Updated: May 17, 2026
Location and Projects
Address
05-13261420 Knecht Ave, Baltimore, MD, 21227
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Ruff Roofers, Inc Photos
Ruff Roofers, Inc
Offering award-winning professional roofing services to the Mid-Atlantic region for 75 years- Residential and Commercial Roofing.
Whatever the roofing need for built-up, single-ply, metal, slate, tile or asphalt shingle, Ruff Roofers has the versatility in management and application capabilities to be competitive on all roofing projects.
From BuildZoom: Ruff Roofers, Inc, 05-13261420 Knecht Ave, Baltimore, MD (Owned by: Timothy Ruff) holds a Home Improvement Salesman license and 18 other licenses according to the District of Columbia license board.
Their BuildZoom score of 105 ranks in the top 8% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ruff Roofers, Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Ruff Roofers, Inc Contact Information
Phone Number: (410) 242-2400
Address: 05-13261420 Knecht Ave, Baltimore, MD 21227
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace main roof
Valuation:
N/A
Permit #:
BLD21-0667
Status:
issued
Fee:
$2,586
Permit Type:
Residential
Building Type:
N/A
Replace roof
Valuation:
N/A
Permit #:
BLD21-0599
Status:
issued
Fee:
$838
Permit Type:
Residential
Building Type:
N/A
Replace balcony roof and decking
Valuation:
N/A
Permit #:
BLD18-0540
Status:
final
Fee:
$656
Permit Type:
Commercial
Building Type:
N/A
Replace skylight & addition roof coating
Valuation:
N/A
Permit #:
BLD18-0101
Status:
issued
Fee:
$257
Permit Type:
Residential
Building Type:
N/A
Replace skylight & addition roof coating
Valuation:
N/A
Permit #:
BLD18-0101
Status:
issued
Fee:
$257
Permit Type:
Residential
Building Type:
N/A
Remove & replace skylight & flashing
Valuation:
N/A
Permit #:
BLD18-0102
Status:
issued
Fee:
$298
Permit Type:
Residential
Building Type:
N/A
Remove & replace skylight & flashing
Valuation:
N/A
Permit #:
BLD18-0102
Status:
issued
Fee:
$298
Permit Type:
Residential
Building Type:
N/A
Replace gutters/downspouts
Valuation:
N/A
Permit #:
BLD18-0504
Status:
plancheck
Fee:
$125
Permit Type:
Residential
Building Type:
N/A
Replace roof & skylight
Valuation:
N/A
Permit #:
BLD16-0368
Status:
final
Fee:
$387
Permit Type:
Residential
Building Type:
N/A
Roof repairs
Valuation:
N/A
Permit #:
BLD16-0219
Status:
final
Fee:
$280
Permit Type:
Residential
Building Type:
N/A
Residential interior alteration single family dwelling permit
2016-11-10
Single family dwelling roof repairs to roof rafters from tree damage (approximately 205 sq. ft.)
