Updated: Jun 04, 2026
Location and Projects
Address
15610 40th Ave W, Lynnwood, WA, 98087
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Cozy Sound HVAC/Mechanical Contractor
Cozy Sound, 15610 40th Ave W, Lynnwood, WA (Owned by: Jiao, Yuxi) holds a Construction Contractor, Heating/Vent/Air Conditioning And Refrig (Hvac/R) license and 1 other license according to the Tukwila license board.
Their BuildZoom score of 112 ranks in the top 3% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cozy Sound, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Cozy Sound Contact Information
Phone Number: (360) 721-9506
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Address: 15610 40th Ave W, Lynnwood, WA 98087
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Cozy Sound Lynnwood
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cozy Sound has a BuildZoom score of 112, which places them above 97% of 128,670 contractors in Washington.
Activity
|
33 projects
|
2025 |
|
17 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Cozy Sound has worked on at least
55.0 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
|
Home Additions |
|
4 projects
|
New Constructions |
|
46 projects
|
Mechanical projects |
|
37 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Cozy Sound mostly works on
mechanical project
and hvac project
projects.
Pricing
|
1 project
|
< $5k |
|
4 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
The typical size of their permits is approximately $10,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
A single family residential new structure none project involving (1 dryer exhaust duct 7 bathroom fan 1 laundry fan 2 kitchen fan 1 duct work only 2 heat pump )
Valuation:
N/A
Permit #:
25 110671 BK
Status:
issued
Fee:
$553
Permit Type:
N/A
Building Type:
N/A
A single family residential new structure none project involving (1 stove or cooktop 1 gas piping only (no fixtures) 7 bathroom fan 1 kitchen fan 1 whole house fan 1 appliance vent only 2 heat pump )
Valuation:
N/A
Permit #:
25 120210 BK
Status:
issued
Fee:
$577
Permit Type:
N/A
Building Type:
N/A
Mini-splits and vents. (1) dryer vent + (8) ductless heads + (10) exhuast fans + (2) heat pumps + (1) range exhaust - 2021 imc
Valuation:
$40,000
Permit #:
MECH-2025-02233
Status:
issued
Fee:
$1,079
Permit Type:
N/A
Building Type:
N/A
Type: mechanical single family class: alteration to structure or system wang: remove existing gas furnace install ducted electric heat pump
Valuation:
N/A
Permit #:
MSF25-03955
Status:
final
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
Type: mechanical multifamily class: new structure zhang: 3 ceiling cassette units 1 outdoor unit set on flat roof surface
Valuation:
N/A
Permit #:
MMF25-01507
Status:
issued
Fee:
$462
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 bathroom fan 1 kitchen fan)
Valuation:
N/A
Permit #:
25 111859 BK
Status:
final
Fee:
$85
Permit Type:
N/A
Building Type:
N/A
Type: mechanical single family class: alteration to structure or system liu: ducted heat pump installation
Valuation:
N/A
Permit #:
MSF25-03881
Status:
final
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
Chen mechanical a (single family residential) (alteration) project involving 1 heat pump exterior interior
Valuation:
N/A
Permit #:
MEC25-00097
Status:
final
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 heat pump )
Valuation:
N/A
Permit #:
25 111854 BK
Status:
final
Fee:
$76
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 heat pump )
Valuation:
N/A
Permit #:
25 111559 BK
Status:
final
Fee:
$76
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 heat pump )
Valuation:
N/A
Permit #:
25 111558 BK
Status:
final
Fee:
$76
Permit Type:
N/A
Building Type:
N/A
A nonresidential alteration to existing structure none project involving (4 diffusers or grilles =
Valuation:
N/A
Permit #:
25 111124 BK
Status:
final
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
(1) dryer vent (7) exhaust fan- connect 1 dryer roof vent connect 7-bathroom vents- 2021 imc
Valuation:
$3,200
Permit #:
MECH-2025-01569
Status:
final
Fee:
$518
Permit Type:
N/A
Building Type:
N/A
Duct work heat pump for new construction (1) ductwork system (1) heat pump 2021 imc
Valuation:
$36,000
Permit #:
MECH-2024-08562
Status:
final
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
Type: mechanical single family class: alteration to structure or system springbrook square townhomes - feng: replace existing furnace to heat pump
Valuation:
N/A
Permit #:
MSF24-03727
Status:
expired
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Heat pump installation (1) air handler (1) heat pump 2021 imc
Valuation:
$10,000
Permit #:
MECH-2025-03391
Status:
final
Fee:
$238
Permit Type:
N/A
Building Type:
N/A
Project name: sun mechanical, , a (single family residential) (repair or replacement) project involving 1 air conditioner
Valuation:
N/A
Permit #:
B2023-0268
Status:
final
Fee:
$46
Permit Type:
N/A
Building Type:
N/A
Type: mechanical single family class: alteration to structure or system, , smith & koivukoski: outdoor unit set on backyard replace existing furnace; addition air conditioning coil
Valuation:
N/A
Permit #:
MSF24-09653
Status:
final
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 furnace
Valuation:
N/A
Permit #:
25 119845 BK
Status:
final
Fee:
$133
Permit Type:
N/A
Building Type:
N/A
A nonresidential alteration to existing structure project installing {2-air handler} 2 air handlers relocation. **plan review waived by nate geller**
Valuation:
N/A
Permit #:
23 128060 BK
Status:
final
Fee:
$489
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Cozy Sound License info
Verified License
| License # | COZYSS*772DH |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, Heating/Vent/Air Conditioning And Refrig (Hvac/R) |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Cozy Sound at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | COZYSS*772DH |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Cozy Sound at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
Insured
| Insurer | Colonial Surety Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Colonial Surety Company |
| Bond Value | $6,000 |
55
Permits
- Building permit records show that Cozy Sound has worked on 55 permitted projects.
Cozy Sound Employees
JY
Jiao, Yuxi
Owner
YJ
Yuxi Jiao
Partner/Member