Updated: Jun 02, 2026
Location and Projects
Address
3234 W BRYN MAWR AVE, Chicago, IL, 60659
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Jin Hwan Ko Plumber
Jin Hwan Ko, 3234 W Bryn Mawr Ave, Chicago, IL holds a Plumbing Contractor license and 2 other licenses according to the City of Chicago license board.
Their BuildZoom score of 96 ranks in the top 20% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Jin Hwan Ko, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Jin Hwan Ko Services
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Jin Hwan Ko Contact Information
Phone Number: (773) 817-5358
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Address: 3234 W BRYN MAWR AVE, Chicago, IL 60659
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Jin Hwan Ko Chicago
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Jin Hwan Ko has a BuildZoom score of 96, which places them above 80% of 65,686 contractors in Illinois.
Activity
|
2 projects
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that Jin Hwan Ko has worked on at least
3.0 projects over the past 2 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
|
$5k-$20k |
|
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.
Repair or in-kind replacement of 1 plumbing fixtures as described in permit application. includes repair or replacment of plumbing piping. locations: 1 residential unit(s) 0 non-residential unit(s) exterior work front yard
Valuation:
$10,500
Permit #:
B200416672
Status:
issued
Fee:
$175
Permit Type:
plumbing work
Building Type:
N/A
Spr 2019 cbrc: existing alteration to existing retail space to unit #3979. work includes relocation of existing washroom and new drinking fountain (occupancy group m; type iib construction)
Valuation:
$70,000
Permit #:
101053551
Status:
issued
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
Interior alteration in the exist. retail spaces for the expansion of existing daycare in the exist. 1-story building. complying existing toilet rooms up to ada standards. providing hand sinks. minimal mechanical electrical plumbing works per plans.**certified corrections subject to field inspections & audit **
Valuation:
$20,000
Permit #:
100883384
Status:
suspended
Fee:
$3,325
Permit Type:
N/A
Building Type:
N/A
Correct all plumbing code violations....plumbing fixture repair and installation all dwv and water pipe repair and deconversion of fixture and dwv and water piping in commercial building
Valuation:
$3,250
Permit #:
100938094
Status:
issued
Fee:
$600
Permit Type:
N/A
Building Type:
N/A
Work in one commercial space: tile. molding. paint. replace sink with associated piping. replace drywall. replace appx 6 metal studs on wall where sink is located. (no electrical work under this permit)- all work same as existing
Valuation:
$9,800
Permit #:
100839197
Status:
issued
Fee:
$475
Permit Type:
N/A
Building Type:
N/A
Plumbing only: correct plumbing violatons dated 10-23-2020; subject to field inspections...plumbing fixture installation and pipe repair and installation
Valuation:
N/A
Permit #:
100900073
Status:
issued
Fee:
$375
Permit Type:
N/A
Building Type:
N/A
Revision to permit # 100801507 to change plumbing contractor to jin hwan ko
Valuation:
$1
Permit #:
100851948
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Interior renovation of exist 2 story masonry mixed use building with existing ground floor retail space and 2nd floor residential to remain. work on all floors for new mep services. replaced damaged floor & roof joists new roofing and new exterior exit stair at rear as per plans **certified corrections- - subject to field inspections & audit **
Valuation:
$160,000
Permit #:
100823139
Status:
complete
Fee:
$1,650
Permit Type:
N/A
Building Type:
N/A
Repair/replace hardwood floors doors cabinets counter tops floor tile replace plumbing fixtures with associated piping (same location - separate electrical permit req'd) move master bedroom door opening 1-2
Valuation:
$140,000
Permit #:
100925569
Status:
issued
Fee:
$400
Permit Type:
N/A
Building Type:
N/A
Repair smoke damage from civil unrest and vandalism additional interior alterations for new restrooms and repair existing mezzanine area (conditional permit subject to field inspections)
Valuation:
$300,000
Permit #:
100895188
Status:
complete
Fee:
$2,443
Permit Type:
N/A
Building Type:
N/A
Interior alteration combining 3 commercial stores into 1 clothing store architectural mechanical electrical and plumbing disciplines involved
Valuation:
$100,000
Permit #:
100934168
Status:
suspended
Fee:
$2,556
Permit Type:
N/A
Building Type:
N/A
Interior alteration for new limited restaurant (juice bar) in the existing 1-story coin laundromat. all work as per plans.(conditional permit subject to field inspections
Valuation:
$65,000
Permit #:
100876458
Status:
complete
Fee:
$3,091
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc: new mop basin. new drinking fountain.(no hvac work under this permit)
Valuation:
$2,000
Permit #:
100961310
Status:
suspended
Fee:
$825
Permit Type:
N/A
Building Type:
N/A
Interior remodel of existing restaurant demolish and moving partition walls relocating kitchen plumbing fixtures. removing and replacing storefront window and knee wall. relocating electrical fixtures and relocating ventilation fixtures.(no refrigeration work under this permit)
Valuation:
$100,000
Permit #:
100429294
Status:
complete
Fee:
$981
Permit Type:
N/A
Building Type:
N/A
Plumbing fixture installation and associated piping, all plumbing code violation corrections
Valuation:
$1,500
Permit #:
100894792
Status:
issued
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
Retail tenant build-out: new interior walls new interior lighting and power outlets two new gas furnaces and duct work
Valuation:
$125,000
Permit #:
100453912
Status:
complete
Fee:
$874
Permit Type:
N/A
Building Type:
N/A
2019 cbc spr: interior renovation of a ground floor tenant space (4808-10 n. bernard st.) to convert to white box retail space and correct violations within an existing three-story mixed use building.(conditional permit subject to field inspection)
Valuation:
$25,000
Permit #:
101069086
Status:
issued
Fee:
$1,825
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Jin Hwan Ko License info
Verified License
| License # | BC16005 |
| Status | Active |
| City | City Of Chicago |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Jin Hwan Ko at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | Bonded Contractor |
- 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
| Status | Inactive |
| City | City Of Chicago |
| Type | Bonded Contractor |
- 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.
96
BuildZoom Score
17
Permits
- Building permit records show that Jin Hwan Ko has worked on 17 permitted projects.