Updated: May 30, 2026
Location and Projects
Address
83 E GARFIELD AVE, Palatine, IL, 60067
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William Koopmann Construction
Their BuildZoom score of 0 does not rank in the top 50% of Illinois contractors.
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William Koopmann Services
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William Koopmann Contact Information
Phone Number: (847) 847-9452
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Address: 83 E GARFIELD AVE, PALATINE, IL 60067
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Install new electrical devices on existing in kitchen
Valuation:
$300
Permit #:
B100743350
Status:
complete
Fee:
$75
Permit Type:
Electrical work
Building Type:
N/A
Install power for the dishwasher install service disconnect switch for the dishwasher install outlet for the stove install outlet for the microwave install 2 20amp tr gfci outlets in existing openings install outlet in the island
Valuation:
$2,400
Permit #:
B100623250
Status:
complete
Fee:
$50
Permit Type:
Electrical work
Building Type:
N/A
Install new 20a gfci to replace old install new outlet right of the vanity install new light switch install vanity light install new light switches install new ceiling light new bathroom fan install new panel & sub panel
Valuation:
$8,450
Permit #:
B100609780
Status:
complete
Fee:
$50
Permit Type:
Electrical work
Building Type:
N/A
Install 4 new 20amp tr gfci outlets install 3 20amp outlets in existing openings install service disconnect switch for the d/w install power for d/w install power for the hood install outlet at the end of the peninsula
Valuation:
$3,151
Permit #:
B100611856
Status:
complete
Fee:
$50
Permit Type:
Electrical work
Building Type:
N/A
Proposed 3rd story addition interior alterations replace front 1 story open wood deck & stairs and replace rear 2 story open porch with 3 story open wood porch to existing 2 story brick with basement single family residential per plans front building **certified plans corrections: conditional permit subject to field inspections **
Valuation:
$120,000
Permit #:
100646466
Status:
complete
Fee:
$1,041
Permit Type:
N/A
Building Type:
N/A
Install outlet for the microwave install power for the dishwasher install disconnect switch for the dishwasher under the sink update existing outlet remove & reinstall light above the sink
Valuation:
$1,170
Permit #:
B100605942
Status:
complete
Fee:
$50
Permit Type:
Electrical work
Building Type:
N/A
Update outlets install new outlets install new switches install new fixtures install switch & power for disposal & dishwasher outlet for appliances install under cabinet lights
Valuation:
$5,531
Permit #:
B100610323
Status:
complete
Fee:
$50
Permit Type:
Electrical work
Building Type:
N/A
Install 1 new 20amp outlet update 4 existing outlets service disconnect switch for the dishwasher power for the hood 220 for cooktop 220 for stove outlet for the wine cooler
Valuation:
$2,600
Permit #:
B100632713
Status:
complete
Fee:
$75
Permit Type:
Electrical work
Building Type:
N/A
Install new 20amp tr gfci outlet in existing opening remove/reinstall switchen & outlet by door to allow tub into the room run 3 new circuits (1 for outlet 2 for the tub)
Valuation:
$2,000
Permit #:
B100631504
Status:
complete
Fee:
$75
Permit Type:
Electrical work
Building Type:
N/A
Install under cabinet tape lights install microwave outlet & circuit relocate 220 outlet for the range disconnect switch for the dishwasher & power install pendant lights
Valuation:
$4,314
Permit #:
B100608977
Status:
complete
Fee:
$50
Permit Type:
Electrical work
Building Type:
N/A
Lower existing microwave outlet install new microwave outlet install gfci left of stove update existing outlet to gfci's service disconnect switch for the dishwasher
Valuation:
$1,500
Permit #:
B100633873
Status:
complete
Fee:
$75
Permit Type:
Electrical work
Building Type:
N/A
Install new 20amp tr gfci backsplash outlets install 20amp tr gfci outlets in existing openings service disconnect switch for d/w outlets for microwave range & fridge
Valuation:
$2,315
Permit #:
B100620118
Status:
complete
Fee:
$50
Permit Type:
Electrical work
Building Type:
N/A
Microwave outlet disconnect switch for the dishwasher cap power of existing oven stove outlet update existing outlet install new outlet can light above the sink
Valuation:
$2,390
Permit #:
B100632645
Status:
complete
Fee:
$75
Permit Type:
Electrical work
Building Type:
N/A
Relocate range outlet to new location install 2 new outlets install disconnects for d/w & disposal relocate ceiling fixture switches install outlet in the island
Valuation:
$3,200
Permit #:
B100627628
Status:
complete
Fee:
$50
Permit Type:
Electrical work
Building Type:
N/A
Install new vanity light exhaust fan w/light change singe switch to a 3 switch new 20amp tr gfci outlet in existing opening dedicated circuits to bathroom
Valuation:
$1,450
Permit #:
B100631050
Status:
complete
Fee:
$75
Permit Type:
Electrical work
Building Type:
N/A
Install 4 new 20amp tr gfci outlets in stall gfci in island disconnect switch for the dishwasher undercabinet lights & 1 switch new ceiling light fixture
Valuation:
$3,548
Permit #:
B100613738
Status:
complete
Fee:
$50
Permit Type:
Electrical work
Building Type:
N/A
Update outlets to tr gfci replace 2 switches install new recessed lights install undercabinet lights dishwasher disconnect switch garbage disposal power remove/replace lights
Valuation:
$3,000
Permit #:
B100590577
Status:
complete
Fee:
$50
Permit Type:
Electrical work
Building Type:
N/A
Update outlet to 20a tr gfci change 2 gan switch openings to new switch on left & double switch on right change ceiling can to flush mount reconfigure electrical for new light bar
Valuation:
$675
Permit #:
B100583187
Status:
complete
Fee:
$50
Permit Type:
Electrical work
Building Type:
N/A
Install 2 new 20amp tr gfci outlets install 4 20amp tr gfci outlets in existing openings install fridge & stove outlet install power for the hood
Valuation:
$2,100
Permit #:
B100620138
Status:
complete
Fee:
$50
Permit Type:
Electrical work
Building Type:
N/A
Install service disconnect switch for the dishwasher power for the dishwasher install 3 new lights finish installing all outlets in the kitchen area
Valuation:
$1,213
Permit #:
B100608839
Status:
complete
Fee:
$50
Permit Type:
Electrical work
Building Type:
N/A
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William Koopmann License info
License Not Verified
| License # | 2014-CR5307 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of February, 2015. Check the current license status of William Koopmann with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CR5307 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of February, 2015. Check the current license status of William Koopmann with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR5307 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Electric |
- 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 William Koopmann 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 | General |
- 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 # | CR5307 |
| Status | Inactive |
| County | Dupage County |
| Type | Electric |
- 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 William Koopmann at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
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269
Permits
- Building permit records show that William Koopmann has worked on 269 permitted projects.