Updated: Jul 07, 2026
Location and Projects
Address
4 N SCHOOL ST MT, Mount Prospect, IL, 60056
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Ralf K Construction Roofer
Their BuildZoom score of 0 does not rank in the top 50% of Illinois contractors.
If you are thinking of hiring Ralf K Construction Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Ralf K Construction Inc Contact Information
Phone Number: (773) 357-9922
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Address: 4 N SCHOOL ST MT, Mount Prospect, IL 60056
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Ralf K Construction Inc Mount Prospect
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Ralf K Construction Inc, click “This is My Business” to update your information.
Activity
|
2 projects
|
2023 |
Our building permit records indicate that Ralf K Construction Inc has worked on at least
2.0 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.
Pricing
|
1 project
|
$5k-$20k |
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 Ralf K Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
: single family residence tree removal permits #51956 and #51808 foundation only permit issued 01252022
Valuation:
N/A
Permit #:
52240
Status:
final
Fee:
$16,294
Permit Type:
N/A
Building Type:
Building use group
New roof structure over existing outdoor patio (previously permitted 100632977) per architectural plans.**certified corrections subject to field inspections & audit **
Valuation:
$4,000
Permit #:
100764176
Status:
phased permitting
Fee:
$375
Permit Type:
N/A
Building Type:
N/A
Reinstate permit number 100628204 change general contractor to ralf k construction inc change mason to choice masonry inc change electrician to eulo connections change hvac contractor to ngs inc
Valuation:
N/A
Permit #:
100879180
Status:
issued
Fee:
$1,538
Permit Type:
N/A
Building Type:
N/A
Tearoff existing shingles install ice and water shield install felt install new architectural shingles
Valuation:
$11,000
Permit #:
P20-0225
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Erect six (6) foot wood fence 320 linear feet. fence to be 4'6 in front yard
Valuation:
$10,000
Permit #:
100986763
Status:
issued
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Torch down rubber around parapett wall
Valuation:
N/A
Permit #:
19ROOF-0221
Status:
issued
Fee:
$113
Permit Type:
N/A
Building Type:
N/A
Self certification- new wood stairs from grade to roof with new wood walkway on 2nd floor roof repair west parapet wall and repair south parapet elevation above 2nd floor windows with new steel lintels on 2nd floor windows
Valuation:
$49,500
Permit #:
100679464
Status:
complete
Fee:
$525
Permit Type:
N/A
Building Type:
N/A
Spr - cbc 2019 - revision to permit # 100628204 to enclosenorth stairs at third and fourth floors and enclosewest stairs at third floor per plans (occupancy class r-2 construction type iiia)
Valuation:
$10,000
Permit #:
100995956
Status:
complete
Fee:
$550
Permit Type:
N/A
Building Type:
N/A
Interior alterations. replace existing rear wood porch with sae as per plans. new 250 lf of 6ft high wood fence. new 75 ft of 4 ft high iron fence
Valuation:
$80,000
Permit #:
100526084
Status:
complete
Fee:
$748
Permit Type:
N/A
Building Type:
N/A
Deconcert 2du into single family residence. interior alteration. replace two story rear porch with new wood deck as per plans
Valuation:
$80,000
Permit #:
100546879
Status:
complete
Fee:
$501
Permit Type:
N/A
Building Type:
N/A
Revision to permit # 100428779 issued 4/14/2012 to collect $1, 000 penalty fee stop work order fee and change the plumber of record to goodman plumbing
Valuation:
$1
Permit #:
100443778
Status:
issued
Fee:
$1,425
Permit Type:
N/A
Building Type:
N/A
Revision to permit no. 100628204 (reinstated on 100879180) for alter code approval to use sch 40 pvc for underground and above drainage and vent
Valuation:
$75
Permit #:
100880304
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
New front dormer addition. interior alteration and repairs as per plans
Valuation:
$45,000
Permit #:
100509307
Status:
complete
Fee:
$817
Permit Type:
N/A
Building Type:
N/A
Erect 8.0 high wrought iron fence with wood slats (50 lf). 10 ft. wrought iron/wood gate with 36 ln. ft
Valuation:
$8,100
Permit #:
100475119
Status:
issued
Fee:
$175
Permit Type:
N/A
Building Type:
N/A
Tear off and reroof
Valuation:
$3,000
Permit #:
17-07273
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family
New garage
Valuation:
$10,000
Permit #:
100930963
Status:
issued
Fee:
$550
Permit Type:
N/A
Building Type:
N/A
New rear second floor addition. interior alterations and repairs per plans
Valuation:
$30,000
Permit #:
100428779
Status:
complete
Fee:
$375
Permit Type:
N/A
Building Type:
N/A
Tear-off and re-roof house
Valuation:
N/A
Permit #:
19ROOF-0376
Status:
issued
Fee:
$488
Permit Type:
N/A
Building Type:
N/A
Rebuild 8 wood balconies
Valuation:
$4,000
Permit #:
100504231
Status:
complete
Fee:
$1,075
Permit Type:
N/A
Building Type:
N/A
Replace 42 sheets of 5/8 firecode drywall replace windows and roof shingles install new cabinets and baseboards
Valuation:
$2,500
Permit #:
100877251
Status:
issued
Fee:
$400
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Avg Project
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Projects
127
BZ Score
$11.2K
Avg Project
-
Projects
133
BZ Score
-
Avg Project
-
Projects
Ralf K Construction Inc Reviews
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Ralf K Construction Inc License info
License Not Verified
| License # | 104017441 |
| Status | Active |
| State | Illinois |
| Type | Licensed Roofing Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of Ralf K Construction Inc with the Illinois Department of Financial & Professional Regulation
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| Town | Palatine |
| Type | Roofer R |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Ralf K Construction Inc with the Village of Palatine Registered Contractors
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 104017441 |
| Status | Active |
| State | Illinois |
| Type | Roofing Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2017. Check the current license status of Ralf K Construction Inc with the Illinois Department of Financial & Professional Regulation
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 24420 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
- 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 Ralf K Construction Inc at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TGC032610 |
| Status | Inactive |
| City | City Of Chicago |
| Type | General Contractor (Class E) |
- 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 Ralf K Construction Inc 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 | E $500,000 Project Ceiling |
- 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 # | 19LIRO-0062 |
| Status | Inactive |
| City | Evanston |
| Type | Roofing |
- 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 Ralf K Construction 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 # | 15359 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
- 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 Ralf K Construction 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 | E $500,000 Project Ceiling |
- 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 # | CR8596 |
| Status | Inactive |
| County | Dupage County |
| Type | Roofing |
- 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 Ralf K Construction 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 |
| Town | Bartlett |
| Type | Roofing |
- According to the Contractors Licensed in Bartlett, 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 | D $2,000,000 Project Ceiling |
- 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 |
| County | Cook County |
| Type | Drywall |
- 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 |
| County | Cook County |
| Type | Concrete |
- 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 |
| County | Cook County |
| Type | Insulation |
- 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 |
| County | Cook County |
| Type | Roofing |
- 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.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Ralf K Construction Inc, click “This is My Business” to update your information.
17
Permits
- Building permit records show that Ralf K Construction Inc has worked on 17 permitted projects.
Ralf K Construction Inc Employees
MK
Marta Kszczotek
Owner
RK
Rafal Kszczotek
Owner
RI
Ralf K Construction Inc
Owner