Location and Projects
Address
14904 Potato Ranch Rd, Sonora, CA, 95370
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John C Griffin Construction Engineer
John C Griffin Construction, 14904 Potato Ranch Rd, Sonora, CA holds a General Building license and 3 other licenses according to the California license board.
Their BuildZoom score of 112 ranks in the top 3% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John C Griffin Construction, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
John C Griffin Construction Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Roofing
Boiler/Water Heater
Fire Sprinkler Systems
Gas and Piping
Electrical Work
Solar Installation
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Siding
Stucco and Exterior Plastering
Other Exteriors
HVAC
Painting
Decks and Porches
Doors and Windows
Framing
Wood Fences
Other Carpentry
Backsplash and Countertops
John C Griffin Construction Sonora
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
John C Griffin Construction has a BuildZoom score of 112, which places them above 97% of 336,931 contractors in California.
Activity
|
31 projects
|
2025 |
|
20 projects
|
2024 |
|
36 projects
|
2023 |
Our building permit records indicate that John C Griffin Construction has worked on at least
87.0 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.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
10 projects
|
New Constructions |
|
6 projects
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that John C Griffin Construction mostly works on
new construction
and commercial renovation
projects.
Pricing
|
16 projects
|
< $5k |
|
4 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $1,200. This graph shows the distribution of these job values.
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.
John C Griffin Construction Reviews
5 out of 5 stars, based on
1
review
-
By Steve G.June 30, 2014Wrap around front porch$20,000.20 daysFirst Class Contractor
Building Permits by John C Griffin Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Pid 5783860 open trench 8 and bore 200 to place pvc conduit for communication cable. place (2) new 24"x36 catv vaults. tie into (1) existing catv vault. place (1) new pvc conduit stub out. 490 of aerial cable installation on existing poles
Valuation:
N/A
Permit #:
ROW2025-00070
Status:
issued
Fee:
$2,933
Permit Type:
N/A
Building Type:
N/A
Place catv power supply meter pedestal e/s/o monroe ave 39 s/o troyes ln (7 from curb face 1 behind side walk); trench 1-3 sce conduit 9 tie into sce transformer p5658026; trench 1-2 catv conduit 17 tie into existing catv pedestal for charter communications/spectrum. project subject to field review & inspection. **encroachment under separate permit e-pt-misc-2025-0068**
Valuation:
$1,200
Permit #:
BLDG-ELEC-2025-01091
Status:
final
Fee:
$271
Permit Type:
N/A
Building Type:
N/A
Permit for relocation of existing pole-mounted meter (with ground mounted power supply pedestal) replace it with ground-mounted power supply meter pedestal as part of rule 20 relocation. w/s/o catawba ave n/o s. highland ave
Valuation:
N/A
Permit #:
ELEC-25-00507
Status:
issued
Fee:
$99
Permit Type:
N/A
Building Type:
N/A
Install new catv power supply meter pedestal on the northeast corner of perris blvd and orange ave. 120/240v 6kw 100a 1 phase 22 of trench to place 2 pvc conduit for catv 13 of trench to place 3 pvc conduit for power place new alpha power supply meter pedestal - 20"x26"x58 on ~48"x38 concrete slab tie into exisiting 13"x24 edison hh tie into exisiting 18"x36 catv ped
Valuation:
$1,200
Permit #:
PMT24-01659
Status:
final
Fee:
$353
Permit Type:
Alteration
Building Type:
N/A
Bore trench to install conduits for charter spectrum (190 ft.). · set new charter vaults (1). · rod & rope thru ex.charter conduit (73 ft.). · remove & replace concrete sidewalk panel (38 sq.ft). 10420 alta loma dr rancho cucamonga ca 917037:
Valuation:
N/A
Permit #:
ROW2024-00657
Status:
issued
Fee:
$1,196
Permit Type:
N/A
Building Type:
N/A
Plan check for relocation of existing pole-mounted meter (with ground mounted power supply pedestal) replace it with ground-mounted power supply meter pedestal as part of rule 20 relocation. w/s/o catawba ave n/o s. highland ave
Valuation:
$1,200
Permit #:
BPCH25-00859
Status:
complete
Fee:
$195
Permit Type:
N/A
Building Type:
N/A
Bore trench to install conduits for charter spectrum (2 ft.). · rod & rope to overpull new cable thru ex.charter conduit (350 ft.). 9540 center ave rancho cucamonga ca 91730
Valuation:
N/A
Permit #:
ROW2024-00701
Status:
complete
Fee:
$1,149
Permit Type:
N/A
Building Type:
N/A
Tcp to rod & rope to overpull cable thru ex.charter conduit (200 ft.).8112 milliken ave 101 rancho cucamonga ca 91730:
Valuation:
N/A
Permit #:
ROW2025-00196
Status:
complete
Fee:
$228
Permit Type:
N/A
Building Type:
N/A
Install catv power supply meter pedestal in the public right-of-way to service tract 38291; also place rhino catv vault with pedestal; place 10 round catv pull box; conduit already placed in joint trench phase
Valuation:
