Updated: May 13, 2026
Location and Projects
Address
12819 SE 38TH ST., Bellevue, WA, 98006
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Backflows Northwest Plumber
Backflows Northwest, 12819 SE 38th St, Bellevue, WA (Owned by: Sutton, Christopher Nicholas) holds a Plumbing Contractor, Backflow Specialty license and 4 other licenses according to the Tukwila license board.
Their BuildZoom score of 106 ranks in the top 7% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Backflows Northwest, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Backflows Northwest Services
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Backflows Northwest Contact Information
Phone Number: (252) 772-8880
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Address: 12819 SE 38TH ST., Bellevue, WA 98006
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Lba reality|when submitting an application please ensure you have attached all required documents.|certification: by using this portal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of the owner all ac... see more
Valuation:
N/A
Permit #:
PW22-0152
Status:
final
Fee:
$500
Permit Type:
Type c
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 back flow preventer - 1")
Valuation:
N/A
Permit #:
24 122032 BN
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
N/A
A single family residential addition to existing structure none project involving (1 back flow preventer - 1")
Valuation:
N/A
Permit #:
24 119918 BN
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
N/A
Type: plumbing multifamily - pmf class: replacement, , waterford condos backflow: removal of an incorrectly installed rpba & replace w/approved assembly dcva 1 line. all work to be performed outside in a valve box near the water meter
Valuation:
N/A
Permit #:
PMF19-05214
Status:
final
Fee:
$45
Permit Type:
N/A
Building Type:
N/A
Type: plumbing non residential class: replacement, , yarrow shores office building: installing back flow preventer; primary building
Valuation:
N/A
Permit #:
PNR21-00918
Status:
final
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
1 back flow preventer
Valuation:
N/A
Permit #:
2301-039
Status:
expired
Fee:
$188
Permit Type:
N/A
Building Type:
N/A
Creekside professional plumbing, a (nonresidential) (alteration) project involving 1 back flow preventer work location: outside behind water meter near hydrant
Valuation:
N/A
Permit #:
PLM15-00443
Status:
final
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
1 back flow preventer
Valuation:
N/A
Permit #:
2208-265
Status:
expired
Fee:
$177
Permit Type:
N/A
Building Type:
N/A
E20-46742 backflow replacement replacement of 1.5 rpba on domestic
Valuation:
N/A
Permit #:
UTL2020-26794
Status:
issued
Fee:
$234
Permit Type:
N/A
Building Type:
N/A
Remove & reinstall backflow device
Valuation:
N/A
Permit #:
2309-227
Status:
final
Fee:
$188
Permit Type:
N/A
Building Type:
N/A
Replace 4 double check valve
Valuation:
N/A
Permit #:
2303-150
Status:
expired
Fee:
$188
Permit Type:
N/A
Building Type:
N/A
1 backflow device
Valuation:
N/A
Permit #:
2410-150
Status:
issued
Fee:
$200
Permit Type:
N/A
Building Type:
N/A
Lz ventures- water
Valuation:
N/A
Permit #:
CNST-2194474WTR
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rpba premise isolation
Valuation:
N/A
Permit #:
1904-161
Status:
final
Fee:
$173
Permit Type:
N/A
Building Type:
N/A
E21-14610 otc permit backflow replacement replacing 2 failed backflow preventers with like units. backflows being replaced are both in the boiler room. wilkins 575a 1 serial z21527 and wilkins 575 1.5 serial w32301. uploaded backflow cut sheets for replacement backflows we are using to get past automated check for those files
Valuation:
N/A
Permit #:
PNR2021-27911
Status:
final
Fee:
$165
Permit Type:
N/A
Building Type:
N/A
Ih div 74 lot 17 - backflow devices, ih div 74 lot 17: install backflow devices for water meter boiler and fire sprinkler
Valuation:
N/A
Permit #:
PLM16-00181
Status:
final
Fee:
$271
Permit Type:
N/A
Building Type:
N/A
Permit for the irrigation system we are having installed. we have the backflow prevention assembly test report already. customer paid for 1 irrigation system. 2015 upc
Valuation:
$5,000
Permit #:
PLUM-2020-07225
Status:
final
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Replacement of 6 dcda backflow preventer in vault with like device. downstream use is fire sprinkler system. new device is approved by highline water district
Valuation:
N/A
Permit #:
PLM19-0113
Status:
final
Fee:
$284
Permit Type:
N/A
Building Type:
N/A
Removal of chicken coop, bridge, shed and play structure. **16-144149 ea**
Valuation:
N/A
Permit #:
16 148386 BE
Status:
final
Fee:
$894
Permit Type:
N/A
Building Type:
N/A
For inspection requests, please call 425-489-3390 replacement of backflow device in outside doghouse for fire line.
Valuation:
N/A
Permit #:
UTL2015-10251
Status:
Issued
Fee:
$175
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Backflows Northwest License info
License Not Verified
| License # | BACKFNI792QW |
| Status | Active |
| City | Tukwila |
| Type | Plumbing Contractor, Backflow Specialty |
| Class | Corporation |
| Business Type | Corporation, Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of February, 2026. Check the current license status of Backflows Northwest with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | BACKFNI792QW |
| Status | Active |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
| Business Type | Corporation, Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Backflows Northwest 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 # | BACKFNI883DN |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation, Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of March, 2026. Check the current license status of Backflows Northwest with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | BACKFNI883DN |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation, Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Backflows Northwest 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 # | BACKFNL913DC |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation, 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 Backflows Northwest at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Insured
| Insurer | Ohio Security Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Western Surety Co |
| Bond Value | $12,000 |
82
Permits
- Building permit records show that Backflows Northwest has worked on 82 permitted projects.
Backflows Northwest Employees
CH
Caleb Holmes
Member
CS
Christopher Sutton
President
DC
David Caldeira
Secretary
JS
Jeremy Simkins
President
KV
Kevin Venning
Member
MS
Martha Sutton
Partner/Member
NM
Noah Mazurkiewicz
Agent
SR
Scott Radcliffe
Manager
SN
Sutton, Christopher Nicholas
Owner