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Location and Projects

Address
6429 WILLOUGHBY AVENUE, Los Angeles, CA, 90038
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Alfonso Diaz Jr Construction

Serving clients across Los Angeles, Alfonso Diaz Jr brings 35 years of construction experience to residential building and remodeling projects. With a strong track record in the area, Alfonso Diaz Jr undertakes various home improvement and renovation tasks tailored to meet the needs of homeowners in Los Angeles and surrounding neighborhoods. Projects commonly include residential remodels, additions, and repairs designed to upgrade existing spaces or expand living areas. Drawing on decades of local experience, Alfonso Diaz Jr delivers work that reflects knowledge of local building codes and the specific requirements of Los Angeles homes. The company works closely with property owners to implement practical solutions for both interior and exterior projects throughout the region.

Alfonso Diaz Jr Contact Information

Phone: (310) 266-2471 Edit
Address: 6429 WILLOUGHBY AVENUE, Los Angeles, CA 90038 Edit

Alfonso Diaz Jr Los Angeles

Quality

97
82nd percentile
How is the BuildZoom score calculated?
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Alfonso Diaz Jr has a BuildZoom score of 97, which places them above 82% of 336,931 contractors in California.

Activity

1 project
 2025
1 project
 2024
Our building permit records indicate that Alfonso Diaz Jr 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.

Pricing

1 project
 $5k-$20k
Value Not Public: 2.0 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 Alfonso Diaz Jr

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Bldg-alter/repair
2667 S La Brea Ave, Los Angeles, CA, 90016
2020-07-20
( 1 ) window (same size & type) for residential buildings. dual glazing labeled and certified by national fenestration rating council (nfrc) is required for doors and windows replaced in all residential buildings three stories or less per section 152(b) of title 24
Valuation:
$2,000
Permit #:
20016-30000-17091
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bldg-alter/repair
2665 S La Brea Ave, Los Angeles, CA, 90016
2020-12-30
( 1 ) window change-out (same size & type) for residential buildings. dual glazing labeled and certified by national fenestration rating council (nfrc) is required for doors and windows replaced in all residential buildings three stories or less per section 152(b) of title 24
Valuation:
$2,000
Permit #:
20016-30000-17090
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bldg-alter/repair
11344 W Bolas St, Los Angeles, CA, 90049
2021-09-28
Addition sill plate anchors bolts and cripple wall plywood per l.a. city standard. plan #1; no foundation replacement (eq hazard reduction per chapter 92)
Valuation:
$3,000
Permit #:
21016-90000-32183
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bldg-alter/repair
4235 S 2nd Ave, Los Angeles, CA, 90008
2019-03-08
Reroof with 12 sqrs built up roofing over new solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-residential buildings per title 24 part 6 section 149(b)
Valuation:
$3,600
Permit #:
19016-90000-06703
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Electrical
252 N Hoover St, Los Angeles, CA, 90004
2022-12-09
Supplemental permit to permit #21041-90000-28888 to: addition (40) communication devices
Valuation:
N/A
Permit #:
21041-10001-28888
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Roofing
162 N Arnaz Dr, Beverly Hills, CA, 90211
2022-06-01
Re-roof main building: roofing membrane
Valuation:
$16,000
Permit #:
BS2202596
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Manufactured low ...
Roofing
162 N Arnaz Dr, Beverly Hills, CA, 90211
2022-06-01
Re-roof garage: roofing membrane
Valuation:
$5,000
Permit #:
BS2202597
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Manufactured low ...
Hvac
1091 S Le Claire Pl, Los Angeles, CA, 90019
2022-07-07
Air conditioning unit installation
Valuation:
N/A
Permit #:
22044-90000-05950
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Electrical
1091 S Le Claire Pl, Los Angeles, CA, 90019
2025-06-09
Electrical
Valuation:
N/A
Permit #:
22041-90000-23907
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plumbing
11344 W Bolas St, Los Angeles, CA, 90049
2024-08-31
Replacing toilet
Valuation:
N/A
Permit #:
21042-90000-34631
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Electrical
11344 W Bolas St, Los Angeles, CA, 90049
2024-08-26
New meter 200amps
Valuation:
N/A
Permit #:
21041-90000-58767
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Electrical
236 Shay Ave, La Puente, CA, 91744
2020-12-01
No Description Available
Valuation:
N/A
Permit #:
28345
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing
906 E 105th St, Los Angeles, CA, 90002
2019-07-02
Toilet replacement
Valuation:
N/A
Permit #:
19042-90000-02194
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Electrical
906 E 105th St, Los Angeles, CA, 90002
2019-09-27
Electrical panel
Valuation:
N/A
Permit #:
19041-90000-03323
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plumbing
906 E 105th St, Los Angeles, CA, 90002
2018-10-25
Replace (1) water heater
Valuation:
N/A
Permit #:
17042-10000-27779
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Electrical
3625 W Adams Blvd, Los Angeles, CA, 90018
2016-04-15
Replace outlets & switches install new light fixture in men's bathroom. comply w dept order dated 6/24/13. permit will expire 30 days from issuance date. 2 of 2 w #14042-10000-10758. **investigation fee included**
Valuation:
N/A
Permit #:
14041-10000-15363
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plumbing
3625 W Adams Blvd, Los Angeles, CA, 90018
2014-11-04
Upgrade bathroom fixtures: (2) new urinals & replace toilet. comply w dept order dated 6/24/13. permit will expire 30 days from issuance date. 1 of 2 w #14041-10000-15363. **investigation fee included**
Valuation:
N/A
Permit #:
14042-10000-10758
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Bldg-alter/repair
14960 W Dickens St Rec Rm, Los Angeles, CA, 91403
2015-12-09
Int. non-structural remodel on (e) rec. room on the first floor. cj being replaced are solely to drop the ceiling not structural elements
Valuation:
$4,000
Permit #:
15016-20000-16070
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Bldg-alter/repair
3150 N Durand Dr, Los Angeles, CA, 90068
2021-09-01
Interior kitchen remodel/repair (no changes in walls or openings). interior bathroom remodel/repair (no changes in walls or openings)
Valuation:
$20,000
Permit #:
21016-90000-23610
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Afi
2255 N Genevieve St, San Bernardino, CA, 92405
2016-07-11
Needs addition (unit b) and detached structure(unit c) inspected so that it meets san bernardino code requirements. units b and c. (b@818s qft) (c@ 504 sqft)
Valuation:
$100,948
Permit #:
A1600096
Status:
applied
Fee:
$668
Permit Type:
N/A
Building Type:
N/A

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