Updated: Dec 31, 2025
Location and Projects
Address
514 Victoria Avenue, Venice, CA, 90291
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Jantzen Christof Architect
Their BuildZoom score of 0 does not rank in the top 50% of California contractors.
If you are thinking of hiring Jantzen Christof, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Jantzen Christof Services
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Jantzen Christof Contact Information
Address: 514 Victoria Avenue, Venice, CA 90291
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Jantzen Christof Venice
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Jantzen Christof, click “This is My Business” to update your information.
Activity
|
4 projects
|
2025 |
|
1 project
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Jantzen Christof has worked on at least
9.0 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
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Jantzen Christof mostly works on
home addition
projects.
Pricing
|
4 projects
|
$5k-$20k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $50,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Addition to existing one story sheet metal shop to two story sheet metal shop on 1st floor with attached garage and office and storage on 2nd floor
Valuation:
$600,000
Permit #:
19014-30000-07193
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Repair of (e) concrete floor non-structural less than 25% of floor area comply with department order effective date 01/12/2023. permit will expire 30 days from issuance date. ceis case number is 975881
Valuation:
$12,500
Permit #:
23016-30000-00156
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan new 2-story with 2 adus per state law adu 1: 910sqft adu 2: 910sqft 1 of 2
Valuation:
$300,000
Permit #:
24010-10000-04018
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to 22014-10000-02556. (2) new skylights in single family dwelling. skylightabove kitchen - 23'-8"x 5'-0. skylight above powder room - 4'-10 x 1'-8. revised structural framing around skylight openings
Valuation:
$7,500
Permit #:
22014-10001-02556
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan covert (e) mezzanine level to adu with roof top deck. detached adu per lamc 12.22 a.33 (c)-(d). fire sprinkelrs 13d through out
Valuation:
$50,000
Permit #:
24016-10000-12555
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan addition to (e) to single family dwelling and major remodel 1 of 2
Valuation:
$135,767
Permit #:
22014-10000-02556
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan convert attached garage (435sqft) to adu (828sqft total) extension per city ordinace 2 of 2
Valuation:
$50,000
Permit #:
24016-10000-31796
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan new detached 4-car garage with mezzanine 2 of 2
Valuation:
$92,617
Permit #:
22010-10000-03294
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
**eplan** attached guestroom conversion to an accessory dwelling unit per lamc 12.22 a.33(c) and (e)
Valuation:
$10,000
Permit #:
23016-10000-09317
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Conversion of portion of existing duplex into an attached adu per lamc 12.22 a.33(c) and (e)
Valuation:
$25,000
Permit #:
20016-30000-32952
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental ref to pcis # 14014-30000-03356 to resubmit for engineering change and extend plan check
Valuation:
N/A
Permit #:
14014-30001-03356
Status:
applied
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replacement 1 story 2 bedroom single family dwelling w/att'd carport. 3/4/08 temp occ
Valuation:
N/A
Permit #:
BLD07-0728
Status:
final
Fee:
$19,636
Permit Type:
N/A
Building Type:
N/A
Addition to (e) two story single family dwelling - garage (500 sf) office (920 sf) & gymnasium (800 sf.)
Valuation:
N/A
Permit #:
07014-10000-08342
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: convert attached 1-car garage with ground floor addition to enlarge existing attached adu
Valuation:
$15,000
Permit #:
25014-10000-05699
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Jantzen Christof License info
License Not Verified
| License # | C29896 |
| Status | Active |
| State | California |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of June, 2013. Check the current license status of Jantzen Christof with the California Contractors State License Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | C29896 |
| Status | Inactive |
| State | California |
| Type | Architect |
- According to the California Architect 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 Jantzen Christof at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Jantzen Christof, click “This is My Business” to update your information.
10
Permits
- Building permit records show that Jantzen Christof has worked on 10 permitted projects.
Jantzen Christof Employees
JC
Jantzen Christof
Owner