Updated: Apr 21, 2026
Location and Projects
Address
1311 OLD PINE COURT., Arnold, MD, 21012
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John C. Hannon Construction
John C. Hannon, 1311 Old Pine Ct, Arnold, MD holds a Plumbers license and 1 other license according to the Maryland license board.
Their BuildZoom score of 98 ranks in the top 16% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John C. Hannon, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
John C. Hannon Services
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John C. Hannon Contact Information
Address: 1311 OLD PINE COURT., Arnold, MD 21012
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John C. Hannon Arnold
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
John C. Hannon has a BuildZoom score of 98, which places them above 84% of 58,058 contractors in Maryland.
Activity
|
3 projects
|
2025 |
Our building permit records indicate that John C. Hannon has worked on at least
3.0 projects over the past year.
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
|
$100k-$250k |
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Construct an addition w/deck and patio below on unfinished basement for master bedroom & bathroom<div>install entry door and window well in existing basement storage room</div><div>
Valuation:
$200,000
Permit #:
2431726
Status:
canceled
Fee:
$78
Permit Type:
Ipbldg
Building Type:
N/A
Repair of failing septic system
Valuation:
N/A
Permit #:
PAT02052156
Status:
approved
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Replace 20ft of 3/4 galvanized water pipe and snake out main sewer line
Valuation:
N/A
Permit #:
BRCM-25-018212
Status:
complete
Fee:
$52
Permit Type:
Interior trades only
Building Type:
N/A
Residential single family dwelling permit
2004-02-09
Encls ex 1-car rga/carpt for scnd por & 12x12 part of crpt for bth, 20x8 fyr addition, 20x6 frt por adtn, rpl wndws/doors, rnvt ktchn/fam room, re-truss attic
Valuation:
$90,000
Permit #:
B02199632
Status:
canceled
Fee:
$517
Permit Type:
Addition
Building Type:
Single family dwe...
Install new fire protection system per nfpa codes-pof b02180876-b02180803**instant permit**
Valuation:
$1,500
Permit #:
B02191420
Status:
complete
Fee:
$55
Permit Type:
Addition
Building Type:
Sprinkler
Pull and replace breakers in panel
Valuation:
N/A
Permit #:
BRCM-25-018210
Status:
complete
Fee:
$101
Permit Type:
Interior trades only
Building Type:
N/A
Residential accessory structure (detached garage/carport shed pool gazebo)
2019-01-14
Const 12x12 shed in back yard *principal 21'h
Valuation:
$1,200
Permit #:
B02366235
Status:
expired
Fee:
$85
Permit Type:
N/A
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
John C. Hannon License info
Verified License
| License # | 75846 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for John C. Hannon at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 75846 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- When BuildZoom last verified this license, it had an expiration date of August, 2018. Check the current license status of John C. Hannon with the Maryland Department of Labor, Licensing & Regulation
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
6
Permits
- Building permit records show that John C. Hannon has worked on 6 permitted projects.
John C. Hannon Employees
JH
John C. Hannon
Owner