Updated: Jun 04, 2026
Location and Projects
Address
1762 42ND AVE, San Francisco, CA, 94122
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Liyuan Liu Construction
Liyuan Liu, 1762-42 Nd Ave, San Francisco, CA (Employee: Liyuan Liu) holds a General Building, Electrical, Plumbing license and 1 other license according to the California license board.
Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Liyuan Liu, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Liyuan Liu Services
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Liyuan Liu Contact Information
Phone Number: (415) 802-5004
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Address: 1762 42ND AVE, San Francisco, CA 94122
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Liyuan Liu San Francisco
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Liyuan Liu has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
12 projects
|
2025 |
|
9 projects
|
2024 |
Our building permit records indicate that Liyuan Liu has worked on at least
21.0 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
|
Home Additions |
|
6 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Liyuan Liu mostly works on
kitchen remodel
and home addition
projects.
Pricing
|
2 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
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 e202409166904 (new all gender restroom with new fan light outlets and switches.) - replace existing electrical panel replace (6) outlets (5) lights (6) switches. addition (2) new outlets
Valuation:
N/A
Permit #:
E202504292037
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Change of use from office to restaurant. (n) all gender restroom push out entry door and provide push buttons at entry door. (e) lighting and mechanical system to remain new heat pump. (e) kitchen hood and equipment to remain
Valuation:
$50,000
Permit #:
202408078120
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
05 - food/beverag...
Renovation of unit with lights outlets washer dryer. dishwasher fridge hood bathroom exhaust fans sub-panel with new service. upgrade main electrical service. ref to bpa# 201806071297
Valuation:
N/A
Permit #:
E202408276521
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovation of unit with lights outlets washer dryer. dishwasher fridge hood bathroom exhaust fans sub-panel with new service. upgrade main electrical service. ref to bpa# 201806071297
Valuation:
N/A
Permit #:
E202408276520
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rewiring 2nd floor for kitchen bathrooms bedrooms and hallway. no electrical service upgrade
Valuation:
N/A
Permit #:
E202501279611
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical work for in garag adu. addition lights subpanel outlets washer dryer dishwasher fridge hood exhaust fan addition meter. ref to bpa# 202206065659
Valuation:
N/A
Permit #:
E202408276522
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovation of one bathroom & one kitchen. new plumbign fixturs and electrical. new kitchen cbainet hardwood floors paiinting interior. replace wall tiles no strutcural modification
Valuation:
$26,000
Permit #:
202202027208
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Electrical work for kithcen and 1.5 bathroom remodel in kind
Valuation:
N/A
Permit #:
E202501179422
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
One kitchen remodel non structural no electrical and plumbing. one bathroom remodel. all non structural work
Valuation:
$55,000
Permit #:
202309217152
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
2386-2388 38th av. upgrade (e) electrical service to 200a
Valuation:
N/A
Permit #:
E202504241928
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Legalize electrical installation for bedroom addition
Valuation:
N/A
Permit #:
E202501279610
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Additional scope for pp20250117056 (n) water heater
Valuation:
N/A
Permit #:
PP20250306918
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrade existing electrical service to 200a and addition 30a circuit for air conditioning
Valuation:
$6,000
Permit #:
BLD2026-01721
Status:
complete
Fee:
$309
Permit Type:
N/A
Building Type:
N/A
Request gas tag. mini split air conditioner
Valuation:
N/A
Permit #:
PM20250429943
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing for kitchen and 1.5 bathroom in kind
Valuation:
N/A
Permit #:
PP20250117056
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bathroom and kitchen remodel. replace lights switches outlets. no circuit modification. 3 lights 2 switches 5 receptacles 1 fan
Valuation:
N/A
Permit #:
E202312061015
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Reroute and replace existing furnace duct only and keep existing furnace
Valuation:
N/A
Permit #:
PM20250606709
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Request a gas tag
Valuation:
N/A
Permit #:
PP20250501993
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit #8: addition of a 537 sqft.unit to first fl. new kitchen new bathroom
Valuation:
N/A
Permit #:
E202410227716
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ref to adu pa# 202210255103. unit 7: 1 kitchen & 1 bathroom w underground
Valuation:
N/A
Permit #:
PP20240529071
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Liyuan Liu Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Liyuan Liu License info
Verified License
| License # | 1106072 |
| Status | Active |
| State | California |
| Type | General Building, Electrical, Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Liyuan Liu at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1067312 |
| 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 Liyuan Liu at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | American Casualty Company Of Reading Pa |
20
Permits
- Building permit records show that Liyuan Liu has worked on 20 permitted projects.
Liyuan Liu Employees
LL
Liyuan Liu
Sole Owner
LL
Liyuan Liu
Sole Owner