Updated: Apr 30, 2026
Location and Projects
Address
2909 21st Ave, San Francisco, CA, 94132
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Yao Star Construction Inc.
Yao Star Construction Inc., 2909 21st Ave, San Francisco, CA (Employees: Thomas Tam and Yao Feng Liu) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 111 ranks in the top 4% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Yao Star Construction Inc., we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Yao Star Construction Inc. Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Restaurant New Construction
Retail New Construction
Office Building New Constru...
Industrial New Construction
Hotel New Construction
Warehouse New Construction
Other Commercial New Constr...
Industrial Renovation
Hotel Renovation
Warehouse Renovation
Small Multi-Family New Cons...
Small Multi-Family Remodel ...
Whole Home Remodel
Modular Home Construction
Addition
Large Multi-Family New Cons...
Attic Remodel
Single Room Remodel
Cosmetic Remodel
Large Multi-Family Remodel ...
Healthcare Facility New Con...
Yao Star Construction Inc. Contact Information
Phone Number: (415) 987-9555
Address: 2909 21st Ave, San Francisco, CA 94132
Yao Star Construction Inc. San Francisco
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Yao Star Construction Inc. has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.
Activity
|
18 projects
|
2025 |
|
16 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that Yao Star Construction Inc. has worked on at least
45.0 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
|
12 projects
|
Home Additions |
|
3 projects
|
Commercial Renovations |
|
3 projects
|
New Constructions |
|
20 projects
|
Kitchen remodels |
|
8 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that Yao Star Construction Inc. mostly works on
kitchen remodel
and home addition
projects.
Pricing
|
7 projects
|
< $5k |
|
9 projects
|
$5k-$20k |
|
6 projects
|
$20k-$50k |
|
10 projects
|
$50k-$100k |
|
10 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
The typical size of their permits is approximately $30,000. 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.
Building Permits by Yao Star Construction Inc.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Convert 1/f garage space into living space (708 sq.ft) - one family room with wetbar one bathroom one bedroom and a media room. relocate washer/dryer water heater and furnance. addition one new furnance for new living space
Valuation:
$180,000
Permit #:
202507019946
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Comply w complaint #202536511:(1)replace cabinets new countertop & new floor for the kitchen. install (n) electric system for kitchen. (2)replace two vanities and two toilets in two bathrooms. replace floor tile at hallway bathroom. replace 2 (n) windows in kitchen in kind in same openings
Valuation:
$30,000
Permit #:
202504224985
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodel kitchen and bathrom addition laundry at 2/f. upgrade new wire for living room dining room 1 storage room one bedroom at 2f building 1 bedroom new full bathroom one media room new wetbar new office at 1/f. upgrade 200 amp electrical service. 40 lights 30 switches 50 receptacles 3 fans 1 d/w 1 g/d 1 microwave 1 range 6 s/d
Valuation:
N/A
Permit #:
E202501089234
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and 1 bathroom at 2nd fl. replace front 2 windows 6 windows (2 in the backyard and 4 in the middle porch) replace around 500 sqft. sheet rck for living room dining room and two bedrooms/hallway install insulaltion for ceiling and wall (no structural wall change)
Valuation:
$80,000
Permit #:
202507231431
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replace new cabinets counter top sink and the hardwood floor at the kitchen. replace new tiles tub faucet new vanity new toilet on 2nd floor bathroom. replace new electrical wires on 2nd floor. comply with #202539159. construct to get start work inspection
Valuation:
$68,135
Permit #:
202506209142
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Construct one bedroom one full bathroom room media room storage room install wet bar & convert (e) storage room to office all work at g/f
Valuation:
$189,000
Permit #:
202412166874
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Ref to pa# 202212168535 adu & 202302021225 upper unit. legalize 2nd fl bathroom. lower unit adu electrical work for 1 kitchen 1 bathroom 2 bedrooms 4 baseboard heaters 2 sub panels 1 man panel upgrade to 200 amp
Valuation:
N/A
Permit #:
E202504111573
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and bathroom laundry on 2/f builde new bathroom new wetbar and new laundry room at 1/f. install new water heater for radiant heat and one water heat for whole house. 1 shower pans undergroud work
Valuation:
N/A
Permit #:
PP20250108886
