Updated: Jul 07, 2026
Location and Projects
Address
1555 SHERMAN AVE, Evanston, IL, 60201
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R Core Construction
Serving clients in Evanston, Illinois, R Core LLC specializes in residential remodeling and renovation projects. With seven years in operation, the company undertakes work ranging from kitchen and bathroom updates to whole-home improvements. Projects have included modern kitchen installations, custom cabinetry, and bathroom upgrades tailored to residential properties in the Evanston area. R Core LLC assists homeowners throughout each phase of construction, coordinating design, material selection, and building services. The company’s portfolio reflects a focus on integrating contemporary finishes and optimizing interior layouts for improved functionality. R Core LLC works closely with clients in Evanston and surrounding neighborhoods to realize remodeling goals within established budgets and timelines, providing project management from consultation to completion.
R Core LLC Services
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R Core LLC Contact Information
Phone Number: (224) 707-0550
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Address: 1555 SHERMAN AVE, Evanston, IL 60201
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R Core LLC Evanston
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
R Core LLC has a BuildZoom score of 98, which places them above 84% of 65,686 contractors in Illinois.
Activity
|
1 project
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that R Core LLC has worked on at least
3.0 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.
Pricing
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
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.
1 first floor: adding outtlets in the kitchen area per code. 2 third floor adding outlets in the kitchen area per code replacing cloth wire with approved thhn conductors through out the whole apartment
Valuation:
$1,500
Permit #:
B100903940
Status:
complete
Fee:
$375
Permit Type:
Electrical work
Building Type:
N/A
200 amp electrical service new under ground meter pedestal new 200 amp panel in the garage new 100 amp sub panel in the basement
Valuation:
N/A
Permit #:
PE20-0576
Status:
final
Fee:
N/A
Permit Type:
Electrical servic...
Building Type:
N/A
Miscellaneous commercial
Valuation:
$49,500
Permit #:
22-00002291|CMIS00
Status:
applied
Fee:
N/A
Permit Type:
Commercial misc. ...
Building Type:
N/A
New single family residence - covid-19 instruction provided
Valuation:
N/A
Permit #:
20BLDR-0001
Status:
complete
Fee:
$6,096
Permit Type:
N/A
Building Type:
N/A
Addition 3 antennas; 6 rru; 1 ovp; 1 hybrid
Valuation:
N/A
Permit #:
24MSWK-0236
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical and plumbing
Valuation:
$78,000
Permit #:
MU6247
Status:
issued
Fee:
$780
Permit Type:
N/A
Building Type:
N/A
Hot tub patio and fire pit
Valuation:
$18,250
Permit #:
MU7844
Status:
complete
Fee:
$183
Permit Type:
N/A
Building Type:
N/A
Rearrangement of kitchen outlets
Valuation:
$3,000
Permit #:
B100913037
Status:
complete
Fee:
$75
Permit Type:
Electrical work
Building Type:
N/A
Installation of new switches outlets remodeling
Valuation:
$1,000
Permit #:
B100892165
Status:
complete
Fee:
$225
Permit Type:
Electrical work
Building Type:
N/A
Electric service upgrade from 60 amp to 100 amp
Valuation:
$1,000
Permit #:
B100888636
Status:
complete
Fee:
$75
Permit Type:
Electrical work
Building Type:
N/A
Installing 100 amp sub panel in the garage
Valuation:
$1,000
Permit #:
B100900863
Status:
complete
Fee:
$150
Permit Type:
Electrical work
Building Type:
N/A
Installing exterior light fixtures
Valuation:
$500
Permit #:
B100866854
Status:
complete
Fee:
$75
Permit Type:
Electrical work
Building Type:
N/A
Repair sign leaning due to anchor bolts
Valuation:
N/A
Permit #:
22-03897
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
: construct stairs from 1st floor level to basement nw side of existing building. (interior)
Valuation:
N/A
Permit #:
18-1630-REPR
Status:
final
Fee:
$151
Permit Type:
N/A
Building Type:
Building use group
200 amp service
Valuation:
N/A
Permit #:
PE20-0629
Status:
triage
Fee:
N/A
Permit Type:
Electrical servic...
Building Type:
N/A
Spr 2019 cbc - the courtyard apartment/hotel building was converted to condominiums in 2009. in the 5321 section of the building (each entry stair has its own address) improper design and poor workmanship during the modification of the existing floor structures during the conversion has left the current structre defficient and requiring repair. we propose to repair the structure by re... see more
Valuation:
$75,000
Permit #:
100933469
Status:
expired
Fee:
$1,630
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc - replace existing boiler system with new ducted furnace system and air conditioning in units 1 2 & 3 of existing 3-story residential building as per plans **certified corrections subject to field inspections & audit **
Valuation:
$6,000
Permit #:
100895885
Status:
expired
Fee:
$550
Permit Type:
N/A
Building Type:
N/A
: tenant finish - allstate insurance
Valuation:
N/A
Permit #:
19-0307-TNTFN
Status:
final
Fee:
$1,187
Permit Type:
N/A
Building Type:
Building use group
Removal and reconstruction of the front elevation of a two story masonry building (conditional permit subject to field inspections)
Valuation:
$40,000
Permit #:
100890707
Status:
complete
Fee:
$575
Permit Type:
N/A
Building Type:
N/A
Interior build-out of existing retail space into a new dog grooming
Valuation:
$9,500
Permit #:
100981041
Status:
expired
Fee:
$1,175
Permit Type:
N/A
Building Type:
N/A
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R Core LLC Reviews
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R Core LLC License info
Verified License
| License # | ECC95427 |
| Status | Active |
| City | City Of Chicago |
| Type | Electrical Contractor (General) |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for R Core LLC at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | R10654 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Electric |
- According to the County of Dupage Contractor Registration Information, 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 R Core LLC at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 20LICL-0050 |
| Status | Inactive |
| City | Evanston |
| Type | Electrical |
- According to the City of Evanston Building and Inspection Services, 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 R Core LLC at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Cook County |
| Type | Electrical |
- According to the Cook County Department of Building and Zoning, 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
| Status | Inactive |
| City | City Of Chicago |
| Type | General |
- 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.
98
BuildZoom Score
20
Permits
- Building permit records show that R Core LLC has worked on 20 permitted projects.
R Core LLC Employees
RA
Roman Antonov
Owner