Location and Projects
Address
P O BOX 79411, Corona, CA, 92877
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DRILL SUB Engineer
DRILL SUB INC, Corona, Po Box 79411, Corona, CA (Employees: LIZE WILLERS-OPPERMAN, Schalk Opperman, and Schalk Opperman) holds a Contractor license and 1 other license according to the Oceanside 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 DRILL SUB INC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
DRILL SUB INC Contact Information
Phone Number: (951) 258-6800
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Address: P O BOX 79411, Corona, CA 92877
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DRILL SUB INC Corona
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
DRILL SUB INC has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
7 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that DRILL SUB INC has worked on at least
13.0 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
|
1 project
|
< $5k |
|
1 project
|
$20k-$50k |
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.
Location: von karman n/o martin--excavate 2'x2 paved area in street repair water line in parkway. restore per city stds. standard cond apply. tc per watch. 5 day job
Valuation:
N/A
Permit #:
00948188-EP
Status:
final
Fee:
$1,379
Permit Type:
N/A
Building Type:
N/A
9427 beechwood dr. rancho cucamonga ca. - sewer lateral installation 1. setup traffic control per watch manual 2. sawcut existing asphalt for sewer lateral excavation 3. excavate approximately 20’ long and 6’-8’ deep to the existing mainline 4. place new saddle for 4” lateral on existing sewer mainline 5. install 4” hdpe from mainline to property line 6. backfill with 1 sack slurry 7.... see more
Valuation:
N/A
Permit #:
ROW2022-00263
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing 4 sewer lateral with new 6 sewer lateral per std-406 reconstruct sidewalk curb and gutter as needed per city standard perform trench restoration per city standard
Valuation:
N/A
Permit #:
N2023-0334
Status:
final
Fee:
$1,140
Permit Type:
N/A
Building Type:
N/A
Remove existing driveway apron construct sidewalk curb & gutter new residential driveway apron and new 1 water meter & associated work for adu (combr-2021-00256)
Valuation:
N/A
Permit #:
PWE-2022-00179
Status:
expired
Fee:
$3,765
Permit Type:
N/A
Building Type:
N/A
6 sewer lateral with a 4 to 6 sewer bursting. with clay pipe at sewer main connection
Valuation:
$27,000
Permit #:
P2023-0213
Status:
issued
Fee:
$40
Permit Type:
N/A
Building Type:
N/A
Installation of 6 fire service and meter 6 backflow and fdc location. underground work
Valuation:
N/A
Permit #:
22043-10000-02545
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Potable water underground. 4-inch domestic water meter and 4-inch backflow device
Valuation:
N/A
Permit #:
22042-10000-01962
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Undrgrnd electric routing asphalt patch back 7800sf 30 days
Valuation:
N/A
Permit #:
ENCR22-0295
Status:
issued
Fee:
$5,672
Permit Type:
Traffic control
Building Type:
N/A
Excavate a 25'l x 3'w x 8'd trench to repair the sewer pipe
Valuation:
N/A
Permit #:
PWE24-1151
Status:
expired
Fee:
$600
Permit Type:
N/A
Building Type:
N/A
Drill sub to replace existing residential sewer lateral
Valuation:
N/A
Permit #:
E24-0158
Status:
final
Fee:
$1,606
Permit Type:
N/A
Building Type:
N/A
Site sewer with (2) building drains
Valuation:
N/A
Permit #:
21042-10000-85741
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Manufactured replace 2 of storm drain @ the common area
Valuation:
$1,000
Permit #:
XR2023-3153
Status:
expired
Fee:
$119
Permit Type:
N/A
Building Type:
N/A
Manufactured replace 2 of storm drain @ the common area
Valuation:
N/A
Permit #:
PC2023-2712
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing replace portion of main sewer line and cleanout
Valuation:
N/A
Permit #:
PC2023-1537
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing replace portion of main sewer line and cleanout
Valuation:
N/A
Permit #:
P2023-0235
Status:
final
Fee:
$114
Permit Type:
N/A
Building Type:
N/A
Replace sewer lateral sidewalk curb gutter. dumpster
Valuation:
N/A
Permit #:
SC2023-1081
Status:
final
Fee:
$82
Permit Type:
N/A
Building Type:
N/A
Street off-site improvement permit 45 day exten req 1000sf
Valuation:
N/A
Permit #:
STIM19-005
Status:
issued
Fee:
N/A
Permit Type:
New improvements ...
Building Type:
N/A
Sewer lateral replacement
Valuation:
N/A
Permit #:
E24-0289
Status:
final
Fee:
$629
Permit Type:
N/A
Building Type:
N/A
Sewer lateral install new wye 8 x 4 behind new developmnt
Valuation:
N/A
Permit #:
ENCR22-0078
Status:
issued
Fee:
$802
Permit Type:
Sewer
Building Type:
N/A
**scope clarification. 11-27-23** - clairemont mesa. building electrical mechanical and plumbing permits for a remodel to an existing car wash. scope of work includes partial demolition of the building addition of vacuum stalls pay stations roof at car wash tunnel remodel bathrooms laundry storage and equipment rooms; fabric shade structures and structural support for a business sign.... see more
Valuation:
N/A
Permit #:
PRJ-1080047
Status:
issued
Fee:
$8,057
Permit Type:
N/A
Building Type:
N/A
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DRILL SUB INC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
DRILL SUB INC License info
Verified License
| License # | 937432 |
| Status | Active |
| City | Oceanside |
| Type | Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for DRILL SUB INC at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 937432 |
| Status | Active |
| State | California |
| Type | General Engineering |
| Business Type | Corporation |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for DRILL SUB INC 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
39
Permits
- Building permit records show that DRILL SUB INC has worked on 39 permitted projects.
DRILL SUB INC Employees
LW
LIZE WILLERS-OPPERMAN
CEO / PRESIDENT
SO
Schalk Opperman
Sole Owner
SO
Schalk Opperman
Rmo