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1st floor: reconfigure e) bedroom. relocate existing bathroom. family and laundry and new wetbar. 2nd floor:remodel e) bathroom. replace front stairs in kind. stair treds to be replaced in kind with brick as per photos - google
Valuation:
$60,000
Permit #:
202502281375
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodel kitchen and 1 bathroom at 2nd floor. upgrade new wires for 2 bedroom. hallway 1 dining room and 1 living room at 2nd floor. building 1 bedroom 1 family room 1 full bathroom and 1 media room. wet bar 1st floor. install 60 amp sub on 2nd floor and 50 amp sub 1st floor. 40 lights 40 switches 40 rec 2 fan 1 dishwasher 1 garbage 1 microwave 1 range 6 smoke detector
Valuation:
N/A
Permit #:
E202507234162
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ref to building pa#202502281375: building 2 bedrooms family & laundry new wet bar at 1st/f. rewire 2 baths on 1st & 2nd/f. replace new elecitria wires & install 10 4 led lights 1 sub panels
Valuation:
N/A
Permit #:
E202504302079
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel (1) kitchen. (1) half bathroom at 2/f. remodel (2) full bathrooms at 3rd floor. upgrade whole house electric work and upgrade to 200 amp service. remodel laundry room at 2/f. bathrooms shall include exhaust fans. kitchen shall include hood
Valuation:
$98,000
Permit #:
202407025721
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Ref to adu 202212168535 & upper unit 202302021225: legalize ground fl adu w 2 bedrooms 1 kitchen 1 bathroom 1 showwer pan w underground. upper unit 1 new bathroom 2 water heaters
Valuation:
N/A
Permit #:
PP20250411591
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Renovate kitchen on 2nd floor. replace 18 windows. convert partial garage space to 1 office 1 gym and 2 bathrooms. aprox 716 sq ft. front window to be in kind
Valuation:
$250,000
Permit #:
202404119793
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Compliance w compliant notice 202290967. proposed interior remodeling of (e) sfh: 1st fl conversion of storage space @ 1st fl to habitable space to incorporate bedrooms & bathrooms all with envelope. 2nd flor modi of 2nd fl remodel kitchen and bathroom. additon of new deck @ and floor to provide access
Valuation:
$250,000
Permit #:
202208251279
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Revision to 202103307515. reduce expansion from 776 sf to 377 sf. small expansion 377 sf to (e) single family residence. 1 master bedroom bathroom & closet. renovate partial garage to gym. (n) rear roof deck over (n) master bedroom suite (n) balcony @ (n) master bedroom
Valuation:
$10,000
Permit #:
202308073890
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Comply complaint#: 202418086. repair fireplace. repair. damaged ceiling repair damaged walls. repair bathroom ventilation. repair floor covering. reapir 3'x3 damaged concrete. repair windows and light switch. install carbon monoxide. smoke detectors
Valuation:
$5,000
Permit #:
202402015102
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Ref: e202211163623 (remodel 2 bathrooms 2 bedrooms 1 storage room garage. 1 family room at 1st fl remodel kitchen dining room living room 2bathrooms 1 bedroom at 2nd fl building a master bdroom 1 bathroom 1 bedroom at 3rd fl 1 family room. upgrade 200amp install 3 sets of mini split for each story. (80 lights 40 switches 80 receptacles 8 fans 1 dishwasher 1 garbage disp 1 microwave 1 ... see more
Valuation:
N/A
Permit #:
E202406275262
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ref pp20221116169 - remodel 2 full bathrooms at ground fl 2 full bathroms kitchen 2 laundries at 2nd fl building a master bedroom 1 full bathroom at 3rd fl replace new water heater (tankless water heater) upgrade new water line services to 1/6 and install new storm drainages
Valuation:
N/A
Permit #:
PP20240627590
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Comply complaint #202420951: repair light install electric heater replace cracked glazing remove security grates bedroom install shutoff valve for stove reinstall water heater per plumbing code repair window sash install new fan bathroom. comply complaint #202418086, 202421394
Valuation:
$4,500
Permit #:
202404150011
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Yao Star Construction Inc. Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Yao Star Construction Inc. License info
Verified License
| License # | 969667 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Yao Star Construction Inc. at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1044605 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Yao Star Construction Inc. at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Bonded
| Bonded Agent | Western National Mutual Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
161
Permits
- Building permit records show that Yao Star Construction Inc. has worked on 161 permitted projects.
Yao Star Construction Inc. Employees
TT
Thomas Tam
Rmo
YL
Yao Feng Liu
Ceo / President