Updated: May 29, 2026
Location and Projects
Address
7613 CRESTMONT AVENUE, Newark, CA, 94560
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Korfhage Construction
Serving Newark, CA and the surrounding area, Korfhage Construction brings over three decades of experience in the construction industry. The company has been active for 32 years, providing construction services for residential and commercial clients. Project types include general building, remodeling, and renovations, with experience handling a range of property types throughout the region. Korfhage Construction manages all phases of the project process, from planning and permitting through to construction and completion. The company’s long-standing presence in Newark reflects a consistent focus on local building needs and adherence to regional building codes and standards. With extensive experience in the area, Korfhage Construction is equipped to support clients through a variety of upgrade, expansion, or repair projects for both homes and businesses.
Korfhage Construction Services
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Korfhage Construction Contact Information
Phone Number: (650) 454-6239
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Address: 7613 CRESTMONT AVENUE, Newark, CA 94560
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Korfhage Construction Newark
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Korfhage Construction has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.
Activity
|
1 project
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Korfhage Construction has worked on at least
3.0 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.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$50k-$100k |
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 Korfhage Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remove and replace existing 200 amp service/panel and replace with new one for distribution
Valuation:
$3,500
Permit #:
LPC2023-00532
Status:
final
Fee:
$153
Permit Type:
Single family res...
Building Type:
N/A
Additiona/remodel. 255 sf addition (kitchen and yoga room) and 84 sf converting unconditioned to conditioned moving laundry room to new location. removing water heater and installing new tankless water heater to outdoor location. new covered outdoor patio (289sf) resubmittal #1 - ssp - 12/4/17 - submitting 3 full sets for building and planning comments resubmittal #2 - wcm - 2/5/18 - ... see more
Valuation:
N/A
Permit #:
BLD2017-02048
Status:
final
Fee:
$17,798
Permit Type:
N/A
Building Type:
N/A
All unconditioned cabana. ada bathroom(not applicable per mhh) storage room open kitchen and sitting area. landscaping and deck resubmittal #1 - ssp - 12/4/17- submitting 3 full sets for building and planning comments resubmittal #2 - wcm - 2/5/18 - response to pln comments. 3 copies of sheets l-1.0 to l-5.2
Valuation:
N/A
Permit #:
BLD2017-02049
Status:
final
Fee:
$1,078
Permit Type:
N/A
Building Type:
N/A
Residential kitchen remodel within (e) footprint (120 sf). replace sliding glass door in the same opening in the dining room. ***05/24/2018 electric service upgrade to 200 amps in the same location ar***
Valuation:
$24,000
Permit #:
18000-01075
Status:
final
Fee:
$631
Permit Type:
N/A
Building Type:
N/A
# scanned # demolition plan in preparation for bld2017-02048. interior walls per demolish plan (a20) and removal of interior/exterior wall finishes. removal of all existing doors and windows. removal of all appliances cabinetry plumbing fixtures. removal of electrical and gas meters. removal of hardwood floors
Valuation:
N/A
Permit #:
BLD2018-00795
Status:
final
Fee:
$510
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to the bathroom and install washer/dryer in an existing storage room
Valuation:
$30,000
Permit #:
BLD2020-00790
Status:
complete
Fee:
$1,029
Permit Type:
Alteration
Building Type:
N/A
Removal and replacement of an existing french door one existing window and enlargement of landing
Valuation:
$38,000
Permit #:
BLD2019-01594
Status:
complete
Fee:
$489
Permit Type:
Alteration
Building Type:
N/A
