roof two new in-line exhaust fans per plans
Valuation:
$10,900
Permit #:
7066889-ME
Status:
issued
Fee:
$860
Permit Type:
N/A
Building Type:
Commercial
Two dryer exhaust ducts one make-up air fan and duct residential range exhaust duct twenty-two new ventilation air trickle vents relocating existing grilles per plan cap off existing grilles per plan
Valuation:
$25,000
Permit #:
BLD2025-0011
Status:
applied
Fee:
$1,236
Permit Type:
N/A
Building Type:
Commercial - mech...
Gridline apartments north refrigeration piping for (126) ductless split system heat pumps serving the residential units and (7) split system heat pumps serving the common areas and equipment rooms. outdoor units located in parking garage and on the roof
Valuation:
$300,000
Permit #:
6935563-RF
Status:
issued
Fee:
$6,262
Permit Type:
N/A
Building Type:
Multifamily
Carter subaru - leary way service building hvac work under sdci record #6552404-cn010/#6552402-cn-010 and 2015 seattle energy code. five new gas-fired radiant heaters seven ceiling mounted exhaust fans two service bay rooftop exhaust fans two make-up air roof hoods nine electric wall heaters one erv and assoicated ductwork per plans
Valuation:
$71,000
Permit #:
7012446-ME
Status:
triage
Fee:
$847
Permit Type:
N/A
Building Type:
Commercial
Dr. raval - hvac equipment replacement replace one existing rooftop heat pump with new - like-for-like replace two existing 4-ton split-system heat pumps with new -like-for-like
Valuation:
N/A
Permit #:
MEC25-00284
Status:
issued
Fee:
$1,363
Permit Type:
N/A
Building Type:
N/A
Walsh office tenant improvement walsh construction office tenant improvement. 3rd floor - one new 5-ton split-system heat pump and erv two combination fire/smoke dampers and associated ductwork. 4th floor - one new 2.5-ton split-system air conditioner to serve it room
Valuation:
$35,000
Permit #:
7041053-ME
Status:
filed
Fee:
$625
Permit Type:
N/A
Building Type:
Commercial
Relocate one existing vav box replace all the diffusers and grilles with new addition new diffusers and grilles per plan ductwork modifications and two new inline exhaust fans. note: no plan review required based on description of work. attachment was not reviewed for approval and is for reference only
Valuation:
$19,750
Permit #:
M24001265
Status:
complete
Fee:
$195
Permit Type:
N/A
Building Type:
N/A
Relocate 5 existing diffusers and 2 existing return air grilles one new ceiling diffuser and associated ductwork two new perforated transfer air grille sets
Valuation:
N/A
Permit #:
MEC25063
Status:
final
Fee:
$466
Permit Type:
N/A
Building Type:
N/A
Portage bay cafe (retail space 3 & 4) three new split-system heat pumps two new erv's (doas) one type i kitchen hood and associated rooftop exhaust fan ductwork per plan condensate piping thermostats per plans
Valuation:
$210,000
Permit #:
6983131-ME
Status:
issued
Fee:
$4,943
Permit Type:
N/A
Building Type:
Commercial
Desc woodland install refrigerant pipe for (2) vrf systems with (2) bc's and (15) fan coils and refrigerant pipe for (3) split systems
Valuation:
$30,000
Permit #:
7081287-RF
Status:
issued
Fee:
$290
Permit Type:
N/A
Building Type:
Commercial
Dr bartolo espana dentistry- ductwork distribution off two existing ducted fan coil units erv and associated ductwork one inline exhaust fan and two new louvers
Valuation:
$41,500
Permit #:
M25001461
Status:
complete
Fee:
$201
Permit Type:
N/A
Building Type:
N/A
Type: mechanical non-residential class: alteration to structure or system kennedy wilson properties (bnr24-01031): relocate 2 existing diffusers reinstall 8 existing diffusers reinstall 6 existing return grilles replace 4 existing diffusers replace 2 existing return air grilles
Valuation:
N/A
Permit #:
MNR24-07298
Status:
plancheck
Fee:
$295
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
United Systems Mechanical License info
Verified License
| License # | UNITESM813QO |
| Status | Active |
| City | Marysville |
| Type | Contractor |
| Business Type | Corporation, Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for United Systems Mechanical at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | UNITESM813QO |
| Status | Active |
| City | Tukwila |
| Type | Electrical Contractor, Hvac/Rfrg |
| Class | Limited Liability Company |
| Business Type | Corporation, Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of November, 2025. Check the current license status of United Systems Mechanical with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | UNITESM813QO |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Business Type | Corporation, Limited Liability Company |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for United Systems Mechanical at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | UNITESM962QA |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation, Limited Liability Company |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for United Systems Mechanical at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | UNITESM962QA |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation, Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for United Systems Mechanical at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | UNITESM962QA |
| Status | Inactive |
| City | Marysville |
| Type | Contractor |
| Business Type | Corporation, Limited Liability Company |
- According to the The City of Marysville, Washington, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for United Systems Mechanical at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | UNITESM965QD |
| Status | Inactive |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Business Type | Corporation, Limited Liability Company |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for United Systems Mechanical at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
115
BuildZoom Score
Insured
| Insurer | Scottsdale Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | American States Insurance Co |
| Bond Value | $12,000 |
1K
Permits
- Building permit records show that United Systems Mechanical has worked on 1004 permitted projects.
United Systems Mechanical Employees
GJ
Gangnes, Tyler J
Owner
GJ
Gangnes, Tyler Jeffrey
Owner
JL
John Lapham
Member
LS
Leslie Sargeant
President
SL
Sargeant Leslie
Partner/Member
TG
Tyler Gangnes
Member