Updated: Jun 27, 2026
Location and Projects
Address
4727 WEST AVENUE L-12, Quartz Hill, CA, 93536
Use our bidding system to
request a quote
Builders Unlimited Construction
Serving Quartz Hill and the surrounding Antelope Valley region, Builders Unlimited Inc delivers general contracting services for both residential and commercial projects. The company’s portfolio highlights work on home additions, remodels, tenant improvements, and ground-up construction. Builders Unlimited Inc works with a range of property types, including single-family residences and local businesses. The contractor provides project management from planning through completion, coordinating with architects and engineers as required. Based in Quartz Hill, the firm is familiar with regional building codes and processes in communities across Los Angeles County. Builders Unlimited Inc focuses on meeting client specifications for scope, budget, and schedule, using licensed trades for each phase of construction. The company draws on local experience to manage permits and inspections for projects of varying complexity.
Builders Unlimited Inc Services
Start a project today:
Builders Unlimited Inc Contact Information
Phone Number: (714) 707-0758
Edit
Address: 4727 WEST AVENUE L-12, Quartz Hill, CA 93536
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Builders Unlimited Inc Quartz Hill
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Builders Unlimited Inc has a BuildZoom score of 105, which places them above 92% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
7 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that Builders Unlimited Inc has worked on at least
23.0 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.
Experience
|
6 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Builders Unlimited Inc mostly works on
home addition
projects.
Pricing
|
2 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
6 projects
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
The typical size of their permits is approximately $35,000. This graph shows the distribution of these job values.
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 Builders Unlimited Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tear off 3 156 sq.ft.of asphalt shingles at first floor roof and second floor roof nail existing plywood 6''o.c perimeter and field. replace with new presidential shake 50 yrs asphalt shingles new galvanized roof jacks and o hagen low-profile attic vents down low and ridge vents at ridge. copper flashing roof to wall where needed copper gutters and down spouts
Valuation:
$41,000
Permit #:
RW25-0227
Status:
issued
Fee:
$713
Permit Type:
N/A
Building Type:
N/A
Tear off 2 820 sq.ft. of asphalt shingles replace with new presidential shake 50 yr double tab asphalt shingles new roof jacks flashing roof to wall where needed hip and valley copper flashing and o'hagin low-profile attic vents where needed
Valuation:
$39,880
Permit #:
RW25-0006
Status:
final
Fee:
$483
Permit Type:
N/A
Building Type:
N/A
Tear off (e) shingles and reroof (n) commercial shingles not replacing the plywood sheathing 1 200 sq. ft. garage attached remove gas fireplace and install electric. install new dedicated circuit for fireplace cap gas and repair dryrot
Valuation:
$23,300
Permit #:
BRALT-25-0019
Status:
complete
Fee:
$997
Permit Type:
Fireplace
Building Type:
N/A
29'6"x 19 irregular shaped 1st floor addition 33'5"x47 irregular shaped 2nd floor addition 15'x47 trellis and major interior & exterior remodel to (e) single family dwelling. nfpa-13d fire sprinklers req'd
Valuation:
$400,000
Permit #:
18014-20000-00821
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Tear off 1, 532 sq ft of existing first floor only and no second floor roof. addition new radiant barrier 1/2 4x8 osb plywood to existing roof nail 16d gun nails to penetrate existing 1x6 replace with 30 yr dimensional asphalt shingles new roof jacks flashing where needed. fix drywall bathroom window reveals damaged by water primer and paint
Valuation:
$20,974
Permit #:
RW24-0418
Status:
final
Fee:
$609
Permit Type:
N/A
Building Type:
N/A
Minor interior remode l-- 8 units apartment. units: #101 102 103 104 212 213 214 215 a) relocate existing subpanel 125a b) addition new smoke detector/carbon monoxide combo to all bedrooms c) replace exhaust fans in bathroom
Valuation:
$35,000
Permit #:
BL-RES-2024-00349
Status:
filed
Fee:
$624
Permit Type:
N/A
Building Type:
N/A
155sf rear addition to extend existing bedroom #3 relocate bathroom #2 and addition a walk in closet
Valuation:
$70,000
Permit #:
BRADD-25-0004
Status:
complete
Fee:
$3,569
Permit Type:
N/A
Building Type:
N/A
Remodel existing kitchen and two bathrooms including all new cabinets fixtures and fittings. relocate wall of lower level bedroom and addition window and create closet. new sliding patio door and new window at den. new windows in kitchen. 650 sq ft (bldg/mech/elec/plumbing)
Valuation:
$90,000
Permit #:
CB21-0402
Status:
final
Fee:
$5,032
Permit Type:
N/A
Building Type:
N/A
Unit # 326 a) relocate existing sub-panel 125a. b) addition new smoke detector carbon monox. combo to all bedrooms & hallway c) replace existing exhaust fans in the bathrooms d) replace wall insulation
Valuation:
$20,000
Permit #:
BL-RES-2024-00292
Status:
issued
Fee:
$1,067
Permit Type:
