Updated: Jun 01, 2026
Location and Projects
Address
5036 Commercial Cir, Concord, CA, 94520
Use our bidding system to
request a quote
AJ Bono plumbing Photos
AJ Bono plumbing
40 years of plumbing prowess! Welcome to AJ Bono Plumbing, where experience and excellence flow together to keep your residential and/or commercial plumbing system running smoothly. Our ultimate goal is to make a positive difference in your life.. At AJ Bono, we strive to embody Mother Teresa's timeless wisdom: "Let no one ever come to you without leaving better and happier." While perfection may elude us, our commitment remains steadfast in embracing this principle, ensuring every encounter leaves a positive and uplifting impact.
From BuildZoom: AJ Bono plumbing, 5036 Commercial Cir, Concord, CA holds a Plumbing license according to the California license board.
Their BuildZoom score of 108 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring AJ Bono plumbing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
AJ Bono plumbing Services
Start a project today:
AJ Bono plumbing Contact Information
Phone Number: (925) 250-9255
Address: 5036 Commercial Cir, Concord, CA 94520
AJ Bono plumbing Concord
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
AJ Bono plumbing has a BuildZoom score of 108, which places them above 95% of 336,931 contractors in California.
Activity
|
15 projects
|
2025 |
|
7 projects
|
2024 |
|
8 projects
|
2023 |
Our building permit records indicate that AJ Bono plumbing has worked on at least
30.0 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
|
30 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that AJ Bono plumbing mostly works on
plumbing project
projects.
Pricing
|
22 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
The typical size of their permits is approximately $1,215. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
New tankless water heater
Valuation:
$10,000
Permit #:
M24-030745
Status:
final
Fee:
$265
Permit Type:
N/A
Building Type:
N/A
E-permit: change-out installation of gas - 040 gallon to gas - 040 gallon located inside building number of water heaters being replaced 1
Valuation:
$990
Permit #:
BP23-07312
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Water heater replacement
Valuation:
$1,485
Permit #:
ERES25-0095
Status:
issued
Fee:
$92
Permit Type:
Residentl
Building Type:
N/A
E-permit: change-out installation of gas - 040 gallon to gas - 040 gallon located inside building null
Valuation:
$1,300
Permit #:
BP22-09651
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
E-permit: change-out installation of gas - 050 gallon to gas - 050 gallon located inside building null
Valuation:
$1,200
Permit #:
BP22-09648
Status:
expired
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
E-permit: change-out installation of gas - 040 gallon to gas - 040 gallon located inside building null
Valuation:
$1,300
Permit #:
BP22-09645
Status:
expired
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
E-permit: change-out installation of gas - 050 gallon to gas - 050 gallon located inside building null
Valuation:
$1,200
Permit #:
BP22-09644
Status:
expired
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
E-permit: change-out installation of gas - 040 gallon to gas - 040 gallon located inside building null
Valuation:
$840
Permit #:
BP22-03757
Status:
final
Fee:
$76
Permit Type:
N/A
Building Type:
N/A
R/r (e) 50gal water heater in garage
Valuation:
$1,000
Permit #:
OTC24-0124
Status:
final
Fee:
$251
Permit Type:
Water heater - tank
Building Type:
N/A
Replacement of 30 gallons water heater
Valuation:
N/A
Permit #:
BL-WH-2023-00140
Status:
complete
Fee:
$239
Permit Type:
N/A
Building Type:
N/A
Replacement of water heater 40 gl
Valuation:
N/A
Permit #:
BL-WH-2022-00010
Status:
expired
Fee:
$239
Permit Type:
N/A
Building Type:
N/A
40gl nat gas water heater replacement
Valuation:
$1,215
Permit #:
ERES25-0288
Status:
final
Fee:
$92
Permit Type:
Residentl
Building Type:
N/A
50gl nat gas water heater replacement
Valuation:
$1,350
Permit #:
ERES25-0287
Status:
issued
Fee:
$92
Permit Type:
Residentl
Building Type:
N/A
40gl nat gas water heater replacement
Valuation:
$1,485
Permit #:
ERES25-0286
Status:
issued
Fee:
$92
Permit Type:
Residentl
Building Type:
N/A
50gl nat gas water heater replacement
Valuation:
$1,612
Permit #:
ERES25-0285
Status:
issued
Fee:
$92
Permit Type:
Residentl
Building Type:
N/A
50gl nat gas water heater replacement
Valuation:
$1,220
Permit #:
ERES25-0284
Status:
issued
Fee:
$92
Permit Type:
Residentl
Building Type:
N/A
50gl nat gas water heater replacement
Valuation:
$1,245
Permit #:
ERES25-0283
Status:
issued
Fee:
$92
Permit Type:
Residentl
Building Type:
N/A
50gl nat gas water heater replacement
Valuation:
$1,565
Permit #:
ERES25-0282
Status:
issued
Fee:
$92
Permit Type:
Residentl
Building Type:
N/A
Reroute of hot & cold water lines
Valuation:
$7,350
Permit #:
RES22-0699
Status:
final
Fee:
$255
Permit Type:
Residentl
Building Type:
N/A
Re-route of the water lines from meter to main shut off valv
Valuation:
$7,650
Permit #:
ERES22-0711
Status:
final
Fee:
$64
Permit Type:
Residentl
Building Type:
N/A
AJ Bono plumbing Reviews
BuildZoom hasn't received any reviews for AJ Bono plumbing. Click here to be alerted when reviews are posted about them.
Verified License
BuildZoom confirmed this contractor's license
AJ Bono plumbing License info
Verified License
| License # | 807390 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Class | C-36 |
| Business Type | Corporation |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for AJ Bono plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Insured
| Insurer | Kinsale Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Statewide Insurance |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Oak River Insurance Company |
| Workers Comp Value | $1,000,000 |
1.2K
Permits
- Building permit records show that AJ Bono plumbing has worked on 1248 permitted projects.