Updated: Jul 25, 2026
Location and Projects
Address
785 Oakwood Rd E106, Lake Zurich, IL, 60047
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Markgraf's Heating & Air Conditioning
Markgraf's Heating & Air Conditioning, 785 Oakwood Rd, Lake Zurich, IL (Owned by: Robert D Markgraf) holds a Hvac license and 7 other licenses according to the Evanston license board.
Their BuildZoom score of 93 ranks in the top 27% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Markgraf's Heating & Air Conditioning, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Markgraf's Heating & Air Conditioning Services
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Markgraf's Heating & Air Conditioning Contact Information
Phone Number: (847) 438-0032
Address: 785 Oakwood Rd E106, Lake Zurich, IL 60047
Markgraf's Heating & Air Conditioning Lake Zurich
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Markgraf's Heating & Air Conditioning has a BuildZoom score of 93, which places them above 73% of 65,686 contractors in Illinois.
Activity
|
5 projects
|
2025 |
|
10 projects
|
2024 |
|
10 projects
|
2023 |
Our building permit records indicate that Markgraf's Heating & Air Conditioning has worked on at least
25.0 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
|
7 projects
|
Home Additions |
|
6 projects
|
New Constructions |
|
22 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Markgraf's Heating & Air Conditioning mostly works on
hvac project
and home addition
projects.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
4 projects
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $820,000. 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 Markgraf's Heating & Air Conditioning
This is a sample of this contractor's permits. Click here to access their complete permit history.
Spr 2019 cbc 2-story addition existing interior remodel new deck/pergola structure existing/proposed type va construction single family use r-5 occupancy classification per plans `**certified plans corrections: conditional permit subject to field inspections **
Valuation:
$450,000
Permit #:
100975060
Status:
suspended
Fee:
$876
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: rear 26ft high addition and partial interior alteration to existing residential single-household r-5 occupancy type v-a construction. architecture mechanical electrical and plumbing per plans
Valuation:
$250,000
Permit #:
101037736
Status:
complete
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
New single family home and detached garage - revision to garage age - added walks - added patio areas 2-14-25
Valuation:
$105,980
Permit #:
135559
Status:
issued
Fee:
$2,137
Permit Type:
N/A
Building Type:
N/A
Second floor frame addition/interior remodel(type iv construction occupancy group r-2 for current/proposed classification)
Valuation:
$258,063
Permit #:
100935838
Status:
expired
Fee:
$825
Permit Type:
N/A
Building Type:
N/A
Self-cert project for new rear 2 story addition and new dormer.interior renovation to existing residential single-household r-5 occupancxy type v-a construction. architecture mechanical electrical and plumbing per plans
Valuation:
$350,000
Permit #:
100926557
Status:
complete
Fee:
$934
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: renovation and second floor un-conditioned attic addition to existing residential single-household r-5 occupancy type v-a construction. architecture mechanical electrical and plumbing per plans
Valuation:
$250,000
Permit #:
100919214
Status:
issued
Fee:
$1,277
Permit Type:
N/A
Building Type:
N/A
Self-certification of interior renovation to existing residential single family home (r-5 occupancy) type v-a construction. area of work includes kitchen bathroom and adjacent areas. no change to footprint or far. mechanical electrical plumbing and architecture per plans
Valuation:
$30,000
Permit #:
100961095
Status:
issued
Fee:
$550
Permit Type:
N/A
Building Type:
N/A
New single family home and detached garage
Valuation:
$980,000
Permit #:
131695
Status:
issued
Fee:
$350
Permit Type:
N/A
Building Type:
N/A
New single family home and detached garage
Valuation:
$980,000
Permit #:
131694
Status:
issued
Fee:
$277
Permit Type:
N/A
Building Type:
N/A
New single family home and detached garage
Valuation:
$980,000
Permit #:
131693
Status:
issued
Fee:
$62
Permit Type:
N/A
Building Type:
N/A
New single family home and detached garage
Valuation:
$980,000
Permit #:
131692
Status:
issued
Fee:
$45
Permit Type:
N/A
Building Type:
N/A
New single family home and detached garage
Valuation:
$980,000
Permit #:
131691
Status:
issued
Fee:
$460
Permit Type:
N/A
Building Type:
N/A
New single family home and detached garage
Valuation:
$980,000
Permit #:
131690
Status:
issued
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
New single family home and detached garage
Valuation:
$980,000
Permit #:
131689
Status:
issued
Fee:
$62
Permit Type:
N/A
Building Type:
N/A
New single family home and detached garage
Valuation:
$980,000
Permit #:
131688
Status:
issued
Fee:
$830
Permit Type:
N/A
Building Type:
N/A
New single family home and detached garage
Valuation:
$980,000
Permit #:
131687
Status:
issued
Fee:
$235
Permit Type:
N/A
Building Type:
N/A
New single family home and detached garage
Valuation:
$980,000
Permit #:
131686
Status:
issued
Fee:
$19,757
Permit Type:
N/A
Building Type:
N/A
Interior renovation of basement to become part of first floor unit. replace rear enclosed porch structure with new framed 2 story addition electrical plumbing and heating work. existing occupancy r-5 proposed occupancy r-5 per plans ** certified plans corrections: conditional permit subject to field inspections **
Valuation:
$125,000
Permit #:
100913868
Status:
expired
Fee:
$817
Permit Type:
N/A
Building Type:
N/A
New single family dwelling ***1st permit extension. exp 11/10/23---free cr***
Valuation:
$970,000
Permit #:
BHVC-22-04746
Status:
final
Fee:
$305
Permit Type:
N/A
Building Type:
N/A
Sfd- new single family dwelling demolish done prior due to fire damage change of contractor 2/27/24-sk
Valuation:
$750,000
Permit #:
BHVC-23-05232
Status:
final
Fee:
$380
Permit Type:
N/A
Building Type:
N/A
Markgraf's Heating & Air Conditioning Reviews
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Verified License
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Markgraf's Heating & Air Conditioning License info
Verified License
| License # | 09LICH-0446 |
| Status | Active |
| City | Evanston |
| Type | Hvac |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Markgraf's Heating & Air Conditioning 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 # | 1065161-HVACCONT |
| Status | Active |
| State | Wisconsin |
| Type | Hvac Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Markgraf's Heating & Air Conditioning at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| Town | Palatine |
| Type | Hvac |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Markgraf's Heating & Air Conditioning 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 # | 11-00020921 |
| Status | Active |
| City | Aurora |
| Type | Heating Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2012. Check the current license status of Markgraf's Heating & Air Conditioning with the The City of Aurora, IL
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR5891 |
| Status | Inactive |
| County | Dupage County |
| Type | Hvac |
- 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.
Check this license's status for Markgraf's Heating & Air Conditioning 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 # | CR5891 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Hvac |
- 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.
Check this license's status for Markgraf's Heating & Air Conditioning 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 # | CL-160 |
| Status | Inactive |
| Town | Bartlett |
| Type | {U'license Type': U'hvac'} |
- According to the Contractors Licensed in Bartlett, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Markgraf's Heating & Air Conditioning at the Contractors Licensed in Bartlett.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Cook County |
| Type | Hvac |
- 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.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
270
Permits
- Building permit records show that Markgraf's Heating & Air Conditioning has worked on 270 permitted projects.
Markgraf's Heating & Air Conditioning Employees
RM
Robert D Markgraf
Owner