Updated: Jun 23, 2026
Location and Projects
Address
PO BOX 249, Auburn, WA, 98071
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Auburn Mechanical Inc
Auburn Mechanical Inc, Auburn, Po Box 249, Auburn, WA (Owned by: Thoday, David V) holds a Plumbing Contractor, Journey Level license and 7 other licenses 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 Auburn Mechanical Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Auburn Mechanical Inc Contact Information
Phone Number: (253) 838-9780
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Address: PO BOX 249, Auburn, WA 98071
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Auburn Mechanical Inc Auburn
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Auburn Mechanical Inc has a BuildZoom score of 112, which places them above 97% of 128,670 contractors in Washington.
Activity
|
53 projects
|
2025 |
|
61 projects
|
2024 |
|
63 projects
|
2023 |
Our building permit records indicate that Auburn Mechanical Inc has worked on at least
177.0 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
|
9 projects
|
Commercial Renovations |
|
7 projects
|
Home Additions |
|
4 projects
|
New Constructions |
|
97 projects
|
Mechanical projects |
|
67 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Auburn Mechanical Inc mostly works on
mechanical project
and hvac project
projects.
Pricing
|
17 projects
|
< $5k |
|
28 projects
|
$5k-$20k |
|
17 projects
|
$20k-$50k |
|
19 projects
|
$50k-$100k |
|
14 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
4 projects
|
$500k-$1mil |
|
12 projects
|
$1mil+ |
The typical size of their permits is approximately $30,000. 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 Auburn Mechanical Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
This is a tenant improvement to an existing building. work will include removing and replacing existing fan powered terminal units and associated ductwork adding new split systems for it/electrical closets and adding exhaust fans for new owner-provided equipment spaces. (5) ductwork system (3) exhaust fans (8) fan coil units (6) heat pumps 2021 imc
Valuation:
$1,601,299
Permit #:
MECH-2025-03536
Status:
issued
Fee:
$57,105
Permit Type:
N/A
Building Type:
N/A
Seahawks virginia mason athletic center athletic training rooms. plumbing alterations to existing athletic training facility. replace multiple fixtures in place. addition new fixtures. note: attachment was not reviewed for approval and is for reference only
Valuation:
$88,700
Permit #:
P25000279
Status:
complete
Fee:
$566
Permit Type:
N/A
Building Type:
N/A
22 320 sf renovation of recent addition on levels 2 and 3 of existing 3 story medical office building. building out of medical office including tacoma family medicine (tfm) on level 2 and ob access clinic (obac) and graduate medical education (gme) on level 3
Valuation:
$506,051
Permit #:
PLMBC23-0221
Status:
final
Fee:
$2,648
Permit Type:
Remodel
Building Type:
N/A
A nonresidential alteration to existing structure project installing {1-dishwasher 1-back flow preventer - 1/2"} install of (1) owner-provided dishwasher and backflow preventer under cabinet in lobby coffee stand. plan review waived by evan harrison
Valuation:
N/A
Permit #:
25 113425 BN
Status:
final
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
(2) drinking fountain (1) electric water heater (4) floor drain (1) shower/valve replacement (22) bathroom sinks (2) floor sinks (2) kitchen sinks (4) utility sinks (26) toilets (4) urinals 2021 upc this project consists of the renovation of 35 000 sq.ft. on levels 1 and 2 of an existing building for a higher education tenant improvement. programming includes classrooms conference off... see more
Valuation:
$478,445
Permit #:
PLUM-2025-03534
Status:
issued
Fee:
$5,690
Permit Type:
N/A
Building Type:
N/A
(1) ductwork system 2021 imc - contractor is removing approx. 20 feet of existing compressed air piping and 10 feet of compressed air condensate drain piping. contractor is also adding a sound boot to a return grille within the room. the return grille and sound boot are not connected to any new or existing duct system and do not penetrate any partitions or fire-rated assemblies
Valuation:
$2,400
Permit #:
MECH-2025-03313
Status:
final
Fee:
$229
Permit Type:
N/A
Building Type:
N/A
The scope of work is strictly limited to coordinating and routing the mechanical refrigerant piping through the existing ceiling and soffits. this is to facilitate the installation of the associated fan coil units. please note that this scope does not include any structural modifications reinforcements or additional framing beyond what is necessary for the soffits 24119947 bl
Valuation:
N/A
Permit #:
25 105168 BZ
Status:
final
Fee:
$974
Permit Type:
N/A
Building Type:
N/A
Replace rooftop condensing units and resident fan coils with heat pump systems; gas-packaged units with packaged rooftop heat pump systems; elevator machine room equipment and provide associated refrigerant piping for above systems for horizontal run per plans
Valuation:
$562,000
Permit #:
6966026-ME
Status:
issued
Fee:
$5,577
Permit Type:
N/A
Building Type:
Multifamily
New plumbing associated with replacement tps lowell elementary at elem schools 1 to 6
Valuation:
$1,047,343
Permit #:
PLMBC25-0055
Status:
issued
Fee:
$5,706
Permit Type:
New
Building Type:
N/A
Four 106 is a 21 story office tower provided with a chilled and heating water hydronic loop system with connections provided on each floor for future tenant improvement tenants. the chilled water loop is served by two air-cooled chillers and the heating water loop is served by two natural gas boilers. supplemental cooling and heating on the water loops is provided by an air source hea... see more
Valuation:
N/A
Permit #:
21 133968 BL
Status:
final
Fee:
$248,068
Permit Type:
N/A
Building Type:
N/A
Mechanical work associated with new tps lowell elementary school
