Updated: Jul 06, 2026
Location and Projects
Address
102 S Walnut St, Ottawa, KS, 66067
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Adamson Bros. Heating & Cooling
Adamson Bros. Heating & Cooling, 102 S Walnut St, Ottawa, KS (Owned by: Charles F Adamson) holds a Class E Mechanical Contractor license and 6 other licenses according to the Lawrence license board.
Their BuildZoom score of 101 ranks in the top 12% of 9,248 Kansas licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Adamson Bros. Heating & Cooling, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
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Adamson Bros. Heating & Cooling Contact Information
Phone Number: (785) 242-9273
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Address: 102 S Walnut St, Ottawa, KS 66067
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Adamson Bros. Heating & Cooling Ottawa
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Adamson Bros. Heating & Cooling has a BuildZoom score of 101, which places them above 88% of 9,248 contractors in Kansas.
Activity
|
2 projects
|
2025 |
|
4 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Adamson Bros. Heating & Cooling has worked on at least
10.0 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
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that Adamson Bros. Heating & Cooling mostly works on
commercial renovation
projects.
Pricing
|
1 project
|
$50k-$100k |
|
6 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
2 projects
|
$1mil+ |
The typical size of their permits is approximately $378,000. 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 Adamson Bros. Heating & Cooling
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remodel of 2nd floor to addition hearing room & office space - douglas county judicial law enforcement center
Valuation:
$308,745
Permit #:
1-22-01335
Status:
complete
Fee:
$2,597
Permit Type:
N/A
Building Type:
N/A
New pre-engineered metal building to be used as maintenance shop by douglas county - douglas county fairgrounds
Valuation:
$800,000
Permit #:
1-23-01126
Status:
complete
Fee:
$5,591
Permit Type:
N/A
Building Type:
N/A
Classroom renovation - pinkney elementary school
Valuation:
$357,045
Permit #:
COM-24-0194
Status:
issued
Fee:
$2,926
Permit Type:
N/A
Building Type:
N/A
Elevator renovation - lawrence arts center
Valuation:
$390,000
Permit #:
1-23-01383
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior renovation - trinity lutheran
Valuation:
$440,000
Permit #:
COM-24-0091
Status:
complete
Fee:
$3,477
Permit Type:
N/A
Building Type:
N/A
New commercial office building - roark office
Valuation:
$800,000
Permit #:
1-20-01595
Status:
complete
Fee:
$5,779
Permit Type:
N/A
Building Type:
N/A
Tenant finish - green valley lawrence
Valuation:
$366,000
Permit #:
1-22-01529
Status:
complete
Fee:
$2,980
Permit Type:
N/A
Building Type:
N/A
Enclose portion of existing open office space for two walled offices and one conference room - professional engineering consultants - #200
Valuation:
$75,553
Permit #:
1-23-00435
Status:
complete
Fee:
$991
Permit Type:
N/A
Building Type:
N/A
Interior remodel - peaceful rest funeral chapel
Valuation:
$300,000
Permit #:
1-21-01503
Status:
complete
Fee:
$2,537
Permit Type:
N/A
Building Type:
N/A
Tenant remodel - lawrence arts center
Valuation:
$600,000
Permit #:
1-21-01192
Status:
complete
Fee:
$4,451
Permit Type:
N/A
Building Type:
N/A
Residential new single family
Valuation:
$262,492
Permit #:
1-21-01835
Status:
complete
Fee:
$1,759
Permit Type:
N/A
Building Type:
N/A
Internal renovation & restroom remodel - watkins museum of history
Valuation:
$190,000
Permit #:
1-22-00241
Status:
complete
Fee:
$1,797
Permit Type:
N/A
Building Type:
N/A
New ada restroom and existing restroom finish upgrades - lawrence municipal airport
Valuation:
$80,000
Permit #:
1-21-01580
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel of the existing space - douglas county clerk's office
Valuation:
$114,274
Permit #:
1-22-00709
Status:
complete
Fee:
$1,293
Permit Type:
N/A
Building Type:
N/A
Interior building out - edward jones suite 400
Valuation:
$98,000
Permit #:
1-21-00120
Status:
complete
Fee:
$1,176
Permit Type:
N/A
Building Type:
N/A
Renovation - freestate dental
Valuation:
$75,000
Permit #:
1-21-01888
Status:
complete
Fee:
$983
Permit Type:
N/A
Building Type:
N/A
New 1-story - medical office building
Valuation:
$1,800,000
Permit #:
1-20-00309
Status:
complete
Fee:
$9,755
Permit Type:
N/A
Building Type:
N/A
Construction of a new multi-dwelling 3-story structure with 15 units - urban row multi-dwelling
Valuation:
$4,000,000
Permit #:
COM-25-0148
Status:
issued
Fee:
$18,137
Permit Type:
N/A
Building Type:
N/A
New duplex. (land disturbance permit = ldp-25-0045.)
Valuation:
$304,500
Permit #:
RES-25-1237
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Foundation waterproofing and drainage leader project - douglas county courthouse
Valuation:
$1,200,000
Permit #:
1-23-01003
Status:
expired
Fee:
$7,487
Permit Type:
N/A
Building Type:
N/A
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Adamson Bros. Heating & Cooling Reviews
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Verified License
BuildZoom confirmed this contractor's license
Adamson Bros. Heating & Cooling License info
Verified License
| License # | BCL-004502-2024 |
| Status | Active |
| City | Lawrence |
| Type | Class E Mechanical Contractor |
| Class | Class E Mechanical Contractor |
| Date Issued | 12-31-2025 |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Adamson Bros. Heating & Cooling at the City of Lawrence.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2015-5770 |
| Status | Active |
| County | Johnson County |
| Type | Mechanical Contractor |
| Class | DM |
- BuildZoom has not verified this license since February, 2015.
Verify this license's status for Adamson Bros. Heating & Cooling at the Johnson County Contractor Licensing Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | BCL-001917-2025 |
| Status | Inactive |
| City | Lawrence |
| Type | Class E Mechanical Contractor |
| Class | Class E Mechanical Contractor |
- According to the City of Lawrence, 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 Adamson Bros. Heating & Cooling at the City of Lawrence.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | BCL-001912-2025 |
| Status | Inactive |
| City | Lawrence |
| Type | Class E Mechanical Contractor |
| Class | Class E Mechanical Contractor |
- According to the City of Lawrence, 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 Adamson Bros. Heating & Cooling at the City of Lawrence.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2026-0005770 |
| Status | Inactive |
| County | Johnson County |
| Type | Mechanical Contractor |
- According to the Johnson County Contractor Licensing Division, 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 Adamson Bros. Heating & Cooling at the Johnson County Contractor Licensing Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2021-5770 |
| Status | Inactive |
| County | Johnson County |
| Type | Mechanical Contractor |
- According to the Johnson County Contractor Licensing Division, 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 Adamson Bros. Heating & Cooling at the Johnson County Contractor Licensing Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | BC-24588 |
| Status | Inactive |
| City | Lawrence |
| Type | Class E Mechanical Contractor |
| Class | Class E Mechanical Contractor |
- According to the City of Lawrence, 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 Adamson Bros. Heating & Cooling at the City of Lawrence.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
18
Permits
- Building permit records show that Adamson Bros. Heating & Cooling has worked on 18 permitted projects.
Adamson Bros. Heating & Cooling Employees
AF
Adamson, Charles F
AC
Adamson, Freddie C
CA
Charles F Adamson
Owner