N/A
Building Type:
N/A
Unit # 325 a) relocate existing sub-panel 125a. b) addition new smoke detector carbon monox. combo to all bedrooms & hallway c) replace existing exhaust fans in the bathrooms d) replace wall insulation
Valuation:
$20,000
Permit #:
BL-RES-2024-00291
Status:
issued
Fee:
$1,067
Permit Type:
N/A
Building Type:
N/A
Unit # 324 a) relocate existing sub-panel 125a. b) addition new smoke detector carbon monox. combo to all bedrooms & hallway c) replace existing exhaust fans in the bathrooms d) replace wall insulation
Valuation:
$20,000
Permit #:
BL-RES-2024-00290
Status:
issued
Fee:
$1,067
Permit Type:
N/A
Building Type:
N/A
Unit#323 a) relocate existing sub-panel 125a. b) addition new smoke detector carbon monox. combo to all bedrooms & hallway c) replace existing exhaust fans in the bathrooms d) replace wall insulation
Valuation:
$20,000
Permit #:
BL-RES-2024-00289
Status:
issued
Fee:
$1,067
Permit Type:
N/A
Building Type:
N/A
Voluntary structure strengthening: 18 feet foundation wall underpinning. replce 6 post and post footing. install 2 simpson strong shear wall over n concrete foundation
Valuation:
$52,000
Permit #:
202108247051
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Upgrade accessibility in existing apartment bldg; renovate all 32 units on first floor to public housing requirements; provide accessible parking and route to first floor. new lobby entry and ada lift. new covered entry strcture
Valuation:
$1,711,000
Permit #:
18016-10000-17148
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Repair water damage like to like. relocate sub-panel; replace exhaust fans in kitchen & bathroom; addition gfci in kitchen & bathroom. sheetrock complete unit
Valuation:
$22,000
Permit #:
BL-RES-2024-00129
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
On third floor convert existing storage area within the apartment building into an adu......area = 502sf.....new apartment. or adu # is #335
Valuation:
$89,095
Permit #:
BL-NRES-2024-00023
Status:
triage
Fee:
$5,237
Permit Type:
N/A
Building Type:
N/A
This permit is to a) convert existing main apartment office into new 502 sf adu on 1st floor #100
Valuation:
$89,095
Permit #:
BL-NRES-2024-00020
Status:
triage
Fee:
$5,523
Permit Type:
N/A
Building Type:
N/A
Tear off 1, 732 sq ft of existing front porch and second floor asphalt roof and replace with 30 yr dimensional asphalt shingles new roof jacks new drain outlets flashing where needed
Valuation:
$28,150
Permit #:
RW23-0279
Status:
final
Fee:
$349
Permit Type:
N/A
Building Type:
N/A
Dry rot repair at front wall of existing house and front porch. remove stucco repair dry rot and water proof front porch with westcoat waterproofing. like for like restucco front wall of existing house and paint to match existing (bldg)
Valuation:
$15,000
Permit #:
B20-0737
Status:
final
Fee:
$1,146
Permit Type:
N/A
Building Type:
N/A
Convert existing storage area on 2nd floor inside the apartment building into an adu....it will be apartment. #234 -------502sf area
Valuation:
$89,095
Permit #:
BL-NRES-2024-00022
Status:
triage
Fee:
$5,237
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
185
BZ Score
$9.9K
Avg Project
-
Projects
212
BZ Score
$40K
Avg Project
-
Projects
192
BZ Score
$27.9K
Avg Project
-
Projects
Builders Unlimited Inc Reviews
BuildZoom hasn't received any reviews for Builders Unlimited Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
Builders Unlimited Inc License info
Verified License
| License # | 320772 |
| Status | Active |
| State | Arizona |
| Type | General Dual |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Builders Unlimited Inc at the Arizona Registrar of Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 794116 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Builders Unlimited Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 894212 |
| Status | Active |
| State | California |
| Type | General Building, Concrete |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Builders Unlimited Inc 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-72208-3 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Corporation, 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 Builders Unlimited Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-72208-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Corporation, 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 Builders Unlimited Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 732746 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- According to the California Contractors State License Board, 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 Builders Unlimited Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 686039 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation, Sole Ownership |
- According to the California Contractors State License Board, 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 Builders Unlimited Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
190
Permits
- Building permit records show that Builders Unlimited Inc has worked on 190 permitted projects.
Builders Unlimited Inc Employees
AD
Arturo Pelayo Diaz
Officer
GD
Gregorio Pelayo Diaz
Rmo/Ceo/Pres
HF
Henry Allen Ford
Sole Owner
JW
John Conrad Wane
Officer
LC
Luis Enrique Cruz
Sole Owner
SW
Steven Clarence Wane
Sole Owner