Updated: Oct 20, 2025
Location and Projects
Address
490 POST STREET #1543, San Francisco, CA, 94102
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Kwan Simon Architect
Their BuildZoom score of 106 ranks in the top 7% of 336,931 California licensed contractors.
If you are thinking of hiring Kwan Simon, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Kwan Simon Services
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Kwan Simon Contact Information
Address: 490 POST STREET #1543, San Francisco, CA 94102
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Kwan Simon San Francisco
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Kwan Simon has a BuildZoom score of 106, which places them above 93% of 336,931 contractors in California.
Activity
|
12 projects
|
2025 |
|
14 projects
|
2024 |
|
9 projects
|
2023 |
Our building permit records indicate that Kwan Simon has worked on at least
35.0 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
|
9 projects
|
Commercial Renovations |
|
5 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Kwan Simon mostly works on
commercial renovation
and home addition
projects.
Pricing
|
5 projects
|
< $5k |
|
8 projects
|
$5k-$20k |
|
5 projects
|
$50k-$100k |
|
6 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
3 projects
|
$1mil+ |
The typical size of their permits is approximately $50,710. 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.
Revision to pa# 202405242971 & 202412106484: remodel 5 bathrooms on 3/f; change 5 windows for egress; provide rated walls as shown; show reinforced floor joists and reduce beam span with new walsl and posts; replace wall heaters to furnace and tank to tankless water heaters; new drywall throughout
Valuation:
$250,000
Permit #:
202509034435
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
1st fl: convert storage area into a bedroom bathroom and laundry. provide outdoor grill and sink. replace furnace and water heater. 2nd fl: rebuild stair. provide new ceiling beams and new deck at the back. replace front and back cladding to stucco
Valuation:
$145,000
Permit #:
202501108081
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Reconfigure interior from 4 bedroom 4.5 bathroom to 4 bedroom 5.5 bathroom. remodel kitchen and all baths. new interior finishes casework flooing plumbing fixures and light fixtures. (no extension. changes. existing heating and hot water system to remain)
Valuation:
$439,188
Permit #:
202306079479
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Convert portion of garage to home office & bedroom reconfigure 3-bedrooms/2-bath to 4/bedroom/3.5-bath remodel kitchen new interior stair replace iwndows provide heat pump water heater ductless multi-split heating/cooling upgrade electrical panel 200amp
Valuation:
$411,750
Permit #:
202309227200
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Revision 201708235690- remove non bearing walls to combine small bedrooms in to larger bedrooms and remove 2.5 bathrooms at mezzanine and 2nd floor
Valuation:
$250,000
Permit #:
202412136796
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Convert existing daycare from occupancy e to i-4 to care for children under 3 years old. convert one kids restroom to an adult restroom. provide additional ventilation and per health code article 38
Valuation:
$50,000
Permit #:
202502100017
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
36 - day care center
Interior renovation with horizontal and vertical addition. 2 new additional bedrooms & 3.5 new additional bathrooms
Valuation:
$1,428,000
Permit #:
201707313324
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Technical infeasibility or unreasonable hardship per ordinance 51-16 accessible business entrance program per ordinace 51-16 to comply with the accessible business entrance program abe 201906285933 request for technical infeasibility other compliance works includes install ring bell for assistance
Valuation:
$100
Permit #:
202312293244
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Legalize 2nd fl un-permitted rear bathroom addition in connection w adu pa #202212168535. in response to dbi comment for a ground fl adu permit. a 75 sqft 2nd fl rear bathroom appears to be constructed between 2004-2007 & w/o permit records. this is a hybrid proj w needed adu
Valuation:
$51,419
Permit #:
202302021225
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Demolish plaster & drywall to studs. remove cabinetry & fireplace as required. addition 91 can lights. upgrade electrical in kitchen & baths. new drywall throughout. new molding/base/case/crown. new cabinetry & custom closets. new bathroom fixtures tile & hardwood
Valuation:
$600,000
Permit #:
202103176698
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Upper unit. kitchen and bathroom remodel. reconfigure bedrooms addition dormers. replace all existing windows & addition 2 windows at the front with aluminum clad wood windows
Valuation:
$300,000
Permit #:
201906173589
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Tenant improvement for day care. adult restrooms child restrooms coffee counter (n) lighting & hvac
Valuation:
$300,000
Permit #:
202011098489
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
88 - day care hom...
To comply with accessible business entrance program per ord 51-16. ref abe 201812313644. provide automatic gate opener change hardware. provide a lift to the lobby & new entry door
Valuation:
$124,000
Permit #:
202302242582
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Vertical & horizontal addition at the back and reconfigure interior to 3 bedrooms and 3 baths
Valuation:
N/A
Permit #:
202505307615
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
-
Erect (4) stories (1) basement type v-b single family residence
Valuation:
$1,650,000
Permit #:
201802141219
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Legalization of 2nd floor unit per ordinance# 43-14. legalize kitchen upgrade lighting & switches provide hydronic heating. provide separate meters for gas electrical and water
Valuation:
$70,000
Permit #:
201605278561
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Convert gr fl storage to guestroom and bathroom. remodel gr fl media room with counter sink and 2 heating elements. no oven
Valuation:
$150,000
Permit #:
202306301269
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
(n) bay wind0w at second level only. addition of 15 habitable square feet. no mechanical or plumbing scope. no work in the public right of way
Valuation:
$20,000
Permit #:
202401123926
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Kitchen remodel. relocate 1 bathroom at 2nd fl. re-configure bedrooms and addition full master bathroom. replace 2 front windows & 3 rear windows and water heater. addition drywall at ground fl. remove rear patio & construction new rear stair
Valuation:
$150,000
Permit #:
201912068831
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Reconfigure layout to provide (10) nontransient residential hotel rooms and (8) apartments to comply with dbi complaints 201835893 201865031 201920706 201957181 202015291 202173572
Valuation:
$700,000
Permit #:
202108176550
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
85 - residential ...
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Kwan Simon Reviews
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Kwan Simon License info
License Not Verified
| License # | C27228 |
| Status | Active |
| State | California |
| Type | Architect |
- When BuildZoom last verified this license, it had an expiration date of October, 2025. Check the current license status of Kwan Simon with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
84
Permits
- Building permit records show that Kwan Simon has worked on 84 permitted projects.
Kwan Simon Employees
KS
Kwan Simon
Owner
SK
Simon Kwan