Updated: Dec 07, 2025
Location and Projects
Address
P O BOX 4718, Hayward, CA, 94540
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Preferred plumbing & Heating
Preferred plumbing & Heating at P O BOX 4718, Hayward, CA 94540, held a HVAC/Mechanical Contractor license (#699686) with the California contractors license board with an expiration date of 12-31-1996. We last verified the license was expired on 12-06-2025.
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.
Preferred plumbing & Heating Contact Information
Phone Number: (800) 956-9666
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Address: P O BOX 4718, Hayward, CA 94540
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Building Permits by Preferred plumbing & Heating
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace gas lines to pump room and water heater
Valuation:
$118,403
Permit #:
BPL160349
Status:
ISSUED
Fee:
$424
Permit Type:
N/A
Building Type:
N/A
Replace existing 3.5ton 14 seer system
Valuation:
$574,711
Permit #:
BME160374
Status:
ISSUED
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Unit#1001 - replace 2ton 14 seer heat pump system
Valuation:
$40,954
Permit #:
BME160338
Status:
ISSUED
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Replace existing 4ton upflow system (system 2)
Valuation:
$30,715
Permit #:
BME160576
Status:
ISSUED
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Replace existing tankless water heater
Valuation:
$105,247
Permit #:
BPL160276
Status:
ISSUED
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Plumbing repair and relocate existing sewer lateral on private proper ty
Valuation:
N/A
Permit #:
SL950241
Status:
PERMIT ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing replace or repair sewer lateral from house to property line
Valuation:
N/A
Permit #:
SL950032
Status:
APPLICATION APPROVED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sewer repair on side of house to sidewalk approx 10-15- ft range
Valuation:
N/A
Permit #:
327952
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Gas line repair from gas meter to each fixture (new gas line)
Valuation:
N/A
Permit #:
338460
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To replace trap (sewer) under sidewalk
Valuation:
N/A
Permit #:
329029
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace clothes washer waste line
Valuation:
N/A
Permit #:
RP9500517
Status:
EXPIRED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Gas test on new line 1
Valuation:
N/A
Permit #:
338614
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hvac change out
Valuation:
$0
Permit #:
BME160410
Status:
ISSUED
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Plumbing gas test
Valuation:
N/A
Permit #:
RP9501098
Status:
FINAL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Gas test on two houselines
Valuation:
N/A
Permit #:
337213
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Preferred plumbing & Heating License info
Inactive License
| License # | 699686 |
| 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 Preferred plumbing & Heating at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 699584 |
| 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 Preferred plumbing & Heating 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 Preferred plumbing & Heating, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $7,500 |
14
Permits
- Building permit records show that Preferred plumbing & Heating has worked on 14 permitted projects.
Preferred plumbing & Heating Employees
PW
Pauline Adeline Williams
Officer
UK
Udo Werner Kruger
Rmo / Ceo / Pres