Updated: Sep 22, 2025
Location and Projects
Address
157 Summit Way, San Francisco, CA, 94132
Use our bidding system to
request a quote
Han Design Studio Construction
Han Design Studio provides architectural design services throughout San Francisco and the Bay Area, focusing on residential projects including new construction and major renovations. The studio’s portfolio features a range of single-family homes, ADUs, and interior remodels, with experience navigating complex urban sites typical of San Francisco neighborhoods. Han Design Studio works closely with homeowners to develop customized architectural solutions that address local planning requirements and site constraints. The team integrates sustainable design principles and utilizes contemporary materials to create functional, light-filled spaces. Founded in 2020, Han Design Studio brings four years of experience guiding clients from conceptual design through construction documentation and permitting. The firm emphasizes clear communication to help clients visualize project possibilities while addressing the technical aspects of residential architecture in the region.
Han Design Studio Services
Start a project today:
Han Design Studio Contact Information
Phone Number: (415) 987-0596
Edit
Address: 157 Summit Way, San Francisco, CA 94132
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Han Design Studio San Francisco
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Han Design Studio has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.
Activity
|
8 projects
|
2025 |
|
6 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Han Design Studio has worked on at least
20.0 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
|
11 projects
|
Home Additions |
|
9 projects
|
Kitchen remodels |
|
4 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that Han Design Studio mostly works on
home addition
and kitchen remodel
projects.
Pricing
|
2 projects
|
< $5k |
|
3 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
5 projects
|
$100k-$250k |
|
4 projects
|
$250k-$500k |
The typical size of their permits is approximately $115,144. 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 1. first floor a. window at bdrm-1 size is changed from 45”x58” to 36”x58” b. slider door “f-1” size is change to 84”x80” 2. new 2nd floor a. new bdrm-4 suite layout changed and increase new bathroom size b. window #204 is resized and relocated c. window #203 is resized and relocated d. window #202 is resized e. window #201 is resized and relocated f. addition a new window #2... see more
Valuation:
N/A
Permit #:
REV2024-00462-001
Status:
triage
Fee:
$1,245
Permit Type:
N/A
Building Type:
N/A
Revision 1. first floor a. window at bdrm-1 size is changed from 45”x58” to 36”x58” b. slider door “f-1” size is change to 84”x80” 2. new 2nd floor a. new bdrm-4 suite layout changed and increase new bathroom size b. window #204 is resized and relocated c. window #203 is resized and relocated d. window #202 is resized e. window #201 is resized and relocated f. addition a new window #2... see more
Valuation:
N/A
Permit #:
APP2025-00080
Status:
canceled
Fee:
$301
Permit Type:
N/A
Building Type:
N/A
Single family residence - non sprinklered building remodel ( remodel sf @1339 sf) *removing the wall between living and kitchen; new skylight in kitchen; re-configurating master closet and bathroom (enlargement); kitchen and bathrooms remodeling; upgrade main power panel to 200 amp; new sub panel in garage; bedroom # 3 converted into walk in closet with a sun tunnel in ceiling; bedroo... see more
Valuation:
$295,946
Permit #:
BD-2022-286790
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single story addition at rear of property (121 sq ft) to include a new full bathroom and enlarge bedroom #2 to create new master bedroom suite with wic. enclose covered porch @ 73 to enlarge den and foyer. remodel 924 sq ft of existing home to include kitchen hall bathroom remove fireplace in living room upgrade main service panel to 200 amps and addition new subpanel in garage. repla... see more
Valuation:
$289,757
Permit #:
BD-2023-289795
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family dwelling addition of 361sf and remodel of 305sf. legalize addition of (e) master bedroom and repair existing foundation where around (e) master bedroom. remodel of kitchen merge existing two bathrooms into one large bathroom. replace (e) deck building new deck of 50.50sf. sewer later replacement in rear yard from building to cleaning (public utility easement) ep-2022-000... see more
Valuation:
$287,987
Permit #:
BD-2021-283063
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Adding new 2nd floor addition to existing single story residence 762.91 sf including two bedrooms two bathrooms wet bar and relocated laundry room. 1st floor remodeling (relocates kitchen bathroom remodeling demolish rear laundry room) and addition to expand kitchen. rev #1: front yard retaining wall modification. iss 5.2.25) pa-2021-079
Valuation:
$259,000
Permit #:
BD-2022-286028
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1/f: addition (1)living room (1)bedroom (1)bath and (1)office addition wall to seaparate garage and new living space addition washer & dryer addition (1)new heat-pump fau for 1/f use. 2/f: incorporate atrium into living space removing wall between kitchen and atrium and side room addition (1)bath kitchen & (e) bathroom
