Updated: Mar 18, 2026
Location and Projects
Address
3573 Dormer Ave, Concord, CA, 94519
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Cornerstone General Construction
Specialized in New Construction, ADU's, partial remodel, major remodels, additions and home repairs.
From BuildZoom: Cornerstone General Construction, 3573 Dormer Ave, Concord, CA (Employees: Eliseo Hernandez and Francisco Xavier Hernandez) holds a General Building license according to the California license board.
Their BuildZoom score of 105 ranks in the top 8% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cornerstone General Construction, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Cornerstone General Construction Services
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Cornerstone General Construction Contact Information
Phone Number: (925) 759-0904
Address: 3573 Dormer Ave, Concord, CA 94519
Cornerstone General Construction Concord
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cornerstone General Construction has a BuildZoom score of 105, which places them above 92% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
1 project
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Cornerstone General Construction has worked on at least
6.0 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
|
4 projects
|
Multi-room remodels |
|
3 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Cornerstone General Construction mostly works on
multi-room remodel
and kitchen remodel
projects.
Pricing
|
3 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $17,300. 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.
Building Permits by Cornerstone General Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Interior remodeling of the main unit: - to update the kitchen; - convert the flat ceiling into vaulted ceiling over the common area; - reconfigure the master bathroom; - convert 24 s.f. of the existing garage space into closet space for the main unit kitchen
Valuation:
$90,000
Permit #:
BLD2022-03691
Status:
complete
Fee:
$3,339
Permit Type:
Alteration
Building Type:
N/A
New attached adu: 2 bedrooms 1 bathroom. total 929 sqft. main residence remodel permit bld2022-03691
Valuation:
$170,000
Permit #:
BLD2022-02412
Status:
complete
Fee:
$7,304
Permit Type:
N/A
Building Type:
N/A
A single family residence master bathroom remodel like for like.38 sf
Valuation:
$17,300
Permit #:
BLD2025-02545
Status:
issued
Fee:
$510
Permit Type:
Alteration
Building Type:
N/A
Kitchen and master bathroom remodel to include new cabinets fixtures lighitng int. wall relocation 4/02/2019 revision - change coat closet in hall to utility closet for new subpanel. lma
Valuation:
N/A
Permit #:
BIAL19-000189
Status:
final
Fee:
$3,169
Permit Type:
N/A
Building Type:
N/A
Uy residence: remove and replace roof like for like
Valuation:
$15,000
Permit #:
B-RR23-0011
Status:
final
Fee:
$715
Permit Type:
Single family and...
Building Type:
N/A
Hall bathroom remodel; new countertop replace toilet tub removing one sink adding 2 new sinks new electrical remove closet wall to extend counter and adding new pony wall
Valuation:
N/A
Permit #:
BIAL19-008351
Status:
final
Fee:
$836
Permit Type:
N/A
Building Type:
N/A
Building new construction additions alterations or sign
2020-01-19
Kitchen & bathroom remodel new laundry and electrical distribution
Valuation:
$45,000
Permit #:
B191755
Status:
final
Fee:
$3,315
Permit Type:
Alteration
Building Type:
N/A
Building new construction additions alterations or sign
2019-03-18
Kitchen and 1/2 bathroom remodel; new 1/2 bathroom
Valuation:
$118,200
Permit #:
B181708
Status:
final
Fee:
$5,852
Permit Type:
Alteration
Building Type:
N/A
Revision to b181708; addition to scope of work - remodel shower; valve walls floor & tile (+ $7 200)
Valuation:
$7,200
Permit #:
R19045
Status:
triage
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$15,000
Permit #:
21-12074/000 000 RALT 00
Status:
issued
Fee:
$214
Permit Type:
Residence add/alt
Building Type:
R-2
Tenant improvement: install walls ceiling display area finishes (876 sq ft) tazza cafe
Valuation:
$11,500
Permit #:
BLDG-2017-00557
Status:
final
Fee:
$1,365
Permit Type:
N/A
Building Type:
N/A
Building new construction additions alterations or sign
2019-12-02
Kitchen & bathroom remodel
Valuation:
$60,000
Permit #:
B191191
Status:
final
Fee:
$4,008
Permit Type:
Alteration
Building Type:
N/A
No Description Available
Valuation:
$10,000
Permit #:
20-13933/000 000 RADD 00
Status:
complete
Fee:
$210
Permit Type:
Residence add/alt
Building Type:
R-1
Over the counter plumbing electrical or mechanical
2020-03-06
Electrical ceiling fans
Valuation:
$450
Permit #:
M200322
Status:
final
Fee:
$438
Permit Type:
N/A
Building Type:
N/A
Building new construction additions alterations or sign
2018-07-16
Kitchen and bathroom remodel
Valuation:
$55,000
Permit #:
B180420
Status:
final
Fee:
$3,609
Permit Type:
Alteration
Building Type:
N/A
Building new construction additions alterations or sign
2019-01-31
Vanity/sink replacement
Valuation:
$2,700
Permit #:
B181295
Status:
final
Fee:
$260
Permit Type:
Alteration
Building Type:
N/A
Building new construction additions alterations or sign
2018-01-16
Kitchen & bathroom remodel
Valuation:
$45,000
Permit #:
B171668
Status:
final
Fee:
$3,109
Permit Type:
Alteration
Building Type:
N/A
Building new construction additions alterations or sign
2018-03-12
Kitchen remodel plumbing and electrical
Valuation:
$1,200
Permit #:
B180361
Status:
final
Fee:
$456
Permit Type:
Alteration
Building Type:
N/A
Building new construction additions alterations or sign
2018-11-28
Kitchen counter top sink
Valuation:
$5,000
Permit #:
B181877
Status:
final
Fee:
$416
Permit Type:
Alteration
Building Type:
N/A
Building new construction additions alterations or sign
2018-11-26
Electrical carpenter
Valuation:
$10,900
Permit #:
B181293
Status:
final
Fee:
$539
Permit Type:
Alteration
Building Type:
N/A
Cornerstone General Construction Reviews
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Cornerstone General Construction License info
Verified License
| License # | 864572 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Cornerstone General Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
52
Permits
- Building permit records show that Cornerstone General Construction has worked on 52 permitted projects.
Cornerstone General Construction Employees
EH
Eliseo Hernandez
Salesman
FH
Francisco Xavier Hernandez
Sole Owner