Updated: Dec 09, 2025
Location and Projects
Address
220 MONGOMERY ST #200, San Francisco, CA, 94104
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Zelazek Michael Jansen Architect
Their BuildZoom score of 99 ranks in the top 15% of 336,931 California licensed contractors.
If you are thinking of hiring Zelazek Michael Jansen, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Zelazek Michael Jansen Services
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Zelazek Michael Jansen Contact Information
Address: 220 MONGOMERY ST #200, San Francisco, CA 94104
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Zelazek Michael Jansen San Francisco
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Zelazek Michael Jansen has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
6 projects
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Zelazek Michael Jansen has worked on at least
8.0 projects over the past 2 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
|
6 projects
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that Zelazek Michael Jansen mostly works on
commercial renovation
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
4 projects
|
$500k-$1mil |
|
2 projects
|
$1mil+ |
The typical size of their permits is approximately $289,800. 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 Zelazek Michael Jansen
This is a sample of this contractor's permits. Click here to access their complete permit history.
1/fl- alteration of interior buidling tenant amenities in vacant tenant spaces. new conferance center and change of use to a fitness center with (n) fitness equipment and associated all gender showers
Valuation:
$949,000
Permit #:
202503172387
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
38 - health studi...
Interior tenant improvement on the 19th fl of approx 8000 sq ft. mechanical ele plumbing and structural included
Valuation:
$925,000
Permit #:
202503172361
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Level 1 2 3: new partition construction for mechanical shaffs & partial demolish of e) floors. new mechanical equipment ductwork at roof
Valuation:
$450,000
Permit #:
202509024370
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
26/:f selective demolition of existing interior partitions light fixtures and mep. new construction of non structural partitions mep and kitchen equipment for a employee only coffee bar
Valuation:
$1,250,000
Permit #:
202401164007
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
2nd fl - interior renovation of l2 elevator and outdoor terrace lobby space. replacement of 1 bay of glazing and entrance doors
Valuation:
$180,000
Permit #:
202503242866
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Interior tenant improvement of ground fl existing office space. mechanical deferred
Valuation:
$450,000
Permit #:
202509165427
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Revision to pa# 202308144312. addition restrooms and enlarge conf 313 and 314. change doors and phone 327 328
Valuation:
$75,000
Permit #:
202308295523
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Rev to pa# 2023-0814-4326: to addition drinking fountain to scope of work ceiling and lighting near room 221. ref arch pa# 2023-0814-4326
Valuation:
$15,000
Permit #:
202308315665
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Rev to pa# 202308144301; to replace sinks @ restrooms and drinking fountain to scope of work
Valuation:
$75,000
Permit #:
202308315668
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Rev to pa# 2023-0814-4314; addition restrooms to scope of work
Valuation:
$75,000
Permit #:
202308315670
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
26th fl - revision to pa 2024-0116-4007 to replace existing elevator lobby doors in-kind
Valuation:
$5,000
Permit #:
202404159980
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Install swimming pool, equipment; install (3) gas light fire bowls w/gas lines, (1) fire pit w/gas line, (1) future bbq gas line
Valuation:
$35,000
Permit #:
11-0577
Status:
Finaled
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
5/fl-(n) interior tenant improvement to include mechanical and electrical. structrual for movable wall. includes mep work
Valuation:
$3,927,000
Permit #:
202512091312
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
6th fl - new construction mechanical & electrical & structural header for movable walls; power lighting & signal; install new 37 cooling units 1 new wshp new duct
Valuation:
$6,158,186
Permit #:
202512091310
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Demolish of existing partitions ceilings and associated mep & finishes on 5th and 6th floor
Valuation:
$289,800
Permit #:
202510248119
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
L 1 suite 140: tenant improvement. : demolish of existing and install of new partitions millwork equipment and finishes. no exterior or structural work
Valuation:
$750,000
Permit #:
202511190012
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
19th floor:revision to pa #202503172361 to revise phone room 1935 pantry 1976 and conference 1911 and 1910 doors. misc. revisions throughout 19th floor
Valuation:
$10,000
Permit #:
202509034459
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
1st & 2nd floors: interior tenant improvement including demolish of prior tenant interiors new partitions doors ceilings millwork equipment finishes and mep
Valuation:
$810,524
Permit #:
202507221337
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
31 - lending inst...
2nd & 3rd floor - partial demolish of existing non structural partitions for pass through; brick wall to receive partial demolish and new concrete portal reinforcement assembly for new openings
Valuation:
$120,000
Permit #:
202507181111
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Partial ground floor only - ab-017 applies; demolish of existing non structural paritions millwork associated mep and finishes. no ceiling demolish to occur until deferred sprinkler permit to upturn heads has been issued
Valuation:
$48,300
Permit #:
202507110652
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
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Zelazek Michael Jansen Reviews
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Recent Buildzoom Projects
Zelazek Michael Jansen License info
License Not Verified
| License # | C34048 |
| Status | Active |
| State | California |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Zelazek Michael Jansen with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
9
Permits
- Building permit records show that Zelazek Michael Jansen has worked on 9 permitted projects.
Zelazek Michael Jansen Employees
ZJ
Zelazek Michael Jansen
Owner