Updated: May 03, 2026
Location and Projects
Address
4406 WILLOW GLEN CT, Concord, CA, 94521
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Rb 'S Service Contractors Plumber
Rb 'S Service Contractors at 4406 WILLOW GLEN CT, Concord, CA 94521, held a Plumber license (#581297) with the California contractors license board with an expiration date of 11-30-1997. We last verified the license was expired on 05-02-2026.
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 bidding system to be easily matched to qualified, licensed professionals in your area.
Rb 'S Service Contractors Services
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Rb 'S Service Contractors Contact Information
Phone Number: (510) 680-1161
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Address: 4406 WILLOW GLEN CT, Concord, CA 94521
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Building Permits by Rb 'S Service Contractors
This is a sample of this contractor's permits. Click here to access their complete permit history.
Repair fireplace stack (cracked brick)
Valuation:
$0
Permit #:
00065051
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fireplace repair/masonry flue liners
Valuation:
$0
Permit #:
BH94002895
Status:
Cofo
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Elect upgrade/furnace/air cond
Valuation:
N/A
Permit #:
BIMU0000215148
Status:
expired
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
2 furnaces/air conditioner
Valuation:
N/A
Permit #:
BIM0000191673
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install air conditioning & hook-up
Valuation:
$0
Permit #:
00065304
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2 furnaces/air cond
Valuation:
N/A
Permit #:
BIM0000191675
Status:
expired
Fee:
$73
Permit Type:
N/A
Building Type:
N/A
Air conditioning furnace and elect
Valuation:
N/A
Permit #:
BIMU0000188630
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Replace sewer line
Valuation:
$0
Permit #:
BH94001214
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Flue repair of furnace
Valuation:
$0
Permit #:
BH94000592
Status:
Withdraw
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Chimney repair
Valuation:
N/A
Permit #:
BIRP0000191451
Status:
final
Fee:
$73
Permit Type:
N/A
Building Type:
N/A
Residential mechanical-electrical-plumbing combo
1994-06-24
Elect/plumbing/mech
Valuation:
N/A
Permit #:
BIMU0000194217
Status:
final
Fee:
$169
Permit Type:
N/A
Building Type:
N/A
Furnace/air cond
Valuation:
N/A
Permit #:
BIM0000196026
Status:
final
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
Flue liner repair
Valuation:
N/A
Permit #:
BIM0000184530
Status:
final
Fee:
$56
Permit Type:
N/A
Building Type:
N/A
Chimney repair
Valuation:
N/A
Permit #:
BIRP0000186691
Status:
final
Fee:
$56
Permit Type:
N/A
Building Type:
N/A
Chimney repair
Valuation:
N/A
Permit #:
BIRP0000189365
Status:
final
Fee:
$158
Permit Type:
N/A
Building Type:
N/A
Gas line
Valuation:
N/A
Permit #:
BIPL0000199399
Status:
final
Fee:
$79
Permit Type:
N/A
Building Type:
N/A
Gas line
Valuation:
N/A
Permit #:
BIPL0000183293
Status:
final
Fee:
$45
Permit Type:
N/A
Building Type:
N/A
Heating/a/c
Valuation:
N/A
Permit #:
BIM0000181047
Status:
final
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
Duct repair
Valuation:
$0
Permit #:
BH94000414
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Furnace
Valuation:
N/A
Permit #:
BIM0000196559
Status:
final
Fee:
$73
Permit Type:
N/A
Building Type:
N/A
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Rb 'S Service Contractors Reviews
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Rb 'S Service Contractors License info
Inactive License
| License # | 581297 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Masonry |
| Business Type | Partnership |
- 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 Rb 'S Service Contractors at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Rb 'S Service Contractors, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $7,500 |
23
Permits
- Building permit records show that Rb 'S Service Contractors has worked on 23 permitted projects.
Rb 'S Service Contractors Employees
AD
Ann Christine Dias
General Partner
RD
Raymond Dias
General Partner
RD
Raymond Dias
General Partner
RD
Robert Leonard Dias
Qualify Partner