Updated: Jun 02, 2026
Location and Projects
Address
2328 N LEYDEN, River Grove, IL, 60171
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Kj Plumbing and
Their BuildZoom score of 105 ranks in the top 8% of 65,686 Illinois licensed contractors.
If you are thinking of hiring Kj Plumbing and, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Kj Plumbing and Services
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Kj Plumbing and Contact Information
Phone Number: (872) 214-6579
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Address: 2328 N LEYDEN, River Grove, IL 60171
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Kj Plumbing and River Grove
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Kj Plumbing and has a BuildZoom score of 105, which places them above 92% of 65,686 contractors in Illinois.
Activity
|
16 projects
|
2025 |
|
13 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Kj Plumbing and has worked on at least
35.0 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
|
4 projects
|
New Constructions |
|
3 projects
|
Home Additions |
|
35 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Kj Plumbing and mostly works on
plumbing project
and new construction
projects.
Pricing
|
1 project
|
< $5k |
|
2 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
6 projects
|
$250k-$500k |
|
13 projects
|
$500k-$1mil |
|
6 projects
|
$1mil+ |
The typical size of their permits is approximately $661,950. 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.
2019 spr - convert property from 4du to 5du. convert 1st floor office space to residential d.u. thru adu northwest area. interior alterations to an existing 2 du's at 2nd and 3rd floor & new metal deck at 2nd & 3rd floor front building (existing 2 d.u. rear building n.i.c.) (occupancy r-5 construction iiia)
Valuation:
$800,000
Permit #:
101065581
Status:
issued
Fee:
$3,437
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc: full building permit for 3 story 4 d.u. building with basement front/rear terrace at 1st story front/rear balcony at 2nd story rooftop deck rooftop stair enclosures detached 4 car garage with rooftop deck as per plan (occupancy group r-2 type iii-a construction)
Valuation:
$1,538,400
Permit #:
101051285
Status:
issued
Fee:
$11,149
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc: full building permit for 2 story single family residence with basement rear terrace at 1st story rooftop deck pergola rooftop stair enclosure detached 3 car garage with rooftop deck as per plan (occupancy group r-5 type va construction)
Valuation:
$1,034,333
Permit #:
101064623
Status:
issued
Fee:
$5,654
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc: full building permit for 2 story single family residence with basement rear terrace at 1st story rooftop deck pergola rooftop stair enclosure detached 3 car garage with rooftop deck as per plan (occupancy group r-5 type va construction). conditional approval per 14a-4-404.13 release of full wrecking permit still pending. wrecking app. # 101062727
Valuation:
$1,034,333
Permit #:
101064627
Status:
issued
Fee:
$3,025
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc: full building permit for 3 story 3 d.u. building with basement rear terrace with stair at 1st story rear deck with stair 2nd/3rd story rooftop deck rooftop stair enclosure detached 3 car garage with rooftop deck as per plan (occupancy group r-5 type va construction)
Valuation:
$1,439,100
Permit #:
101062766
Status:
issued
Fee:
$6,330
Permit Type:
N/A
Building Type:
N/A
2019 spr. de-convert from 2 d.u. to single family residence including full mep work & new 2 car frame garage as per plans (occupancy r-5 construction va)
Valuation:
$700,000
Permit #:
101065302
Status:
issued
Fee:
$1,959
Permit Type:
N/A
Building Type:
N/A
Self-cert -2019 cbc: unit 21 south. remove existing partition wall and replace with new to increase primary bedroom size. addition three new gas fireplace appliances. remodel and re-fixture existing baths. existing r-2 24 story 35 unit residential pd 1231 building of construction type 1b
Valuation:
$100,000
Permit #:
101064721
Status:
issued
Fee:
$3,315
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc: full building permit for 2 story single family residence with basement rear terrace at 1st story rooftop deck pergola rooftop stair enclosure detached 3 car garage with rooftop deck as per plan (occupancy group r-5 type va construction)
Valuation:
$1,086,184
Permit #:
101060415
Status:
issued
Fee:
$4,178
Permit Type:
N/A
Building Type:
N/A
Self certification- new construction of 2-story frame single family residence with basement and new 2-car frame garage with roof deck (r-5 occupancy va construction) conditional approval per 14a-4-404.13 release of full wrecking permit still pending
Valuation:
$600,000
Permit #:
101048485
Status:
complete
Fee:
$3,000
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc: full building permit for 2 story single family residence with basement rear terrace at 1st floor rooftop deck rooftop stair enclosure detached 2 car garage as per plan (occupancy group r-5 type va construction)
Valuation:
$784,826
Permit #:
101053338
Status:
complete
Fee:
$5,290
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc: full building permit for 2 story single family residence with basement rear terrace at 1st floor rooftop deck rooftop stair enclosure detached 2 car garage as per plan (occupancy group r-5 type va construction)
Valuation:
$784,826
Permit #:
101053336
Status:
suspended
