Updated: Jun 02, 2026
Location and Projects
Address
8450 W 191ST ST, Mokena, IL, 60448
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Sei Coatings Construction
Sei Coatings LLC, 8450 W 191st St, Mokena, IL (Owned by: Jeffrey Gerretse) holds a General Contractor (Class B) license and 5 other licenses according to the City of Chicago license board.
Their BuildZoom score of 93 ranks in the top 27% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Sei Coatings LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Sei Coatings LLC Services
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Sei Coatings LLC Contact Information
Phone Number: (815) 464-3053
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Address: 8450 W 191ST ST, Mokena, IL 60448
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Erect a new 2-story single family house plus basement (type 4a construction) with fence and garage per plans. -conditional permit subject to field verification
Valuation:
$150,000
Permit #:
100113136
Status:
complete
Fee:
$2,053
Permit Type:
N/A
Building Type:
N/A
Erect a new 2 story brick veneer s.f.r w basement w fence trash enclosure & detached 2 car garage as per plans. conditional permit pending field verification - loc = ; - bca15 = 12/0; - bca20 = 16/0; - bca>20 = 3/0; - svc1 = 1/120/240/1/3/200; - cdlvs1 = cable/0/1; - cdlvs2 = phone/0/1; - req-fire-alm = n; - req-em-sys = n; - req-maint = n; - resident = sanaa hachem; - phone1 = (773)2... see more
Valuation:
$275,000
Permit #:
100091993
Status:
complete
Fee:
$3,301
Permit Type:
N/A
Building Type:
N/A
Erect 3 story type 3b residential building w 18 units in pd#549 per plans. -conditional permit subject to field verification
Valuation:
$2,676,550
Permit #:
100091486
Status:
complete
Fee:
$12,953
Permit Type:
N/A
Building Type:
N/A
Interior alterations of 2nd floor technology center tenant space (suite 200) including emergrncy generator underground fuel storage tank & new electrical service per plans. -conditional permit subject to field verification
Valuation:
$300,000
Permit #:
100124434
Status:
complete
Fee:
$10,553
Permit Type:
N/A
Building Type:
N/A
Erect a two-story with basement single family frame construction home with a 2-car detached frame construction private garage as per plans. conditional permit pending field verification
Valuation:
$150,000
Permit #:
100126090
Status:
complete
Fee:
$1,766
Permit Type:
N/A
Building Type:
N/A
Erect a two-story with basement single family frame construction home with 2-car frame construction private garage as per plans. conditional permit pending field verification
Valuation:
$150,000
Permit #:
100126104
Status:
complete
Fee:
$1,710
Permit Type:
N/A
Building Type:
N/A
Erect a two-story with basement single family frame construction home with a 2-car frame construction private garage as per plans. conditional permit pending field verification
Valuation:
$150,000
Permit #:
100126097
Status:
complete
Fee:
$1,755
Permit Type:
N/A
Building Type:
N/A
Erect a two-story with basement single family frame construction home with a 2-car frame construction private garage as per plans. conditional permit pending field verification
Valuation:
$150,000
Permit #:
100126095
Status:
complete
Fee:
$1,690
Permit Type:
N/A
Building Type:
N/A
Erect a two-story with basement single family frame construction home with a 2-car frame construction private garage as per plans. conditional permit pending field verification
Valuation:
$150,000
Permit #:
100126092
Status:
complete
Fee:
$1,766
Permit Type:
N/A
Building Type:
N/A
Erect a two-story with basement single family frame construction home with a 2-car frame construction private garage as per plans. conditionanl permit pending verifation
Valuation:
$150,000
Permit #:
100126100
Status:
complete
Fee:
$1,766
Permit Type:
N/A
Building Type:
N/A
Erect 2-story single family residence w basement; 4a construction; and 3 car detached garage as per plans - prototype 1450 s emerald ave - conditional permit subject to field inspection
Valuation:
$422,000
Permit #:
100117249
Status:
complete
Fee:
$1,880
Permit Type:
N/A
Building Type:
N/A
Erect 2-story single family residence w basement; 4a construction; and 3 car detached garage as per plans - conditional permit subject to field inspection
Valuation:
$422,000
Permit #:
100117194
Status:
complete
Fee:
$3,133
Permit Type:
N/A
Building Type:
N/A
Erect a two-story with basement single family frame construction home as per plans. conditional permit pending field verification
Valuation:
$150,000
Permit #:
100126059
Status:
complete
Fee:
$1,755
Permit Type:
N/A
Building Type:
N/A
Erect a two-story with basement single family frame construction home as per plans. conditional permit pending field verificaion
Valuation:
$150,000
Permit #:
100126043
Status:
complete
Fee:
$1,715
Permit Type:
N/A
Building Type:
N/A
Erect two story single family residence with basement per plans.(conditional permit subject to field verification)w/garage
Valuation:
$238,000
Permit #:
100114919
Status:
complete
Fee:
$2,380
Permit Type:
N/A
Building Type:
N/A
Erect a 2 story single family residence per plans. prototype: 1450 s emerald. conditional permit subject to field inspection
Valuation:
$422,000
Permit #:
100096100
Status:
complete
Fee:
$2,041
Permit Type:
N/A
Building Type:
N/A
Erect a 2-story single family residence per plans. prototype: 1452 s emerald. conditional permit subject to field inspection
Valuation:
$430,000
Permit #:
100096099
Status:
complete
Fee:
$2,041
Permit Type:
N/A
Building Type:
N/A
Erect a 2 story single family residence per plans. prototype: 1452 s emerald. conditional permit subject to field inspection
Valuation:
$430,000
Permit #:
100096098
Status:
complete
Fee:
$2,041
Permit Type:
N/A
Building Type:
N/A
Erect a 2-story single family residence per plans. prototype:1452 s emerald. conditional permit subject to field inspection
Valuation:
$430,000
Permit #:
100092767
Status:
complete
Fee:
$2,041
Permit Type:
N/A
Building Type:
N/A
Errect 3 story masonry building 12 dwelling units 3b construction pd#549. conditional permit subject to field inspection
Valuation:
$1,817,340
Permit #:
100073419
Status:
complete
Fee:
$9,222
Permit Type:
N/A
Building Type:
N/A
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Sei Coatings LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
Sei Coatings LLC License info
Verified License
| License # | TGC140425 |
| Status | Active |
| City | City Of Chicago |
| Type | General Contractor (Class B) |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Sei Coatings LLC at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 64594 |
| Status | Active |
| State | Tennessee |
| Type | Contractors |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of Sei Coatings LLC with the Tennessee Department of Commerce and Insurance
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F124627-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Sei Coatings LLC at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-20340-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Sei Coatings LLC at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | A All Projects No Restrictions |
- According to the City of Chicago Data Portal, 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.
Inactive License
| License # | 55111 |
| Status | Inactive |
| State | North Dakota |
| Type | Contractor |
- According to the North Dakota Secretary of State, 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 Sei Coatings LLC at the North Dakota Secretary of State.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
36
Permits
- Building permit records show that Sei Coatings LLC has worked on 36 permitted projects.
Sei Coatings LLC Employees
JG
Jeffrey Gerretse
Owner