Updated: Mar 29, 2026
Location and Projects
Address
8757 HASKELL AVENUE, North Hills, CA, 91343
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WILLIAM HENDERSON Construction
Serving residential clients in North Hills, CA, William Henderson brings 27 years of experience in the local construction industry. Projects handled by Henderson include notable home improvements and renovations throughout the greater North Hills area. His long tenure in the field is marked by consistent service to homeowners seeking expertise in remodeling and repair work. Henderson specializes in a variety of trades relevant to residential properties, tailoring solutions to the specific needs of each project. With nearly three decades of active work, Henderson’s background demonstrates a broad understanding of both traditional and current construction practices for homes in Los Angeles County. Homeowners regularly turn to him for consultation and execution on interior and exterior upgrades in North Hills and nearby neighborhoods.
WILLIAM HENDERSON Services
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WILLIAM HENDERSON Contact Information
Phone Number: (818) 894-1917
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Address: 8757 HASKELL AVENUE, North Hills, CA 91343
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WILLIAM HENDERSON North Hills
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
WILLIAM HENDERSON has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that WILLIAM HENDERSON has worked on at least
4.0 projects over the past 3 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
|
$20k-$50k |
|
1 project
|
$250k-$500k |
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.
1st fl. converting storage to living space with (n) living room kitchen full bathroom office and storage. 2nd fl. converting (e) kitchen to (n) primary bathroom remodeling (e) bathroom adding (n) laundry den storage and bedroom. 3rd fl. remodeling (e) bathroom adding (n) half bathroom laundry and
Valuation:
$320,000
Permit #:
202412176947
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over new solid sheathing (20) squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roofing rating council (crrc). cool roof may be required... see more
Valuation:
$5,000
Permit #:
24016-20000-14209
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert (e) storage and carport and addition into adu per ordinance and lamc 12.22 a 33(c)&(d)
Valuation:
$75,000
Permit #:
22014-10000-04501
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert the (e) rec. room into a (n) accessory dwelling unit
Valuation:
$20,000
Permit #:
21016-20000-06799
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bedroom and bathroom addition to (e) single family dwelling
Valuation:
$30,000
Permit #:
22014-10000-04502
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 21016-20000-06799 to convert storage to adu
Valuation:
$20,000
Permit #:
21016-20001-06799
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Kitchen remodel
Valuation:
$35,000
Permit #:
B23-00624
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Electrical panel upgrade from 100 amp to 200 amp. new hose bib
Valuation:
N/A
Permit #:
20042-90000-11254
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Upgrade panel to 100 amp to 200 amp
Valuation:
N/A
Permit #:
20041-90000-20183
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Upgrade main service to 200a
Valuation:
N/A
Permit #:
19041-20000-01953
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace lav
Valuation:
N/A
Permit #:
19042-20000-01368
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change electric box 100 amps
Valuation:
N/A
Permit #:
18041-10000-02259
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change electric box 100 amps
Valuation:
N/A
Permit #:
18041-10000-02259
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace fixtures
Valuation:
N/A
Permit #:
18042-10000-01665
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace fixtures
Valuation:
N/A
Permit #:
18042-10000-01665
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert (e)13 x 13 portion of garage into recreation room with half bathroom and remaining 18 x 18 portion of garage into storage. no access permitted between recreation room and storage
Valuation:
N/A
Permit #:
12014-20000-02955
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re roof house & garage w/class a comparable shingle (tear off exist roof) co and smoke alarm required
Valuation:
N/A
Permit #:
BMN2012-00877
Status:
final
Fee:
N/A
Permit Type:
Roof
Building Type:
N/A
Tear off (e) roof apply 1/2 osb install composition shingles class a. 17sqs. smoke detectors required
Valuation:
N/A
Permit #:
02016-20000-20173
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition 9 x 18 one car carport to (e)single family dwelling per city standard detail p/bc 2011-005
Valuation:
N/A
Permit #:
12014-20000-03638
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Extension of existing bedroom and existing dining room related electrical and hvac
Valuation:
N/A
Permit #:
97014-20000-00674
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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WILLIAM HENDERSON License info
Verified License
| License # | 608052 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for WILLIAM HENDERSON 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
16
Permits
- Building permit records show that WILLIAM HENDERSON has worked on 16 permitted projects.
WILLIAM HENDERSON Employees
WH
William Henderson
Sole Owner
WH
William Henderson
Owner