Updated: Jun 30, 2026
Location and Projects
Address
10420 E Riverside Dr, Bothell, WA, 98011
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Custom Design Mechanical Inc
Custom Design Mechanical Inc, 10420 E Riverside Dr, Bothell, WA (Owned by: Tripple, Jim A) holds a Construction Contractor, Heating/Vent/Air Conditioning And Refrig (Hvac/R) license and 2 other licenses according to the Tukwila license board.
Their BuildZoom score of 101 ranks in the top 12% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Custom Design Mechanical Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Custom Design Mechanical Inc Contact Information
Phone Number: (206) 819-4408
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Address: 10420 E Riverside Dr, Bothell, WA 98011
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Custom Design Mechanical Inc Bothell
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Custom Design Mechanical Inc has a BuildZoom score of 101, which places them above 88% of 128,670 contractors in Washington.
Activity
|
4 projects
|
2025 |
|
1 project
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Custom Design Mechanical Inc has worked on at least
6.0 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
|
4 projects
|
Mechanical projects |
|
4 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Custom Design Mechanical Inc mostly works on
hvac project
and mechanical project
projects.
Pricing
|
1 project
|
< $5k |
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 Custom Design Mechanical Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Type: mechanical multifamily class: alteration to structure or system hosseini unit #301: like for like replacement of furnace in the hall closet and replacement of heat pump on roof
Valuation:
N/A
Permit #:
MMF25-04169
Status:
issued
Fee:
$306
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 water heater - tankless 1 gas piping only (no fixtures) 1 furnace
Valuation:
N/A
Permit #:
22 117982 BK
Status:
final
Fee:
$231
Permit Type:
N/A
Building Type:
N/A
Venting and ducting to original location units a-f
Valuation:
N/A
Permit #:
M2502-004
Status:
issued
Fee:
$67
Permit Type:
Commercial mechan...
Building Type:
N/A
Run 60 of 3/4 gas pipe from gas meter to generator located in back yard
Valuation:
$800
Permit #:
OL24-2140
Status:
issued
Fee:
$141
Permit Type:
Residential
Building Type:
N/A
Nana's southern kitchen - alteration
Valuation:
$40,000
Permit #:
CNST-2193434
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New entry dormers interior remodel infill existing covered area removal of pool. does not include clear and grade. does not electrical(16-144272 bf) ** addition on plumbing and mechanical (gas piping only under 16-134526 bk)
Valuation:
N/A
Permit #:
16 134068 BR
Status:
final
Fee:
$2,796
Permit Type:
N/A
Building Type:
N/A
Wiserg - gas piping only - work includes installation of new gas line to (2) hot pressure washers and (7) additional stub outs for future use. total of (9) fixtures. actual installation of equipment to be under separate permit
Valuation:
$6,258
Permit #:
MECH-2016-00652
Status:
final
Fee:
$226
Permit Type:
N/A
Building Type:
N/A
Mechanical non residential - mnr, addition to structure run gas piping to new equipment, including pool boilers and water heater. roof-top units permitted under mnr12-04356. related building permit: bnr12-00851 (cascade athletic club pool expansion).
Valuation:
N/A
Permit #:
MNR12-04392
Status:
Finaled
Fee:
$116
Permit Type:
N/A
Building Type:
N/A
Fire damage repair - new roof framing over 2nd floor family room and garage. new drywall insulation fixtures and finishes. does not include clearing and grading plumbing or electrical. **add on mechanical
Valuation:
N/A
Permit #:
15 104985 BR
Status:
final
Fee:
$3,924
Permit Type:
N/A
Building Type:
N/A
Mechanical non residential - mnr alteration to structure or system ivr (1-866-458-7354) permit pin #: 1414395 columbia athletic club - gas pipe only 2 dryers
Valuation:
N/A
Permit #:
MNR14-06301
Status:
Issued
Fee:
$67
Permit Type:
N/A
Building Type:
N/A
Bear creek vip apartments - gas piping only to (9) furnaces (1) fireplace (2) barbecues and (2) fire pits. all equipment to be installed by others
Valuation:
$13,000
Permit #:
MECH-2016-00099
Status:
final
Fee:
$184
Permit Type:
N/A
Building Type:
N/A
Gas piping only for 5 roof top units 2 gas water heaters and stock pot range kettle , 2- 4 burner ranges 1- 6burner range 2- fryers 1- broiler 1- 8 burner range 1- salamander broiler 1 -griddle and warming cabinet
Valuation:
N/A
Permit #:
05 102846 BL
Status:
final
Fee:
$175
Permit Type:
N/A
Building Type:
N/A
Proposal to replace fire damage on the south duplex unit. does not include electrical. **add on plumbing ***add on mechanical
Valuation:
N/A
Permit #:
14 141512 BU
Status:
final
Fee:
$4,409
Permit Type:
N/A
Building Type:
N/A
Commercial : ten : commercial ti- relocation of office walls partition in an existing office space area construction of a new one hour rated exit corridor no new area or sf will be added to building size or use; 3300 sf; val $19800.00. field change: barrier free access ra 19011 woodinville snohomish rd ne
Valuation:
N/A
Permit #:
B200000058
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installing bathroom vents and kitchen vents
Valuation:
N/A
Permit #:
6497953
Status:
issued
Fee:
$542
Permit Type:
Alter existing in...
Building Type:
Multifamily
Anderson residence - mechanical
Valuation:
$0
Permit #:
CMEC-2153145
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2 air handlers 2 heat pumps
Valuation:
N/A
Permit #:
17 125642 BL
Status:
final
Fee:
$967
Permit Type:
N/A
Building Type:
N/A
Fireplace insert
Valuation:
N/A
Permit #:
14 142784 BK
Status:
final
Fee:
$36
Permit Type:
N/A
Building Type:
N/A
Building a -gas piping from meter location to roof top curbs. each line to have valve & cap at curb location
Valuation:
N/A
Permit #:
MEC2011-00913
Status:
Withdrawn
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Building b -gas piping from meter location to roof top curbs. each line to have valve & cap at curb location
Valuation:
N/A
Permit #:
MEC2011-00914
Status:
Withdrawn
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Custom Design Mechanical Inc License info
License Not Verified
| License # | CUSTODM066QO |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, Heating/Vent/Air Conditioning And Refrig (Hvac/R) |
| Class | Corporation |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of Custom Design 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 # | CUSTODM066QO |
| 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 Custom Design Mechanical Inc 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 # | CUSTODM066QO |
| 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 Custom Design Mechanical Inc at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Insured
| Insurer | Liberty Mutual Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Cbic |
| Bond Value | $6,000 |
95
Permits
- Building permit records show that Custom Design Mechanical Inc has worked on 95 permitted projects.
Custom Design Mechanical Inc Employees
JT
Jim Tripple
President
KT
Kristi Tripple
Secretary
TA
Tripple, Jim A
Owner