Updated: Mar 03, 2026
Location and Projects
Address
524-B LINCOLN STREET, Denton, MD, 21629
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Richard Mark Conner Plumber
Richard Mark Conner, 524- B Lincoln St, Denton, MD holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 2 other licenses according to the Maryland license board.
Their BuildZoom score of 99 ranks in the top 15% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Richard Mark Conner, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Richard Mark Conner Services
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Richard Mark Conner Contact Information
Phone Number: (410) 499-0715
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Address: 524-B LINCOLN STREET, Denton, MD 21629
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Construction of replacement 2-story single family dwellingwith attached 2 bay garage; construction of (*see text*)
Valuation:
$3,150,000
Permit #:
20-459
Status:
issued
Fee:
$70
Permit Type:
Residential repla...
Building Type:
N/A
Construction of replacement 2-story single family dwellingwith attached 2 bay garage; construction of (*see text*)
Valuation:
$3,150,000
Permit #:
20-459
Status:
issued
Fee:
$70
Permit Type:
Residential repla...
Building Type:
N/A
Replacement of an existing legal non-conforming 2-storysingle family dwelling; to be constructed within (see text)
Valuation:
$450,000
Permit #:
21-266
Status:
issued
Fee:
$70
Permit Type:
Residential repla...
Building Type:
N/A
Replacement of an existing legal non-conforming 2-storysingle family dwelling; to be constructed within (see text)
Valuation:
$450,000
Permit #:
21-266
Status:
issued
Fee:
$70
Permit Type:
Residential repla...
Building Type:
N/A
Renovation of an existing 1½ story single family dwelling;1st floor renovations include expansion of (*see text*)
Valuation:
$325,000
Permit #:
20-561
Status:
issued
Fee:
$70
Permit Type:
Residence additio...
Building Type:
N/A
Construction of a new 1-story single family dwelling;includes a living room kitchen dining room (*see text*)
Valuation:
$275,000
Permit #:
20-624
Status:
issued
Fee:
$70
Permit Type:
Residence single ...
Building Type:
N/A
Construction of a new 1-story single family dwelling;includes a living room kitchen dining room (*see text*)
Valuation:
$275,000
Permit #:
20-624
Status:
issued
Fee:
$70
Permit Type:
Residence single ...
Building Type:
N/A
Renovation of an existing single family dwelling: constructa master bedroom and bathroom (*see text*) amended 8/9/19
Valuation:
$200,000
Permit #:
19-113
Status:
issued
Fee:
$70
Permit Type:
Residence additio...
Building Type:
N/A
Renovation of an existing single family dwelling: constructa master bedroom and bathroom (*see text*) amended 8/9/19
Valuation:
$200,000
Permit #:
19-113H
Status:
issued
Fee:
$40
Permit Type:
Residence additio...
Building Type:
N/A
1½-story replacement single family dwelling (“gatehouse”):1st floor includes a den/study living room (*see text*)
Valuation:
$256,000
Permit #:
18-448
Status:
issued
Fee:
$70
Permit Type:
Residential repla...
Building Type:
N/A
1½-story replacement single family dwelling (“gatehouse”):1st floor includes a den/study living room (*see text*)
Valuation:
$256,000
Permit #:
18-448
Status:
issued
Fee:
$70
Permit Type:
Residential repla...
Building Type:
N/A
Construct a 2-bay attached garage with a four-season roomconnecting to existing dwelling (*see text*) amended 10/3/19
Valuation:
$197,242
Permit #:
18-613
Status:
issued
Fee:
$70
Permit Type:
Residence additio...
Building Type:
N/A
Construct a 22.5 ft x 29.5 ft addition to an existing singlefamily dwelling: includes a family room (*see text*)
Valuation:
$68,000
Permit #:
19-519
Status:
complete
Fee:
$70
Permit Type:
Residence additio...
Building Type:
N/A
Renovation of an existing ag-mixed use building; additionof hvac insulation and drywall to finish (*see text*)
Valuation:
$62,000
Permit #:
20-446
Status:
complete
Fee:
$70
Permit Type:
Agricultural mixe...
Building Type:
N/A
Renovation of existing single family dwelling: construct a2-story addition with a front porch laundry (*see text*)
Valuation:
$103,000
Permit #:
17-290
Status:
issued
Fee:
$70
Permit Type:
Residence additio...
Building Type:
N/A
Renovation of an existing 1½-story detached garage: convertportion of 1st floor(*see text*) amended 6/12/18 & 2/19/19
Valuation:
$65,000
Permit #:
18-209
Status:
complete
Fee:
$70
Permit Type:
Residence additio...
Building Type:
N/A
Renovation of an existing 1½-story detached garage: convertportion of 1st floor(*see text*) amended 6/12/18 & 2/19/19
Valuation:
$65,000
Permit #:
18-209
Status:
complete
Fee:
$70
Permit Type:
Residence additio...
Building Type:
N/A
Replace gas furnace heat pump & ductwork
Valuation:
N/A
Permit #:
H21-015
Status:
filed
Fee:
$70
Permit Type:
Residential hvacr
Building Type:
N/A
Change out-replace boiler
Valuation:
N/A
Permit #:
H18-038
Status:
complete
Fee:
$40
Permit Type:
Residential hvacr
Building Type:
N/A
Interior renovation of an existing 2½-story single familydwelling; renovation of 2nd floor bathrooms (see text)
Valuation:
$300,000
Permit #:
21-655
Status:
issued
Fee:
$70
Permit Type:
Residence additio...
Building Type:
N/A
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BZ Score
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120
BZ Score
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Verified License
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Richard Mark Conner License info
Verified License
| License # | 4643 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Richard Mark Conner at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 3839 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Richard Mark Conner at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-998 |
| Status | Inactive |
| City | Annapolis |
| Type | Mech Cont |
- According to the The City of Annapolis, MD, 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 Richard Mark Conner at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
40
Permits
- Building permit records show that Richard Mark Conner has worked on 40 permitted projects.
Richard Mark Conner Employees
RC
Richard Mark Conner
Owner