Updated: Aug 18, 2026
Location and Projects
Address
9726 W 194TH STREET, Mokena, IL, 60448
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O'sullivan Plumbing, Inc
O'sullivan Plumbing, Inc, 9726 W 194th St, Mokena, IL (Owned by: Glen Gunkel) holds a Plumbing Contractor license and 18 other licenses according to the City of Chicago license board.
Their BuildZoom score of 103 ranks in the top 10% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring O'sullivan Plumbing, Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
O'sullivan Plumbing, Inc Services
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O'sullivan Plumbing, Inc Contact Information
Phone Number: (708) 267-6214
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Address: 9726 W 194TH STREET, Mokena, IL 60448
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O'sullivan Plumbing, Inc Mokena
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
O'sullivan Plumbing, Inc has a BuildZoom score of 103, which places them above 90% of 65,686 contractors in Illinois.
Activity
|
8 projects
|
2024 |
|
8 projects
|
2023 |
Our building permit records indicate that O'sullivan Plumbing, Inc has worked on at least
16.0 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
|
10 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that O'sullivan Plumbing, Inc mostly works on
plumbing project
projects.
Pricing
|
1 project
|
< $5k |
|
3 projects
|
$500k-$1mil |
|
8 projects
|
$1mil+ |
The typical size of their permits is approximately $1,237,000. 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.
Building Permits by O'sullivan Plumbing, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Trad. ds - 2019 cbc: interior fit out phase for proposed 8 story (above grade) medical center. occupancy: i - instit and b - business accessory storage and assembly. type ia construction. includes interior const. in basement and levels and 1 thru.9 including all mep work interior partitions and finishes low voltage wiring. foundation and core and shell under previous permits (10104021... see more
Valuation:
$263,000,000
Permit #:
101061630
Status:
issued
Fee:
$459,239
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: ***structural peer review*** interior alterations to newly constructed 8th floor white box office space in existing high rise office building. includes relocation of women's restroom and renovation to lobby and display area. no change in use. construction type ia. no change in use
Valuation:
$2,100,000
Permit #:
101014259
Status:
complete
Fee:
$1,243
Permit Type:
N/A
Building Type:
N/A
Dds 2019 cbrc: revision to permit number #100985973 to include partition changes reduced demolition scope and corresponding mep revisions for an interior renovation to the existing 7th floor and 8th floor pool. (construction class type i-b occupancy class b - business) consultant reviewer: v3 companies of il
Valuation:
$1,000,000
Permit #:
101008814
Status:
complete
Fee:
$3,535
Permit Type:
N/A
Building Type:
N/A
Self cert 2019 cbrc: revision to permit #101032497 for back of house layout changes added staff restroom updated lighting finishes and facade glass and door sizes. 1b construction. m-mercantile
Valuation:
$4,100,000
Permit #:
101048576
Status:
complete
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
Trad. ds - 2019 cbc: foundation only for proposed 8 story (above grade) u. of c med. cancer center. primary occupancies: i -instit. and b - business accessory storage and assembly. type ia. permit scope includes caissons grade beams slabs on grade mat foundation under building core shear wall building core (basement through level 1) basement and level 1 structural framing level 1 comp... see more
Valuation:
$26,000,000
Permit #:
101040218
Status:
phased permitting
Fee:
$63,349
Permit Type:
N/A
Building Type:
N/A
Dds 2019 cbrc: phase 1 of 1 - interior alterations to an existing 7th floor to remove two operating room's and create a one operating room with a connecting new mri and ancillary spaces to support both as per plans. work to include selective demolition new partitions lighting finishes mechanical plumbing electrical and structural work. no change in use. (construction type: 1a; occupan... see more
Valuation:
$5,813,326
Permit #:
101033477
Status:
complete
Fee:
$4,094
Permit Type:
N/A
Building Type:
N/A
Self cert 2019 cbrc: interior & exterior alterations to 1st and 2nd floor retail space 101. work to include new stair opening new elevator shaft and enclosure relocated entry door new partitions mechanical electrical and plumbing as per plans. structural peer review. 1b construction. m-mercantile
Valuation:
$2,000,000
Permit #:
101032497
Status:
complete
Fee:
$2,693
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc: interior alterations of a single tenant to the welfare and manufacturing areas of a multi tenant 1 story commercial manufacturing building. (occupancy group mixed - b and f-1; type iib construction - no change in occupancy or construction type)**certified corrections subject to field inspections & audit **
Valuation:
$1,000,000
Permit #:
101019163
Status:
complete
Fee:
$1,145
Permit Type:
N/A
Building Type:
N/A
Self cert 2019 cbrc with structural peer review: revision to permit 101002402 to relocate ductwork and electrical and install a new structural beam for a room addition. no change in use. construction type: ii-b; occupancy type: m-mercantile retail
Valuation:
$250,000
Permit #:
101032439
Status:
complete
Fee:
$875
Permit Type:
N/A
Building Type:
N/A
Dds 2019 cbrc: interior renovation to the existing 8th floor pool with alterations to 7th floor equipment room at an existing hotel. work to include demolish new equipment new partitions ceiling structural mechanical electrical and plumbing as per plan. (construction class type i-b occupancy class b - business) consultant reviewer: v3 companies of il
Valuation:
$2,300,000
Permit #:
100985973
Status:
complete
Fee:
$3,079
Permit Type:
N/A
Building Type:
N/A
Direct developer services. interior renovations to an existing 23-story hotel with modifications to floors 1 12 and 13-23. renovations to 361 guestrooms on floors 12-23 include: selective renovation to finishes decorative light fixtures and softgoods. existing casegoods to remain for re-use. conversion of existing bathtubs to walk-in showers at all king bedded rooms. renovations to pu... see more
Valuation:
$2,030,000
Permit #:
100981182
Status:
complete
Fee:
$13,268
Permit Type:
N/A
Building Type:
N/A
