Updated: May 10, 2026
Location and Projects
Address
7691 WOODLAND CIRCLE, Baltimore, MD, 21230
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Dennis Paul Callahan Architect
Dennis Paul Callahan, 7691 Woodland Cir, Baltimore, MD (Employee: Casey J Smith) holds a Architects license and 1 other license according to the Maryland license board.
Their BuildZoom score of 94 ranks in the top 24% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Dennis Paul Callahan, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Dennis Paul Callahan Services
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Dennis Paul Callahan Contact Information
Address: 7691 WOODLAND CIRCLE, Baltimore, MD 21230
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Dennis Paul Callahan Baltimore
Quality
94
76th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Dennis Paul Callahan has a BuildZoom score of 94, which places them above 76% of 58,058 contractors in Maryland.
Activity
|
2 projects
|
2025 |
Our building permit records indicate that Dennis Paul Callahan has worked on at least
2.0 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
|
2 projects
|
$20k-$50k |
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.
Installing a pole building of 20x30 kin the back of the property for storage purposes. <div>
Valuation:
$25,000
Permit #:
491812
Status:
complete
Fee:
$341
Permit Type:
Resuses
Building Type:
N/A
Construct a 40 x 50 pole building for storage purposes.<div>*4/3/2025 - applicant provided additional bracing details for plans review* - tlg</div><div>
Valuation:
$25,000
Permit #:
491595
Status:
issued
Fee:
$422
Permit Type:
Resuses
Building Type:
N/A
One-story 11.16 ft x 11.00 ft master bathroom addition;and convert existing bathroom to a walk-in closet
Valuation:
$15,000
Permit #:
16-027
Status:
complete
Fee:
$60
Permit Type:
Residence additio...
Building Type:
N/A
One-story 11.16 ft x 11.00 ft master bathroom addition;and convert existing bathroom to a walk-in closet
Valuation:
$15,000
Permit #:
16-027
Status:
complete
Fee:
$90
Permit Type:
Residence additio...
Building Type:
N/A
One-story 11.16 ft x 11.00 ft master bathroom addition;and convert existing bathroom to a walk-in closet
Valuation:
$15,000
Permit #:
16-026
Status:
complete
Fee:
N/A
Permit Type:
Residence additio...
Building Type:
N/A
One-story 11.16 ft x 11.00 ft master bathroom addition;and convert existing bathroom to a walk-in closet
Valuation:
$15,000
Permit #:
16-027
Status:
complete
Fee:
$185
Permit Type:
Residence additio...
Building Type:
N/A
One-story 11.16 ft x 11.00 ft master bathroom addition;and convert existing bathroom to a walk-in closet
Valuation:
$15,000
Permit #:
16-026
Status:
complete
Fee:
$185
Permit Type:
Residence additio...
Building Type:
N/A
One-story 11.16 ft x 11.00 ft master bathroom addition;and convert existing bathroom to a walk-in closet
Valuation:
$15,000
Permit #:
16-027
Status:
complete
Fee:
$185
Permit Type:
Residence additio...
Building Type:
N/A
One-story 11.16 ft x 11.00 ft master bathroom addition;and convert existing bathroom to a walk-in closet
Valuation:
$15,000
Permit #:
16-026
Status:
complete
Fee:
$185
Permit Type:
Residence additio...
Building Type:
N/A
Demolish tractor shed
Valuation:
N/A
Permit #:
11-390
Status:
complete
Fee:
N/A
Permit Type:
Demolition
Building Type:
N/A
Demolish tractor shed
Valuation:
N/A
Permit #:
11-390
Status:
complete
Fee:
N/A
Permit Type:
Demolition
Building Type:
N/A
Demolish tractor shed
Valuation:
N/A
Permit #:
11-390
Status:
issued
Fee:
N/A
Permit Type:
Demolition
Building Type:
N/A
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Dennis Paul Callahan Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Dennis Paul Callahan License info
Verified License
| License # | 16114 |
| Status | Active |
| State | Maryland |
| Type | Architects |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Dennis Paul Callahan 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 # | 16114 |
| Status | Inactive |
| State | Maryland |
| Type | Home Improvement |
- According to the Maryland Department of Labor, Licensing & Regulation, 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 Dennis Paul Callahan at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Dennis Paul Callahan Employees
CS
Casey J Smith
Owner
DC
Dennis Paul Callahan
Owner