Updated: May 26, 2026
Location and Projects
Address
36212 Swede Heaven Rd, Arlington, WA, 98223
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Thomas Mechanical LLC Photos
Thomas Mechanical LLC
A skilled HVAC contractor can make all the difference in the efficiency and longevity of your heating and cooling system. At Thomas Mechanical, I take pride in my work, and I’ll make sure that your system will keep your residence comfortable at any time of the year. I can promise you the best service possible because we are just a locally owned and family owned business so we understand your needs and are here for you anytime 7 days a week. We offer fast, efficient, and affordable installation.
When you work with Thomas Mechanical LLC, we will sit down with you to discuss your needs and help you find the best solution for your budget. I pride myself on working hard to ensure not only affordability, but quality and complete customer satisfaction as well. So whether you need installation of an Air Conditioner, Heat Pump, Gas/ Electric Furnace or just gas piping to your new appliance, I will provide the speedy, high-quality service you can depend on.
From BuildZoom: Thomas Mechanical LLC, 36212 Swede Heaven Rd, Arlington, WA (Employee: Thomas, Zachary A) holds a Contractor license and 2 other licenses according to the Marysville license board.
Their BuildZoom score of 119 ranks in the top 1% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Thomas Mechanical LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Thomas Mechanical LLC Services
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Thomas Mechanical LLC Contact Information
Phone Number: (425) 905-9882
Address: 36212 Swede Heaven Rd, Arlington, WA 98223
Thomas Mechanical LLC Arlington
Quality
119
99th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Thomas Mechanical LLC has a BuildZoom score of 119, which places them above 99% of 128,670 contractors in Washington.
Activity
|
11 projects
|
2025 |
|
18 projects
|
2024 |
|
35 projects
|
2023 |
Our building permit records indicate that Thomas Mechanical LLC has worked on at least
64.0 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
|
19 projects
|
New Constructions |
|
45 projects
|
HVAC projects |
|
21 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Thomas Mechanical LLC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
2 projects
|
< $5k |
|
26 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
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.
Thomas Mechanical LLC Reviews
5 out of 5 stars, based on
1
review
-
By Nicholi S.December 16, 2016new gas furnace$1800.1 day
Building Permits by Thomas Mechanical LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Demolition of existing single family residence new construction of single family residence with attached garage. **demo done under seperate permit 22-109089 be** includes mechanical electrical and plumbing. includes right-of-way clearing & grading and storm connection
Valuation:
N/A
Permit #:
22 118164 BS
Status:
issued
Fee:
$24,133
Permit Type:
N/A
Building Type:
N/A
Install 2 new heat pumps and 2 new air handlers. 5 bathroom fans and 1 whole house fan. 1 range venting. 1 fresh air
Valuation:
$40,000
Permit #:
7063844-FR
Status:
issued
Fee:
$238
Permit Type:
N/A
Building Type:
Single family/duplex
A single family residential alteration to existing structure none project involving (1 barbecue 1 gas piping only (no fixtures))
Valuation:
N/A
Permit #:
25 114651 BK
Status:
issued
Fee:
$133
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 air conditioner) **add 1 duct work only**
Valuation:
N/A
Permit #:
25 106278 BK
Status:
issued
Fee:
$133
Permit Type:
N/A
Building Type:
N/A
Friendship circle refrigeration permit installation of 2 new roof top unit heat pumps
Valuation:
$82,000
Permit #:
7079699-RF
Status:
issued
Fee:
$112
Permit Type:
N/A
Building Type:
Multifamily
A single family residential addition to existing structure none project involving (1 generator 1 gas piping only (no fixtures))
Valuation:
N/A
Permit #:
25 100342 BK
Status:
issued
Fee:
$133
Permit Type:
N/A
Building Type:
N/A
A single family residential new structure none project involving (1 fireplace insert - gas 1 generator 2 water heater - tankless 1 stove or cooktop 1 barbecue 1 gas piping only (no fixtures) 1 appliance vent only)
Valuation:
N/A
Permit #:
22 103863 BK
Status:
final
