Updated: Jan 29, 2026
Location and Projects
Address
3545 LOMITA BLVD UNIT A, Torrance, CA, 90505
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Tony Szik's Cornerstone Doors & Windows Inc
Tony Szik's Cornerstone Doors & Windows Inc, 3545 Lomita Blvd, Torrance, CA (Employee: Anthony Michael Szik) holds a General Building license according to the California license board.
Their BuildZoom score of 116 ranks in the top 2% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Tony Szik's Cornerstone Doors & Windows Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Tony Szik's Cornerstone Doors & Windows Inc Contact Information
Phone Number: (310) 325-4700
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Address: 3545 LOMITA BLVD UNIT A, Torrance, CA 90505
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Tony Szik's Cornerstone Doors & Windows Inc Torrance
Quality
116
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Tony Szik's Cornerstone Doors & Windows Inc has a BuildZoom score of 116, which places them above 98% of 336,931 contractors in California.
Activity
|
18 projects
|
2025 |
|
16 projects
|
2024 |
|
27 projects
|
2023 |
Our building permit records indicate that Tony Szik's Cornerstone Doors & Windows Inc has worked on at least
61.0 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
|
45 projects
|
Door and windows installations |
Analyzing permits over the last 4 years shows that Tony Szik's Cornerstone Doors & Windows Inc mostly works on
door and windows installation
projects.
Pricing
|
5 projects
|
< $5k |
|
1 project
|
$5k-$20k |
The typical size of their permits is approximately $2,625. 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.
Tony Szik's Cornerstone Doors & Windows Inc Reviews
5 out of 5 stars, based on
1
review
-
By MaryJune 12, 2017Verified Hire
Building Permits by Tony Szik's Cornerstone Doors & Windows Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
6 window(s). window and door 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 title 24 part 6 section 150.2(b)1b
Valuation:
$1,500
Permit #:
25016-90000-22679
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
9 window(s). window and door 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 title 24 part 6 section 150.2(b)1b. 7 door(s). window and door change-out (same size & type) for residential buildings. d... see more
Valuation:
$4,000
Permit #:
24016-90000-32407
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change out (9) windows and (1) door **there shall be no reduction of opening area for egress windows**
Valuation:
N/A
Permit #:
BLD25-00417
Status:
final
Fee:
$622
Permit Type:
N/A
Building Type:
N/A
19 window and 3 door 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 150.2(b) 1b of title 24
Valuation:
$16,500
Permit #:
21016-10000-09310
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Change out (15) windows (1) patio door like for like there shall be no reduction in opening area of egress windows
Valuation:
$8,000
Permit #:
BLD22-02133
Status:
complete
Fee:
$421
Permit Type:
N/A
Building Type:
N/A
>>as built<< change out (7) windows like for like
Valuation:
N/A
Permit #:
BLD25-00934
Status:
issued
Fee:
$336
Permit Type:
N/A
Building Type:
N/A
(4) window and (1) door 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 150.2(b) 1b of title 24
Valuation:
$4,698
Permit #:
20016-30000-32689
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change out (2) windows(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 150.2(b)1b of title 24
Valuation:
$1,500
Permit #:
19016-40000-38569
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Change out (3) windows like for like there shall be no reduction in opening area of egress windows
Valuation:
N/A
Permit #:
BLD23-00441
Status:
issued
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Villa anza - change out (8) windows and (6) patio doors same size and same location units 10 12-14 16 18 20 28 30 **there shall be no reduction of opening area in egress window**
Valuation:
$12,500
Permit #:
BLD17-02063
Status:
complete
Fee:
$568
Permit Type:
N/A
Building Type:
N/A
Retrofit 1 patio door 2 windows
Valuation:
N/A
Permit #:
RES2025-00227
Status:
final
Fee:
N/A
Permit Type:
Remodel
Building Type:
N/A
Change out (21) windows and (1) sliding door **there shall be no reduction of opening area in egress window**
Valuation:
$14,000
Permit #:
BLD22-00570
Status:
complete
Fee:
$609
Permit Type:
N/A
Building Type:
N/A
Change out (2) windows and (2) sliding doors **there shall be no reduction of opening area in egress window**
Valuation:
N/A
Permit #:
BLD22-00569
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition (146 sq ft) to living/dining room. remodel kitchen and (2) bathrooms change out fau
Valuation:
$45,000
Permit #:
PLM21-01045
Status:
final
Fee:
$47
Permit Type:
N/A
Building Type:
N/A
Window(62) windows 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 150.2)b)1b
Valuation:
$38,000
Permit #:
19016-40000-16637
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
(1) patio door c/o
Valuation:
N/A
Permit #:
RES2025-00244
Status:
final
Fee:
N/A
Permit Type:
Remodel
Building Type:
N/A
(1) entry door c/o
Valuation:
N/A
Permit #:
RES2025-00207
Status:
final
Fee:
N/A
Permit Type:
Remodel
Building Type:
N/A
Change out 2 windows(same size and 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 150.2(b)1b of title 24
Valuation:
$2,100
Permit #:
19016-40000-38572
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Window(1) 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 al residential buildings three stories or less per section 150.2(b)1b of title 24
Valuation:
$3,300
Permit #:
19016-40000-38571
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Window(2) change out(same size&type) for residential buildings. dual glazing labeled and certified by national fenestration rating council(nfrc)) is requirde for doors and windows replaced in all residential buildings three stories or less per section 150.2(b)1b of title 24
Valuation:
$2,100
Permit #:
19016-40000-38570
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Tony Szik's Cornerstone Doors & Windows Inc License info
Verified License
| License # | 565275 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Tony Szik's Cornerstone Doors & Windows Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
116
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Truck Insurance Exchange |
518
Permits
- Building permit records show that Tony Szik's Cornerstone Doors & Windows Inc has worked on 518 permitted projects.
Tony Szik's Cornerstone Doors & Windows Inc Employees
AS
Anthony Michael Szik
Sole Owner
Tony Szik's Cornerstone were terrific. On time, efficient, courteous, honest.