Updated: May 17, 2026
Location and Projects
Address
PO BOX 567, Kelso, WA, 98626
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Twin City Service Co HVAC/Mechanical Contractor
Twin City Service Co Inc, Kelso, Po Box 567, Kelso, WA (Owned by: Leininger, Joel) holds a Construction Contractor, General license and 3 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 Twin City Service Co Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Twin City Service Co Inc Contact Information
Phone Number: (604) 253-3200
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Address: PO BOX 567, Kelso, WA 98626
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Twin City Service Co Inc Kelso
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Twin City Service Co Inc has a BuildZoom score of 112, which places them above 97% of 128,670 contractors in Washington.
Activity
|
25 projects
|
2025 |
|
6 projects
|
2024 |
|
25 projects
|
2023 |
Our building permit records indicate that Twin City Service Co Inc has worked on at least
56.0 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
|
45 projects
|
HVAC projects |
|
35 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Twin City Service Co Inc mostly works on
hvac project
and mechanical project
projects.
Pricing
|
1 project
|
< $5k |
|
40 projects
|
$5k-$20k |
|
7 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $13,451. 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 Twin City Service Co Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
We will supply and install one 3 1/2 ton american standard silver 15 heat pump system with tem6 variable speed air handler. new system installed left side of the home in the existing location. the air handler in the basement on left side and the heat pump located in back of home
Valuation:
$17,443
Permit #:
25-05-3021
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
We will supply and install one 3-ton american standard heat pump like for like. and dispose of existing equipment. install new in back of house between garage door and house door by the deck in place of existing. with air handler inside the garage
Valuation:
$10,324
Permit #:
25-03-2584
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
We will supply and install one 3-ton american standard platinum 18 heat pump system like for like. the heat pump will be installed on the left side of the house and the air handler in the existing equipment room in the middle of the home
Valuation:
$16,995
Permit #:
25-04-2769
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
Supply and install one 24 000 btu daikin ductless heat pump system. the indoor wall mounted unit will be installed on the outside wall of living room in back side of home and the heat pump will be located in back yard area on same wall
Valuation:
$7,270
Permit #:
25-03-2600
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
We will supply and install new 2.5 ton heat pump with matching air handler like for like. heat pump will replace the existing one outside back of house left side and replace exixting air handler in house in the closet like for like
Valuation:
$11,667
Permit #:
25-05-2845
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
We will supply and install one 3-ton american standard silver 15 heat pump. we will install the heat pump in the back of the house where existing heat pump is located and install the new air handler in the equipment room
Valuation:
$13,383
Permit #:
25-04-2781
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
We will supply and install one 2 ton american standard heat pump system with vairable speed air handler. the air handler with be located in the closet in center of home in hallway the heat pump with be installed on the right side of the home on the equipment pad
Valuation:
$20,630
Permit #:
25-09-3820
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
We will supply and install one 3 ton american standard platinum 18 heat pump system. the heat pump will be in front of house where the existing unit is located and the air handler will go in the equipment room where the existing air handler is located
Valuation:
$18,670
Permit #:
25-08-3450
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
We will supply and install one 3-ton american standard heat pump like for like. air handler installed in closet where existing return is. existing air handler in crawl space below closet
Valuation:
$17,604
Permit #:
25-03-2544
Status:
expired
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
We will supply and install one 3 ton american standard invert/variable speed heat pump with air handler. the air handler will go in garage where existing one is and the heat pump will replace the existing one located left of home
Valuation:
$14,101
Permit #:
25-10-3910
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
We will supply and install one 3-ton american standard 17 seer heat pump system outside behind the garge on the left side. we will supply and install one 15 kw tamx variable speed air handler in the laundry room inside of house
Valuation:
$14,987
Permit #:
23-11-5322
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
We will supply and install one 3-ton american standard quest 17 inverter/variable speed 410a cold climate heat pump system. the indoor air handler will be installed in garage and heat pump located in back of the house
Valuation:
$13,836
Permit #:
25-07-3239
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
We will supply and install one 2 1/2 ton american standard 15 silver seer heat pump. also supply and install one 2-ton enhanced daiken heat pump
Valuation:
$12,818
Permit #:
25-02-2187
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
Change out like for like heat pump air handler and thermostat. heat pump will be located on the right side of the front of the house air handler will be located in the garage. alter circuit for electrical disconnect and reconnect
Valuation:
$9,953
Permit #:
CD2023-0193
Status:
complete
Fee:
$124
Permit Type:
N/A
Building Type:
Residential-mecha...
Change out like for like heat pump air handler and thermostat. heat pump will be located on the back side of house and the air handler will be located in the garage. alter circuit for electrical disconnect and reconnect
Valuation:
$15,413
Permit #:
CD2023-0524
Status:
complete
Fee:
$124
Permit Type:
N/A
Building Type:
Residential-mecha...
Unit 106 change out like for like heat pump air handler and thermostat. alter circuit for electrical disconnect and reconnect. heat pump located on west side of building and air handler located in the attic
Valuation:
$9,400
Permit #:
CD2023-0772
Status:
complete
Fee:
$134
Permit Type:
N/A
Building Type:
Commercial-mechan...
We will supply and install one 24 000 btu daikin ductless heat pump to replace the existing damaged outside 24 000 btu heat pump in same place. like for like
Valuation:
$7,032
Permit #:
25-08-3495
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
Change out like for like heat pump air handler and thermostat. alter circuit for electrical disconnect and reconnect. heat pump will be located on back side of house and air handler in the garage
Valuation:
$9,876
Permit #:
CD2022-2540
Status:
complete
Fee:
$124
Permit Type:
N/A
Building Type:
Residential-mecha...
Change out like for like heat pump air handler and thermostat. heat pump will be located on the outside back right. air handler will be in the attic above the garage. we will disconnect existing equipment and reconnect to existing electrical and condensate. alter circuit for electrical disconnect and reconnect
Valuation:
$11,315
Permit #:
CD2022-2024
Status:
complete
Fee:
$124
Permit Type:
N/A
Building Type:
Residential-mecha...
Change out like for like 5-ton packaged heat pump with 23 kw heat kit and low leak economizer. includes reconnecting to existing thermostat or control system. alter circuit for electrical disconnect and reconnect. unit will be located on the roof
Valuation:
$15,914
Permit #:
CD2022-1848
Status:
complete
Fee:
$113
Permit Type:
N/A
Building Type:
Commercial-mechan...
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Twin City Service Co Inc Reviews
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Twin City Service Co Inc License info
Verified License
| License # | TWINCSC000BS |
| 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 Twin City Service Co 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 # | TWINCSC001C8 |
| Status | Active |
| City | Tukwila |
| Type | Electrical Contractor, Hvac/Rfrg |
| Class | Corporation |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of April, 2026. Check the current license status of Twin City Service Co 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 # | TWINCSC001C8 |
| 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 Twin City Service Co 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 # | TWINCSC000BS |
| 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 Twin City Service Co Inc 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 | Federated Mutual Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Cbic |
| Bond Value | $12,000 |
190
Permits
- Building permit records show that Twin City Service Co Inc has worked on 190 permitted projects.
Twin City Service Co Inc Employees
Agent
JL
Joel Leininger
President
KC
Karen Cain
Vice President
KR
Kevin Rahn
Agent
LJ
Leininger, Joel
Owner
RC
Roberta Castro
Agent