Updated: Jun 27, 2026
Location and Projects
Address
4310 SEVEN HILLS ROAD, Castro Valley, CA, 94546
Use our bidding system to
request a quote
Han Lin Xu Construction
Serving Castro Valley, California, Han Lin Xu has nearly three decades of experience in the construction industry. With 28 years in business, the company has delivered a range of residential projects throughout the local area. Project types have included home improvement and remodeling work for single-family homes. Han Lin Xu works with homeowners in the Castro Valley community and surrounding neighborhoods, focusing on general residential upgrades and construction services. The company’s long-standing presence reflects a consistent focus on local building requirements and standards, ensuring projects are tailored to the needs of Bay Area residents. Homeowners seeking established experience for their renovation or addition projects often choose Han Lin Xu for his extensive knowledge of the region’s housing styles and construction methods.
Han Lin Xu Services
Start a project today:
Han Lin Xu Contact Information
Phone Number: (510) 427-6113
Edit
Address: 4310 SEVEN HILLS ROAD, Castro Valley, CA 94546
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Han Lin Xu Castro Valley
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Han Lin Xu has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
2 projects
|
2024 |
Our building permit records indicate that Han Lin Xu has worked on at least
2.0 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.
Pricing
|
1 project
|
$5k-$20k |
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.
Building new house pursuant to zoning use permit zp2021-0113
Valuation:
$500,000
Permit #:
B2024-04825
Status:
plancheck
Fee:
$8,717
Permit Type:
N/A
Building Type:
N/A
Replace 8 retrofit windows **address changed from 981 post st to 3 barker ct per the applicant**
Valuation:
$13,000
Permit #:
BW24-0219
Status:
final
Fee:
$903
Permit Type:
N/A
Building Type:
N/A
Revision to replace floor furnace. no increase in valuation
Valuation:
N/A
Permit #:
B2020-00844-REV01
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Pg&e recheck for electrical meter
Valuation:
N/A
Permit #:
B2020-01384
Status:
issued
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Temporary power pole for construction - see b2017-02788 & b2017-02832
Valuation:
N/A
Permit #:
B2018-01550
Status:
final
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Building - addition 847.5 sq ft to existing single family dwelling - new master suite kitchen relocated & remodeling. convert existing kitchen into a bedroom existing living room converted to kitchen. furnace moved to attic. (rgs/mdal)
Valuation:
N/A
Permit #:
BLD2017-06135
Status:
complete
Fee:
$5,185
Permit Type:
N/A
Building Type:
N/A
To correct violations and remodel a single family dwelling per plans:1) to remove non-bearing walls to convert the kitchen & pantry to a larger kitchen (124 sf).2) to convert the bedroom #3 closet to a full bathroom and closet (60 sf).3) to remodel the existing hall bathroom (33 sf).4) to replace 11 linnear feet of t footing at the front of the house. 5) to re-wire the house and upgra... see more
Valuation:
N/A
Permit #:
BLD2016-00482
Status:
PERMIT ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct (1921) sf single family home in rear of property
Valuation:
$362,000
Permit #:
B2017-02832
Status:
final
Fee:
$19,088
Permit Type:
New
Building Type:
N/A
Addition 156sf to existing triplex interior remodel of all 3 units and update with new plumbing electrical and mechanical
Valuation:
$425,000
Permit #:
B2020-02097
Status:
issued
Fee:
$15,110
Permit Type:
N/A
Building Type:
N/A
Gro fl - ref: e201107226528 new contr - convert back of vacat landry into men's room and a storage room. install an ada- complying restrom for the vacant space. 7 lights 4 switches 3 receptacles 3 fans
Valuation:
$0
Permit #:
E201111018665
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit value$8.7k bld- tear off existing roof layers down to deck install 16 squares of composition shingles. (mlm)
Valuation:
N/A
Permit #:
BLD2016-0068
Status:
FNL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Move and re-install door and windows at front entry way. demolish (e) storage room and storage building at rear of property
Valuation:
N/A
Permit #:
BLD2015-00892
Status:
final
Fee:
$541
Permit Type:
N/A
Building Type:
N/A
Ground fl - ref: e201107226528 new contr - convert back of vacat landry into men's room and a storage room. install an ada- complying restrom for the vacant space. 7 lights 4 switches 3 receptacles 3 fans
Valuation:
N/A
Permit #:
E201111018665
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Xin hui gingseng store unit addressed 315 within single story commercial building
Valuation:
$0
Permit #:
CO-01962
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Modifying of the (e) entry foyer area
Valuation:
$10,000
Permit #:
B2020-04232
Status:
final
Fee:
$750
Permit Type:
N/A
Building Type:
N/A
Lift single family home to create new lower level and rear addition for interior stairs.
8/3/17 - temporary power issued
Valuation:
$250,000
Permit #:
B2016-05749
Status:
final
Fee:
$13,540
Permit Type:
Addition/Alteration
Building Type:
N/A
Milpitas day spa: install windows in existing partitions a
Valuation:
$15,000
Permit #:
B-BP11-0050
Status:
final
Fee:
$1,204
Permit Type:
Caa-off/bank/prof
Building Type:
N/A
Milpitas day spa: install windows in existing partitions a
Valuation:
N/A
Permit #:
B-EL11-0054
Status:
final
Fee:
$312
Permit Type:
Cel-electrical
Building Type:
N/A
Milpitas day spa: install windows in existing partitions a
Valuation:
N/A
Permit #:
B-ME11-0060
Status:
final
Fee:
$62
Permit Type:
Cme-mechanical
Building Type:
N/A
Milpitas day spa: install windows in existing partitions a
Valuation:
N/A
Permit #:
B-PL11-0063
Status:
final
Fee:
$289
Permit Type:
Cpl-plumbing
Building Type:
N/A
Similar Contractors See more
242
BZ Score
$59K
Avg Project
-
Projects
193
BZ Score
$200K
Avg Project
-
Projects
188
BZ Score
$30K
Avg Project
-
Projects
Han Lin Xu Reviews
BuildZoom hasn't received any reviews for Han Lin Xu. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
Han Lin Xu License info
Verified License
| License # | 903834 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Han Lin Xu at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Wesco Insurance Company |
21
Permits
- Building permit records show that Han Lin Xu has worked on 21 permitted projects.
Han Lin Xu Employees
HX
Han Lin Xu
Sole Owner