Updated: May 29, 2026
Location and Projects
Address
8400 Wilmette Ave, Darien, IL, 60561
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Republic Piping Systems Plumber
Republic Piping Systems Inc, 8400 Wilmette Ave, Darien, IL (Owned by: John Difoggio) holds a Contractor Registration license and 10 other licenses according to the Illinois license board.
Their BuildZoom score of 99 ranks in the top 15% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Republic Piping Systems Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Republic Piping Systems Inc Services
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Republic Piping Systems Inc Contact Information
Phone Number: (630) 333-6118
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Address: 8400 Wilmette Ave, Darien, IL 60561
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Republic Piping Systems Inc Darien
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Republic Piping Systems Inc has a BuildZoom score of 99, which places them above 85% of 65,686 contractors in Illinois.
Activity
|
2 projects
|
2025 |
|
3 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Republic Piping Systems Inc has worked on at least
11.0 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
|
3 projects
|
Home Additions |
|
6 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Republic Piping Systems Inc mostly works on
plumbing project
and home addition
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$5k-$20k |
|
1 project
|
$50k-$100k |
|
3 projects
|
$100k-$250k |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $125,000. 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 Republic Piping Systems Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Spr 2019. construct a 2nd floor addition to the existing 1 story masonry building with no basement. to include mechanical electrical and plumbing work and a new 6-foot-high masonry trash enclosure as per architectural plans. construction type iia and type b occupancy classification
Valuation:
$1,450,000
Permit #:
101047874
Status:
issued
Fee:
$4,150
Permit Type:
N/A
Building Type:
N/A
For permit 100944714: 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
Valuation:
N/A
Permit #:
B200434490
Status:
complete
Fee:
$100
Permit Type:
Administrative ch...
Building Type:
N/A
Commercial. self cert. - 2019 cbrc: alterations to existing tenant office suite as shown on plans. construction type iia; existing and proposed occupancy type b business; czo 17-17-0104u office. no exterior work or change to building size
Valuation:
$200,000
Permit #:
101004941
Status:
complete
Fee:
$2,332
Permit Type:
N/A
Building Type:
N/A
Spr2019 cbc interior alteration on an exisiting 2 flat with new hvac electrical and plumbing as per plans. walls were remove as needed and repalce with new studs in the same location as per plans. repair exisitng enclosed porch
Valuation:
$100,000
Permit #:
101016100
Status:
complete
Fee:
$940
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: alterations and addition of a second story to an existing one story restaurant space. work to include demolition interior and exterior construction new finishes electrical plumbing mechanical and structural per plans. (occupancy a-2 assembly construction type iv) elevator installation is a separate permit submission
Valuation:
$2,000,000
Permit #:
100926363
Status:
expired
Fee:
$9,348
Permit Type:
N/A
Building Type:
N/A
Remove part of existing wood frame (type va) single family residence (r-2) to addition a second story with remodeled bedrooms and bathrooms. repair existing front porch. existing classifications to remain
Valuation:
$175,000
Permit #:
101013247
Status:
suspended
Fee:
$875
Permit Type:
N/A
Building Type:
N/A
Sc 2019 cbrc: small rear addition and interior changes to existing structure. new roof new mep systems new garage new deck. v-b const r-5 occ
Valuation:
$250,000
Permit #:
101011166
Status:
complete
Fee:
$900
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc: interior renovation of the existing retail space for a new ice cream store on the first floor of the existing 4-story building (occupancy group m & r-2; type iiib construction)
Valuation:
$50,000
Permit #:
101005383
Status:
expired
Fee:
$4,825
Permit Type:
N/A
Building Type:
N/A
2019 cbs -- rs-3 interior remodeling of existing 2 story masonry single family residence to relocate existing master bathroom and additional bathroom & laundry on 2nd floor. remodel kitchen and all bathrooms/pwdr room replace plumbing fixtures
Valuation:
$200,000
Permit #:
100901328
Status:
complete
Fee:
$962
Permit Type:
N/A
Building Type:
N/A
Revision to permit # 101041161 to revise location of basement new toilet and new janitor's closet. first floor to remain as original permit. all revisions to original permit are shown bubbled
Valuation:
$15,000
Permit #:
101046414
Status:
complete
Fee:
$1,489
