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Location and Projects

Address
1141 TIEGEN DR, Hayward, CA, 94542
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RONGJIN DU Construction

RONGJIN DU, 1141 Tiegen Dr, Hayward, CA (Owned by: Rongjin Du) holds a General Building license according to the California license board.

Their BuildZoom score of 97 ranks in the top 18% of 336,931 California licensed contractors.

Their license was verified as active when we last checked. If you are thinking of hiring RONGJIN DU, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.

RONGJIN DU Contact Information

Phone: (626) 200-6772 Edit
Address: 1141 TIEGEN DR, Hayward, CA 94542 Edit

RONGJIN DU Hayward

Quality

97
82nd percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
RONGJIN DU has a BuildZoom score of 97, which places them above 82% of 336,931 contractors in California.

Activity

3 projects
2025
1 project
2024
Our building permit records indicate that RONGJIN DU has worked on at least 4.0 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.

Pricing

1 project
$5k-$20k
2 projects
$20k-$50k
Value Not Public: 1.0 project
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 RONGJIN DU

Sort by: Notable Notable | Date Date | Job Value Job Value
Building Permit
2025-04-21
Upgrade/replace electric panel from 100 amp to 200 amp
Valuation:
N/A
Permit #:
BLD-2025-495
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family dwelling
2025-05-16
No Description Available
Valuation:
$12,000
Permit #:
BLD2025-0308
Status:
issued
Fee:
$1,338
Permit Type:
Addition
Building Type:
N/A
Bathroom remodel new shower vanity and toiletreplace kitchen cabitets and counter tops
Valuation:
$22,000
Permit #:
202106116
Status:
complete
Fee:
$420
Permit Type:
Remodel - complet...
Building Type:
N/A
Kitchen remodel
Valuation:
$40,000
Permit #:
B2024-0207
Status:
final
Fee:
$1,798
Permit Type:
Interior remodel
Building Type:
N/A
Regular building permit
2019-11-25
Crn2019-56851: relocate tankless water heater in garage dedicated 3/4 gas line. max equipment noise shall not exceed 50dba at property line
Valuation:
N/A
Permit #:
BLD2019-56851
Status:
final
Fee:
$260
Permit Type:
N/A
Building Type:
N/A
Building Permit
2018-08-01
Remodel kitchen - ( 193 sf); remodel (2) bathrooms: aster (42 sf) and half bathroom (27 sf); grade main panel same location - (200 amp)
Valuation:
$80,000
Permit #:
B-2018-1288
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential remodel w/subs
2017-02-14
Smoke damage repair replace drywall floor and lightingupgrade panel addition closet @ bd4 enlarge closet @ bd3
Valuation:
$57,606
Permit #:
201700540
Status:
complete
Fee:
$1,471
Permit Type:
Residential remodel
Building Type:
N/A
Single family dwelling
2016-06-10
Kitchen remodel (2) bathroom remodel recessed lighting
Valuation:
N/A
Permit #:
SFD2016-0312
Status:
final
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Residential - alteration
2025-11-26
Remodel one kitchen and two bathrooms 286 sf. removal and replacement of existing cabinets countertops and appliances upgrading and adding electrical outlet as needed and replace existing range hood. replacing existing vanities and shower upgrading and adding electrical outlet as needed and upgrading existing exhaust fans. no structural changes are proposed
Valuation:
$25,000
Permit #:
B25-1213
Status:
issued
Fee:
$1,694
Permit Type:
N/A
Building Type:
Dwellings

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