Fee:
$5,290
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc: full building permit for 2 story single family residence with basement rear terrace at 1st floor rooftop deck rooftop stair enclosure detached 2 car garage as per plan (occupancy group r-5 type va construction)
Valuation:
$784,826
Permit #:
101053342
Status:
complete
Fee:
$3,865
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc: full building permit for 2 story single family residence with basement rear terrace at 1st floor rooftop deck rooftop stair enclosure detached 2 car garage as per plan (occupancy group r-5 type va construction)
Valuation:
$784,826
Permit #:
101053340
Status:
complete
Fee:
$3,865
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc: full building permit for 2 story single family residence with basement rear porch at 1st story rooftop deck rooftop stair enclosure detached 2 car garage as per plan (occupancy group r-5 type va construction)
Valuation:
$490,000
Permit #:
101043071
Status:
suspended
Fee:
$4,350
Permit Type:
N/A
Building Type:
N/A
For permit 100902154: replacement electrical contractor. replacement general contractor. replacement mason contractor. replacement plumbing contractor. replacement other contractor. new contractor(s) listed under other applicants and contractors on permit certificate. change of owner for permit 100902154. new owner listed on this permit
Valuation:
N/A
Permit #:
B200409902
Status:
complete
Fee:
$100
Permit Type:
Administrative ch...
Building Type:
N/A
Self certification 2019 cbc- new construction of 2 story with basement frame single family residence and detached frame 2-car garage per plans.(r-5 occupancy v-a construction type) conditional approval per 14a-4-404.13 release of full wrecking permit still pending
Valuation:
$300,000
Permit #:
101010197
Status:
complete
Fee:
$2,850
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc: full building permit for 2 story single family residence with basement rear terrace at 1st story rooftop deck rooftop stair enclosure detached 2 car garage as per plan (occupancy group r-5 type va construction)
Valuation:
$799,026
Permit #:
101059847
Status:
issued
Fee:
$4,350
Permit Type:
N/A
Building Type:
N/A
Erect a masonry 3-story with basement multi-family residential building with 3 d.u.'s total. building features to include a sunken front patio no more than 2 deep below grade a 64 sq. ft. rooftop stairway enclosure & rooftop deck a 3-story open rear egress stair a 1st fl. covered open rear deck and both basement & 1st fl. open rear access steps all work as per plans. erect a 3.5 high ... see more
Valuation:
$350,000
Permit #:
100961575
Status:
complete
Fee:
$4,956
Permit Type:
N/A
Building Type:
N/A
2019 spr - interior alterations to an existing 2-story 2 d.u. rear building including mep work as per plan(existing 3 story with basement (3 d.u.) main building n.i.c.) (occupancy r-5 construction va)
Valuation:
$6,000
Permit #:
101065582
Status:
issued
Fee:
$675
Permit Type:
N/A
Building Type:
N/A
Self cert 2019 crc: proposed 2 story single family residence w/basement roof deck/pergola and enclosure rear 1st floor terrace and 3 car garage w/roof deck per plans
Valuation:
$1,086,184
Permit #:
101060413
Status:
issued
Fee:
$5,603
Permit Type:
N/A
Building Type:
N/A
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Kj Plumbing and License info
License Not Verified
| License # | SBC198084 |
| Status | Active |
| City | City Of Chicago |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Kj Plumbing and with the City of Chicago Data Portal
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 201904045 |
| Status | Active |
| City | Oak Park |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Kj Plumbing and with the Village of Oak Park
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR8876 |
| Status | Inactive |
| County | Dupage County |
| Type | Plumbing |
- 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 Kj Plumbing and at the County of Dupage Contractor Registration Information.
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
| License # | CR8876 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Plumbing |
- 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 Kj Plumbing and 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 # | CL-20-27298 |
| Status | Inactive |
| Town | Orland Park |
| Type | Plumbing Contractor |
- According to the Village of Orland Park Contractor License, 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 Kj Plumbing and at the Village of Orland Park Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 201902113 |
| Status | Inactive |
| City | Oak Park |
| Type | Contractor |
- According to the Village of Oak Park, 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 Kj Plumbing and at the Village of Oak Park.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Cook County |
| Type | Sewer |
- 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 | 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
| License # | 18LIPL-0239 |
| Status | Inactive |
| City | Evanston |
| Type | Plumbing |
- 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 Kj Plumbing and 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 | Plumbing |
- 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 | 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.
105
BuildZoom Score
90
Permits
- Building permit records show that Kj Plumbing and has worked on 90 permitted projects.
Kj Plumbing and Employees
KJ
Kamil Jaworowski
Owner