Updated: Apr 29, 2026
Location and Projects
Address
195 MASON CIRCLE, Concord, CA, 94520
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Mardell A Bristol Plumber
Mardell A Bristol at 195 MASON CIRCLE, Concord, CA 94520, held a Plumber license (#674116) with the California contractors license board with an expiration date of 07-31-2013. We last verified the license was expired on 04-28-2026.
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.
Mardell A Bristol Services
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Mardell A Bristol Contact Information
Phone Number: (925) 939-3100
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Address: 195 MASON CIRCLE, Concord, CA 94520
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Gas line repair/replacement located inside unit 147
Valuation:
N/A
Permit #:
BIPL18-005530
Status:
final
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
Sewer lateral repair from house to cleanout
Valuation:
N/A
Permit #:
BIPL18-001007
Status:
final
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
Replacing hydrostatic water lines
Valuation:
N/A
Permit #:
BIPL18-005257
Status:
final
Fee:
$421
Permit Type:
N/A
Building Type:
N/A
Replacing hydrostatic water lines
Valuation:
N/A
Permit #:
BIPL18-005256
Status:
final
Fee:
$421
Permit Type:
N/A
Building Type:
N/A
Replacing hydrostatic water lines
Valuation:
N/A
Permit #:
BIPL18-005254
Status:
final
Fee:
$421
Permit Type:
N/A
Building Type:
N/A
Install earthquake shut off valve
Valuation:
N/A
Permit #:
BIPL18-004474
Status:
final
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
To replace (8) 3/4" gas lines for the following (8) units:
unit #: 10,11, 12, 13, 26, 27, 28, 29.
install earthquake valves for the following (6) units:
units #: 14, 15, 16, 30, 31, 32
Valuation:
$9,800
Permit #:
B151220
Status:
final
Fee:
$245
Permit Type:
N/A
Building Type:
N/A
Repair gas line 8/25/17 correction to scope of work: run 75 ft new gas line to rear of home for future bbq and firepit both less than 3 ft high. also repair 1 copper water line in front yard
Valuation:
N/A
Permit #:
BIPL17-008809
Status:
final
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
Reroute water lines from under slab through the walls
(plumbing work only. another contractor will pull the permit for sheetrock replacement, per rod shaull of roto-rooter.)
Valuation:
$2,000
Permit #:
B141067
Status:
final
Fee:
$133
Permit Type:
N/A
Building Type:
N/A
To install new gas line for existing utilities as replacement to the old leaky gas line no other works to be done under this permit
Valuation:
N/A
Permit #:
BIPL15-006449
Status:
final
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
Hydronic waterline replacement for building #6 at walnut creek manor apartment complex
Valuation:
N/A
Permit #:
BIPL17-005463
Status:
final
Fee:
$301
Permit Type:
N/A
Building Type:
N/A
To reroute hot and cold water line through walls and ceiling. (back walls too.)
Valuation:
$4,900
Permit #:
B160111
Status:
final
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Replace sewer line from where lateral exits the house to main sewer line in the middle of the street.
Valuation:
$7,325
Permit #:
B143530
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Replacing 180ft of water line *********address is 3354 buskirk ave in walnut creek manor**********
Valuation:
N/A
Permit #:
BIPL16-008574
Status:
final
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
Repair/test gas lines for units 1044 1042 2044 weldon lane outside building
Valuation:
N/A
Permit #:
BIPL15-012505
Status:
final
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
Replace sewer per pipe burst method and replace water line from meter to house. on property only.
Valuation:
$4,000
Permit #:
B152007
Status:
final
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
Bring existing water heaters up to code 1 located in laundry room and 1 closet behind unit a.
Valuation:
$950
Permit #:
B150311
Status:
final
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Reroute hot & cold waterlines (slab leak)- overhead to fixtures- (no fixture replacements) minor sheetrock (no wetwall)
Valuation:
$4,900
Permit #:
B140432
Status:
final
Fee:
$262
Permit Type:
N/A
Building Type:
N/A
Replace 180ft of water line ********address is 370 shaw rd in walnut creek manor**********
Valuation:
N/A
Permit #:
BIPL16-008576
Status:
final
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
Hydronic waterline replacement for building #5 at apartment complex walnut creek manor
Valuation:
N/A
Permit #:
BIPL17-005302
Status:
final
Fee:
$301
Permit Type:
N/A
Building Type:
N/A
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Mardell A Bristol License info
Inactive License
| License # | 674116 |
| Status | Inactive |
| State | California |
| Type | Plumbing, Sanitation System |
| Business Type | 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 Mardell A Bristol at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are Mardell A Bristol, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $12,500 |
166
Permits
- Building permit records show that Mardell A Bristol has worked on 166 permitted projects.
Mardell A Bristol Employees
MB
Mardell Ann Bristol
Sole Owner