Location and Projects
Address
PO BOX 620, South Prairie, WA, 98385
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Castle Custom Mechanical Llc
Castle Custom Mechanical Llc, South Pr, Po Box 620, South Prairie, WA (Employees: Dave Johnson, Debbie Downs, and Debra Downs) holds a Construction Contractor, Construction Contractor license and 4 other licenses according to the Washington license board.
Their BuildZoom score of 108 ranks in the top 5% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Castle Custom Mechanical Llc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Castle Custom Mechanical Llc Contact Information
Phone Number: (253) 897-8626
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Address: PO BOX 620, South Prairie, WA 98385
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Castle Custom Mechanical Llc South Prairie
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Castle Custom Mechanical Llc has a BuildZoom score of 108, which places them above 95% of 128,670 contractors in Washington.
Activity
|
8 projects
|
2025 |
|
6 projects
|
2024 |
|
9 projects
|
2023 |
Our building permit records indicate that Castle Custom Mechanical Llc has worked on at least
23.0 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
|
8 projects
|
New Constructions |
|
12 projects
|
HVAC projects |
|
6 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Castle Custom Mechanical Llc mostly works on
hvac project
and new construction
projects.
Pricing
|
6 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
5 projects
|
$500k-$1mil |
The typical size of their permits is approximately $15,000. 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 Castle Custom Mechanical Llc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Christelle ridge lot #15- new single family combination permit. construct 4064 sq ft 2- story with basement residence with 434 sq ft attached garage and 210 sq ft covered patio/porch. fire sprinklers are required
Valuation:
$714,091
Permit #:
B24005350
Status:
issued
Fee:
$36,853
Permit Type:
N/A
Building Type:
N/A
Christelle ridge lot #19- new single family residence combination permit. construct 4485 sq ft 2-story residence with 517 sq ft attached garage and 136 sq ft deck
Valuation:
$786,721
Permit #:
B24005977
Status:
issued
Fee:
$38,576
Permit Type:
N/A
Building Type:
N/A
Christelle ridge lot 6 new single family residence. 4485 sf dwelling 517 sf attached garage 49 sf covered porch & 136 sf covered deck. firesprinklers required
Valuation:
$796,534
Permit #:
B25003005
Status:
issued
Fee:
$38,732
Permit Type:
N/A
Building Type:
N/A
Singh single family residence-construct 4783 sq ft single family residence with 630 sq ft attached garage with 226 sq ft deck and 286 sq ft covered porch. fire sprinklers required
Valuation:
$855,068
Permit #:
B23004916
Status:
filed
Fee:
$46,059
Permit Type:
N/A
Building Type:
N/A
Christelle ridge lot 1-construct 4158 sq ft single family residence with 195 sq ft deck and 441 sq ft attached garage-owner acting as contractor
Valuation:
$723,739
Permit #:
B22006654
Status:
expired
Fee:
$43,093
Permit Type:
N/A
Building Type:
N/A
A single family residential new structure none project involving (2 ductless heat pump 2 dryer exhaust duct 1 water heater - tankless 2 laundry fan 1 kitchen fan 1 whole house fan 6 exhaust fan with duct)
Valuation:
N/A
Permit #:
24 102009 BK
Status:
final
Fee:
$565
Permit Type:
N/A
Building Type:
N/A
A single family residential new structure none project involving (2 ductless heat pump 1 water heater - tankless 7 bathroom fan 2 laundry fan 1 kitchen fan 1 whole house fan 1 duct work only)
Valuation:
N/A
Permit #:
24 101239 BK
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
A single family residential new structure none project involving (1 dryer exhaust duct 1 water heater - tankless 1 gas piping only (no fixtures) 1 kitchen fan 1 whole house fan 1 duct work only 6 exhaust fan with duct 1 furnace
Valuation:
N/A
Permit #:
21 133888 BK
Status:
final
Fee:
$469
Permit Type:
N/A
Building Type:
N/A
A single family residential new structure none project involving (1 dryer exhaust duct 1 gas piping only (no fixtures) 1 kitchen fan 1 whole house fan 1 duct work only 6 exhaust fan with duct 2 furnace
Valuation:
N/A
Permit #:
21 134580 BK
Status:
final
Fee:
$514
Permit Type:
N/A
Building Type:
N/A
Building a new signal family home. includes storm connection right-of-way clearing & grading. does not include plumbing electrical or mechanical. *add on plumbing and mechanical
