Updated: Apr 20, 2026
Location and Projects
Address
7809 Ridge Road, Frederick, MD, 21702
Use our bidding system to
request a quote
Herbert M. Dennison, III Plumber
Herbert M. Dennison, III, 7809 Ridge Rd, Frederick, MD (Owned by: Herbert Millard Dennison Jr) holds a Plumbers license and 2 other licenses according to the Maryland license board.
Their BuildZoom score of 101 ranks in the top 12% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Herbert M. Dennison, III, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Herbert M. Dennison, III Services
Start a project today:
Herbert M. Dennison, III Contact Information
Phone Number: (301) 473-4015
Edit
Address: 7809 Ridge Road, Frederick, MD 21702
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Herbert M. Dennison, III Frederick
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Herbert M. Dennison, III has a BuildZoom score of 101, which places them above 88% of 58,058 contractors in Maryland.
Activity
|
1 project
|
2025 |
|
6 projects
|
2023 |
Our building permit records indicate that Herbert M. Dennison, III has worked on at least
7.0 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.
Experience
|
5 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Herbert M. Dennison, III mostly works on
plumbing project
projects.
Pricing
|
1 project
|
$500k-$1mil |
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.
Building Permits by Herbert M. Dennison, III
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replacement of existing single-family home destroyed by fire on october 5. replacement house to have 4 bedrooms 6 full baths 2 half bathrooms. 2 laundry rooms one wood fireplace. new basement under existing porch area and existing office area. demolish 487086<div><p><span style="font-size: 9pt; color: rgb(26 26 26);">$$$$ energy efficiency compliance method will use the md state amend... see more
Valuation:
$800,000
Permit #:
488521
Status:
issued
Fee:
$1,582
Permit Type:
Resbldg
Building Type:
N/A
Demolish existing house down to foundation to rebuild on existing foundation. existing home condemned due to fire.<div>*this permit is for demolition work only any construction will require a separate building permit*</div><div>
Valuation:
$850,000
Permit #:
487086
Status:
complete
Fee:
$236
Permit Type:
Demolition
Building Type:
N/A
Suite c-3 the bagerly & deli install (50) circuits into an existing electrical service; 56 receptacles 10 switches 8 emergency lights 6 cctv 6 voice-data devices 4 exit lights 4 security devices & 2 low voltage occupancy sensors;100a fdr.; 2 walk ins; 56 lighting; 1 tk.ltg.;2 exh.fans; 1 mua fan. 4435708210 b20000287
Valuation:
N/A
Permit #:
E20002993
Status:
complete
Fee:
$237
Permit Type:
N/A
Building Type:
N/A
Family building unit 314 - interior fit-out of a 1260 sf three bedroom two bathroom apartment unit with balcony (model 3a)
Valuation:
N/A
Permit #:
BP-21-00194-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Family building unit 313 - interior fit-out of a 1260 sf three bedroom two bathroom apartment unit with balcony (model 3a)
Valuation:
N/A
Permit #:
BP-21-00193-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Family building unit 307 - interior fit-out of a 674 sf one bedroom one bathroom apartment unit with balcony (model 1b-ufas)
Valuation:
N/A
Permit #:
BP-21-00187-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Family building unit 305 - interior fit-out of a 1280 sf three bedroom two bathroom apartment unit with balcony (model 3b)
Valuation:
N/A
Permit #:
BP-21-00185-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Family building unit 301 - interior fit-out of a 1260 sf three bedroom two bathroom apartment unit with balcony (model 3a)
Valuation:
N/A
Permit #:
BP-21-00181-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Family building unit 312 - interior fit-out of a 674 sf one bedroom one bathroom apartment unit with balcony (model 1a)
Valuation:
N/A
Permit #:
BP-21-00192-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Family building unit 311 - interior fit-out of a 930 sf two bedroom two bathroom apartment unit with balcony (model 2a)
Valuation:
N/A
Permit #:
BP-21-00191-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Family building unit 310 - interior fit-out of a 674 sf one bedroom one bathroom apartment unit with balcony (model 1a)
Valuation:
N/A
Permit #:
BP-21-00190-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Family building unit 309 - interior fit-out of a 930 sf two bedroom two bathroom apartment unit with balcony (model 2a)
Valuation:
N/A
Permit #:
BP-21-00189-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Family building unit 308 - interior fit-out of a 930 sf two bedroom two bathroom apartment unit with balcony (model 2a)
Valuation:
N/A
Permit #:
BP-21-00188-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Family building unit 306 - interior fit-out of a 930 sf two bedroom two bathroom apartment unit with balcony (model 2a)
Valuation:
N/A
Permit #:
BP-21-00186-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Family building unit 304 - interior fit-out of a 674 sf one bedroom one bathroom apartment unit with balcony (model 1a)
Valuation:
N/A
Permit #:
BP-21-00184-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Family building unit 303 - interior fit-out of a 930 sf two bedroom two bathroom apartment unit with balcony (model 2a)
Valuation:
N/A
Permit #:
BP-21-00183-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Family building unit 302 - interior fit-out of a 674 sf one bedroom one bathroom apartment unit with balcony (model 1a)
Valuation:
N/A
Permit #:
BP-21-00182-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Senior building 2 unit 225 - interior fit-out of a 868 sf two bedroom one bathroom apartment unit (model 2g-ufas)
Valuation:
N/A
Permit #:
BP-21-00021-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Senior building 2 unit 326 - interior fit-out of a 750 sf one bedroom one bathroom apartment unit (model 1q)
Valuation:
N/A
Permit #:
BP-21-00028-02
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Senior building 2 unit 325 - interior fit-out of a 865 sf one bedroom one bathroom apartment unit (model 1r)
Valuation:
N/A
Permit #:
BP-21-00027-02
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
License # 116613
Elkridge, MD
114
BZ Score
$30K
Avg Project
-
Projects
License # 420312000110
Savage, MD
113
BZ Score
$5K
Avg Project
-
Projects
120
BZ Score
$1.5K
Avg Project
-
Projects
Herbert M. Dennison, III Reviews
BuildZoom hasn't received any reviews for Herbert M. Dennison, III. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you a plumber in your area today
We'll search our vast network of Plumbers and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
Herbert M. Dennison, III License info
Verified License
| License # | 20611 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Herbert M. Dennison, III 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 # | 10040 |
| Status | Active |
| State | Maryland |
| Type | Master Plumbergas Fitter Plumbers |
- When BuildZoom last verified this license, it had an expiration date of June, 2014. Check the current license status of Herbert M. Dennison, III with the Maryland Department of Labor, Licensing & Regulation
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Annapolis |
| Type | Plumbing 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 Herbert M. Dennison, III at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Insured
| Insurer | Delauder Insurance Agency |
242
Permits
- Building permit records show that Herbert M. Dennison, III has worked on 242 permitted projects.
Herbert M. Dennison, III Employees
HJ
Herbert Millard Dennison Jr
Owner