Updated: Apr 02, 2026
Location and Projects
Address
PO BOX 11221, Glendale, CA, 91226
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Busysquare Builders Construction
Busysquare Builders, Glendale, Po Box 11221, Glendale, CA (Owned by: Bartolomew Chan Castelo) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Busysquare Builders, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Busysquare Builders Services
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Busysquare Builders Contact Information
Phone Number: (818) 292-6146
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Address: PO BOX 11221, Glendale, CA 91226
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Busysquare Builders Reviews
5 out of 5 stars, based on
1
review
-
By Ted G.April 2, 2021home$150,000
This is a sample of this contractor's permits. Click here to access their complete permit history.
Supplemental permit to #19041-10000-41785 to revise from 200 amp to 100 amp
Valuation:
N/A
Permit #:
19041-30001-41785
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
24 long max 6 high 8 cmu retaining wall fence wall along north property line approximately 38 ft from front lot line along (e) driveway grading permit under 13030-10000-06638
Valuation:
$8,000
Permit #:
13020-10000-02871
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
*** supplemental to 13014-10000-00650 to capture occupant load and occupancy on the roof deck. no fee department error. ***
Valuation:
N/A
Permit #:
13014-10002-00650
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Relocate floor sink. addition 3-comp sink pre-sink & handsink. comply w dept order dated 01/15/08. permit will expire 30 days from issuance date. 1 of 2 w #09041-10000-04933. **investigation fee paid through #08016-10000-20560**
Valuation:
N/A
Permit #:
09042-10000-04405
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Hillside grading 20 cy for excavation and backfill of retaining wall/fence wall under permit 13020-10000-02871
Valuation:
$20
Permit #:
13030-10000-06638
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Suppplemental permit to #13020-10000-02871. change footing detail of 24 long 6 height retaining wall
Valuation:
$501
Permit #:
13020-10001-02871
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition equipment outlet & convinient outlet. comply w dept order dated 01/15/08. permit will expire 30 days from issuance date. 2 of 2 w #09042-10000-04405. **investigation fee paid through #08016-10000-20560**
Valuation:
N/A
Permit #:
09041-10000-04933
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Soft story retrofit per div. 93. retrofit consists of steel moment frames. retrofit requires inside unit access for moment frame on side elevation
Valuation:
$120,000
Permit #:
17016-10000-37024
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental permit to collect fees for (1) additional inspection. this permit does not authorize any additional work or extend the expiration date of the original permit
Valuation:
N/A
Permit #:
09042-10001-04405
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to collect fees for (1) additional inspection. this permit does not authorize any additional work or extend the expiration date of the original permit
Valuation:
N/A
Permit #:
09042-10002-04405
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Addition & remodel single family residence
Valuation:
$75,000
Permit #:
BS1306038
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family res...
*** supplemental to 13014-10000-00650 to capture occupant load and occ
Valuation:
N/A
Permit #:
13014-10002-00650
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Hose bibb
Valuation:
N/A
Permit #:
19042-10000-25489
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 200 amp service for adu
Valuation:
N/A
Permit #:
19041-10000-41785
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Room addition (18'-6 x 33'-6 irr 497sf) with 497 sf roof deck at rear of existing single family dwelling
Valuation:
N/A
Permit #:
09014-10000-03502
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
24 long max 6 high 8 cmu retaining wall fence wall along north
Valuation:
$8,000
Permit #:
13020-10000-02871
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Roof top deck above (e) roofed 72 x 120 pkg area. also upgrading bathroom to comply with ada
Valuation:
$350,000
Permit #:
13014-10000-00650
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Hillside grading 20 cy for excavation and backfill of retaining wall/f
Valuation:
$20
Permit #:
13030-10000-06638
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 09041-10000-04933 for (4) new circuits
Valuation:
N/A
Permit #:
09041-10001-04933
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 0914-10000-03502: revise plot and floor plan
Valuation:
N/A
Permit #:
09014-10001-03502
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Busysquare Builders License info
Verified License
| License # | 918027 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Busysquare Builders at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F156545-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Sole Ownership |
- According to the United States Environmental Protection Agency, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Busysquare Builders at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
7
Permits
- Building permit records show that Busysquare Builders has worked on 7 permitted projects.
Busysquare Builders Employees
BC
Bartolomew Chan Castelo
Owner
VERY PROFESSIONAL CONTRACTOR. SO KNOWLEDGEABLE.
I RECOMMEND THESE GUYS IN ALL SORTS WHETHER CONSTRUCTION OR ENGINEERING. PROMT TO DO THINGS AND LATE TO BILL .- TED-LOS ANGELES