Updated: Mar 05, 2026
Location and Projects
Address
44391 STANRIDGE AVENUE, Lancaster, CA, 93535
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William Schaefer Construction Inc
William Schaefer Construction Inc operates in Lancaster, California, serving clients throughout the Antelope Valley and surrounding areas. With 25 years in the industry, the company specializes in residential and commercial construction projects. Project capabilities include new home construction, home additions, kitchen and bathroom remodels, as well as tenant improvements for commercial spaces. The firm works with property owners, developers, and business clients on both structural and interior renovation needs. Portfolio examples feature whole-house remodels, custom living spaces, and commercial build-outs designed to accommodate specific business requirements. William Schaefer Construction Inc manages each phase of the building process, from initial planning through final completion, using a combination of traditional and contemporary building materials to address varying client preferences.
William Schaefer Construction Inc Services
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William Schaefer Construction Inc Contact Information
Phone Number: (661) 810-5782
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Address: 44391 STANRIDGE AVENUE, Lancaster, CA 93535
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Building Permits by William Schaefer Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Convert 1 050 s.f. of previous kids-play area into rd-9 gym. scope of work includes the removal of and replacement of flooring and wall finishes removal of an exterior door and removal of plumbing lines and fixtures
Valuation:
N/A
Permit #:
BLD2020-04655
Status:
complete
Fee:
$1,484
Permit Type:
N/A
Building Type:
N/A
Tenant improvement daniel's jewelers expansion 763sqft ; no changes to main electrical
Valuation:
$155,000
Permit #:
BP-2022-15202
Status:
expired
Fee:
N/A
Permit Type:
Stores restaurant...
Building Type:
N/A
Expanding existing 24 hour fitness center into adjacent space. equipment will be relocated and new finishes will be installed 4/3/19: interior revisions --stamped new set of drawings
Valuation:
N/A
Permit #:
BIT18-013011
Status:
final
Fee:
$15,287
Permit Type:
N/A
Building Type:
N/A
Office ti: tenant- 24 hr fitness- converting existing raquetball court to private consulting rooms
Valuation:
$62,048
Permit #:
00834035-SBPT
Status:
issued
Fee:
$672
Permit Type:
N/A
Building Type:
N/A
Install prefabricated kiosk which required a standard electrical outlet
Valuation:
$14,000
Permit #:
B200331
Status:
final
Fee:
$465
Permit Type:
N/A
Building Type:
N/A
Per r.m.: pull permit for reroof of house fire damage (minimum drywall framing) 1 hr. inspection 20 squares for reroof per r.m
Valuation:
N/A
Permit #:
PMT18-01534
Status:
final
Fee:
$313
Permit Type:
N/A
Building Type:
N/A
Replace damaged beam in garage (existing (3) 2x12 replaced with 6x12) replace two water heaters
Valuation:
N/A
Permit #:
PMT17-05088
Status:
final
Fee:
$346
Permit Type:
N/A
Building Type:
N/A
Removal of existing wall/floor finishes and replace with new one. additional 5 electrical outlets change of room use from childcare to exercise room. no change in occupancy
Valuation:
$30,000
Permit #:
201911187601
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
38 - health studi...
New electrical outlets for 24hr fitness. move e sub panel. refer to pa 2019 1118 7601
Valuation:
N/A
Permit #:
E202001216890
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel of single family residence. convert closet space to create a bathroom convert exisiting bathroom to a bedroom. electrical for interior remodel to include 2 light fixtures 5 outlets 3 switches. ref: b01-00418
Valuation:
N/A
Permit #:
E01-00244
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel of single family residence. convert closet space to create a bathroom convert exisiting bathroom to a bedroom. ref: b01-00418. plumbing for remodel. 1 bathtub 1 shower 1 wash basin 1 toilet
Valuation:
N/A
Permit #:
P01-00176
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Cap off e drinking fountain. refer to pa 2019 1118 7601
Valuation:
N/A
Permit #:
PP20200121905
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior remodel of single family residence. convert closet space to create a bathroom convert exisiting bathroom to a bedroom. mechanical for remodel. ref: b01-00418. one vent fan for new bathroom
Valuation:
N/A
Permit #:
M01-00164
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition of approx. 1 000 sq.ft. to include 1 bathroom + kitchen family room/1 bedroom
Valuation:
N/A
Permit #:
04014-10000-10983
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Revise floor plan & roof framing plan. max 18 building ht. suppliemental to 04014-10000-10983
Valuation:
N/A
Permit #:
04014-10001-10983
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior remodel of single family residence. convert closet space to create a bathroom convert exisiting bathroom to a bedroom
Valuation:
$7,000
Permit #:
B01-00418
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolish for 24 hr fitness tenant improvement
Valuation:
N/A
Permit #:
17-2899/000 000 DEMO 00
Status:
issued
Fee:
$147
Permit Type:
Demolition commer...
Building Type:
Commercial planne...
No Description Available
Valuation:
$500,000
Permit #:
17-2430/000 000 PLMB 00
Status:
issued
Fee:
$14,841
Permit Type:
Tenant improvemen...
Building Type:
Commercial planne...
No Description Available
Valuation:
$500,000
Permit #:
17-2430/000 000 ELEC 00
Status:
issued
Fee:
$14,841
Permit Type:
Tenant improvemen...
Building Type:
Commercial planne...
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William Schaefer Construction Inc License info
Verified License
| License # | 1007854 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for William Schaefer Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | Business Alliance Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
11
Permits
- Building permit records show that William Schaefer Construction Inc has worked on 11 permitted projects.
William Schaefer Construction Inc Employees
WS
William George Schaefer
Rmo / Ceo / Pres