# scanned # remodel (e) laundry room and addition (n) powder room. no new sq. ft. or (n) conditioned space revision #1 fak 8/14/18- relocated sink changing toilet type
Valuation:
N/A
Permit #:
BLD2018-01256
Status:
final
Fee:
$992
Permit Type:
N/A
Building Type:
N/A
Residential bathroom remodel. remove tub and replace with a shower update electrical in bathroom
Valuation:
$15,000
Permit #:
19000-03260
Status:
final
Fee:
$581
Permit Type:
N/A
Building Type:
N/A
# scanned # two bathrms remodel demolish of existing chase to enlarge guest bathroom
Valuation:
N/A
Permit #:
BLD2018-00843
Status:
final
Fee:
$2,681
Permit Type:
N/A
Building Type:
N/A
Master bathroom remodel
Valuation:
N/A
Permit #:
BLD21-01701
Status:
final
Fee:
$1,152
Permit Type:
Interior
Building Type:
N/A
Residential bathroom remodel
Valuation:
$46,000
Permit #:
BLD2021-02338
Status:
complete
Fee:
$515
Permit Type:
Alteration
Building Type:
N/A
Residential kitchen/bath remodel (400 sf) all other remodel (454 sf) garage remodel (636 sf) and reroof o (n) sheathing. scope includes relocation of (e) electrical meter and upgrade from 100 to 200amp. (02.11.14 removed (n) deck from scope jc)
Valuation:
$115,673
Permit #:
13000-03086
Status:
final
Fee:
$5,066
Permit Type:
N/A
Building Type:
N/A
Residential bathroom remodel. removing (e) bathroom and replacing with shower. remove (e) toilet and replace with new in same location. remove (e) window and replace with new in same location. new electrical and plumbing (77 sf)
Valuation:
$10,000
Permit #:
17000-00102
Status:
final
Fee:
$792
Permit Type:
N/A
Building Type:
N/A
Interior remodel: master suite remodel hall bathroom remodel adding skylights to both baths turning existing garage alcove into conditioned mud/laundry room 99 sq ft new appliances only in kitchen updating lighting thruout house and installing flourescent lights in garage. update electric to 200 amp closing off window in hall bathroom and adding one. replace windows in all bedrooms (r... see more
Valuation:
N/A
Permit #:
BLD2014-00647
Status:
final
Fee:
$6,150
Permit Type:
N/A
Building Type:
N/A
Bathroom remodel approx 42 sq ft
Valuation:
$38,000
Permit #:
BLD2022-01351
Status:
complete
Fee:
$514
Permit Type:
Alteration
Building Type:
N/A
Residential kitchen and bathroom remodel (250 sf) within the (e) areas. at the entry bathroom scope of work is to replace tile floor. scope of work for the first floor powder room includes all new fixtures and floor tile. kitchen remodel includes new counter and cabinets update (e) electrical to meet code. no new appliances. replace exterior back door within the (e) opening
Valuation:
$30,300
Permit #:
13000-01654
Status:
issued
Fee:
$1,096
Permit Type:
N/A
Building Type:
N/A
13000-01056: replace two 9-foot wide french doors (library and master bedroom) and replace them with smaller windows within the existing opening. remove wood deck infill a window in the garage and convert a second window in the garage into a man door width of opening does not increase
Valuation:
N/A
Permit #:
13REV-00417
Status:
issued
Fee:
$92
Permit Type:
N/A
Building Type:
N/A
Service upgrade 100-200amp move 4’ to left due to gas meter torque test needed at time of inspection. permit only includes service upgrade. no additional wiring or loads included in the scope
Valuation:
$5,500
Permit #:
LPC2022-00911
Status:
complete
Fee:
$196
Permit Type:
Single family res...
Building Type:
N/A
Single story addition (40 sf) and remodel (1300 sf). scope of work includes a tankless water heater. scope of work includes conversion of two car garage into a one car garage
Valuation:
$141,046
Permit #:
14000-02441
Status:
final
Fee:
$5,910
Permit Type:
N/A
Building Type:
N/A
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Korfhage Construction License info
Verified License
| License # | 809293 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Korfhage Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
62
Permits
- Building permit records show that Korfhage Construction has worked on 62 permitted projects.
Korfhage Construction Employees
MK
Mark Delisle Korfhage
Owner