Permit Type:
N/A
Building Type:
N/A
Existing vacant commercial space to have a new accessible toilet room & janitor's closet added to the basement level. first floor level to have two toilwt rooms removed and a new accessible toilet room added
Valuation:
$75,000
Permit #:
101041161
Status:
suspended
Fee:
$2,196
Permit Type:
N/A
Building Type:
N/A
Self cert field revision to permit # 100993886. remove 1st floor powder including one sink and one toilet. existing water service to remain
Valuation:
$150,000
Permit #:
101023699
Status:
complete
Fee:
$752
Permit Type:
N/A
Building Type:
N/A
Replace fire existing damaged studs and floor joists.(no framing) furnace damage duck work water heater drywall insulation flooring doors windows carpeting bathroom fixtures cabinet and appliances.plumbing fixture repair and installation replace water heater and associated piping for three units
Valuation:
$160,000
Permit #:
100882966
Status:
issued
Fee:
$1,075
Permit Type:
N/A
Building Type:
N/A
Revison to permit # 100993886 change of plumbing contractor to republic piping systems inc
Valuation:
$1
Permit #:
101006826
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Remodeling 2 bathrooms in unit#3713 repair and replace plumbing fixtures and associated piping
Valuation:
$44,050
Permit #:
100978697
Status:
issued
Fee:
$400
Permit Type:
N/A
Building Type:
N/A
Interior remodeling of existing office space on partial 2nd floor to be used as private office in existing 16 story masonry mixed-use building.private office not open to the public
Valuation:
$40,000
Permit #:
100877537
Status:
complete
Fee:
$1,412
Permit Type:
N/A
Building Type:
N/A
: remodel (office reception & storefront)
Valuation:
N/A
Permit #:
24-0961-REPR
Status:
issued
Fee:
$3,962
Permit Type:
N/A
Building Type:
Building use group
Replace plumbing fixtures and repair some rusted d, w, and vent piping. replace existing furnace. republic piping as plumbing contractor
Valuation:
$10,000
Permit #:
100998700
Status:
issued
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Residence alterations/remodling (no new sq ftg)
Valuation:
$3,400
Permit #:
22-00001855|RAL00
Status:
applied
Fee:
N/A
Permit Type:
Room alteration
Building Type:
N/A
Self cert 2019 cbrc: interior alteration of existing ground floor restaurant space for new restaurant in existing 6 story i-a construction mixed use building as per plans
Valuation:
$81,000
Permit #:
100990773
Status:
complete
Fee:
$2,378
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Republic Piping Systems Inc License info
Verified License
| License # | CR-10984 |
| Status | Active |
| Type | Contractor Registration |
| Date Issued | 01-09-2026 |
- BuildZoom verified this license was active as of March 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CON-008961-2025 |
| Status | Active |
| Town | Palatine |
| Type | Plumbing/Water Service Contractor Registration |
| Class | Plumbing/Water Service |
| Date Issued | 01-09-2026 |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Republic Piping Systems Inc at the Village of Palatine Registered Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | SBC171794 |
| Status | Active |
| City | City Of Chicago |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Republic Piping Systems Inc at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR0004590 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor, Plumbing |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Republic Piping Systems Inc at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Cook County |
| Type | Plumbing |
| Date Issued | 02-18-2026 |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | REG-2022-236 |
| Status | Inactive |
| County | Kankakee County |
| Type | Contractor Registration |
- According to the Kankakee County Planning Department, 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 Republic Piping Systems Inc at the Kankakee County Planning Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL-24-28133 |
| 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 Republic Piping Systems 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 # | 22LIPL-0017 |
| 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 Republic Piping Systems 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 # | 202002053 |
| 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 Republic Piping Systems Inc at the Village of Oak Park.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 202001485 |
| 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 Republic Piping Systems Inc at the Village of Oak Park.
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.
99
BuildZoom Score
24
Permits
- Building permit records show that Republic Piping Systems Inc has worked on 24 permitted projects.
Republic Piping Systems Inc Employees
JF
John Di Foggio
Owner
JD
John Difoggio
Owner
RI
Republic Piping Systems, Inc
Licensee