Updated: May 26, 2026
Location and Projects
Address
6021 S ABERDEEN, Littleton, CO, 80120
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Sinjon Associates Construction
Sinjon Associates Inc, 6021 S Aberdeen, Littleton, CO (Owned by: St John George A) holds a General C license and 2 other licenses according to the Douglas County license board.
Their BuildZoom score of 91 ranks in the top 37% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Sinjon Associates Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Sinjon Associates Inc Services
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Sinjon Associates Inc Contact Information
Phone Number: (303) 437-1338
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Address: 6021 S ABERDEEN, Littleton, CO 80120
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Building Permits by Sinjon Associates Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Kitchen remodel; tear off brick fireplace (non-structural) 300 sf
Valuation:
$24,750
Permit #:
B18-0206
Status:
final
Fee:
$1,210
Permit Type:
Miscellaneous
Building Type:
N/A
Kitchen remodel; tear off brick fireplace (non-structural) 300 sf
Valuation:
$24,750
Permit #:
B18-0206
Status:
final
Fee:
$1,210
Permit Type:
Miscellaneous
Building Type:
N/A
Innterior demolish of kitchen; no walls
Valuation:
$2,500
Permit #:
B18-0211
Status:
expired
Fee:
$26
Permit Type:
Single family det
Building Type:
N/A
Kitchen addition and covered patio
Valuation:
N/A
Permit #:
RES-18-00165
Status:
issued
Fee:
$3,515
Permit Type:
N/A
Building Type:
N/A
Basement finish(verify bathroom that was finished without permit) 2 bed rooms kitchen with electric range living room. addition new electrical service
Valuation:
$27,500
Permit #:
BLD-2016-01509
Status:
complete
Fee:
$880
Permit Type:
N/A
Building Type:
N/A
Remodel 3/4 bath&kitchen fan lighting rebuild nonbearing wal
Valuation:
$18,650
Permit #:
B15-0846
Status:
final
Fee:
$985
Permit Type:
Miscellaneous
Building Type:
N/A
Remodel kitchen & laundry 790 sq ft: electrical demolish walls
Valuation:
$64,938
Permit #:
B16-0686
Status:
expired
Fee:
$2,584
Permit Type:
Miscellaneous
Building Type:
N/A
Kitchen remodel; remove center wall/eng report ; new electrical pa
Valuation:
$66,000
Permit #:
B16-0034
Status:
final
Fee:
$2,617
Permit Type:
Miscellaneous
Building Type:
N/A
Kitchen remodel new recessed cans & outlets to code 100 sf
Valuation:
$17,800
Permit #:
B16-1003
Status:
final
Fee:
$900
Permit Type:
Miscellaneous
Building Type:
N/A
Kitchen remodel remove non-bearing wall remove fireplace;
Valuation:
$26,400
Permit #:
B19-0308
Status:
final
Fee:
$1,239
Permit Type:
Miscellaneous
Building Type:
N/A
Remodel kitchen & bath; demolish non-bearing wall 800 sq ft
Valuation:
$66,000
Permit #:
B17-0090
Status:
final
Fee:
$2,651
Permit Type:
Miscellaneous
Building Type:
N/A
Kitchen remodel 120 sq ft & electrical
Valuation:
$35,400
Permit #:
B17-0439
Status:
final
Fee:
$1,610
Permit Type:
Miscellaneous
Building Type:
N/A
Kitchen remodel; electrical service change; new lighting & outlets
Valuation:
$36,000
Permit #:
B14-0096
Status:
final
Fee:
$1,628
Permit Type:
Miscellaneous
Building Type:
N/A
Replace existing deck; same foot print; addition pergola
Valuation:
$9,500
Permit #:
B14-0505
Status:
final
Fee:
$490
Permit Type:
Miscellaneous
Building Type:
N/A
Kitchen remodel - 144 sq ft
Valuation:
$45,650
Permit #:
B15-0263
Status:
final
Fee:
$2,033
Permit Type:
Miscellaneous
Building Type:
N/A
Kitchen remodel new recessed cans & outlets to code 100 sf
Valuation:
$17,800
Permit #:
B16-1003
Status:
final
Fee:
$900
Permit Type:
Miscellaneous
Building Type:
N/A
Building new patio roof cover to replace existing cover
Valuation:
$13,000
Permit #:
74990
Status:
Complete
Fee:
$446
Permit Type:
N/A
Building Type:
R-1
Demolish existing patio cover on nw corner of house
Valuation:
$13,500
Permit #:
74985
Status:
Complete
Fee:
$20
Permit Type:
N/A
Building Type:
R-1
Remodel 3/4 bath&kitchen fan lighting rebuild nonbearing wal
Valuation:
$18,650
Permit #:
B15-0846
Status:
final
Fee:
$985
Permit Type:
Miscellaneous
Building Type:
N/A
Building wall/divide office in finance
Valuation:
$4,900
Permit #:
B13-0609
Status:
final
Fee:
$231
Permit Type:
Remodel
Building Type:
N/A
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Sinjon Associates Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Sinjon Associates Inc License info
Verified License
| License # | C180127 |
| Status | Active |
| County | Douglas County |
| Type | General C |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Sinjon Associates Inc at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | C00419 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 12-31-2025 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Sinjon Associates Inc at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
- According to the City and County of Denver Community Planning and Development, 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.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
39
Permits
- Building permit records show that Sinjon Associates Inc has worked on 39 permitted projects.
Sinjon Associates Inc Employees
GJ
George St John
Owner
JS
John St
SA
Sinjon Associates
Owner
SA
St John George A
Owner