Updated: Jun 18, 2026
Location and Projects
Address
179 NORTH PARK DRIVE, Vacaville, CA, 95688
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Johns Backflow Tech & Service Plumber
Johns Backflow Tech & Service, 179 N Park Dr, Vacaville, CA (Owned by: John Craig Barber) holds a Backflow Prevention Devices license according to the California license board.
Their BuildZoom score of 104 ranks in the top 9% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Johns Backflow Tech & Service, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Johns Backflow Tech & Service Services
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Johns Backflow Tech & Service Contact Information
Phone Number: (707) 205-9397
Address: 179 NORTH PARK DRIVE, Vacaville, CA 95688
Johns Backflow Tech & Service Vacaville
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Johns Backflow Tech & Service has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
5 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Johns Backflow Tech & Service has worked on at least
10.0 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
|
10 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Johns Backflow Tech & Service mostly works on
plumbing project
projects.
Pricing
|
7 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
The typical size of their permits is approximately $8,000. 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 Johns Backflow Tech & Service
This is a sample of this contractor's permits. Click here to access their complete permit history.
Backflow assembly replacement
Valuation:
$5,500
Permit #:
PW25-00108
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Solano county office of education backflow replacement
Valuation:
N/A
Permit #:
FIRE22-00189
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing 6 single check valve w 6 double check
Valuation:
$35,000
Permit #:
PW24-00175
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace backflow assembly
Valuation:
$7,000
Permit #:
PW22-00611
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove and relocate backflow assembly and related piping
Valuation:
$35,000
Permit #:
PW23-00518
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace backflow assembly
Valuation:
$9,000
Permit #:
PW22-00152
Status:
expired
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Replace backflow assembly
Valuation:
$6,000
Permit #:
PW22-00022
Status:
final
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Two backflow assembly replacements at same site
Valuation:
N/A
Permit #:
PW21-00134
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Backflow replacement
Valuation:
$9,000
Permit #:
PW22-00614
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Backflow assembly replacement
Valuation:
$8,000
Permit #:
PW24-00393
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Backflow assembly replacement
Valuation:
$15,000
Permit #:
PW24-00371
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace backflow assembly
Valuation:
N/A
Permit #:
PW21-00486
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace backflow assembly
Valuation:
N/A
Permit #:
PW21-00461
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace backflow assembly
Valuation:
N/A
Permit #:
PW21-00444
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace backflow assembly
Valuation:
$5,800
Permit #:
PW21-00211
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Backflow assembly replacement
Valuation:
$6,500
Permit #:
PW23-00352
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Backflow assembly replacement
Valuation:
$9,500
Permit #:
PW23-00349
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace backflow assembly
Valuation:
$7,000
Permit #:
PW23-00479
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace two backflow assemblies
Valuation:
$9,700
Permit #:
PW20-00135
Status:
final
Fee:
$188
Permit Type:
N/A
Building Type:
N/A
Replace 10 backflow assembly
Valuation:
$18,000
Permit #:
PW20-00065
Status:
final
Fee:
$188
Permit Type:
N/A
Building Type:
N/A
Johns Backflow Tech & Service Reviews
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Verified License
BuildZoom confirmed this contractor's license
Johns Backflow Tech & Service License info
Verified License
| License # | 1004518 |
| Status | Active |
| State | California |
| Type | Backflow Prevention Devices |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Johns Backflow Tech & Service at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
37
Permits
- Building permit records show that Johns Backflow Tech & Service has worked on 37 permitted projects.
Johns Backflow Tech & Service Employees
JB
John Craig Barber
Owner