N/A
Permit #:
PMT24-03513
Status:
canceled
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
Install new catv power supply meter pedestal on the northeast corner of perris blvd and orange ave. 120/240v 6kw 100a 1 phase 22 of trench to place 2 pvc conduit for catv 13 of trench to place 3 pvc conduit for power place new alpha power supply meter pedestal - 20"x26"x58 on ~48"x38 concrete slab tie into exisiting 13"x24 edison hh tie into exisiting 18"x36 catv ped
Valuation:
$1,200
Permit #:
PMT23-02323
Status:
issued
Fee:
$117
Permit Type:
Alteration
Building Type:
N/A
Re-energize existing catv meter pedestal with meter sce 222011-337146; the meter was de-energized during an sce upgrade in the area. pedestal needs a building release in order for edison to proceed
Valuation:
$1,200
Permit #:
PMT24-03678
Status:
final
Fee:
$125
Permit Type:
Alteration
Building Type:
N/A
Revision 1 - install cable tv power supply jumper pedestal location change install cable tv power supply jumper pedestal location tr 28791 rev 01 - 01/25/2023: revision 1 - install cable tv power supply jumper pedestal location change tr 28791
Valuation:
$1,200
Permit #:
PMT22-04695
Status:
issued
Fee:
$221
Permit Type:
Alteration
Building Type:
N/A
Relocate 100 amp cable tv pedestal for charter tv in row: 100amp 120/240v 6kw 18a draw. (no parcel number pedestal is in the right of way adjacent to parcel 906070021/41520 lemon st.) subject to field review & inspection
Valuation:
$1,200
Permit #:
BLDG-ELEC-2023-00205
Status:
final
Fee:
$248
Permit Type:
N/A
Building Type:
N/A
Rod & rope to overpull new cable thru existing charter conduit (280 ft.).8530 hellman ave rancho cucamonga traffic control to:
Valuation:
N/A
Permit #:
ROW2025-00162
Status:
complete
Fee:
$396
Permit Type:
N/A
Building Type:
N/A
Charter spectrum - service cabinet relocation - remove & replace sidewalk panels remove catv meter pedestal to intercept catv conduit and route to new meter pedestal. trench 24 to place 1-3 conduit for power trench 16 to place 1-2 conduit for catv
Valuation:
N/A
Permit #:
E-PT-MISC-2023-00043
Status:
expired
Fee:
$512
Permit Type:
N/A
Building Type:
N/A
Install cable tv power meter supply pedestal in city right of way (encroachment may be needed please contact engineering) place 10 of 3 conduit from catv power supply meter pedestal to edison manhole permit extended 12/31/2024 place 100 of 2 conduit from catv power supply meter pedestal to 17x30 catv vault address revised 3/25/2024 ctc permit extended 12/31/2024
Valuation:
N/A
Permit #:
PMT21-05701
Status:
final
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
Install catv power supply pedestal at 557 west of c/l of dorset street and 85 south from curb face and 13 behind sidewalk on citrus ave. 14 east of existing 1378 citrus ave catv meter pedestal
Valuation:
$1,200
Permit #:
PMT23-01949
Status:
issued
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Install cable tv power supply meter pedestal i am having problems uploading attachments but i sent over the site maps and building permit application to [email protected]
Valuation:
$1,200
Permit #:
PMT21-00867
Status:
final
Fee:
$104
Permit Type:
N/A
Building Type:
N/A
Crw to rod & rope in ex. conduits for charter spectrum (355')
Valuation:
N/A
Permit #:
ROW2025-00223
Status:
complete
Fee:
$818
Permit Type:
N/A
Building Type:
N/A
Rod & rope to overpull new cable thru ex.charter conduit (72 ft.).· traffic control for work on private property. 9500 haven ave rancho cucamonga ca 91730:
Valuation:
N/A
Permit #:
ROW2025-00329
Status:
issued
Fee:
$171
Permit Type:
N/A
Building Type:
N/A
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John C Griffin Construction License info
Verified License
| License # | 852966 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for John C Griffin Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 618983 |
| Status | Active |
| State | California |
| Type | Electrical, General Building, Low Voltage Systems, General Engineering |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for John C Griffin Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 472128 |
| Status | Inactive |
| City | Oceanside |
| Type | Contractor |
| Business Type | Sole Ownership |
- According to the City of Oceanside, CA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for John C Griffin Construction at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 472128 |
| Status | Inactive |
| State | California |
| Type | Roofing, Construction Clean Up |
| 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.
Check this license's status for John C Griffin Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Workers' Compensation History |
644
Permits
- Building permit records show that John C Griffin Construction has worked on 644 permitted projects.
John Griffin Construction is the most honest, trust worthy contractor we have ever encountered. He is on time, answers all questions you may have and his work is top notch. He is meticulous in every job he has done for us. We look forward to working with him again.