Updated: Jun 06, 2026
Location and Projects
Address
9865 Wayne Ave, Cincinnati, OH, 45215
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Langdon Plumber
Langdon Inc, 9865 Wayne Ave, Cincinnati, OH (Employees: David E Sandman, David E Sandman Sandman, and Joseph Sandman Sandman) holds a Hydronics Contractor license and 17 other licenses according to the Ohio Professional license board.
Their BuildZoom score of 96 ranks in the top 20% of 52,717 Ohio licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Langdon Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Langdon Inc Services
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Langdon Inc Contact Information
Phone Number: (513) 733-5955
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Address: 9865 Wayne Ave, Cincinnati, OH 45215
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Demolish duct and equipment. install new duct equipment heaters controls hvac installation refrigeration piping
Valuation:
N/A
Permit #:
2024P01766
Status:
final
Fee:
$10,105
Permit Type:
Existing
Building Type:
N/A
Remove windows and install louvers install new ductwork 1 new ef & 1 replacement ef
Valuation:
N/A
Permit #:
2024P00693
Status:
issued
Fee:
$4,414
Permit Type:
Existing
Building Type:
N/A
Remove windows and install louvers install new ductwork 1 new ef & 1 replacement ef
Valuation:
N/A
Permit #:
2024P00693
Status:
applied
Fee:
$120
Permit Type:
Existing
Building Type:
N/A
Hvac for storage room - ge aerospace atc
Valuation:
N/A
Permit #:
BLD-HC23-00780
Status:
final
Fee:
$1,451
Permit Type:
N/A
Building Type:
N/A
Hvac - butler tech drl
Valuation:
N/A
Permit #:
BLD-HC24-00724
Status:
issued
Fee:
$3,048
Permit Type:
N/A
Building Type:
N/A
Spray booth - anest iwata usa inc
Valuation:
$12,000
Permit #:
BLD-CO17-03893
Status:
final
Fee:
$215
Permit Type:
N/A
Building Type:
N/A
Install 2 split systems 3 exhaust fans and 5 heaters
Valuation:
N/A
Permit #:
2021P03917
Status:
final
Fee:
$1,126
Permit Type:
Existing
Building Type:
N/A
New heating & air conditioning equipment/ducts
Valuation:
$432,000
Permit #:
2000019
Status:
issued
Fee:
$1,008
Permit Type:
N/A
Building Type:
N/A
Hvac -(atc17-5)-ge aviation
Valuation:
N/A
Permit #:
BLD-HC17-02355
Status:
final
Fee:
$1,163
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Langdon Inc License info
Verified License
| License # | HY.26514 |
| Status | Active |
| City | Ohio Professional |
| Type | Hydronics Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Langdon Inc at the Ohio Professional License Center.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | RE.26514 |
| Status | Active |
| City | Ohio Professional |
| Type | Refrigeration Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Langdon Inc at the Ohio Professional License Center.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HV.26514 |
| Status | Active |
| City | Ohio Professional |
| Type | Hvac Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Langdon Inc at the Ohio Professional License Center.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | RE.24400 |
| Status | Active |
| City | Ohio Professional |
| Type | Refrigeration Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Langdon Inc at the Ohio Professional License Center.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HV.24400 |
| Status | Active |
| City | Ohio Professional |
| Type | Hvac Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Langdon Inc at the Ohio Professional License Center.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | PL.24400 |
| Status | Active |
| City | Ohio Professional |
| Type | Plumbing Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Langdon Inc at the Ohio Professional License Center.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HY.24400 |
| Status | Active |
| City | Ohio Professional |
| Type | Hydronics Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Langdon Inc at the Ohio Professional License Center.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HV.26512 |
| Status | Active |
| City | Ohio Professional |
| Type | Hvac Contractor |
- When BuildZoom last verified this license, it had an expiration date of September, 2017. Check the current license status of Langdon Inc with the Ohio Professional License Center
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | RE.26512 |
| Status | Active |
| City | Ohio Professional |
| Type | Refrigeration Contractor |
- When BuildZoom last verified this license, it had an expiration date of September, 2017. Check the current license status of Langdon Inc with the Ohio Professional License Center
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | RE-0000026512 |
| Status | Active |
| State | Ohio |
| Type | Refrigeration |
- When BuildZoom last verified this license, it had an expiration date of September, 2015. Check the current license status of Langdon Inc with the Ohio Department of Commerce
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HV-0000026512 |
| Status | Active |
| State | Ohio |
| Type | HVAC |
- When BuildZoom last verified this license, it had an expiration date of September, 2015. Check the current license status of Langdon Inc with the Ohio Department of Commerce
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | RE.26512 |
| Status | Inactive |
| City | Ohio Professional |
| Type | Refrigeration Contractor |
- According to the Ohio Professional License Center, 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 Langdon Inc at the Ohio Professional License Center.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HV.26512 |
| Status | Inactive |
| City | Ohio Professional |
| Type | Hvac Contractor |
- According to the Ohio Professional License Center, 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 Langdon Inc at the Ohio Professional License Center.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CBRC001049 |
| Status | Inactive |
| City | Cincinnati |
| Type | Plumbing State Licensed |
- According to the Cincinnati Area Geographic Information Systems, 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 Langdon Inc at the Cincinnati Area Geographic Information Systems.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CBRC001049 |
| Status | Inactive |
| City | Cincinnati |
| Type | Mechanical State Licensed |
- According to the Cincinnati Area Geographic Information Systems, 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 Langdon Inc at the Cincinnati Area Geographic Information Systems.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CBRC001049 |
| Status | Inactive |
| City | Cincinnati |
| Type | Hydronic Piping State Licensed |
- According to the Cincinnati Area Geographic Information Systems, 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 Langdon Inc at the Cincinnati Area Geographic Information Systems.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CBRC001049 |
| Status | Inactive |
| City | Cincinnati |
| Type | General |
- According to the Cincinnati Area Geographic Information Systems, 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 Langdon Inc at the Cincinnati Area Geographic Information Systems.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CBRC001049 |
| Status | Inactive |
| City | Cincinnati |
| Type | Refrigeration State Licensed |
- According to the Cincinnati Area Geographic Information Systems, 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 Langdon Inc at the Cincinnati Area Geographic Information Systems.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
7
Permits
- Building permit records show that Langdon Inc has worked on 7 permitted projects.
Langdon Inc Employees
DS
David E Sandman
DS
David E Sandman Sandman
JS
Joseph Sandman Sandman
MS
Michael N Sandman Sandman