Valuation:
N/A
Permit #:
21 132062 BS
Status:
final
Fee:
$22,070
Permit Type:
N/A
Building Type:
N/A
A single family residential new structure none project involving (1 dryer exhaust duct 1 gas piping only (no fixtures) 6 bathroom fan 1 laundry fan 1 duct work only 1 furnace
Valuation:
N/A
Permit #:
23 117536 BK
Status:
final
Fee:
$473
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 fireplace insert - gas 1 generator 1 gas piping only (no fixtures)) 23 117536 bk
Valuation:
N/A
Permit #:
23 117836 BK
Status:
issued
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
A single family residential new structure none project involving (1 ductless heat pump 1 dryer exhaust duct 1 gas piping only (no fixtures) 2 bathroom fan 1 laundry fan 1 kitchen fan 1 whole house fan 1 duct work only 3 exhaust fan with duct 1 heat pump )
Valuation:
N/A
Permit #:
20 123465 BK
Status:
final
Fee:
$423
Permit Type:
N/A
Building Type:
N/A
Ducted inverter heat pump system
Valuation:
$15,000
Permit #:
M25000489
Status:
issued
Fee:
$246
Permit Type:
N/A
Building Type:
N/A
A single family residential new structure none project involving (2 dryer exhaust duct 1 gas piping only (no fixtures) 2 kitchen fan 1 duct work only 9 exhaust fan with duct 2 furnace
Valuation:
N/A
Permit #:
20 113359 BK
Status:
final
Fee:
$628
Permit Type:
N/A
Building Type:
N/A
Escala mechanical install new hydronic heat pumps connecting to existing building loop. heat pumps shall comply with current energy code standards. install new gas appliances connected to existing gas main sized to accommodate tenant requirement
Valuation:
$54,000
Permit #:
6738311-ME
Status:
issued
Fee:
$1,417
Permit Type:
N/A
Building Type:
Multifamily
A single family residential new structure none project involving (1 gas piping only (no fixtures)) 18116166
Valuation:
N/A
Permit #:
22 112940 BK
Status:
final
Fee:
$59
Permit Type:
N/A
Building Type:
N/A
Install (5) one to one mini-split systems; unit ventilation and (4) hrv systems per plan
Valuation:
$90,000
Permit #:
6998250-ME
Status:
issued
Fee:
$4,940
Permit Type:
N/A
Building Type:
Multifamily
Terry downs - escala penthouse provide and install (2) water source air handlers with supply and return air ducting with (2) economizers. ventilation for bathroom fans dryers and range hoods per plan
Valuation:
$40,000
Permit #:
6709501-ME
Status:
complete
Fee:
$1,392
Permit Type:
N/A
Building Type:
Multifamily
Demolish and rebuild new single family residence *includes right-of-way and clear & grade. includes plumbing mechanical and electrical
Valuation:
N/A
Permit #:
16 141974 BS
Status:
final
Fee:
$14,677
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Castle Custom Mechanical Llc License info
Verified License
| License # | CASTLCM908O2 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Castle Custom Mechanical Llc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CASTLCM890QS |
| Status | Inactive |
| State | Washington |
| Type | Electrical Contractor, Electrical 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. If this is your business, please update your license status.
Check this license's status for Castle Custom Mechanical Llc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CASTLHA001KP |
| Status | Inactive |
| State | Washington |
| Type | Electrical 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. If this is your business, please update your license status.
Check this license's status for Castle Custom Mechanical Llc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CASTLCM840C2 |
| Status | Inactive |
| State | Washington |
| Type | Electrical Contractor, Electrical 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. If this is your business, please update your license status.
Check this license's status for Castle Custom Mechanical Llc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CASTLHA055DH |
| 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. If this is your business, please update your license status.
Check this license's status for Castle Custom Mechanical Llc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Insured
| Insurer | Mid Century Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | American Contractors Indem Co |
| Bond Value | $12,000 |
411
Permits
- Building permit records show that Castle Custom Mechanical Llc has worked on 411 permitted projects.
Castle Custom Mechanical Llc Employees
DJ
Dave Johnson
DD
Debbie Downs
Partner/Member
DD
Debra Downs
Partner/Member
TD
Terry Downs
Partner/Member