Direct developer services. interior renovations to an existing 11-floor hotel including renovations to public areas on 1st and 2nd floors public corridors and guestrooms on 3rd through 11th floors 368 guestrooms include: new finishes decorative light fixtures plumbing fixtures casegoods and softgoods; tub-to-shower conversions at all king bedded guestrooms; and modifications to meet r... see more
Valuation:
$3,641,000
Permit #:
100981178
Status:
complete
Fee:
$12,288
Permit Type:
N/A
Building Type:
N/A
***direct developer services*** first-time build-out of partial 8th floor medical office space in an existing ambulatory care facility. to include building out of 307sf storage room on the 3rd floor. (b- business occupancy; ib construction type). consultant reviewer: v3 companies of il
Valuation:
$9,100,000
Permit #:
100961127
Status:
complete
Fee:
$19,138
Permit Type:
N/A
Building Type:
N/A
Dds: revision to permit #100950206 to include minor layout changes on all 5 floors of the proposed inpatient hospital. work to include expansion of a 3rd-floor training room and treatment roof in previously vacant space minor layout changes revised millwork and finishes and associated mep work. no structural. no change in use (i-2 occupancy ib construction) consultant reviewer: v3 com... see more
Valuation:
$765,000
Permit #:
101032344
Status:
complete
Fee:
$41,673
Permit Type:
N/A
Building Type:
N/A
Self cert 2019 cbrc: interior alterations to an existing retail suite 200 on the second floor as per plans. work to include demolition new rated infill partition wall at existing corridor for suite 200 mechanical electrical and plumbing as per plans. no change in use. no structural work. (construction type: ii-b; occupancy type: m-mercantile retail)
Valuation:
$100,000
Permit #:
101002407
Status:
expired
Fee:
$1,190
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc-cps school - no change in use-modular buildings life safety upgrades at ernst prussing elementary school
Valuation:
$1,681,000
Permit #:
101043590
Status:
suspended
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc-cps school - no change in use-modular building life safety upgrades at ernst prussing elementary school
Valuation:
$948,000
Permit #:
101043591
Status:
suspended
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
, replacement of domestic hot amd cold water risers for 51 du building , 27 stories high residential dwelling...no branch line replacement , no fixture replacement and no water heater replacement on this permit
Valuation:
$483,000
Permit #:
100955689
Status:
issued
Fee:
$4,225
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc-cps school - no change in use-modular buildings life safety upgrades at bridge elementary school
Valuation:
$509,000
Permit #:
101043589
Status:
suspended
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbc-cps school - no change in use-modular buildings life safety upgrades at bridge elementary school
Valuation:
$1,237,000
Permit #:
101043587
Status:
suspended
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
O'sullivan Plumbing, Inc License info
Verified License
| License # | BC209695 |
| Status | Active |
| City | City Of Chicago |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of August 2026.
Verify this license's status for O'sullivan Plumbing, Inc 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 # | CL-18-20112 O |
| Status | Active |
| Town | Orland Park |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of O'sullivan Plumbing, Inc with the Village of Orland Park Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CL-16-20112 |
| Status | Active |
| Town | Orland Park |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2015. Check the current license status of O'sullivan Plumbing, Inc with the Village of Orland Park Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 11-00011309 |
| Status | Active |
| City | Aurora |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2015. Check the current license status of O'sullivan Plumbing, Inc with the The City of Aurora, IL
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CR4103 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of December, 2015. Check the current license status of O'sullivan Plumbing, Inc with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2012-CR4103 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of December, 2015. Check the current license status of O'sullivan Plumbing, Inc with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | BC14971 |
| Status | Inactive |
| City | City Of Chicago |
| Type | Plumbing 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.
Check this license's status for O'sullivan Plumbing, Inc at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR4103 |
| 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 O'sullivan Plumbing, Inc 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 # | 055-020432 |
| 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 O'sullivan Plumbing, Inc at the Village of Oak Park.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL-24-29676 |
| 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 O'sullivan Plumbing, Inc at the Village of Orland Park Contractor License.
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 # | CL-22-20112 |
| 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 O'sullivan Plumbing, Inc 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 # | CL-20-20112 |
| 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 O'sullivan Plumbing, Inc 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 # | CL-19-20112 |
| 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 O'sullivan Plumbing, Inc 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 # | CL-18-20112 |
| 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 O'sullivan Plumbing, Inc at the Village of Orland Park Contractor License.
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.
Inactive License
| License # | 13LIC3-0020 |
| Status | Inactive |
| City | Evanston |
- 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 O'sullivan Plumbing, Inc 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
| License # | CL-17-20112 |
| 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 O'sullivan Plumbing, Inc at the Village of Orland Park Contractor License.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
239
Permits
- Building permit records show that O'sullivan Plumbing, Inc has worked on 239 permitted projects.
O'sullivan Plumbing, Inc Employees
GG
Glen Gunkel
Owner