Updated: Jun 18, 2026
Location and Projects
Address
29771 WHITE OTTER LANE, Laguna Niguel, CA, 92677
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G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing
G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing, 29771 White Otter Ln, Laguna Niguel, CA (Employees: Adrienne Elizabeth Boroff, Eugene H Von Ehrenberg, and Gerald Ross Bill) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 103 ranks in the top 10% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing Services
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G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing Contact Information
Phone Number: (858) 488-8373
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Address: 29771 WHITE OTTER LANE, Laguna Niguel, CA 92677
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G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing Laguna Niguel
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing has worked on at least
3.0 projects over the past 2 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 |
|
2 projects
|
$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.
Building Permits by G R B Enterprises Inc Dba Coast Water Conditioning & Plu...
This is a sample of this contractor's permits. Click here to access their complete permit history.
Permit to remodel 3 bathrooms and new lighting in master bed (4) and living room (6). master bath: new shower (6) new lights new vanity w (2) new sinks (2) new gfci outlets (1) new fan. upstairs bath: new vanity w/(1) sink (2) new lights (2) new gfci outlets. downstair bath: new shower new vanity w 1 sink (2) new lights (1) gfci outlet
Valuation:
$27,500
Permit #:
BR25-0958
Status:
final
Fee:
$999
Permit Type:
N/A
Building Type:
N/A
Building - residential building permit - other
2024-08-16
Permit to remove and replace wood siding to match existing wall. replace siding as necessary on back wall install new insolation and vinyl. field verify for code compliance
Valuation:
$2,000
Permit #:
BR24-1351
Status:
final
Fee:
$200
Permit Type:
N/A
Building Type:
N/A
Addition/expansion for kitchen, laundry, bedroom, and bathroom totaling 315 sq ft addition and 630 sq ft remodel; rear deck addition (less than 30" above grade) totalling 187 sq ft; 5 sq ft mechanical; rear sfd to be reclassified as an sru. property has been added to the historic register.
Valuation:
$201,659
Permit #:
RBP-2016-1044
Status:
final
Fee:
N/A
Permit Type:
Addition
Building Type:
N/A
Building - residential building permit - alteration
2024-09-05
Permit for kitchen remodel like for like (reinstalling appliance and installing outlets to gfci) and no exterior work
Valuation:
$25,450
Permit #:
BR24-2149
Status:
final
Fee:
$752
Permit Type:
N/A
Building Type:
N/A
Rebuild front deck, in-kind; reuse and match as much of existing material as possible, per approved plans.
Valuation:
$7,319
Permit #:
RBP-2018-0635
Status:
final
Fee:
N/A
Permit Type:
Patio/Patio Cover...
Building Type:
N/A
Upgrade existing 50amp to 200amp at new location at rear of building.
Valuation:
$1,500
Permit #:
ELEC-2019-2174
Status:
final
Fee:
N/A
Permit Type:
General
Building Type:
N/A
Permit for tenant improvement including plumbing mechanical electrical and adding an exhaust hood. tenant: mandarin garden field verify for code compliance
Valuation:
$75,000
Permit #:
B10-1287
Status:
FINALED
Fee:
$1,627
Permit Type:
Cti
Building Type:
N/A
152 sf interior remodel for coffee bar inside showroom
Valuation:
$45,000
Permit #:
2204-253
Status:
final
Fee:
$1,880
Permit Type:
Tenant improvement
Building Type:
N/A
Plumbing & electrical items previously omitted for building permit b2014-0151
Valuation:
N/A
Permit #:
C2014-0283
Status:
EXPIRED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
182sf-patio trellis
Valuation:
N/A
Permit #:
B15-2457
Status:
final
Fee:
$190
Permit Type:
Ralt
Building Type:
N/A
Tenant improvement: new 810 sq. ft. tenant improvement for new storage area and ada bathroom in existing retail space
Valuation:
$20,000
Permit #:
BLD2011-02144
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit for demolish only....bring back to vanilla shell. tenant to be: mandarin garden. field verify for code compliance
Valuation:
$2,000
Permit #:
B10-1422
Status:
FINALED
Fee:
$160
Permit Type:
Demolish
Building Type:
N/A
Install (n) temporary power pole (to be removed by 4/30/17) entered by: bollsd
Valuation:
N/A
Permit #:
E2016-008554
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen all in same location; remove and replace kitchen window
Valuation:
$30,000
Permit #:
B12-1197
Status:
FINALED
Fee:
$533
Permit Type:
Ralt
Building Type:
N/A
Tenant improvement
Valuation:
$67,105
Permit #:
00552486-SBPT
Status:
final
Fee:
$373
Permit Type:
N/A
Building Type:
N/A
Permit to construct outdoor fireplace and barbeque per attached specifications. field verify for code compliance
Valuation:
$6,000
Permit #:
B09-1314
Status:
FINALED
Fee:
$279
Permit Type:
Ralt
Building Type:
N/A
Remodel kitchen & master bathroom.
Valuation:
$70,000
Permit #:
RBP-2012-0122
Status:
final
Fee:
N/A
Permit Type:
Minor Remodel
Building Type:
N/A
Replace siding
Valuation:
$3,200
Permit #:
BLD20-0346
Status:
final
Fee:
$365
Permit Type:
Alters&additions
Building Type:
N/A
Replace siding
Valuation:
$3,200
Permit #:
BLD20-0345
Status:
final
Fee:
$365
Permit Type:
Alters&additions
Building Type:
N/A
Office tenant improvement tenant: wealth planning group
Valuation:
N/A
Permit #:
00552482-EBP
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
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G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing Reviews
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Verified License
BuildZoom confirmed this contractor's license
G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing License info
Verified License
| License # | 898533 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 251445 |
| Status | Inactive |
| State | California |
| Type | Water Conditioning, Plumbing |
| Business Type | Corporation, Sole Ownership |
- 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 G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
19
Permits
- Building permit records show that G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing has worked on 19 permitted projects.
G R B Enterprises Inc Dba Coast Water Conditioning & Plumbing Employees
AB
Adrienne Elizabeth Boroff
Officer
EE
Eugene H Von Ehrenberg
Officer
GB
Gerald Ross Bill
Sole Owner
GJ
Grant Richard Boroff Jr
RMO/CEO/PRES
GS
Grant Richard Boroff Sr
Officer
HH
Harlan Fred Harmsen
Officer