Updated: May 09, 2026
Location and Projects
Address
1435 BONNELL DRIVE, Topanga, CA, 90290
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Conrad Construction
Conrad Construction, 1435 Bonnell Dr, Topanga, CA (Owned by: Karl Conrad) holds a General Building license and 4 other licenses 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 Conrad Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Conrad Construction Services
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Conrad Construction Contact Information
Phone Number: (916) 439-3199
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Address: 1435 BONNELL DRIVE, Topanga, CA 90290
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This is a sample of this contractor's permits. Click here to access their complete permit history.
13-008779-- install a support post in 2nd floor re
Valuation:
$4,437
Permit #:
COM-1312875
Status:
Applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Minor repairs - install a support post in 2nd floo
Valuation:
$750
Permit #:
COM-1310026
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing water service with new. carbon monoxide & smoke alarms required. reference 2010 crc sections r315 & r314
Valuation:
$1,100
Permit #:
RES-1400529
Status:
final
Fee:
$86
Permit Type:
N/A
Building Type:
N/A
Housing case 13-008779-- addition of laundry room and bathroom 95sf 1st floor and 95sf 2nd floor (legalize exisiting conditions) work includes a new foundation and slab for the complete house new water heater closet install approved gas valve ventilation and t & p line to exterior and seismic straping. resolve needed repairs to existing bathroom above. comply with rhip violation list.... see more
Valuation:
$40,995
Permit #:
RES-1400034
Status:
expired
Fee:
$1,574
Permit Type:
N/A
Building Type:
N/A
Replace receptacles gas connector and shut off support conductors under house install sir gap fix ks trap and underfloor drain dryer duct install t&p valve terminate w.heater vent properly case# 13-008779 permit for duplex only
Valuation:
$1,200
Permit #:
RES-1309621
Status:
final
Fee:
$597
Permit Type:
N/A
Building Type:
N/A
B-bld salt: single family dwelling - addition/remodel
1997-05-30
Addition to sfd/decks/new foundation/remodel
Valuation:
$60,395
Permit #:
B-136067
Status:
FINALED
Fee:
$1,069
Permit Type:
N/A
Building Type:
N/A
240 living room addition new 285 deck and 300 storage building
Valuation:
N/A
Permit #:
BLD03-4785
Status:
final
Fee:
$1,419
Permit Type:
N/A
Building Type:
N/A
Canopy (alta sierra towing)
Valuation:
$68,670
Permit #:
2002-0043
Status:
ISSUED
Fee:
N/A
Permit Type:
Legacy permit
Building Type:
N/A
Convert existing garage into living space
Valuation:
N/A
Permit #:
BLD02-2259
Status:
final
Fee:
$958
Permit Type:
N/A
Building Type:
N/A
Installation of 36 160w photovoltaic panels
Valuation:
$13,000
Permit #:
B04-3702
Status:
final
Fee:
$410
Permit Type:
N/A
Building Type:
N/A
B-bld misc: miscellaneous building not res/com
2001-03-06
Detached garage/storage
Valuation:
$32,899
Permit #:
BLD00-1968
Status:
FINALED
Fee:
$1,204
Permit Type:
N/A
Building Type:
N/A
New detached garage 308 sq ft
Valuation:
N/A
Permit #:
BLD02-2258
Status:
final
Fee:
$766
Permit Type:
N/A
Building Type:
N/A
Building/project/master application/master application
1995-08-17
Ren 1/11/93/0817/94
Valuation:
$3,000
Permit #:
93000-00000-00066
Status:
N/A
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Building/project/master application/master application
1993-12-17
Termite repairs
Valuation:
$6,000
Permit #:
93000-00000-03781
Status:
N/A
Fee:
$93
Permit Type:
N/A
Building Type:
N/A
Building/project/master application/master application
1993-12-17
Termite repairs
Valuation:
$500
Permit #:
93000-00000-03780
Status:
N/A
Fee:
$21
Permit Type:
N/A
Building Type:
N/A
Building/project/master application/master application
1992-05-29
Repl. shower
Valuation:
$2,900
Permit #:
92000-00000-01421
Status:
N/A
Fee:
$66
Permit Type:
N/A
Building Type:
N/A
Building/project/master application/master application
1994-08-18
Rn 01/11/93
Valuation:
$1,000
Permit #:
93000-00000-00062
Status:
N/A
Fee:
$32
Permit Type:
N/A
Building Type:
N/A
Reroof - tear off resheet install 28 sq 40 yr dim lam comparable. 2 story
Valuation:
$14,000
Permit #:
0319317
Status:
final
Fee:
$189
Permit Type:
N/A
Building Type:
N/A
Rear patio addition 16 x 18
Valuation:
$4,061
Permit #:
0509890
Status:
final
Fee:
$294
Permit Type:
N/A
Building Type:
N/A
1 attached sign to exterior face of building
Valuation:
$1,200
Permit #:
SIG-1105312
Status:
expired
Fee:
$287
Permit Type:
N/A
Building Type:
N/A
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Conrad Construction Reviews
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Verified License
BuildZoom confirmed this contractor's license
Conrad Construction License info
Verified License
| License # | 681973 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Conrad Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 779174 |
| Status | Inactive |
| State | California |
| Type | General Building, Drywall |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 Conrad Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 743655 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 Conrad Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 417918 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 Conrad Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 748386 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, 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 Conrad Construction 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
16
Permits
- Building permit records show that Conrad Construction has worked on 16 permitted projects.
Conrad Construction Employees
CC
Charles James Conrad
Sole Owner
KC
Karl Conrad
Sole Owner
KC
Karl Conrad
Owner
MC
Mark Alan Conrad
Owner
NR
Nathan Rafael Rice
Rmo / Ceo / Pres
PM
Patrick Conrad Mullin
Sole Owner