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Location and Projects

Address
2648 THORNHILL DRIVE, San Carlos, CA, 94070
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Ron Collosi Construction

Ron Collosi Construction at 2648 THORNHILL DRIVE, San Carlos, CA 94070, held a General Contractor license (#250908) with the Butte County contractors license board with an expiration date of 12-31-1996. We last verified the license was inactive on 08-05-2025.

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.

Ron Collosi Construction Contact Information

Phone: (650) 349-8259 Edit
Address: 2648 THORNHILL DRIVE, San Carlos, CA 94070 Edit

Ron Collosi Construction San Carlos

Quality

Alert*
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Ron Collosi Construction, click “This is My Business” to update your information.

Activity

1 project
2024
Our building permit records indicate that Ron Collosi Construction has worked on at least 1.0 project over the past 2 years.

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

Pricing

1 project
< $5k
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 Ron Collosi Construction

Sort by: Notable Notable | Date Date | Job Value Job Value
Residential: limited review - electrical mechanical plumbing roof solar etc
2024-01-11
Changing the main 200 amp electrical panel for a 400 amp electrical panel. the main gas meter is located on the opposite side of the house. the new electrical panel is in the exact location as the old electrical panel current panel amperage: 200 proposed panel amperage: 400 change out new: change out - upgrade *** electronic- change to paper****
Valuation:
$4,500
Permit #:
BLD20-04232
Status:
complete
Fee:
$150
Permit Type:
Alteration
Building Type:
N/A
Addition 86 sq. ft. to front of house to create laundry room and extend kitchen. removing 4 sq. ft. from existing kitchen. complete kitchen remodel changing windows on front side of house only addition skylight in kitchen
Valuation:
$130,172
Permit #:
BLD2007-00004
Status:
final
Fee:
$7,666
Permit Type:
N/A
Building Type:
N/A
Replace retaining wall in front of property
Valuation:
N/A
Permit #:
ENC2013-00231
Status:
issued
Fee:
$221
Permit Type:
Street or sidewalk
Building Type:
N/A
Kitchen remodel/fixtures to remain in same location
Valuation:
$15,000
Permit #:
B04-0348
Status:
issued
Fee:
$294
Permit Type:
Alter/res
Building Type:
N/A
Residential alterations
2013-10-02
Residence alteration
Valuation:
N/A
Permit #:
2011-658057
Status:
final
Fee:
$4,488
Permit Type:
N/A
Building Type:
N/A
Kitchen & 2 bathroom remodel; interior dryrot repair
Valuation:
$115,000
Permit #:
B2006-0290
Status:
final
Fee:
$3,033
Permit Type:
Alteration
Building Type:
N/A
Guest bathroom remodel & insta
Valuation:
N/A
Permit #:
O-1996-0204
Status:
approved
Fee:
N/A
Permit Type:
Remodel
Building Type:
N/A
Kitchen remodel: replace exist
Valuation:
N/A
Permit #:
O-1995-0097
Status:
approved
Fee:
N/A
Permit Type:
Addition/remodel
Building Type:
N/A
Residential mechanical
2009-06-10
Air conditioning
Valuation:
N/A
Permit #:
2008-651519
Status:
final
Fee:
$283
Permit Type:
N/A
Building Type:
N/A
Remodel bathroom
Valuation:
$3,000
Permit #:
O-1999-0019
Status:
approved
Fee:
$111
Permit Type:
Remodel
Building Type:
N/A
Bathroom remodel
Valuation:
N/A
Permit #:
O-1996-0131
Status:
approved
Fee:
N/A
Permit Type:
Remodel
Building Type:
N/A
Residential plumbing
2009-06-10
W/h
Valuation:
N/A
Permit #:
2009-653728
Status:
final
Fee:
$74
Permit Type:
N/A
Building Type:
N/A
Repair dry rot @ support posts & beams for deck replace less than 50%
Valuation:
$5,000
Permit #:
200202068602
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments

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