Updated: Feb 18, 2026
Location and Projects
Address
21469 MONTGOMERY AVE, Hayward, CA, 94541
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Liang Dong Construction
Liang Dong Construction, 21469 Montgomery Ave, Hayward, CA (Employee: Liang Dong) holds a General Building 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 Liang Dong Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Liang Dong Construction Services
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Liang Dong Construction Contact Information
Phone Number: (650) 283-8298
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Address: 21469 MONTGOMERY AVE, Hayward, CA 94541
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Liang Dong Construction Hayward
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Liang Dong Construction has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
30 projects
|
2025 |
|
6 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Liang Dong Construction has worked on at least
38.0 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
|
18 projects
|
Home Additions |
|
21 projects
|
Kitchen remodels |
|
10 projects
|
Multi-room remodels |
Analyzing permits over the last 4 years shows that Liang Dong Construction mostly works on
kitchen remodel
and home addition
projects.
Pricing
|
5 projects
|
< $5k |
|
5 projects
|
$5k-$20k |
|
10 projects
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
9 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $28,219. 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 Liang Dong Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
*pending payment route building plng fire c&d pw maybe arb* demolish (e) trellis. addition of 788 sf to rear of house nd full interior remodel of 1892 sf - extending (e) kitchen and living space extending 2 bathrooms addition 1 full bathroom and 1 half bathroom. relocate msp. extending roof in rear for 370 sf covered porch area
Valuation:
$911,300
Permit #:
BD-2025-299664
Status:
plancheck
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
G/f: addition 1 family room bedroom full bathroom half bathroom. renew (e) furnace & w.h. infill rear portion of the building to match the upper floor pop out (total 75 sf). 2/f to remodel (e) kitchen under pa # 202502039572 & remove (e) wall at kitchen area. remodel (e) bedrooms & bathroom. addition full bathroom
Valuation:
$150,000
Permit #:
202503142293
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
2nd fl. (unit 199) & 3rd fl (unit 197) relocate and remodel (e) kitchen and 1 bathroom remodel in both units addition one bedroom and one bathroom in both units addition recessed lighting around entire units (both) relocate washer and dryer in both units
Valuation:
$269,818
Permit #:
202506068153
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
To addition 2 new bedrooms 2 new full baths 1 media room. replace and renew furnace and water heater at the ground floor. 2/f: to remodel (e) kitchen and remove (e) wall at kitchen area. to remodel (e) 2 bedrooms addition new full bathroom to relocate (e) stair to the ground floor. to infill (e) lightwell
Valuation:
$200,000
Permit #:
202507312083
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Revision to permit#202502110116. ground floor: to convert family room to bedroom remove laundry closet. remove gas furnace and replace with mini split system. 2nd floor: to remove 2nd floor entrance door and window to addition a family room to addition a electrical fireplace
Valuation:
$1,000
Permit #:
202509185636
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
2nd fl: remodel (e) kitchen & bathroom & addition (1) new bedroom & bathroom. remove (e) stair to the ground floor. replace (e) street facing windows inkind. ground fl: addition (n) family room one full bathroom & bedroom. relocate (e) water heater & furnace. addition kitchenete
Valuation:
$120,000
Permit #:
202404170187
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Revision to pa#202411195329 2nd floor: to enclose the dining area. ground floor: relocate proposed kitchenette and replace 3 windows in bathroom and facing the rear yard. (in-kind)
Valuation:
$1
Permit #:
202502069802
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Rear addition to addition a dining area of 118 sq ft
Valuation:
$51,266
Permit #:
BD-2025-299346
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2nd/fl: kitchen remodel and remove walls at the kitchen and dining area. one full bathroom remodel and cold stackable washer and dryer inside the bathroom
Valuation:
$139,514
Permit #:
202506118483
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Window replacement in kind; same size no structural change vinyl windows 1. replace 2 windows at front of lower level visible on street 2. replace 3 windows at sides of property non-visible on street.u
Valuation:
$3,800
Permit #:
202509185661
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Install (n) mini split air conditioner at the exterior balcony & interior mini split supply air system. install (n) recessed lights for living space on the ground floor replace and relocate (e) electrical subpanel to breakfast nook. revision 1: remove hvac from scope (issued 07/10/24)
Valuation:
$18,000
Permit #:
MEP-2024-293729
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Removal of chimney to main dwelling on wall between kitchen and living room. match (e) exterior stucco and texture to existing
Valuation:
$5,000
Permit #:
BD-2025-298339
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel 100 sqft_ kitchen remodel. reconfigure room off balcony to create 3 closets. relocate & replace (e) water heater to tankless water heater- located outside of kitchen on exterior wall
Valuation:
$24,520
Permit #:
BD-2024-293999
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2/f: to remodel 1 full bathroom and addition 1 full bathroom. g/f: to addition 2 bedrooms 1 full bathroom and a room with kitchenette (2-burner stove)
Valuation:
$120,000
Permit #:
202411195329
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Single family (alteration/repair) - kitchen & bathroom remodel (flat)
2025-04-03
Install (n) mini split air conditioner at the exterior balcony & interior mini split supply air system. 1st floor bathroom remodel - w/i bedroom. - no wall changes or layout changes. no structural
Valuation:
$25,000
Permit #:
BD-2024-296179
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To replace (2) front windows (wood or acw left window double caromed right window casement fixed casement) to repair dryrot stucco of the front facade wall less than 50% of stucco/dryrot repair
Valuation:
$6,000
Permit #:
202403228465
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
2nd fl - to relocate (e) kitchen to living room; demolish (e) fireplace; addition half bathroom; addition 1 office
Valuation:
$50,000
Permit #:
202506249350
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
To addition a 408sqft rooftop on the roof and install new waterproofing for the whole roof. revision to an existing building permit pa# 202302232528. install roof hatch in lieu of penthouse per ab-057
Valuation:
$25,000
Permit #:
202307273175
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Remodel kitchen and 2 bedrooms and 1 full bathroom at 2nd floor. addition 2 bedrooms and 2 full bathroom and family room on the extg ground floor and replace water heater and furnace. replace front and rear windows w fiber glass like kind
Valuation:
$150,000
Permit #:
201901039588
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Repair dry rotted balcony joist on the 2nd floor of townhouse
Valuation:
$8,000
Permit #:
BD-2025-298335
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Liang Dong Construction Reviews
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Verified License
BuildZoom confirmed this contractor's license
Liang Dong Construction License info
Verified License
| License # | 1004353 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Liang Dong Construction 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
52
Permits
- Building permit records show that Liang Dong Construction has worked on 52 permitted projects.
Liang Dong Construction Employees
LD
Liang Dong
Sole Owner
LD
Liang Dong
Owner