Updated: Jun 13, 2026
Location and Projects
Address
4920 LOTUS AVE, Yorba Linda, CA, 92887
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ISAACS PLUMBING
ISAACS PLUMBING at 4920 LOTUS AVE, Yorba Linda, CA 92887, held a Plumber license (#NAT-F183535-1) with the Environmental Protection Agency contractors license board with an expiration date of 03-08-2023. We last verified the license was expired on 06-12-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
ISAACS PLUMBING Services
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ISAACS PLUMBING Contact Information
Phone Number: (714) 258-0603
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Address: 4920 LOTUS AVE, Yorba Linda, CA 92887
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Uponor pex repipe of entire dwelling with drywall and stucco repair as needed
Valuation:
N/A
Permit #:
YL-0080355
Status:
issued
Fee:
$266
Permit Type:
N/A
Building Type:
N/A
Lawa terminal 5. addition medium pressure gas line. addition low pressure gas line. modify approved plan. change arrangement for fuel gas piping. addition one gas pressure regulator and outlet. plan approved under 12042-10001-10664. this permit is for lemonade restaurant
Valuation:
N/A
Permit #:
12042-10000-15800
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvment to replace a 1-1/2 water line with 2 line serving (9) tenants and restrooms. new 2 backflow existing 1-1/2 meter. plan check only-permit under 14042-40001-16857
Valuation:
N/A
Permit #:
14042-10000-24229
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plumbing: fire damage: 374.5 sq. ft. remodel of (3) restrooms for accessibility compliance and breakroom
Valuation:
N/A
Permit #:
BLD2017-01451
Status:
final
Fee:
N/A
Permit Type:
Tenant improvement
Building Type:
N/A
Commercial plumbing: installing 3 shampoo bowls dryer washer 2 pedicure sinks 1 reg sink 1 laundry sink at 783 w imperial structural mechanical & electrical on other permits. use account number fire damage recovery
Valuation:
$5,800
Permit #:
H04-020-038
Status:
history
Fee:
N/A
Permit Type:
Value
Building Type:
N/A
Tenant improvement for a new credit union. building f #1530 plan check for potable water waste/vent
Valuation:
N/A
Permit #:
15042-20000-09120
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Fire damage repair (reference building. permit # 10016-30000-12399). comply with department order effective date 07/08/2010. permit will expire 30 days from issuance date. all permits shall be for the same time period limitation
Valuation:
N/A
Permit #:
10042-40000-19335
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plumbing improvement for homeboy bakery & cafe in terminal 4 space 4k. includes potable water grease waste and sanitary waste/vent systems. connect to 1 1/2 submeter
Valuation:
N/A
Permit #:
12042-10000-14580
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit for permit #15042-40000-09120 to pay for floor sink and trap primer
Valuation:
N/A
Permit #:
15042-40001-09120
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit #14042-40000-23073 to correct address from 2617 e. olympic blvd to 2716 w. olympic blvd
Valuation:
N/A
Permit #:
14042-40001-23073
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check only application for revisions to previously approved plan. revised water heater from electric to gas gas prv gas solenoid valve and upgraded sub-meter from 1 to 2
Valuation:
N/A
Permit #:
11042-10002-17223
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Commercial genrepairs - general repairs. ds4053 - fire damage repair; replace fixtures: (2) kitchen sinks;(2)dishwashers;(4) toilets; (4) lavs; (2) bathtubs; (2) showers. please use account no. for all inspections on this permit
Valuation:
N/A
Permit #:
H03-110-074
Status:
history
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial plumbing - plumbing permit. ds4011 repair of fire damaged roof structure and one wall that separated two businesses includes plumbing only. structural mechanical & elect on separate permit
Valuation:
$15,000
Permit #:
H03-120-017
Status:
history
Fee:
N/A
Permit Type:
Value
Building Type:
N/A
Supplemental to permit # 14042-40000-16857 for additional items
Valuation:
N/A
Permit #:
14042-40001-16857
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Ref: b02-00758. repair plumbing in kitchen area due to flood damage from broken water pipes. plumbing to include: 1 dishwasher 5 floor drains 1 gas (1-4 outlets) 1 interceptors 2 commercial sinks 9 floor sinks 1 service sink 2 hand sinks
Valuation:
N/A
Permit #:
P02-00660
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit for pex repipe entire house 12 fixtures. field verify for code compliance
Valuation:
N/A
Permit #:
B18-1199
Status:
final
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Fire damage ada bathrooms 2nd floor
Valuation:
N/A
Permit #:
16042-40000-13875
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Fire damage repair (reference building permit # 14016-10000-07235)
Valuation:
N/A
Permit #:
14042-40000-16857
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plumbing for ada restroom
Valuation:
N/A
Permit #:
1806120008
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Water heater replace 50-gallon water heater
Valuation:
$1,100
Permit #:
B14-001-378
Status:
final
Fee:
$105
Permit Type:
Value
Building Type:
N/A
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ISAACS PLUMBING License info
Inactive License
| License # | NAT-F183535-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Corporation |
- According to the United States Environmental Protection Agency, 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 ISAACS PLUMBING at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 429549 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | 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 ISAACS PLUMBING at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are ISAACS PLUMBING, click “This is My Business” to update your information.
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Oak River Insurance Company |
233
Permits
- Building permit records show that ISAACS PLUMBING has worked on 233 permitted projects.
ISAACS PLUMBING Employees
KC
Keith Paul Colmar
Officer
RM
Richard Douglas Moody
Rmo / Ceo / Pres