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Location and Projects

Address
2643 Mayfair Ave, Concord, CA, 94520
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JR General Contracting Electrician

JR General Contracting, 2643 Mayfair Ave, Concord, CA (Employee: John Rilli) holds a General Building, Electrical license and 1 other license according to the California license board.

Their BuildZoom score of 99 ranks in the top 15% of 336,931 California licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring JR General Contracting, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.

JR General Contracting Contact Information

Phone: (925) 864-6953
Address: 2643 Mayfair Ave, Concord, CA 94520

JR General Contracting Concord

Quality

99
85th percentile
How is the BuildZoom score calculated?
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
JR General Contracting has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.

Activity

1 project
 2025
2 projects
 2024
2 projects
 2023
Our building permit records indicate that JR General Contracting has worked on at least 5.0 projects over the past 3 years.

This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.

Experience

4 projects
 Electrical projects
Analyzing permits over the last 4 years shows that JR General Contracting mostly works on electrical project projects.

Pricing

2 projects
 < $5k
3 projects
 $5k-$20k
Value Not Public: 0 projects
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 JR General Contracting

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Residential trade
3405 Norton Way, Pleasanton, CA, 94566
2025-05-29
Replace old zinsco subpanel 100 amp with new square d no new loads will be added it is a like panel replacement. the existing panel is in the walk-in closet and will reverse with access in open space walkway
Valuation:
$2,000
Permit #:
B25-1477
Status:
final
Fee:
$179
Permit Type:
N/A
Building Type:
N/A
Electrical - residential otc
6561 Bantry Bay St, Dublin, CA, 94568
2024-05-08
Replace existing subpanels for water fountains (3) panels located in inground vault (gfci) 40 amp circuit - 2 20amp breakers 1 for pump 1 for outlet 3 fountains
Valuation:
$4,500
Permit #:
BLDG-2024-03212
Status:
final
Fee:
$299
Permit Type:
N/A
Building Type:
N/A
Building - residential electrical
18 Beaumont Ct, Lafayette, CA, 94549
2021-05-24
Upgrade service to 200 amp move panel to corner of house approved with pg&e **7/10/2021 - revision to remove/delete the sub-panel and will use the new exterior meter/main combo panel to house the circuits and will be used as the load center of the house. vsd**
Valuation:
N/A
Permit #:
BIE21-005995
Status:
final
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
Residential trade
3405 Norton Way, Pleasanton, CA, 94566
2024-07-30
Replace zinsco panels with new disconnect and meter panels (9) no new loads added. 400amp disconnect 65k aic
Valuation:
$14,000
Permit #:
B24-2126
Status:
triage
Fee:
$1,834
Permit Type:
N/A
Building Type:
N/A
Accessory structure
900 Cambridge Dr, Benicia, CA, 94510
2023-09-19
No Description Available
Valuation:
$16,000
Permit #:
B-23-110
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical
2201 16th Ave, San Francisco, CA, 94116
2022-08-18
Addition electrical for new living space switch fromoverhead to underground service pg&e approved install ufer ground upgrade 200 amp panel
Valuation:
N/A
Permit #:
EW202105285845
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical
1573 34th Ave, San Francisco, CA, 94122
2020-02-25
The existing service entrance wires were not the correct size for the 125amp panel. replace no.4 three wires with no.2 from weatherhead to meter
Valuation:
N/A
Permit #:
EW202001286287
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building Permit
900 Cambridge Dr, Benicia, CA, 94510
2022-05-11
Replace 4x12 staircase ledger install sofit vent between support joist stucco repair units 173 174 175 176
Valuation:
$3,500
Permit #:
BLD-22-578
Status:
suspended
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical
720 5th Ave, San Francisco, CA, 94118
2019-05-28
Complete rewire install ufer ground 200a service upgrade 20 lights 20 switches 80 receptacles 4 fans 1 dishwasher 1 garbage disposal 1 microwave 1 range 5 smoke detectors
Valuation:
N/A
Permit #:
E20180124472
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building
1225 Glenwood Dr, Concord, CA, 94518
2020-03-12
Addition 20 amp circuit for kitchen & exterior plug at back patio area
Valuation:
$300
Permit #:
B191476
Status:
final
Fee:
$167
Permit Type:
N/A
Building Type:
N/A
Electrical
1251 40th Ave, San Francisco, CA, 94122
2018-03-14
Upgrade 200amp service. install sub panel at 2nd floor. install central outlets/switches
Valuation:
N/A
Permit #:
E201708317391
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical
710 43rd Ave, San Francisco, CA, 94121
2020-12-23
New electrical to master suite
Valuation:
N/A
Permit #:
EW202007239178
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical
637 Powell St, Apt 101, San Francisco, CA, 94108
2017-08-14
Unit # 101: relocate fuse box in kitchen to laundry space in bathroom with breaker panel
Valuation:
N/A
Permit #:
E201703093439
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building
637 Powell St, San Francisco, CA, 94108
2017-03-09
Replace existing cabinets delete fuse box in the kitchen and relocate to laundry space with sub-panel
Valuation:
$8,000
Permit #:
201703091055
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Residence accessory structure
3368 Smoketree Commons Dr, Pleasanton, CA, 94566
2023-05-04
Replace and repair damaged deck railing with new up to code design on a second story balcony
Valuation:
$6,500
Permit #:
B23-1713
Status:
final
Fee:
$433
Permit Type:
N/A
Building Type:
N/A
Combo
1844 Granada Dr, Concord, CA, 94519
2016-03-11
Electrical service upgrade from 100a to 200a
Valuation:
$750
Permit #:
B160615
Status:
final
Fee:
$129
Permit Type:
N/A
Building Type:
N/A
Residential trade
8015 Mountain View Dr, Pleasanton, CA, 94588
2011-09-29
Canyon meadows hoa units a c e & g replacement of an existing wire 90 amp 4awg from meter to sup panel
Valuation:
$1,500
Permit #:
B11-1092
Status:
final
Fee:
$43
Permit Type:
N/A
Building Type:
N/A
Combo
2774 Broadmoor Ave, Concord, CA, 94520
2017-09-13
Replace electric meter panel/subpanel in the garage & upgrade from 90a to 200a
Valuation:
$1,200
Permit #:
B172888
Status:
final
Fee:
$159
Permit Type:
N/A
Building Type:
N/A
Building
4041 Cowell Rd, Concord, CA, 94518
2019-01-07
Upgrade 200 amp service. install new meter panel
Valuation:
$700
Permit #:
B184352
Status:
final
Fee:
$168
Permit Type:
N/A
Building Type:
N/A
Residential alteration
8170 Mountain View Dr, Pleasanton, CA, 94588
2011-07-22
Remove and replace 4x4 df post due to dryrot. replace all hardware like for like
Valuation:
$1,600
Permit #:
B11-0531
Status:
final
Fee:
$186
Permit Type:
N/A
Building Type:
N/A

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