Valuation:
$200,000
Permit #:
202409261696
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remove illegal room addition on rear side of house - (n) 460.35 sf 1st floor addition to front of house - full gut & remodel of (e) house - relocate kitchen baths and all bedrooms - addition 1 (n) bathroom - upgrade main panel to 225 amps - 2 (n) skylights - washer dryer hook up and utility sink in garage - (n) fau in attic - (e) water heater to stay
Valuation:
$500,000
Permit #:
BRADD-23-0029
Status:
complete
Fee:
$15,555
Permit Type:
N/A
Building Type:
N/A
Replace water damaged framing under exterior stairs & replace stair covering replace water damaged framing for 1/f framing & re-install window flashing relocate electrical main panel relocate electrical sub panel inside basement floor kitchen remodeling addition 2 new skylights in kitchen area
Valuation:
$50,000
Permit #:
202405242887
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Addition 477.11 sf addition to existing single story house: (n) bedroom and (n) bathroom. revision #1: 1. roof over front porch re-design addition a post to support new roof please see a2.0 a3.1 a4.0 a5.0. 2. provide new crawl space access to new bedroom-4 walk-in-closet.(iss 4/7/25) revision #2: latest version of title 24 is submitted to satisfy both bd-2023-292329 and bd-2024-296423... see more
Valuation:
$231,594
Permit #:
BD-2024-296423
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Convert detached garage to 956.62 sq ft adu with 2 bedrooms 2 bathrooms living room and kitchen. upgrade main electrical panel to 200 amps (mep-2025-298013)
Valuation:
$230,000
Permit #:
BD-2024-295368
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family dwelling remodel of 409sf to relocate guest bathroom convert existing guest bathroom to buddhist room & addition a new skylight master bathroom like-for-like remodeling relocate laundry raise up living room floor to match rest area floor level enlarge slider door opening in family room. replace all existing windows• replace water heater and furnace (both are gas type). u... see more
Valuation:
$100,287
Permit #:
BD-2023-292329
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition of 327 sf to front of house. remodeling 1 000 sf reconfiguring kitchen layout removal of walls and chimney and creating bathroom to upstairs. upgrade main panel to 200amp (creating 5 bed 4 bathroom residence)
Valuation:
$130,000
Permit #:
BLD2024-03185
Status:
complete
Fee:
$4,522
Permit Type:
Addition
Building Type:
N/A
Single-story rear addition (450 sf) to existing one-story single-family dwelling for new bedroom and new bathroom. replace existing sewer lateral. revision #1 - sewer lateral replacement removed from scope of work as street moratorium prevents work from taking place until 2026. (issued 9/13/23)
Valuation:
$198,918
Permit #:
BD-2022-287567
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Master bathroom remodel. including relocated sink shower and toilet. reducing sf of bathroom to addition (n) office
Valuation:
$42,420
Permit #:
BD-2024-292502
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single story addition at front yard of 355.99 sf to existing single family dwelling. the addition includes: one bedroom one bathroom one walk-in closet and one laundry room
Valuation:
$50,000
Permit #:
BD-2021-279454
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential addition alteration to existing residence
2024-03-05
• addition new 611.67 sf 2nd floor addition new stairs to 2nd floor replacing existing bedroom 4 2nd floor addition to include bedroom 4 w bathroom family room and storage • kitchen & master bathroom remodeling • upgrade electrical panel to 200 a ***fire sprinkler required separate permit*** *pue easement along front property line - no work to be performed in easement* resub #1 - jzb ... see more
Valuation:
N/A
Permit #:
BLD2024-00462
Status:
issued
Fee:
$15,778
Permit Type:
N/A
Building Type:
N/A
Expand 1st fl half bathroom to full bathroom. relocate (e) water heater
Valuation:
$40,000
Permit #:
202409261718
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Applying for upgrading 225 amp to primary house existing electrical panel
Valuation:
$500
Permit #:
BLD2025-03044
Status:
issued
Fee:
$297
Permit Type:
N/A
Building Type:
N/A
Erect an electric doubled faced wall sign #2: mysa day spa
Valuation:
$2,000
Permit #:
202012151056
Status:
suspended
Fee:
N/A
Permit Type:
N/A
Building Type:
-
Similar Contractors See more
242
BZ Score
$59K
Avg Project
-
Projects
193
BZ Score
$200K
Avg Project
-
Projects
192
BZ Score
$30K
Avg Project
-
Projects
Han Design Studio Reviews
BuildZoom hasn't received any reviews for Han Design Studio. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Han Design Studio License info
License Not Required
| Status | Not Required |
- BuildZoom verified in August, 2022 that this contractor does not need a license to be a contractor in California.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
21
Permits
- Building permit records show that Han Design Studio has worked on 21 permitted projects.