Updated: Mar 18, 2026
Location and Projects
Address
19051 CLEMENT DRIVE, Castro Valley, CA, 94552
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Karajen Construction Services
Karajen Construction Services, 19051 Clement Dr, Castro Valley, CA (Owned by: Guy Elmo Wilkinson) holds a General Building license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Karajen Construction Services, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Karajen Construction Services Services
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Karajen Construction Services Contact Information
Phone Number: (510) 333-6226
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Address: 19051 CLEMENT DRIVE, Castro Valley, CA 94552
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Building Permits by Karajen Construction Services
This is a sample of this contractor's permits. Click here to access their complete permit history.
** contractor added elect. & plumbing to permit.** remodel existing bathroom for aging in place. install curbless shower grab bars relocate toilet and sink along with associated plumbing and electrical work. property in fire zone 2
Valuation:
$12,000
Permit #:
B2021-05283
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Garage door alteration - removal of existing center post and addition of a new beam at the garage door opening at the existing single family residence. property in fire zone 2
Valuation:
$7,000
Permit #:
B2020-03757
Status:
final
Fee:
$482
Permit Type:
N/A
Building Type:
N/A
Per housing report #h2019-00891 dated 1-15-2020. item #s 1 2 3 5 & 7. replace entry door sheetrock wall furnace bathroom ceiling & water heater in unit a
Valuation:
$3,000
Permit #:
B2020-00469
Status:
final
Fee:
$550
Permit Type:
N/A
Building Type:
N/A
Replace wall heater and water heater in unit d per housing report #h2019-00567
Valuation:
N/A
Permit #:
B2020-00234
Status:
final
Fee:
$254
Permit Type:
N/A
Building Type:
N/A
Install water heater in unit c per housing report #h2019-00566
Valuation:
N/A
Permit #:
B2020-00235
Status:
final
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen & bathroom at 2209 cedar (1st floor unit); repair & replace finishes at existing front porch & steps; update electrical & plumbing; install new heating system
Valuation:
$88,400
Permit #:
B2020-03296
Status:
final
Fee:
$5,090
Permit Type:
N/A
Building Type:
N/A
Accessible entry toilet facilities and create five light industrial and reconstruction of portion of 2nd floor framing. including addition of two shear walls remove exterior stair and replace suites. minor exterior renovations to windows and door. structural upgrade interior renovations to create
Valuation:
$160,000
Permit #:
0600003038
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-3 (3 wk
Building Type:
N/A
Applicant is to schedule a final inspection once structure has been demolished and all debris has been removed from site. demolish 2-story house. (concrete footings slab and low 3 retaining wall to remain which will be removed during phase 2 new construction) subject to field inspection. architect submitted plans with revised scope of work and additional photos directly to ellie. sent... see more
Valuation:
$24,000
Permit #:
1000001503
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-1 (1 wk
Building Type:
N/A
* ***added plumbing permit.---bt and voluntary seismic upgrade of the applicant re-submitted (2)sets of plans complete exterior interior renovation existing building. 3-6-12-sc1
Valuation:
$270,066
Permit #:
1100005065
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-3 (3 wk
Building Type:
N/A
Commercial contracting applicant is to schedule a final inspection once structure has been demolished and all debris has been removed from site. demolish 2-story house. (concrete footings slab and low 3 retaining wall to remain which will be removed during phase 2 new construction) subject to field inspection. architect submitted plans with revised scope of work and additional photos ... see more
Valuation:
N/A
Permit #:
1000001503
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial contracting applicant is to schedule a final inspection once structure has been demolished and all debris has been removed from site. demolition of existing carport(existing concrete footings low retaining wall and slab to remain which will be removed during phase 2 new construction) subject to field inspection. architect submitted plans with revised scope of work and addit... see more
Valuation:
N/A
Permit #:
1000001523
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial contracting demolition of existing garage * see bp.# 10-1503 demolish of main house and # 10-1523 demolish of existing carport (only piers to remain which will be removed during phase 2 when new construction begins). subject to field inspection. applicant is to schedule a final inspection once structure has been demolished and all debris has been removed from site. architec... see more
Valuation:
N/A
Permit #:
1000001525
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Applicant is to schedule a final inspection once structure has been demolished and all debris has been removed from site. demolition of existing carport(existing concrete footings low retaining wall and slab to remain which will be removed during phase 2 new construction) subject to field inspection. architect submitted plans with revised scope of work and additional photos directly t... see more
Valuation:
$2,000
Permit #:
1000001523
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-1 (1 wk
Building Type:
N/A
Demolition of existing garage * see bp.# 10-1503 demolish of main house and # 10-1523 demolish of existing carport (only piers to remain which will be removed during phase 2 when new construction begins). subject to field inspection. applicant is to schedule a final inspection once structure has been demolished and all debris has been removed from site. architect submitted plans with ... see more
Valuation:
$2,000
Permit #:
1000001525
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-1 (1 wk
Building Type:
N/A
**per planchecker valuation increased **t.i. to install sinks water heater & from $6, 000 to $20, 000**sro walk in cooler. electrical & plumbing
Valuation:
$20,000
Permit #:
1500000288
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-4 (4 wk
Building Type:
N/A
Remodeling accessible entry toilet facilities and create five light industrial and reconstruction of portion of 2nd floor framing. including addition of two shear walls remove exterior stair and replace suites. minor exterior renovations to windows and door. structural upgrade interior renovations to create
Valuation:
N/A
Permit #:
0600003038
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit value $270k message contractor * ***added plumbing permit.---bt and voluntary seismic upgrade of the applicant re-submitted (2)sets of plans complete exterior interior renovation existing building. 3-6-12-sc1
Valuation:
N/A
Permit #:
1100005065
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement for one tenant to occupy both floors: suties 101 102 103 on first floor and suties 201 202 and 203 on second floor. per jeff increased valuation to $441, 205 11/28/07 km1
Valuation:
$441,205
Permit #:
0700004302
Status:
ISSUED
Fee:
N/A
Permit Type:
Bp-3 (3 wk
Building Type:
N/A
Remove wood burning fireplace & chimney. install direct vent gas fireplace insert. fire zone 2 property
Valuation:
$5,000
Permit #:
B2020-03922
Status:
issued
Fee:
$654
Permit Type:
N/A
Building Type:
N/A
Conversion of unfinished floor space to two bedrooms and one bathroom. structure will remain within existing foot print. +++ excludes electrical plumbing mechanical +++
Valuation:
$87,000
Permit #:
BLD2004-02558
Status:
final
Fee:
$3,679
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Karajen Construction Services License info
Verified License
| License # | 676791 |
| 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 Karajen Construction Services at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
35
Permits
- Building permit records show that Karajen Construction Services has worked on 35 permitted projects.
Karajen Construction Services Employees
GW
Guy Elmo Wilkinson
Owner