Updated: May 13, 2026
Location and Projects
Address
8431 30TH ST SE, Lake Stevens, WA, 98258
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Good Guys Heating Air & El Cor
Good Guys Heating Air & El Cor, 8431-30 Th St SE, Lake Stevens, WA (Owned by: Swetman, Seth Thomas) holds a Construction Contractor, General license and 3 other licenses according to the Tukwila license board.
Their BuildZoom score of 111 ranks in the top 4% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Good Guys Heating Air & El Cor, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Good Guys Heating Air & El Cor Services
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Good Guys Heating Air & El Cor Contact Information
Phone Number: (425) 760-1433
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Address: 8431 30TH ST SE, Lake Stevens, WA 98258
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Good Guys Heating Air & El Cor Lake Stevens
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Good Guys Heating Air & El Cor has a BuildZoom score of 111, which places them above 96% of 128,670 contractors in Washington.
Activity
|
1 project
|
2026 |
|
60 projects
|
2025 |
|
46 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Good Guys Heating Air & El Cor has worked on at least
108.0 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
|
52 projects
|
New Constructions |
|
106 projects
|
HVAC projects |
|
7 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Good Guys Heating Air & El Cor mostly works on
hvac project
and new construction
projects.
Pricing
|
61 projects
|
< $5k |
|
62 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $5,000. 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 Good Guys Heating Air & El Cor
This is a sample of this contractor's permits. Click here to access their complete permit history.
Type: mechanical single family class: alteration to structure or system, , [2021 irc] tee (esf24-04397): install heat pump
Valuation:
N/A
Permit #:
MSF24-03786
Status:
final
Fee:
$91
Permit Type:
N/A
Building Type:
N/A
Type: electrical multifamily class: alteration to structure or system, , white: installing (8) feeders (20) receptacle circuits and (12) switch circuits
Valuation:
N/A
Permit #:
EMF24-01468
Status:
final
Fee:
$612
Permit Type:
N/A
Building Type:
N/A
350 sf addition to existing single family home with primary suite and living room interior alterations. includes clearing & grading. includes mechanical electrical & plumbing. 25 110999 db
Valuation:
N/A
Permit #:
25 113253 BR
Status:
issued
Fee:
$6,840
Permit Type:
N/A
Building Type:
N/A
(3) circuits (16) other 14 lights 2 exhaust fan rewires 2023 nec - altering 3 circuits 15-30amp after tree fall. 14 lights and 2 exhaust fans
Valuation:
$6,000
Permit #:
ELEC-2025-03331
Status:
final
Fee:
$237
Permit Type:
N/A
Building Type:
N/A
A single family residential repair or replacement electrical project involving (1 service change 126-200 amps 4 small kitchen appliance 1 range or oven 1 clothes dryer 8 receptacles 14 added or altered branch circuits)
Valuation:
N/A
Permit #:
24 111434 BF
Status:
final
Fee:
$946
Permit Type:
N/A
Building Type:
N/A
A nonresidential alteration to existing structure electrical project involving (1 gate 1 added or altered branch circuits)
Valuation:
N/A
Permit #:
25 113731 BF
Status:
final
Fee:
$404
Permit Type:
N/A
Building Type:
N/A
Install: new ductless hp 3 wall units ducting for kitchen hood exhaust fan bathroom fan laundry fan
Valuation:
$5,000
Permit #:
M25002020
Status:
issued
Fee:
$273
Permit Type:
N/A
Building Type:
N/A
A single family residential repair or replacement electrical project involving (1 service change 1-125 amps 4 added or altered branch circuits)
Valuation:
N/A
Permit #:
25 122380 BF
Status:
issued
Fee:
$404
Permit Type:
N/A
Building Type:
N/A
Pauline bariola connect power to heat pump thermostat ev charger disconnect service outlet
Valuation:
$3,000
Permit #:
7090972-EL
Status:
complete
Fee:
$338
Permit Type:
Remodel or repair
Building Type:
Single family/duplex
Mara chang-northway install ductless unit and 4 heads - connect to electrical addition level 2 ev charger panasonic combo fan
Valuation:
$2,000
Permit #:
7098440-EL
Status:
issued
Fee:
$183
Permit Type:
Remodel or repair
Building Type:
Single family/duplex
Mark martin install new heat pump multi zone connect to existing & t stat
Valuation:
$1,000
Permit #:
7092118-EL
Status:
issued
Fee:
$96
Permit Type:
Remodel or repair
Building Type:
Single family/duplex
Doug sharp connect heat pump to existing power new 200 amp panel 2 circuits
Valuation:
$1,000
Permit #:
7091213-EL
Status:
complete
Fee:
$347
Permit Type:
Remodel or repair
Building Type:
Single family/duplex
A single family residential repair or replacement electrical project involving (1 service change 126-200 amps 20 added or altered branch circuits) 23124485
Valuation:
N/A
Permit #:
24 101859 BF
Status:
final
Fee:
$519
Permit Type:
N/A
Building Type:
N/A
Chris rose install heat pump - provide power addition 2 branch boxes
Valuation:
$1,000
Permit #:
7065958-EL
Status:
issued
Fee:
$136
Permit Type:
Remodel or repair
Building Type:
Single family/duplex
Pradu24-000028 helen j2 model
Valuation:
$138,147
Permit #:
B24004656
Status:
complete
Fee:
$338
Permit Type:
N/A
Building Type:
N/A
Matt johnson cadet heater & connect power to ductless heat pump [cf 10/24/2025 added fee for heater circuit]
Valuation:
$1,000
Permit #:
7107550-EL
Status:
issued
Fee:
$96
Permit Type:
Remodel or repair
Building Type:
Single family/duplex
Joy undem altering 4 circuits 11 light fixtures 1 exhaust fan
Valuation:
$8,000
Permit #:
7091995-EL
Status:
issued
Fee:
$168
Permit Type:
Remodel or repair
Building Type:
Single family/duplex
Toma samsung 4 ton multiple positional heat pump
Valuation:
$20,000
Permit #:
7081060-RF
Status:
complete
Fee:
$77
Permit Type:
N/A
Building Type:
Single family/duplex
Harradine heat pump install - connect to existing electrical
Valuation:
$1,000
Permit #:
7078430-EL
Status:
complete
Fee:
$96
Permit Type:
Remodel or repair
Building Type:
Single family/duplex
Matt johnson install ductless heat pump with 4 heads
Valuation:
$5,000
Permit #:
7107551-FR
Status:
complete
Fee:
$59
Permit Type:
N/A
Building Type:
Single family/duplex
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Verified License
BuildZoom confirmed this contractor's license
Good Guys Heating Air & El Cor License info
Verified License
| License # | GOODGGH770ML |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Good Guys Heating Air & El Cor at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | GOODGGH779QF |
| Status | Active |
| City | Tukwila |
| Type | Electrical Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of November, 2025. Check the current license status of Good Guys Heating Air & El Cor with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | GOODGGH779QF |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Good Guys Heating Air & El Cor 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 # | GOODGGH770ML |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Good Guys Heating Air & El Cor at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Insured
| Insurer | State National Ins Co Inc |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Old Republic Surety Co |
| Bond Value | $12,000 |
106
Permits
- Building permit records show that Good Guys Heating Air & El Cor has worked on 106 permitted projects.
Good Guys Heating Air & El Cor Employees
SS
Seth Swetman
President
SS
Swetman, Seth
Owner
ST
Swetman, Seth Thomas
Owner