Updated: May 20, 2026
Location and Projects
Address
PO BOX 9311, Calabasas, CA, 91372
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20th Century Construction Inc
Serving Calabasas and surrounding Los Angeles communities, 20th Century Construction Inc brings over four decades of industry experience to residential and commercial building projects. The company specializes in both new construction and remodeling, handling a range of project types from single-family home renovations to office and retail build-outs. Throughout its 42 years in operation, 20th Century Construction Inc has been involved in general contracting, project management, and site development, adapting its construction services to meet the needs of various property owners and developers in the region. Their portfolio includes structural upgrades, interior finish work, and property expansions for both private homeowners and commercial clients. This long-standing presence in the Southern California construction market reflects the company's established role in managing building projects of varying complexity and scale.
20th Century Construction Inc Services
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20th Century Construction Inc Contact Information
Phone Number: (818) 887-2084
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Address: PO BOX 9311, Calabasas, CA 91372
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20th Century Construction Inc Calabasas
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
20th Century Construction Inc has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that 20th Century Construction Inc has worked on at least
3.0 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.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
$100k-$250k |
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 20th Century Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Demolish 1'-0 x 9'-3 and 12'- 0 x 12'-9 1/2 irrg. addition and 4'-0 x 11'-1 and 3'-6 x 3'-7 additions to expand bedroom mechanical room and interior remodel to the kitchen and laundry. all work per engineering. see comments
Valuation:
$50,000
Permit #:
17014-20000-05866
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Interior kitchen remodel/repair (no changes in walls or openings)
Valuation:
$149,720
Permit #:
23016-90000-24197
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Gpi preinspection for addition & int remodel
Valuation:
N/A
Permit #:
24030-20000-01513
Status:
complete
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace kitchen cabinets minor electrical and plumbing work (kitchen remodel)
Valuation:
N/A
Permit #:
99016-20000-06477
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Proposed 12 x 16 detached covered patio per engineering
Valuation:
$20,000
Permit #:
18010-20000-06316
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace (e) bathroom exhaust fans
Valuation:
N/A
Permit #:
14044-20000-01188
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
No Description Available
Valuation:
$1,469
Permit #:
95-5173/000 000 B 00
Status:
complete
Fee:
$162
Permit Type:
Single family dwl...
Building Type:
One family reside...
No Description Available
Valuation:
N/A
Permit #:
14044-20000-01188
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace 2 window(s). same size location number type. replace 1 door(s). same size location number type. interior kitchen remodel/repair (no changes in walls or openings)
Valuation:
$96,002
Permit #:
16016-90000-16187
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
No Description Available
Valuation:
$795
Permit #:
02-6851/000 000 B 00
Status:
complete
Fee:
$75
Permit Type:
Single family dwl...
Building Type:
Residential plann...
Window (15) and door (1) 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:
N/A
Permit #:
12016-20000-16576
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Single family residence master bathroom remodel 175 sf and 10 lineal ft interior wall for closet in master bedroom
Valuation:
N/A
Permit #:
C13-000875
Status:
complete
Fee:
$1,032
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel for residential buildings (no structural changes). install lights in bathroom. window and door change-out (same size & type and location) for residential buildings. valuation to be verified by field inspector. dual glazing labeled and certified by national fenestration rating council (nfrc) is required for doors and windows replaced in all residential buildings three s... see more
Valuation:
N/A
Permit #:
09016-20000-04822
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Kitchen and bathroom remodel for residential buildings (no structural changes). related electrical and plumbing. window and door change-out (same size & type and location) for residential buildings. valuation to be verified by field inspector. dual glazing labeled and certified by national fenestration rating council (nfrc) is required for doors and windows replaced in all residential... see more
Valuation:
N/A
Permit #:
10016-20000-01054
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Door change-outs (2) (same size type and location) 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 52(b) of title 24. valuation to be verified by field inspector
Valuation:
N/A
Permit #:
08016-20000-18812
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Kitchen remodel for residential buildings (no structural changes). window change-out (same size & type and location) for residential buildings. valuation to be verified by field inspector. 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 ... see more
Valuation:
N/A
Permit #:
09016-20000-08327
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Kitchen/bathroom remodel for residential buildings (no structural changes). door change-out (same size & type and location) for residential buildings. valuation to be verified by field inspector. 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... see more
Valuation:
N/A
Permit #:
08016-20000-11051
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bathroom remodel for residential buildings (no structural changes). window change-out (same size & type and location) 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. no structural changes. valuation t... see more
Valuation:
N/A
Permit #:
08016-20000-19616
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Door change-outs (2 patio same size type and location) for residential buildings. dual glazing labeled and certified by national fenestration rating council (nfrc) is er section 52(b) of title 24. valuation to be verified by field inspector
Valuation:
N/A
Permit #:
09016-20000-18666
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Comply with department order effective date 06/21/2005. permit will expire 30 days from issuance date. change out 7 windows 1 patio door 3 exterior doors (same size type). valuation to be verified by field inspector
Valuation:
N/A
Permit #:
05016-20000-12516
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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20th Century Construction Inc License info
Verified License
| License # | 827011 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for 20th Century Construction Inc 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 | Benchmark Insurance Company |
446
Permits
- Building permit records show that 20th Century Construction Inc has worked on 446 permitted projects.
20th Century Construction Inc Employees
DS
David Bruce Siegel
Rmo / Ceo / Pres