Updated: Jun 26, 2026
Location and Projects
Address
5271 W AVENUE M8, Quartz Hill, CA, 93536
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William H Finnegan Construction
Serving Quartz Hill and surrounding areas in California, William H Finnegan specializes in residential construction and remodeling projects. With 13 years of experience in the industry, the company handles a range of home improvement services, including additions, renovations, and interior updates. Projects have included work on kitchens, bathrooms, and living spaces for homeowners seeking to update or expand their properties. William H Finnegan is known for managing all aspects of construction, from initial planning through project completion, and works directly with clients throughout the process. The company’s portfolio features collaboration on single-family homes and custom projects tailored to client specifications. Their local expertise extends across Lancaster and other neighborhoods near Quartz Hill.
William H Finnegan Services
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William H Finnegan Contact Information
Phone Number: (661) 728-7135
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Address: 5271 W AVENUE M8, Quartz Hill, CA 93536
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William H Finnegan Reviews
5 out of 5 stars, based on
1
review
-
By Tim E.December 28, 2016Exterior Paint$9501 day
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tenant improvement. work in 1 032 sq. ft total suite in existing restaurant area installation of new prep sink and (3) comparable sink. addition new kitchen equipment
Valuation:
N/A
Permit #:
PMT19-03474
Status:
final
Fee:
$805
Permit Type:
N/A
Building Type:
N/A
**eplan** remove existing walls and addition a service counter
Valuation:
$30,000
Permit #:
21016-10000-04903
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Various interior wall openings to install future equip
Valuation:
$14,230
Permit #:
B18-00984
Status:
expired
Fee:
$814
Permit Type:
N/A
Building Type:
N/A
No change to the existing use. addition of 33lf of non-load bearing walls and 3 of fire rated infill on the east wall. addition new gas powered stove tops and grills. replace existing type 2 hoods with new type 1 hoods
Valuation:
N/A
Permit #:
PMT21-02741
Status:
final
Fee:
$1,328
Permit Type:
N/A
Building Type:
N/A
Create new suite 103. addition of 33lf of non-load bearing walls and 3 of fire rated infill on the east wall. unit 103
Valuation:
N/A
Permit #:
PMT21-05288
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel to remove partation walls between master bedroom & master bathroom and relocate closet. drop the ceiling and insulation
Valuation:
$21,164
Permit #:
13016-20000-21370
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Altres: change out (6) windows. min shgl 25. u factor shall not exceed 0.32 all original stickers must remain on windows until after inspection. all bedroom windows must meet egrees requirements
Valuation:
N/A
Permit #:
15-02125
Status:
final
Fee:
$104
Permit Type:
N/A
Building Type:
N/A
Altres: replace (6) windows; u factor shall not exceed 0.32 shgc 25; all original stickers must remain on windows until after inspection; all bedroom windows must meet egress requirements
Valuation:
N/A
Permit #:
15-02369
Status:
final
Fee:
$52
Permit Type:
N/A
Building Type:
N/A
600 sq ft patio per standard half tile & half lattice
Valuation:
N/A
Permit #:
B19-00999
Status:
final
Fee:
$250
Permit Type:
N/A
Building Type:
N/A
Relocate register (1) install bathroom vent
Valuation:
N/A
Permit #:
13044-20000-11719
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install bathroom fixtures and water heater
Valuation:
N/A
Permit #:
13042-20000-21160
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Lights switches outlets
Valuation:
N/A
Permit #:
13041-20000-30291
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Wall repair
Valuation:
N/A
Permit #:
B18-00385
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Plumbing: for tenant improvement. camille's restaurant; 22 fixtures; 2 water heaters; backflow preventer
Valuation:
N/A
Permit #:
13-01794
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Interior remodel to remove partation walls between master bedroom & ma
Valuation:
$21,164
Permit #:
13016-20000-21370
Status:
final
Fee:
N/A
Permit Type:
1 or 2 Family Dwe...
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
13041-20000-30291
Status:
final
Fee:
N/A
Permit Type:
1 or 2 Family Dwe...
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
13044-20000-11719
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
13042-20000-21160
Status:
final
Fee:
N/A
Permit Type:
1 or 2 Family Dwe...
Building Type:
N/A
Altcom: 500sf over-the-counter tenant improvement; remove stairway toilet accessibility redo lighting in ceiling
Valuation:
N/A
Permit #:
14-02662
Status:
expired
Fee:
$475
Permit Type:
N/A
Building Type:
N/A
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William H Finnegan License info
Verified License
| License # | 920426 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for William H Finnegan at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Everest Premier Insurance Company |
10
Permits
- Building permit records show that William H Finnegan has worked on 10 permitted projects.
William H Finnegan Employees
WF
William Henry Finnegan
Sole Owner
They came out to the house and painted exterior trim and detail work! It was fantastic to watch the 3 man crew work so well in some not so warm temperatures in December! Excellent work, super professional and very polite. I have already recommended them to my neighbors on both sides of my property!