Updated: Oct 27, 2025
Location and Projects
Address
15760 VENTURA BLVD #828, Encino, CA, 91436
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Twenty First Century Roofing
Twenty First Century Roofing at 15760 VENTURA BLVD #828, Encino, CA 91436, held a Roofer license (#763474) with the California contractors license board with an expiration date of 05-31-2003. We last verified the license was expired on 10-26-2025.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
Twenty First Century Roofing Contact Information
Phone Number: (818) 981-4500
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Address: 15760 VENTURA BLVD #828, Encino, CA 91436
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Building Permits by Twenty First Century Roofing
This is a sample of this contractor's permits. Click here to access their complete permit history.
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing (25 ) 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 re... see more
Valuation:
$13,000
Permit #:
21016-20000-03365
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Reroof with 15 sqrs comparable shingle roofing. existing solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-residential buildings per title 24 part 6 section 149(b)
Valuation:
$3,000
Permit #:
21016-90000-55191
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Reroof with 23 sqrs comparable shingle roofing over new solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-residential buildings per title 24 part 6 section 149(b)
Valuation:
$6,900
Permit #:
20016-90000-10593
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b material weighing less than 6 pounds per sq. ft. over existing solid sheathing 20 squares. 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 for non-residential buildings per title 24 part 6 section 141.0(b)2b
Valuation:
$10,500
Permit #:
19016-20000-09312
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b material weighing less than 6 pounds per sq. ft. over existing solid sheathing 20 squares. 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 for non-residential buildings per title 24 part 6 section 141.0(b)2b
Valuation:
$20,000
Permit #:
18016-20000-39788
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b material weighing less than 6 pound per sq. ft. over existing solid sheathing 28 squares. for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roofing rating council (ccrc). cool roof may be required for non-residential buildings per title 24 part 6 section 149(b)
Valuation:
$10,500
Permit #:
18016-20000-02627
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b material weighing less than 6 pounds per sq. ft. over existing solid sheathing 4 squares. 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 for non-residential buildings per title 24 part 6 section 149(b)
Valuation:
$2,100
Permit #:
18016-20000-00034
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Roof flat roof area repair and reuse replace parapet tile with existing tile. kris agardi 01/17/2019
Valuation:
N/A
Permit #:
BROOF1901126
Status:
final
Fee:
N/A
Permit Type:
Dwelling/duplex
Building Type:
N/A
Roof single family dwelling
Valuation:
N/A
Permit #:
BROOF2105236
Status:
final
Fee:
N/A
Permit Type:
Dwelling/duplex
Building Type:
N/A
Roof garage
Valuation:
N/A
Permit #:
BROOF2105235
Status:
final
Fee:
N/A
Permit Type:
Detached garage
Building Type:
N/A
Tear off reroof 15 sq
Valuation:
$4,216
Permit #:
B20-000-788
Status:
final
Fee:
$324
Permit Type:
Roof
Building Type:
N/A
Re-roof with class a or b material weighing less than 6 pounds per sq. ft. over existing solid sheathing. 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 for non-residential buildings per title 24 part 6 section 149(b)
Valuation:
$11,800
Permit #:
16016-20000-26953
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Reroof with 30 sqrs comparable shingle roofing. existing solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-residential buildings per title 24 part 6 section 149(b)
Valuation:
$6,000
Permit #:
16016-90000-01432
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Reroof with 24 sqrs built up roofing. existing solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-residential buildings per title 24 part 6 section 149(b)
Valuation:
$4,800
Permit #:
15016-90000-26455
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b material weighing less than 6 pound per sq. ft. for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-residential buildings per title 24 part 6 section 149 (b)
Valuation:
$11,515
Permit #:
15016-10000-15103
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
3000 sf reroof sfd/gar; tear off (e) comparable shngle roof 1 lyr and reroof with 1 lyr (n) class a timblerln hd ref.shngles , replace (e) sheathing where needed, icc#esr1475 360psf
Valuation:
$9,950
Permit #:
1702100006
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential reroof as follows:- - - estimated cost of re-roof: 1900. - this is a change of roofing material (y/n): n - proposed roofing material: bur - squares (100 sf) being installed: 70 - tear off existing (y/n): y - existing layers of roofing: 2 - new sheathing being installed (y/n): n - high fire hazard zone (y/n): n - - note: all tear-offs require solid sheathing. install min. 3... see more
Valuation:
N/A
Permit #:
BR20080048
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Re-roof residence - remove (e) roof. install (1) layer class comparable shingles on pitched roof area and 2-ply built-up on flat roof area 688 sq ft
Valuation:
$1,000
Permit #:
1708090076
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Multi family building permit - reroof 30 sqs: tear off existing roof and install gaf reflective shingles (class a") (1) layer of #15 felt 1/2 in plywood as needed slope: 4/12
Valuation:
$5,039
Permit #:
BLD18-00838
Status:
complete
Fee:
$194
Permit Type:
N/A
Building Type:
N/A
Ar
2350 Florencita Av, CA
2016-09-01
Remove (e) comparable shingles on roof and reroof with gaf dimensional shingles on 16 squares of house and attached garage
Valuation:
$9,000
Permit #:
1609010011
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Twenty First Century Roofing License info
Inactive License
| License # | 763474 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | 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 Twenty First Century Roofing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 674097 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | 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 Twenty First Century Roofing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 584315 |
| Status | Inactive |
| State | California |
| Type | General Building, Roofing |
| Business Type | 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 Twenty First Century Roofing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are Twenty First Century Roofing, click “This is My Business” to update your information.
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
115
Permits
- Building permit records show that Twenty First Century Roofing has worked on 115 permitted projects.
Twenty First Century Roofing Employees
AJ
Albert Harris Gersten Jr
General Partner
CY
Chong Im Yi
Sole Owner
JW
Joseph Allan Woodward
Sole Owner
LC
Louis Simon Cohen
Qualify Partner
MC
Martin Darwin Collier
Rmo / Ceo / Pres
SG
Stephen John Geiger
General Partner
VC
Valerie Lynne Collier
Officer