Valuation:
$3,092,357
Permit #:
MECHC25-0062
Status:
issued
Fee:
$24,254
Permit Type:
New
Building Type:
N/A
Remove and dispose of existing 16x12 ducting on the second floor as noted on sheet me122. this includes possible re-routing of some ducting layout depending on what is discovered in the walls/slab after scanning. mechanical contractor to layout all duct routing and hanger locations seattle center to provide abatement at acm ceiling locations. provide round sleeve for concrete contract... see more
Valuation:
$199,917
Permit #:
6959604-ME
Status:
triage
Fee:
$1,296
Permit Type:
N/A
Building Type:
Institutional
(1) other - bio-digester- install 4inch solid core pvc vent for new bio-digester. vent will be terminated near ceiling on loading dock. per conversation with bruce brown; loading dock is open to outside air so terminating near ceiling is acceptable. plan review not required per bruce brown. requested picture of loading dock area is attached.- 2021 upc
Valuation:
$3,450
Permit #:
PLUM-2025-05137
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
The scope of work is strictly limited to coordinating and routing the mechanical refrigerant piping through the existing ceiling and non-rated soffits. this is to facilitate the installation of the associated fan coil units. please note that this scope does not include any structural modifications reinforcements or additional framing beyond what is necessary for the soffits 25 108780 bl
Valuation:
N/A
Permit #:
25 116370 BZ
Status:
issued
Fee:
$1,045
Permit Type:
N/A
Building Type:
N/A
3800 latona refrigeration variable refrigerant flow system with 16 units supplying a mixed use building. with 13 split system heat pump condensing units serving misc spaces
Valuation:
$1,050,000
Permit #:
6945780-RF
Status:
issued
Fee:
$2,285
Permit Type:
N/A
Building Type:
Commercial
Fitout of suites 302 and 304 to provide new 15 900 sqft clinic. 26 new electric heat vavs and 1 mini split
Valuation:
$251,397
Permit #:
MECHC25-0184
Status:
issued
Fee:
$6,350
Permit Type:
Remodel
Building Type:
N/A
Remodeling kitchen spaces in office and installing new sinks minor pipe rerouting. - (3) backflow preventers + (3) floor drains + (10) kitchen sinks - 2021 upc
Valuation:
$40,663
Permit #:
PLUM-2025-04634
Status:
final
Fee:
$1,517
Permit Type:
N/A
Building Type:
N/A
2021 imc - (2) air conditioners - auburn mechanical will provide and install the following: structural review as required for permit mechanical engineering as required for permit dispose of existing (2) units offsite per epa standards disconnect and reconnect to existing gas lines acquire and install (1) gpu-01 trane 7.5 ton gas package unit – md# ysj090a3s0m0000 acquire and install (... see more
Valuation:
$70,000
Permit #:
MECH-2024-07508
Status:
final
Fee:
$3,012
Permit Type:
N/A
Building Type:
N/A
2018 imc - (6) air handlers - replacing (6) rooftop ahus that have reached the end of their life. relocating select screen wall support posts from inside the screen wall to outside the screen wall
Valuation:
$2,391,000
Permit #:
MECH-2022-07402
Status:
final
Fee:
$52,109
Permit Type:
N/A
Building Type:
N/A
2018 imc - (6) air handlers - replacing (6) rooftop ahus that have reached the end of their life. relocating select screen wall support posts from inside the screen wall to outside the screen wall
Valuation:
$2,384,000
Permit #:
MECH-2022-07401
Status:
final
Fee:
$52,041
Permit Type:
N/A
Building Type:
N/A
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Auburn Mechanical Inc Reviews
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Verified License
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Auburn Mechanical Inc License info
Verified License
| License # | AUBURMI797OB |
| Status | Active |
| City | Tukwila |
| Type | Plumbing Contractor, Journey Level |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Auburn Mechanical Inc 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 # | AUBURMI963BZ |
| Status | Active |
| City | Tukwila |
| Type | Electrical Contractor, Hvac/Rfrg, Maintenance |
| Class | Corporation |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of March, 2026. Check the current license status of Auburn Mechanical Inc with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AUBURMI797OB |
| Status | Active |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Auburn Mechanical Inc 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 # | AUBURMI163BA |
| 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 Auburn Mechanical Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AUBURMI163BA |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Auburn Mechanical Inc 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 # | AUBURMI963BZ |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor, Electrical Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Auburn Mechanical Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | AUBURMI163BA |
| Status | Active |
| City | Sammamish |
| Type | Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Auburn Mechanical Inc with the The City of Sammamish, WA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AUBURMI163BA |
| Status | Inactive |
| City | Marysville |
| Type | Contractor |
| Business Type | Corporation |
- 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 Auburn Mechanical Inc at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
Insured
| Insurer | Continental Insurance Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Fidelity & Deposit Co Of Mar |
| Bond Value | $4,000 |
1.2K
Permits
- Building permit records show that Auburn Mechanical Inc has worked on 1194 permitted projects.
Auburn Mechanical Inc Employees
DT
Dave Thoday
Agent
DT
David Thoday
President
JA
Johnson, Stacy A
Owner
KJ
Kim Johnson
Secretary
LT
Lauri Thoday
Secretary
SJ
Stacy Johnson
President
TV
Thoday, David V
Owner
TG
Thoday, Lauri G
Owner