Valuation:
N/A
Permit #:
B16004830
Status:
complete
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Replace roof gutters & downspouts
Valuation:
N/A
Permit #:
BLD16-0041
Status:
final
Fee:
$321
Permit Type:
Residential
Building Type:
N/A
Roof replacement in-kind (flat roof)
Valuation:
N/A
Permit #:
BLD15-0222
Status:
final
Fee:
$618
Permit Type:
Commercial
Building Type:
N/A
Replace roofing/gutters/downspouts
Valuation:
N/A
Permit #:
BLD22-0492
Status:
final
Fee:
$988
Permit Type:
Residential
Building Type:
N/A
Remove & replace roofing
Valuation:
N/A
Permit #:
BLD15-0529
Status:
final
Fee:
$279
Permit Type:
Residential
Building Type:
N/A
Roof replcmnt. after the fact
Valuation:
N/A
Permit #:
BLD20-0446
Status:
issued
Fee:
$475
Permit Type:
Residential
Building Type:
N/A
Remove & replace roof & skylight
Valuation:
N/A
Permit #:
BLD17-0485
Status:
final
Fee:
$359
Permit Type:
Residential
Building Type:
N/A
Replace standing seam metal roof
Valuation:
N/A
Permit #:
BLD16-0708
Status:
final
Fee:
$384
Permit Type:
Residential
Building Type:
N/A
Roof replacement
Valuation:
N/A
Permit #:
BLD15-0049
Status:
final
Fee:
$636
Permit Type:
Residential
Building Type:
N/A
Replace roof
Valuation:
N/A
Permit #:
BLD17-0435
Status:
issued
Fee:
$802
Permit Type:
Residential
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Ruff Roofers, Inc License info
License Not Verified
| License # | 420322000103 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of October, 2023. Check the current license status of Ruff Roofers, Inc with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 420322000102 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of October, 2023. Check the current license status of Ruff Roofers, Inc with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 420322000047 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of September, 2023. Check the current license status of Ruff Roofers, Inc with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 420322000048 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of September, 2023. Check the current license status of Ruff Roofers, Inc with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 420322000049 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of October, 2023. Check the current license status of Ruff Roofers, Inc with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 420321000482 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of August, 2023. Check the current license status of Ruff Roofers, Inc with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 420321000397 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of July, 2025. Check the current license status of Ruff Roofers, Inc with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 89295 |
| Status | Active |
| State | Maryland |
| Type | Home Improvement |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Ruff Roofers, Inc 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 # | PA160964 |
| Status | Active |
| State | Pennsylvania |
| Business Type | Corporation |
- BuildZoom has not verified this license since April, 2025.
Verify this license's status for Ruff Roofers, Inc at the Pennsylvania Office of the Attorney General.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 420315000300 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of April, 2021. Check the current license status of Ruff Roofers, Inc with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PA071317 |
| Status | Active |
| State | Pennsylvania |
| Type | Residential And Commerical Roofing And Sheet Metal. We Install All Types Of Roof Systems Flat-Tpo, Epdm, Ballasted, Single-Ply, Ect. And Steep Slope Systems - Metal, Slate, Shingle, Cedar Shake, Ect. We Specialize In Historic Renovation. We Also Fabricate |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of Ruff Roofers, Inc with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 89295 |
| Status | Active |
| State | Pennsylvania |
| Type | Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of Ruff Roofers, Inc with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 410511001045 |
| Status | Inactive |
| City | District Of Columbia |
| Type | Gen Contr Construction Mngr |
| Business Type | Corporation |
- According to the Department of Consumer and Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Ruff Roofers, Inc at the Department of Consumer and Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F149430-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Corporation |
- According to the United States Environmental Protection Agency, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Ruff Roofers, Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-717 |
| Status | Inactive |
| City | Annapolis |
| Type | Contractor |
| Business Type | Corporation |
- According to the The City of Annapolis, MD, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Ruff Roofers, Inc at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 420316000048 |
| Status | Inactive |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Corporation |
- According to the Department of Consumer and Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Ruff Roofers, Inc at the Department of Consumer and Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 420316000049 |
| Status | Inactive |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Corporation |
- According to the Department of Consumer and Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Ruff Roofers, Inc at the Department of Consumer and Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 420311003828 |
| Status | Inactive |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Corporation |
- According to the Department of Consumer and Regulatory Affairs, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Ruff Roofers, Inc at the Department of Consumer and Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Annapolis |
| Type | Plumbing Cont |
| Business Type | Corporation |
- According to the The City of Annapolis, MD, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Ruff Roofers, Inc at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Insured
| Insurer | Companion Property & Casualty |
| Insured up to | $2,000,000 |
74
Permits
- Building permit records show that Ruff Roofers, Inc has worked on 74 permitted projects.
Ruff Roofers, Inc Employees
DB
Derek Black
GR
George Rowe
RR
Robert C. Ruff
President
RC
Robert Condon
RN
Ryan Nagel
TR
Timothy R Ruff
Owner
TR
Timothy Ruff
Owner