Updated: Jul 07, 2026
Location and Projects
Address
12307 WASHINGTON AVENUE, Rockville, MD, 20852
Use our bidding system to
request a quote
Hann & Hann Construction
Based in Rockville, Maryland, Hann & Hann Inc specializes in home remodeling and renovation throughout the greater Montgomery County area. With over three decades of experience, the company takes on projects including kitchen and bathroom remodeling, basement finishing, home additions, and whole-house renovations. The team at Hann & Hann Inc works with residential clients, renovating single-family homes, condos, and townhouses. Their project portfolio highlights the use of custom cabinetry, updated lighting, and energy-efficient fixtures. The firm’s process involves comprehensive planning and coordination from design through construction. Hann & Hann Inc also works with universal design principles to improve accessibility in home spaces. Their service area includes Rockville, Bethesda, Potomac, and neighboring communities.
Hann & Hann Inc Services
Start a project today:
Hann & Hann Inc Contact Information
Phone Number: (301) 468-3340
Edit
Address: 12307 WASHINGTON AVENUE, Rockville, MD 20852
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Hann & Hann Inc Rockville
Quality
95
78th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hann & Hann Inc has a BuildZoom score of 95, which places them above 78% of 58,058 contractors in Maryland.
Activity
|
2 projects
|
2025 |
|
2 projects
|
2024 |
|
10 projects
|
2023 |
Our building permit records indicate that Hann & Hann Inc has worked on at least
14.0 projects over the past 3 years.
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
|
< $5k |
|
10 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $10,954. This graph shows the distribution of these job values.
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.
Public row - row - temp occupancy of row
2022-01-11
Temp occ of row; construction equipment the northbound right lane of washingtonian blvd to be temporarily blocked to vehicular traffic for roughly 265 feet (length of the garage) while the painting project is completed. security is onsite to direct traffic as part of our traffic plan. emergency vehicles will have access at all times. temp closures will occur from 7am-2pm. the pedestri... see more
Valuation:
N/A
Permit #:
ROW-25231-2021
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Framing repairs due to water damage. we are removing and replacing studs in kind. there are no alterations happening only repairs in kind per the engineers drawings
Valuation:
N/A
Permit #:
2026-12865-REP
Status:
awaiting payment
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building (c) - improvement - addition/structural or exterior alteration
2020-05-05
Request for a permit to: replace the exisiting window and doors on the carriage house behind the gaithersburg arts barn
Valuation:
$12,500
Permit #:
CIMP-21166-2020
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Clary's forest ii exterior stair case rehabilitation
Valuation:
N/A
Permit #:
B21004123
Status:
complete
Fee:
$321
Permit Type:
N/A
Building Type:
N/A
Clary's forest ii exterior stair case rehabilitation
Valuation:
N/A
Permit #:
B21004122
Status:
complete
Fee:
$321
Permit Type:
N/A
Building Type:
N/A
Clary's forest ii exterior stair case rehabilitation
Valuation:
N/A
Permit #:
B21004119
Status:
complete
Fee:
$321
Permit Type:
N/A
Building Type:
N/A
Clary's forest ii exterior stair case rehabilitation
Valuation:
N/A
Permit #:
B21004117
Status:
complete
Fee:
$321
Permit Type:
N/A
Building Type:
N/A
Clary's forest ii exterior stair case rehabilitation
Valuation:
N/A
Permit #:
B21004116
Status:
complete
Fee:
$321
Permit Type:
N/A
Building Type:
N/A
Remove & replace bay windows
Valuation:
$31,754
Permit #:
B02411544
Status:
filed
Fee:
$212
Permit Type:
N/A
Building Type:
N/A
Exterior alterations including sheathing
Valuation:
$18,295
Permit #:
B02428693
Status:
complete
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Exterior alterations including sheathing
Valuation:
$18,295
Permit #:
B02428691
Status:
complete
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Exterior alteration to repair framing/flashing/siding as necessary
Valuation:
$10,954
Permit #:
B02419120
Status:
filed
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Exterior alteration to repair framing/flashing/siding as necessary
Valuation:
$10,954
Permit #:
B02419118
Status:
filed
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Exterior alteration to repair framing/flashing/siding as necessary
Valuation:
$10,954
Permit #:
B02419117
Status:
filed
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Exterior alteration to repair framing/flashing/siding as necessary
Valuation:
$10,954
Permit #:
B02419116
Status:
filed
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Exterior alteration to repair framing/flashing/siding as necessary
Valuation:
$10,954
Permit #:
B02419124
Status:
filed
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Exterior alteration to repair framing/flashing/siding as necessary
Valuation:
$10,954
Permit #:
B02419123
Status:
filed
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Exterior alteration to repair framing/flashing/siding as necessary
Valuation:
$10,954
Permit #:
B02419122
Status:
filed
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Exterior alteration to repair framing/flashing/siding as necessary
Valuation:
$10,954
Permit #:
B02419121
Status:
filed
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Remove & replace bay window
Valuation:
$31,754
Permit #:
B02411543
Status:
filed
Fee:
$212
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
141
BZ Score
$8.5K
Avg Project
-
Projects
164
BZ Score
-
Avg Project
-
Projects
176
BZ Score
$20K
Avg Project
-
Projects
Hann & Hann Inc Reviews
BuildZoom hasn't received any reviews for Hann & Hann Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
Hann & Hann Inc License info
Verified License
| License # | 410523000428 |
| Status | Active |
| City | District Of Columbia |
| Type | Gen Contr Construction Mngr |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Hann & Hann Inc at 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 # | 420322000540 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
- When BuildZoom last verified this license, it had an expiration date of November, 2023. Check the current license status of Hann & Hann 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 # | 420222000129 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2024. Check the current license status of Hann & Hann 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 # | 420322000505 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
- When BuildZoom last verified this license, it had an expiration date of July, 2024. Check the current license status of Hann & Hann 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 # | 10436 |
| Status | Active |
| State | Maryland |
| Type | Home Improvement |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Hann & Hann Inc 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 # | NAT-22493-3 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Hann & Hann 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 # | 2705010534 |
| Status | Inactive |
| State | Virginia |
| Type | Commercial Improvement (Cic), Home Improvement (Hic), Lead Abatement (Lac) |
- According to the Virginia Department of Professional and Occupational 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 Hann & Hann Inc at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-22493-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Hann & Hann 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 # | 2010103551 |
| Status | Inactive |
| State | New Castle County |
| Type | Contractor Non Resident |
- According to the State of Delaware Department of Finance: Division of Revenue, 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 Hann & Hann Inc at the State of Delaware Department of Finance: Division of Revenue.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 68000619 |
| Status | Inactive |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
- 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. If this is your business, please update your license status.
Check this license's status for Hann & Hann 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 # | 41004072 |
| Status | Inactive |
| City | District Of Columbia |
| Type | Home Improvement Contractor |
- 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. If this is your business, please update your license status.
Check this license's status for Hann & Hann Inc at the Department of Consumer and Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
51
Permits
- Building permit records show that Hann & Hann Inc has worked on 51 permitted projects.
Hann & Hann Inc Employees
GH
Gary Hann
JJ
Jerry Johnston
SB
Stephen Bluestone
TH
Terry Hann
TH
Terry R Hann
Owner