Updated: Jun 02, 2026
Location and Projects
Address
848 W LOCUST ST, Ontario, CA, 91762
Use our bidding system to
request a quote
A J B Construction Concrete Contractor
Serving Ontario, CA and the surrounding region, A J B Construction has over three decades of experience in residential and commercial building projects. Since establishing operations 33 years ago, the company has taken on construction jobs ranging from major remodels to new builds. Their portfolio highlights work on single-family homes, tenant improvements, and structural renovations. A J B Construction works with homeowners and property managers seeking reliable execution of remodeling, additions, and property upgrades. The team manages projects through all phases, coordinating with local building departments and adhering to California construction codes. Clients rely on their experience in handling a variety of property types and project scopes throughout Ontario and nearby communities.
A J B Construction Contact Information
Phone Number: (909) 644-2013
Edit
Address: 848 W LOCUST ST, Ontario, CA 91762
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
A J B Construction Ontario
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
A J B Construction has a BuildZoom score of 98, which places them above 84% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that A J B Construction has worked on at least
2.0 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.
Pricing
|
2 projects
|
$5k-$20k |
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.
Remove fallen wood fence - install block wall - 120 lf block wall using 6 x 8 x 6 grey precision black 6 high. using city standards footing a
Valuation:
$11,500
Permit #:
B2500147
Status:
final
Fee:
$244
Permit Type:
N/A
Building Type:
N/A
Vertical & horizontal addition. a 2nd story addition of a master bathroom & a closet on top of the existing roof at the rear of the house. a kitchen window will be enlarged. maher n/a
Valuation:
$150,000
Permit #:
201808086813
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Demolish 38 lf 6'h of existing damaged wall and rebuild with same block to match existing wall. tan 6x8x16 split face on 1 side precision on other and tan 8x14x16 pour cap per city standards
Valuation:
$6,000
Permit #:
PMT21-10322
Status:
final
Fee:
$509
Permit Type:
Residential alter...
Building Type:
N/A
Single family dwelling addition of 483sf on 1st floor remodel existing livable area of 1, 266sf. new roof deck 232sf and ground floor deck 184 sf rv #1: underpinning (e) footing addition (2) double floor joists. (issued otc 12/08/15). f1- new fire sprinkler system 27 heads. (see permit # 257517)
Valuation:
$265,000
Permit #:
BD2015253521
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct block wall (58 lf) with return (14 lf) and pilaster (1 lf)on east side of property
Valuation:
$10,000
Permit #:
B202201281
Status:
final
Fee:
$231
Permit Type:
N/A
Building Type:
N/A
(n) tan precision block wall at property line. (450 sf)
Valuation:
$8,000
Permit #:
B202300008
Status:
issued
Fee:
$179
Permit Type:
N/A
Building Type:
N/A
Block wall; 6ft 96 lf-footing & wall entirely on owners property. city standard a
Valuation:
$9,900
Permit #:
B2201113
Status:
final
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
Building property line block wall 6 high 40'lf using 6"x6"x16 on north pl. tan slump stone block and 8"x4"x16 3 score cap
Valuation:
N/A
Permit #:
PMT2021-01935
Status:
final
Fee:
$502
Permit Type:
N/A
Building Type:
N/A
Construct block wall of 40 lf of 3 ft high and 92 lf of 6 ft high on eastside and 57 lf of 6 ft high on northside for single family residence
Valuation:
$16,000
Permit #:
B2000598
Status:
final
Fee:
$218
Permit Type:
N/A
Building Type:
N/A
Replace existing wood fence on west property line with a 71 x 6 (426 sqft) tinted precision block wall with cap treatment
Valuation:
$7,100
Permit #:
B202102397
Status:
final
Fee:
$203
Permit Type:
N/A
Building Type:
N/A
Demolish existing wood fence and install new block wall 6 h x 88 lf
Valuation:
$9,000
Permit #:
B202101180
Status:
final
Fee:
$216
Permit Type:
N/A
Building Type:
N/A
7lf x 6 tall free-standing block wall (6x8x16 precision block) - city standard
Valuation:
N/A
Permit #:
PMT2020-02377
Status:
final
Fee:
$488
Permit Type:
N/A
Building Type:
N/A
855 sf addition & 100 sf interior remodel
Valuation:
N/A
Permit #:
BLD2017-00738
Status:
final
Fee:
$7,413
Permit Type:
Residential addition
Building Type:
N/A
Permit to construct a 22 lf by 6 high slumpstone block wall - located on owners property per city standard
Valuation:
N/A
Permit #:
BLD20-001403
Status:
final
Fee:
$160
Permit Type:
S-fam residential
Building Type:
N/A
Convert crawl space for unit 42 only into habitable space -
Valuation:
N/A
Permit #:
BLD2018-00136
Status:
final
Fee:
$7,993
Permit Type:
Residential addition
Building Type:
N/A
Repair damaged block wall 15 x 6 (90 sqft) by removing existing wall and foundation then rebuilding by city's standard
Valuation:
$630
Permit #:
B201903136
Status:
final
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
678 sf second floor addition + interior remodel ll
Valuation:
N/A
Permit #:
BLD2016-00853
Status:
final
Fee:
$6,278
Permit Type:
Residential addition
Building Type:
N/A
614 sf addition 401 sf interior remodel
Valuation:
N/A
Permit #:
BLD2018-00355
Status:
final
Fee:
$7,616
Permit Type:
Residential addition
Building Type:
N/A
A multi residential alteration to convert garage door from a double to single and create a bedroom out of existing room
Valuation:
$20,000
Permit #:
BLD2018-01280
Status:
final
Fee:
$1,614
Permit Type:
Alteration
Building Type:
N/A
24lf x 6 high free-standing slumpstone block wall (city standard) on rear property line
Valuation:
N/A
Permit #:
PMT2018-03589
Status:
final
Fee:
$229
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
120
BZ Score
$10K
Avg Project
-
Projects
122
BZ Score
$19K
Avg Project
-
Projects
145
BZ Score
$4.4K
Avg Project
-
Projects
A J B Construction Reviews
BuildZoom hasn't received any reviews for A J B Construction. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
A J B Construction License info
Verified License
| License # | 463690 |
| Status | Active |
| State | California |
| Type | Concrete, Masonry |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for A J B Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 992131 |
| Status | Active |
| City | South San Francisco |
| Type | Contractor |
| Business Type | Sole Ownership, Corporation |
- When BuildZoom last verified this license, it had an expiration date of April, 2018. Check the current license status of A J B Construction with the The City of South San Francisco, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 992131 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- According to the California Contractors State License Board, 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 A J B Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 614063 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- According to the California Contractors State License Board, 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 A J B Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Insured
| Insurer | State Compensation Insurance Fund |
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
85
Permits
- Building permit records show that A J B Construction has worked on 85 permitted projects.
A J B Construction Employees
AS
Alexander George Stergion
Rmo
BS
Barry George Stergion
Officer
PF
Peter Ronald Flores
Sole Owner
RF
Robert Pedro Flores
Sole Owner
TB
Tony Joe Berardino
Sole Owner