Updated: Jul 07, 2026
Location and Projects
Address
1018 VIA MADRID, Livermore, CA, 94550
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Yelcon Development Construction
Yelcon Development has served homeowners in Livermore, California, and surrounding communities since 1986. Led by owner and contractor David Quinonez, the company specializes in residential remodeling projects, including home renovations, interior reconfigurations, and space additions. Designer Joe Yelavich brings design expertise to the team, working closely with clients on both simple upgrades and extensive home transformations. With over three decades of experience, Yelcon Development manages projects of varying size and complexity, guiding clients through each phase of the remodel. The company’s portfolio ranges from modest improvements to comprehensive remodels, reflecting a capacity to adapt to the unique needs of each property. Yelcon Development operates from its office on Via Madrid in Livermore and continues to offer remodeling services across the East Bay area.
Yelcon Development Services
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Yelcon Development Contact Information
Phone Number: (925) 580-9943
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Address: 1018 VIA MADRID, Livermore, CA 94550
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Yelcon Development Livermore
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Yelcon Development has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Yelcon Development has worked on at least
4.0 projects 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.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
3 projects
|
$20k-$50k |
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remodel master bathroom/master closet w/pem
Valuation:
$45,000
Permit #:
B24-017787
Status:
final
Fee:
$1,602
Permit Type:
N/A
Building Type:
N/A
Remodel hall bathroom w/pem
Valuation:
$20,000
Permit #:
B25-018458
Status:
issued
Fee:
$581
Permit Type:
N/A
Building Type:
N/A
Addition of approx 168-square-foot single-story addition at the left rear of the house extending the existing family room. kitchen remodel non structural remove and replace appliances like for like existing lighting to led all receptacles gfci
Valuation:
$178,000
Permit #:
B18-1897
Status:
final
Fee:
$4,810
Permit Type:
N/A
Building Type:
N/A
Kitchen and hall bathroom remodel: remove and replace cabinets countertop plumbing fixtures lighting electrical appliances flooring relocate stove and peninsula to island. also replace kitchen window and dining patio door
Valuation:
$45,000
Permit #:
BLDG-2018-00477
Status:
final
Fee:
$1,228
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel w pem
Valuation:
$30,000
Permit #:
B21-015825
Status:
final
Fee:
$1,285
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel (same layout) w/electrical upgrades including led lights. replace 125amp subpanel
Valuation:
$35,000
Permit #:
B19-0634
Status:
final
Fee:
$448
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen w/pem
Valuation:
$40,000
Permit #:
B23-017505
Status:
final
Fee:
$805
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen w/pem
Valuation:
$35,000
Permit #:
B19-013487
Status:
final
Fee:
$869
Permit Type:
N/A
Building Type:
N/A
Kitchen: remove and replace addition new sink addition new 14 led lights all gfci. single story master bath: remove & replace tub with tile in shower addition 7 new led lights dedicated 20amp circuit all gfci. hall bath: remove and replace addition dedicated 20amp circuit 4 led lights
Valuation:
$50,000
Permit #:
B17-0620
Status:
final
Fee:
$1,017
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel-replace cabinets counters hood ducting and appliances as shown on plans. frame new pony wall at bar. install new gfci receptacles and led lighting. install new dedicated gas line to cooktop and new fireplace insert
Valuation:
$35,000
Permit #:
D180018
Status:
final
Fee:
$1,089
Permit Type:
Add/alter single ...
Building Type:
N/A
Remodel kitchen removing non-bearing walls at pantry relocate furnace and water heater from kitchen to garage extend raised floor in nook area three feet install new air conditioning unit minor remodel to down stair 1/2 bathroom upgrade gas system for new appliances
Valuation:
N/A
Permit #:
BLDG-2014-01598
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel - remove and replace cabinets countertops appliances and kitchen hood. replace garden window w/same size standard. window. install dedicated gas line for range. install recessed led lighting dedicate circuitry. replace (e) subpanel - same amperage
Valuation:
$40,000
Permit #:
D191621
Status:
final
Fee:
$908
Permit Type:
Add/alter single ...
Building Type:
N/A
Bathroom remodeling remodel kitchen removing non-bearing walls at pantry relocate furnace and water heater from kitchen to garage extend raised floor in nook area three feet install new air conditioning unit minor remodel to down stair 1/2 bathroom upgrade gas system for new appliances
Valuation:
N/A
Permit #:
BLDG-2014-01598
Status:
FINAL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Complete remodel to kitchen hall bathroom. & master bathroom. replace 5 windows under same header. change window in mstrbd into patio door under same header. addition cans lights thu-out 2 house fan. replace sub-panel. addition tublar skylights. remove/replace furnace air conditioning. whole house fan copper repipe & water heater. replace water service
Valuation:
$39,052
Permit #:
2011 033698 RS
Status:
final
Fee:
N/A
Permit Type:
Single family
Building Type:
N/A
Remodel kitchen; remove bearing walls/install beams; replace french doors/windows; install gas line to cooktop indoor fireplace and stub out for future outdoor fireplace
Valuation:
$67,000
Permit #:
B14-0483
Status:
final
Fee:
$1,875
Permit Type:
N/A
Building Type:
N/A
Master bathroom remodel - replace tub and shower cabinets vanity and fixtures - same locations. addition recessed led lighting
Valuation:
$20,000
Permit #:
D210539
Status:
final
Fee:
$570
Permit Type:
Add/alter single ...
Building Type:
N/A
Master bathroom remodel (same layout) and replace 2 windows like for like
Valuation:
$30,000
Permit #:
B16-1276
Status:
final
Fee:
$289
Permit Type:
N/A
Building Type:
N/A
2 new windows in mast. bedroom. new bay window in spare bedroom replace window in new office and new m/b closet & bathroom. mast.bathroom new shower pan walls valve sink flourescent fan 2 cam lights above shower. 1 outdoor light 1 gfi outlet outside 8 cam lights and 22 outlets/switches located within the spare bedroom new study master bedroom mb closet. remove wall between m/b and bed... see more
Valuation:
$15,000
Permit #:
D020382
Status:
final
Fee:
$307
Permit Type:
Asfr
Building Type:
N/A
Master bathroom remodel: remove and replace shower toilet tub vanity sink valve new led lighting new fan with humidistat all in same location
Valuation:
$15,000
Permit #:
D180673
Status:
final
Fee:
$544
Permit Type:
Add/alter single ...
Building Type:
N/A
Interior remodell- kitch-new sink faucet r/r cooktop and dishwasher r&r outlets 5 recessed lights in dining room ceiling fan in mstr bed & family rom light in cab in family room mstr bath- new valve in shower remove tile install new green board owner to tile
Valuation:
$5,000
Permit #:
D021766
Status:
final
Fee:
$179
Permit Type:
N/A
Building Type:
N/A
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Yelcon Development License info
Verified License
| License # | NAT-117789-3 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Yelcon Development at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 803519 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Yelcon Development at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-117789-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- According to the United States Environmental Protection Agency, 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 Yelcon Development at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
31
Permits
- Building permit records show that Yelcon Development has worked on 31 permitted projects.
Yelcon Development Employees
JY
Joseph Albert Yelavich
Sole Owner