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 duct work only)
Valuation:
N/A
Permit #:
25 109058 BK
Status:
final
Fee:
$76
Permit Type:
N/A
Building Type:
N/A
Type: mechanical single family class: alteration to structure or system, , sievert (re: bsf19-03990)- outdoor units when they arrive. exhaust fan with duct - bath; exhaust fan with duct - laundry; exhaust fan with duct - whole house
Valuation:
N/A
Permit #:
MSF21-02502
Status:
final
Fee:
$286
Permit Type:
N/A
Building Type:
N/A
926 nw 57th st unit b ref install one new mini split heat pump. 4 new bathroom fans i new range venting and 1 new dryer venting
Valuation:
$15,000
Permit #:
7100953-RF
Status:
issued
Fee:
$77
Permit Type:
N/A
Building Type:
Single family/duplex
926 nw 57th st unit b install one new mini split heat pump. 4 new bathroom fans i new range venting and 1 new dryer venting
Valuation:
$15,000
Permit #:
7100952-FR
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
Single family/duplex
928 nw 57th st unit b install one new mini split heat pump. 4 new bathroom fans i new range venting and 1 new dryer venting
Valuation:
$15,000
Permit #:
7100950-FR
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
Single family/duplex
Install 1 new heat pump. 1 range venting 1 dryer venting 1 bathroom fan venting
Valuation:
$10,000
Permit #:
7063848-FR
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
Single family/duplex
A single family residential new structure none project involving (1 bathroom fan 1 laundry fan 1 kitchen fan 1 whole house fan 2 exhaust fan with duct 2 furnace
Valuation:
N/A
Permit #:
22 103862 BK
Status:
final
Fee:
$371
Permit Type:
N/A
Building Type:
N/A
928 nw 57th st unit a install 1 new mini split heat pump. install 4 bathroom fans. 1 range venting. 1 dryer venting
Valuation:
$15,000
Permit #:
7100518-FR
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
Single family/duplex
Single family residence ref install 2 new heat pumps
Valuation:
$40,000
Permit #:
7063846-RF
Status:
issued
Fee:
$112
Permit Type:
N/A
Building Type:
Single family/duplex
Pacific plaza- chiro offc- mechanical remote terminal unit, replace 1 remote terminal unit heat pump with a new 3 ton remote terminal unit heat pump
Valuation:
N/A
Permit #:
BLD2024-0778
Status:
final
Fee:
$285
Permit Type:
N/A
Building Type:
N/A
515 31st ave e single family residence install 2 new mini split heat pumps one hrv 2 bathroom fans 1 whole house fan and range venting
Valuation:
$30,000
Permit #:
7024080-FR
Status:
issued
Fee:
$112
Permit Type:
N/A
Building Type:
Single family/duplex
926 nw 57th st unit a install one new mini split heat pump. 4 bathroom fans. range venting. dryer venting
Valuation:
$15,000
Permit #:
7100512-FR
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
Single family/duplex
9456 26th ave sw mechanical install 1 new mini split heat pump. range venting bathroom fan whole house fan
Valuation:
$9,000
Permit #:
7107067-FR
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
Single family/duplex
Verified License
BuildZoom confirmed this contractor's license
Thomas Mechanical LLC License info
Verified License
| License # | THOMAML855OP |
| Status | Active |
| City | Marysville |
| Type | Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Thomas Mechanical LLC at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | THOMAML855OP |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, Heating/Vent/Air Conditioning And Refrig (Hvac/R) |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- According to the The City of Tukwila, WA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Thomas Mechanical LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | THOMAML855OP |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | 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.
Check this license's status for Thomas Mechanical LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
119
BuildZoom Score
Insured
| Insurer | Mesa Underwriters Specialty In |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Wesco Insurance Co |
| Bond Value | $6,000 |
162
Permits
- Building permit records show that Thomas Mechanical LLC has worked on 162 permitted projects.
Thomas Mechanical LLC Employees
TA
Thomas, Zachary A
Manager
Perfect. The young men who came to install a new gas furnace for us made swift work of it. Knowledgable, professional & thoughtful too.
Would not hesitate to call again, a pleasure to deal with! Thank you, Thomas Mechanical!