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Location and Projects

Address
809 CRYSTAL WATER LN, Walnut, CA, 91789
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Zr Square Construction

Zr Square Construction, 809 Crystal Water Ln, Walnut, CA (Employees: Bin Cai and Bin Cai) holds a General Building license according to the California license board.

Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.

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

Zr Square Construction Contact Information

Phone: (626) 616-1151 Edit
Address: 809 CRYSTAL WATER LN, Walnut, CA 91789 Edit

Zr Square Construction Walnut

Quality

92
68th percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Zr Square Construction has a BuildZoom score of 92, which places them above 68% of 336,931 contractors in California.

Activity

3 projects
2025
2 projects
2024
Our building permit records indicate that Zr Square Construction has worked on at least 5.0 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
1 project
$20k-$50k
Value Not Public: 3.0 projects
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 Zr Square Construction

Sort by: Notable Notable | Date Date | Job Value Job Value
R/r (8) existing windows & r/r (1) existing sliding door (headers to remain) & tear off (e) shingles new sheathing as needed (n) 1-layer 30# felt underlayment (n) landmark solaris 30 squares slope 6:12 ***manufacturer's specs to be on site for inspections***
Valuation:
N/A
Permit #:
C2025-006267
Status:
issued
Fee:
$952
Permit Type:
N/A
Building Type:
N/A
Building combo
2024-03-27
1. remodel interior space walls due to water damaged by a leak from the 2nd floor principal bathroom. 2. remodel existing powder room on 1st floor into a full bathroom with shower
Valuation:
$10,000
Permit #:
B202400597
Status:
final
Fee:
$944
Permit Type:
N/A
Building Type:
N/A
Residence alt/add/2nd story deck permit
2024-12-17
(eplan) kitchen & bathroom remodel like for like
Valuation:
$25,000
Permit #:
00934609-RBPR
Status:
final
Fee:
$787
Permit Type:
N/A
Building Type:
N/A
Combo residential - addition/alteration
2025-10-30
Single family residence construct non load bearing wall to create (n) bedroom 77 sf
Valuation:
N/A
Permit #:
XR2025-2876
Status:
issued
Fee:
$1,731
Permit Type:
N/A
Building Type:
N/A
Residential
2025-08-07
2000 sf reroof. tear off existing repair sheathing as needed install 30lb felt underlayment and comparable shingles. must meet class a and cool roof requirements
Valuation:
N/A
Permit #:
BLDG25-1290
Status:
issued
Fee:
N/A
Permit Type:
Reroof
Building Type:
N/A

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