Updated: Jul 07, 2026
Location and Projects
Address
6939 SCHAEFER AVE D 304, Chino, CA, 91710
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2R Drilling Site Work Contractor
2R Drilling Inc, 6939 Schaefer Ave, Chino, CA (Owned by: Brian C Serl) holds a Well Drilling license and 1 other 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 2R Drilling Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
2R Drilling Inc Contact Information
Phone Number: (909) 490-0530
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Address: 6939 SCHAEFER AVE D 304, Chino, CA 91710
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Boring: sierra hwy & lancaster blvd - 44812 sierra hwy three soil borings will be drilled using truck mounted drill rig with 8-inches hollow-stem auger or 5 rotary wash drill rig. usa dig alert will be called at least 3 days before field work start. hand auger will be used on upper 5 feet for utilities clearance. holes will be backfilled with cement grout. soil cutting will be stored ... see more
Valuation:
N/A
Permit #:
ECR23-05881
Status:
final
Fee:
$740
Permit Type:
N/A
Building Type:
N/A
Earth mechanics inc and 2r drilling will be drilling 3 geotechnical soil borings for the brightline west high-speed rail project in the city of rancho cucamonga owned property. the soil borings will be located in an unpaved vacant city lot located west of i-15 and south of foothill blvd. the apns are 0229021800000 and 0229021910000. prior to start of drilling locations will be verifie... see more
Valuation:
N/A
Permit #:
ROW2024-00024
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Drill 14 geotechnical soil borings within city of rancho cucamonga right-of-way. borings will be between 5 and 8 diameter and will be drilled to a maximum depth of 150 feet. borings will be drilled using a track or truck mounted drill rig equipped with either a rotary wash or hollow stem auger drilling system. any borings in the street/roadway will also obtain a lane closure permit. b... see more
Valuation:
N/A
Permit #:
ROW2024-00034
Status:
issued
Fee:
$2,385
Permit Type:
N/A
Building Type:
N/A
This permit is intended for the subsurface exploration phase of the jcsd etiwanda pipeline phase 1a project. specifically the drilling of 7 exploratory borings to depths of 20~40 feet for geotechnical investigation along 4th and 6th street in the city of jurupa valley
Valuation:
N/A
Permit #:
ROW2023-00243
Status:
complete
Fee:
$565
Permit Type:
N/A
Building Type:
N/A
Perform (2) geotechnical borings one on each side of the cross street bridge to assess subsurface geologic conditions soil samples for laboratory testing in order to prepare a geotechnical report for bridge rehabilitation
Valuation:
N/A
Permit #:
E2300380
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Pwcp 20-006: lancaster health district soil boring with maximum depth of 15 feet. soil boring will be drilled using truck mounted drill rig with 8-inches hollow-stem auger. usa dig alert will be called at least 3 days before field work start. hand auger will be used on upper 5 feet for utilities clearance. hole will be backfilled with soil cutting and cement. the contractor shall comp... see more
Valuation:
N/A
Permit #:
ECR21-03418
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ontario avenue widening at lincoln avenue - st-2021- 03
Valuation:
N/A
Permit #:
PWEC23-00107
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Soil sampling with max depth of 80 feet. median lane 1 and 2 eb foothill blvd. between i-15 sb on-ramp and i-15 nb off-ramp for the i-15 express lane project
Valuation:
N/A
Permit #:
ROW2022-00022
Status:
issued
Fee:
$128
Permit Type:
N/A
Building Type:
N/A
Project: west valley connector corridor project agency: san bernardino county transportation authority (sbcta) proposed work: 1 geotechnical boring located in shoulder on day creek blvd north of main st. see attached work plan and exhibit
Valuation:
N/A
Permit #:
ROW2020-00192
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
N/A
No fee utility permit- excavation and traffic control only
Valuation:
N/A
Permit #:
ELPT23-000126
Status:
issued
Fee:
N/A
Permit Type:
Excavation & traffic
Building Type:
N/A
Drill 8 borehole to 30ft for geotech investig 1 day 1000 sf
Valuation:
N/A
Permit #:
ENCR25-0036
Status:
issued
Fee:
$945
Permit Type:
Traffic control
Building Type:
N/A
Five exploratory boreholes with 8 diameter and depth between 15 to 30 feet for geotechnical investigation for jcsd water pipeline along etiwanda avenue
Valuation:
N/A
Permit #:
ROW2021-00137
Status:
issued
Fee:
$310
Permit Type:
N/A
Building Type:
N/A
Two soil borings. maximum 50ft depth. one on left turn lane of wb church st. another one on wb lane of miller ave
Valuation:
N/A
Permit #:
ROW2022-00269
Status:
issued
Fee:
$126
Permit Type:
N/A
Building Type:
N/A
Non-dce-standard- standalone:670/hollister
Valuation:
N/A
Permit #:
PRJ-1115183
Status:
issued
Fee:
$2,568
Permit Type:
N/A
Building Type:
N/A
Boring only - temescal canyon
Valuation:
N/A
Permit #:
PWEC25-00053
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(4) soil boring along stonehill for scwd
Valuation:
N/A
Permit #:
ENG22-0294
Status:
final
Fee:
N/A
Permit Type:
_street repair
Building Type:
N/A
Drilling of four (4) boreholes within the city row/property. the boreholes will be advanced to a maximum depth of 30 feet for soil sampling. the locations of the boreholes are shown in the attached boring location map
Valuation:
N/A
Permit #:
ROW2018-00606
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Drilling of four (4) boreholes within the city row/property. the boreholes will be advanced to a maximum depth of 30 feet for soil sampling. the locations of the boreholes are shown in the attached boring location map
Valuation:
N/A
Permit #:
ROW2018-00606
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
For cip; soil sampling; pavement and subgrade evaluation
Valuation:
N/A
Permit #:
ENC2023-0062
Status:
issued
Fee:
N/A
Permit Type:
Offsite - cut-bore
Building Type:
N/A
Excavation and traffic control cip no 3361
Valuation:
N/A
Permit #:
ELPT20-000128
Status:
final
Fee:
N/A
Permit Type:
Excavation & traffic
Building Type:
N/A
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Verified License
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2R Drilling Inc License info
Verified License
| License # | 709029 |
| Status | Active |
| State | California |
| Type | Well Drilling |
| Business Type | Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for 2R Drilling Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 709029 |
| Status | Inactive |
| City | Oceanside |
| Type | Contractor |
| Business Type | Corporation |
- According to the City of Oceanside, CA, 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 2R Drilling Inc at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
72
Permits
- Building permit records show that 2R Drilling Inc has worked on 72 permitted projects.
2R Drilling Inc Employees
BS
Brian C Serl
Owner
BS
Brian Craig Serl
Rmo / Ceo / Pres
ES
Eugene Laverne Serl
Ceo/President