Updated: Jul 08, 2026
Location and Projects
Address
415 S William St, Mt Prospect, IL, 60056
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Katco Development Plumber
Katco Development Inc, 415 S William St, Mt Prospect, IL (Owned by: Karen Barba) holds a Plumbing license and 12 other licenses according to the Evanston license board.
Their BuildZoom score of 108 ranks in the top 5% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Katco Development Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Katco Development Inc Services
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Katco Development Inc Contact Information
Phone Number: (847) 878-2790
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Address: 415 S William St, Mt Prospect, IL 60056
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Katco Development Inc Mt Prospect
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Katco Development Inc has a BuildZoom score of 108, which places them above 95% of 65,686 contractors in Illinois.
Activity
|
36 projects
|
2025 |
|
9 projects
|
2024 |
|
20 projects
|
2023 |
Our building permit records indicate that Katco Development Inc has worked on at least
65.0 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
|
9 projects
|
Commercial Renovations |
|
24 projects
|
Plumbing projects |
|
3 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that Katco Development Inc mostly works on
plumbing project
and commercial renovation
projects.
Pricing
|
1 project
|
< $5k |
|
3 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
5 projects
|
$100k-$250k |
|
9 projects
|
$250k-$500k |
|
9 projects
|
$500k-$1mil |
|
21 projects
|
$1mil+ |
The typical size of their permits is approximately $493,500. 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 Katco Development Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Self-cert 2019 cbrc with structural peer review: cps school - no change in use. interior renovations in sullivan high school (current use/occupancy school e-1 proposed use/occupancy school e-1) includes pool deck floor drain and piping replacement girls/boys locker room renovations single shower room addition mechanical lighting and pool equipment replacemt and other misc. trades. str... see more
Valuation:
$4,490,000
Permit #:
101065890
Status:
issued
Fee:
$7,549
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc exterior improvements to existing cps elementary school playground including new resilient surfacing playlot with new playground equipment outdoor basketball court pickleball courts and landscape and paving improvements. removal of existing playground features and regrading including underground stormwater/electrical. no car parking. (cps project number: 2024-31261-sit) ... see more
Valuation:
$990,000
Permit #:
101063540
Status:
issued
Fee:
$460
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc: new turf field partial 6ft wood fence &4ft ornamental fence asphalt path new hose bibb and electrical outlet at cps disney ii magnet elementary school. exterior improvements only no interior scope of work. occupancy group e-1 (to remain) type ii-a construction (to remain)
Valuation:
$849,000
Permit #:
101066235
Status:
issued
Fee:
$852
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: alterations to 1-story school building including roof replacement and mechanical electrical plumbing system work associated with roof replacement. select interior alterations including renovation of toilet rooms and modification of marker and tackboard mounting heights for age groups served. (occupancy group e-1; type ii-a noncombustible construction)
Valuation:
$2,000,000
Permit #:
101064614
Status:
issued
Fee:
$9,350
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: alterations to 1 main office 1 boy's toilet 1 girl's toilet and 1 all-gender toilet in 3 story cps school building.nd repaving the exterior parking lot (no changes to the parking quantity layout or design) as per architectural plans. (occupancy group e-1; type ia construction)
Valuation:
$513,000
Permit #:
101063624
Status:
issued
Fee:
$975
Permit Type:
N/A
Building Type:
N/A
Sc 2019 cbrc: interior alterations to 1 main office 1 existing toilet and 1 all-gender toilet in a one-story cps school building. work includes an accessible entrance to the existing building (occupancy group e-1; type ia construction) and repaving the exterior parking lot (no changes to the parking quantity layout or design) as per architectural plans
Valuation:
$635,000
Permit #:
101063998
Status:
issued
Fee:
$975
Permit Type:
N/A
Building Type:
N/A
2019 cbrc: interior alterations to 1 main office 2 toilet rooms and 1 all-gender toilet in a three-story cps school building. work includes an accessible entrance to the existing building (occupancy group e-1; type 1a construction) and repaving the exterior parking lot (no changes to the parking quantity layout or design) as per architectural plans
Valuation:
$547,000
Permit #:
101063976
Status:
issued
Fee:
$975
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc: playground and partial pavement replacement at cps henry elementary school restripping existing ada parking spaces and existing trash enclosure repairs. exterior improvements only no interior scope of work. occupancy group e-1 (to remain) type ii-a construction (to remain)
Valuation:
$585,245
Permit #:
101063812
Status:
issued
Fee:
$971
Permit Type:
N/A
Building Type:
N/A
Repairs and rehabilitation of existing cta brown line station with no changes proposed to existing use and occupancy of a-3/u or construction type iib. renovations include replacement of elevators and associated equipment new electrical room and service fire alarm upgrades renovation of bus operator toilet facility and customer service kiosk mechanical and plumbing upgrades to support... see more
Valuation:
$11,750,000
Permit #:
101064511
Status:
issued
Fee:
$7,383
Permit Type:
N/A
Building Type:
N/A
Chicago public schools - no change in use. interior alterations to existing pre-k classrooms located on first floor. no change to demising walls or common areas. chicago public schools- existing building. no changes to exterior of building occupancy group e-1 and construction type 1b
Valuation:
$474,000
Permit #:
101061938
Status:
issued
Fee:
$1,552
