Updated: May 11, 2026
Location and Projects
Address
1130 BURNETT AVE STE N, Concord, CA, 94520
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Window Station
Window Station, 1130 Burnett Ave, Concord, CA (Employees: Igor Sverdlik, Igor Sverdlik, and Leonid Elbert) holds a Glazing license and 1 other license according to the California license board.
Their BuildZoom score of 113 ranks in the top 3% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Window Station, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Window Station Contact Information
Phone Number: (213) 235-4143
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Address: 1130 BURNETT AVE STE N, Concord, CA 94520
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Window Station Concord
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Window Station has a BuildZoom score of 113, which places them above 97% of 336,931 contractors in California.
Activity
|
30 projects
|
2025 |
|
40 projects
|
2024 |
|
34 projects
|
2023 |
Our building permit records indicate that Window Station has worked on at least
104.0 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
|
97 projects
|
Door and windows installations |
Analyzing permits over the last 4 years shows that Window Station mostly works on
door and windows installation
projects.
Pricing
|
3 projects
|
< $5k |
|
49 projects
|
$5k-$20k |
|
30 projects
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $18,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Window replacement in kind at upper residential unit- 12 marvin windows aluminum wood clad. 8 windows double hung and 4 picture windows. visible from the street. no work to ground floor business. windows are same size same location & same type. maintain eero per cbc 1031 as required.u
Valuation:
$29,700
Permit #:
202309257323
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Replacement of 6 windows- visible from the street. new windows- marvin ultimate clad wood windows. (5) windows not street visible from the street. the design (with full simulated divivded lites above) and operation. the design will be the same as existing windows with same sql. 5 windows not visible
Valuation:
$27,000
Permit #:
202401123877
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Replace 4 aluminum window in kind. street facing. u=0.3max
Valuation:
$11,500
Permit #:
202312212937
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
17 windows replacement. new windows- dh fiberglass frame windows. all windows are visible from the street
Valuation:
$50,000
Permit #:
202501168451
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Replace in kind 11 marvin wood clad window (visible from the street) and 17 vinyl not visible from the street. in-kind replacement. no rough opening changes. u-factor not to exceed 0.30
Valuation:
$40,000
Permit #:
202409060288
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
9 windows replacement with a vinyl frame 1) 30"x 48 casement bedroom1 2) 75"x 48 picture window bedroom1 3) 36"x 24 picture window stairs 4) 30"x 36 single hung office 5) 36"x 54 single hung bedroom 6) 30"x 36 single hung basement 7) 36"x 48 single hung basement - 2 windows 8) 36"x 42 single hung garage all windows with u factor < 0.3
Valuation:
$12,746
Permit #:
BISUB22-02871
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
9 windows replacement with a vinyl frame 1) 30"x 48 casement bedroom1 2) 75"x 48 picture window bedroom1 3) 36"x 24 picture window stairs 4) 30"x 36 single hung office 5) 36"x 54 single hung bedroom 6) 30"x 36 single hung basement 7) 36"x 48 single hung basement - 2 windows 8) 36"x 42 single hung garage all windows with u factor < 0.3
Valuation:
$12,746
Permit #:
BIAL22-009580
Status:
final
Fee:
$526
Permit Type:
N/A
Building Type:
N/A
Install (9) wood/aluminum clad replacement windows full-frame tear-outs no size/location changes
Valuation:
$21,469
Permit #:
B2025-00300
Status:
issued
Fee:
$1,266
Permit Type:
N/A
Building Type:
N/A
Replacement of the 12 windows visible from the street all new windows marvin ultimate clad wood windows double hung. (max. u-factor=0.30)
Valuation:
$30,000
Permit #:
202509225803
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replace 13 from wood clad window in kind and 6 vinyl window not visible from street. (max. u-factor=0.30)
Valuation:
$30,000
Permit #:
202505076016
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replacement of (7)nstreet facing windows within same wood frames and with same mutin pattern. 3 street facing windows in bedroom on the west end of the house; and 4 in the living room (2 on either side of the fire place facing the street)
Valuation:
$13,000
Permit #:
BW22-0261
Status:
final
Fee:
$886
Permit Type:
N/A
Building Type:
N/A
Replace 5 marvin wood window in kind visble from the street; and 5 vinyl not visible from the street. in-kind replacement. no rough opening changes. u-factor not to exceed 0.30
Valuation:
$20,000
Permit #:
202409060290
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replace 6 marvin wood windows visible from street and 4 marvin 7 vinyl windows not visible from street in kind within the same opening. total 17 windows. max u-factor 0.30
Valuation:
$27,000
Permit #:
202406043666
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replace 14 windows 2 front wood(visible from street) and 12 wood clad by marvin(not visible from street)
Valuation:
$82,000
Permit #:
202507160954
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replace 14 windows 2 front wood(visible from street) and 12 wood clad by marvin(not visible from street)
Valuation:
$82,000
Permit #:
202507160954
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
7 marvin wood clad windows sdl grids. in kind. visible from street. 12 milgard fiberglass windows. not visible from street 6 vinyl windows. not visible from street. same size same locations max u-factor 0.30
Valuation:
$50,000
Permit #:
202310249368
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replacing 3 front windows for new energy efficient in kind windows in wood cladding material. same size and location. same window type. u factor 0.30 max. no structural work
Valuation:
$6,000
Permit #:
202310259487
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Unit 2 - replace (4) vinyl windows in kind at rear of building not visible from street
Valuation:
$10,000
Permit #:
202504094031
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Unit #1: replace 19 vinyl windows visible and not visible from street in-kind
Valuation:
$30,000
Permit #:
202503051617
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Replace (9) marvin wood clad windows in kind visible from the street
Valuation:
$22,000
Permit #:
202502120161
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
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Verified License
BuildZoom confirmed this contractor's license
Window Station License info
Verified License
| License # | 976606 |
| Status | Active |
| State | California |
| Type | Glazing |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Window Station at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 882446 |
| Status | Active |
| State | California |
| Type | Glazing |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Window Station at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
Bonded
| Bonded Agent | Business Alliance Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Security National Insurance Company |
383
Permits
- Building permit records show that Window Station has worked on 383 permitted projects.
Window Station Employees
IS
Igor Sverdlik
Sole Owner
IS
Igor Sverdlik
Officer
LE
Leonid Elbert
Officer
LE
Leonid Elbert
Officer
VP
Vadim A Piskunoff
Officer