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: 3 story existing cps school. scope includes: 2 van accessible parking spaces; new concrete flatwork & accessible ramp at door 2; replace existing ramp fence and gate at parking lot; new interior doors at door 2; keyless access at main entry door; various interior alterations to office and toilet rooms; new vertical platform lift. occupancy group e-1; type iia cons... see more
Valuation:
$750,000
Permit #:
101063536
Status:
issued
Fee:
$2,474
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc:re-roofing and mechanical systems upgrades of an existing one-story cps high school consisting of 3 buildings a b & c. occupancy group e-1 for entire campus; construction type iib (building a) type iia (building b) and type ib (building c)
Valuation:
$4,500,000
Permit #:
101064634
Status:
issued
Fee:
$6,068
Permit Type:
N/A
Building Type:
N/A
Scope: nonstructural interior work to fire engine company 44 to replace air handling unit exhaust fans and reconfigure power and light fixtures. locations: 0 residential unit(s) 1 non-residential unit(s) 1 interior common areas exterior work parking lot roof south west facade hose tower
Valuation:
$2,559,592
Permit #:
B200410560
Status:
issued
Fee:
$25
Permit Type:
Other work
Building Type:
N/A
Chicago public schools - no change in use: interior alterations to existing pre-k classroom located on first floor. no change to demising walls or common areas. no changes to exterior of building & occupancy group e-1. existing building - construction type 1b
Valuation:
$290,000
Permit #:
101061936
Status:
issued
Fee:
$975
Permit Type:
N/A
Building Type:
N/A
Interior remodel of existing states attorneys office in cook county rockwell warehouse. scope of work includes existing office on first floor and swing space office on third floor per plans
Valuation:
$409,300
Permit #:
101063538
Status:
issued
Fee:
$1,391
Permit Type:
N/A
Building Type:
N/A
Self cert - chicago public school carnegie elementary - renovation project for mechanical equipment replacement replacement of generator and architectural finishes to accommodate mechanical scope
Valuation:
$4,500,000
Permit #:
101063520
Status:
issued
Fee:
$29,888
Permit Type:
N/A
Building Type:
N/A
Scope: nonstructural interior preparatory demolition; all other work to be permitted on permit no 101064511. locations: 0 residential unit(s) 0 non-residential unit(s) 1 interior common areas station interior lobby
Valuation:
$130,000
Permit #:
B200414643
Status:
issued
Fee:
$377
Permit Type:
Nonstructural int...
Building Type:
N/A
Self-cert 2019 cbrc:existing cps elementary school occupancy classification e-1 no change in use. partial mechanical electrical and plumbing systems replacement; replace fire alarm system partial roof replacement; interior and exterior repairs minor site improvements
Valuation:
$3,900,000
Permit #:
101041810
Status:
issued
Fee:
$26,513
Permit Type:
N/A
Building Type:
N/A
Scope: nonstructural interior alteration to include the remodel of existing locker room and washrooms remove and replace plumbing fixtures remove and replace electrical switches outlets and lighting to an existing city of chicago fire station.locations: 0 residential unit(s) 1 non-residential unit(s) 2nd fl washrooms and locker rooms
Valuation:
$319,000
Permit #:
B200008334
Status:
issued
Fee:
$25
Permit Type:
Nonstructural int...
Building Type:
N/A
Repair or in-kind replacement of 0 plumbing fixtures as described in permit application. repair or in-kind replacement of hot water heater(s). includes repair or replacment of plumbing piping. locations: 0 residential unit(s) 1 non-residential unit(s) existing mechanical room
Valuation:
$30,000
Permit #:
B200426133
Status:
issued
Fee:
$250
Permit Type:
plumbing work
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Katco Development Inc License info
Verified License
| License # | 25LIPL-0190 |
| Status | Active |
| City | Evanston |
| Type | Plumbing |
| Date Issued | 08-14-2025 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Katco Development Inc at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR0004674 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor, Plumbing |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Katco Development 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
| License # | SBC185216 |
| Status | Active |
| City | City Of Chicago |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Katco Development Inc at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Cook County |
| Type | Sewer |
| Date Issued | 02-03-2026 |
- BuildZoom verified this license was active as of July 2026.
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 | 02-03-2026 |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 05-00011968 |
| Status | Active |
| City | Aurora |
| Type | Plumbing Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2015. Check the current license status of Katco Development 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 # | CR2727 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of April, 2015. Check the current license status of Katco Development Inc with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2010-CR2727 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of April, 2015. Check the current license status of Katco Development Inc with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 11521 |
| Status | Inactive |
| Hoffman Estates | |
| Type | Sewer/Drains |
- According to the Village of Hoffman Estates, 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 Katco Development Inc at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR2727 |
| 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 Katco Development 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
| 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 # | 8023 |
| Status | Inactive |
| Hoffman Estates | |
| Type | Sewer/Drains |
- According to the Village of Hoffman Estates, 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 Katco Development Inc at the Village of Hoffman Estates.
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.
108
BuildZoom Score
173
Permits
- Building permit records show that Katco Development Inc has worked on 173 permitted projects.
Katco Development Inc Employees
KB
Karen Barba
Owner
WS
William Louis Salnick
Owner