Updated: Apr 20, 2026
Location and Projects
Address
6600 TYDINGS RD, Eldersburg, MD, 21784
Use our bidding system to
request a quote
Mario A. Diangelo Plumber
Mario A. Diangelo, 6600 Tydings Rd, Eldersburg, MD (Employee: Allysha Nelson Lorber) holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 5 other licenses according to the Maryland license board.
Their BuildZoom score of 107 ranks in the top 6% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mario A. Diangelo, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mario A. Diangelo Services
Start a project today:
Mario A. Diangelo Contact Information
Phone Number: (410) 242-8850
Edit
Address: 6600 TYDINGS RD, Eldersburg, MD 21784
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Mario A. Diangelo Eldersburg
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Mario A. Diangelo has a BuildZoom score of 107, which places them above 94% of 58,058 contractors in Maryland.
Activity
|
107 projects
|
2025 |
|
2 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Mario A. Diangelo has worked on at least
114.0 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
|
66 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Mario A. Diangelo mostly works on
plumbing project
projects.
Pricing
|
7 projects
|
< $5k |
The typical size of their permits is approximately $2,500. 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.
We are relocating the gas meter about 4 to the outside of the home because our customer is adding bathroom and meter must be moved
Valuation:
N/A
Permit #:
BRCM-25-006262
Status:
complete
Fee:
$57
Permit Type:
Interior trades only
Building Type:
N/A
Meter relocation of 25 x 1 trac pipe permit reinstatement for permit#com2024-63317
Valuation:
N/A
Permit #:
BRCM-25-002666
Status:
withdrawn
Fee:
N/A
Permit Type:
Interior trades only
Building Type:
N/A
Furnish and install (6) american standard ada handicap with optic sensor and toilet seats flush valves and new water line
Valuation:
N/A
Permit #:
BCCM-25-003119
Status:
complete
Fee:
$82
Permit Type:
Interior trades only
Building Type:
N/A
Gas pressure test due to inactivity of the gas line for more then 1 yr
Valuation:
N/A
Permit #:
BRCM-25-009156
Status:
complete
Fee:
$73
Permit Type:
Interior trades only
Building Type:
N/A
Water service replacement and install 1 non-testable 3/4 backflow
Valuation:
N/A
Permit #:
BRCM-25-009064
Status:
complete
Fee:
$78
Permit Type:
Exterior trades a...
Building Type:
N/A
2” x 3’ meter relocation as per code *no other work to be done
Valuation:
N/A
Permit #:
BCCM-25-000659
Status:
complete
Fee:
$98
Permit Type:
Interior trades only
Building Type:
N/A
6’ of 2” steel pipework for gas meter relocation as per code
Valuation:
N/A
Permit #:
BCCM-25-000692
Status:
complete
Fee:
$103
Permit Type:
Interior trades only
Building Type:
N/A
Replacing water service from outside meter to inside of house. repairing (1) 3/4 backflow
Valuation:
N/A
Permit #:
BRCM-25-015866
Status:
complete
Fee:
$78
Permit Type:
Interior trades only
Building Type:
N/A
Install 22ftx 1 steel meter relocation
Valuation:
N/A
Permit #:
BRCM-25-005835
Status:
complete
Fee:
$57
Permit Type:
Interior trades only
Building Type:
N/A
Meter relocate 9’ of 1” steel gas line
Valuation:
N/A
Permit #:
BRCM-25-004403
Status:
closed - void
Fee:
$57
Permit Type:
Interior trades only
Building Type:
N/A
Meter relocate 9’ of 1” steel gas line
Valuation:
N/A
Permit #:
BRCM-25-004402
Status:
closed - void
Fee:
$73
Permit Type:
Interior trades only
Building Type:
N/A
Meter relocation 15’ run of 1” steel pipe
Valuation:
N/A
Permit #:
BRCM-25-004191
Status:
complete
Fee:
$57
Permit Type:
Interior trades only
Building Type:
N/A
Meter relocate 9’ of 1” steel gas line
Valuation:
N/A
Permit #:
BRCM-25-003153
Status:
complete
Fee:
$57
Permit Type:
Interior trades only
Building Type:
N/A
Meter relocate 9’ of 1” steel gas line
Valuation:
N/A
Permit #:
BRCM-25-003150
Status:
complete
Fee:
$73
Permit Type:
Interior trades only
Building Type:
N/A
20’ meter relocation. 260 000 btus
Valuation:
N/A
Permit #:
BRCM-25-007721
Status:
complete
Fee:
$73
Permit Type:
Interior trades only
Building Type:
N/A
7’ 1” steel install meter relocate
Valuation:
N/A
Permit #:
BRCM-25-003866
Status:
expired
Fee:
$73
Permit Type:
Interior trades only
Building Type:
N/A
Meter relocation around 8ftx1 steel
Valuation:
N/A
Permit #:
BRCM-25-002153
Status:
expired
Fee:
$57
Permit Type:
Interior trades only
Building Type:
N/A
4ftx1 steel meter relocation
Valuation:
N/A
Permit #:
BRCM-25-011396
Status:
complete
Fee:
$57
Permit Type:
Interior trades only
Building Type:
N/A
6’ of 2” steel meter relocation
Valuation:
N/A
Permit #:
BCCM-25-002080
Status:
approved
Fee:
N/A
Permit Type:
Interior trades only
Building Type:
N/A
Install new 3/4 water service
Valuation:
N/A
Permit #:
BCCM-25-001629
Status:
complete
Fee:
$129
Permit Type:
Exterior trades a...
Building Type:
N/A
Similar Contractors See more
120
BZ Score
-
Avg Project
-
Projects
120
BZ Score
$1.5K
Avg Project
-
Projects
120
BZ Score
$1.5K
Avg Project
-
Projects
Mario A. Diangelo Reviews
BuildZoom hasn't received any reviews for Mario A. Diangelo. 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
Mario A. Diangelo License info
Verified License
| License # | 13651 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Mario A. Diangelo 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 # | 68022 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Mario A. Diangelo 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 # | 3063 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- When BuildZoom last verified this license, it had an expiration date of September, 2019. Check the current license status of Mario A. Diangelo with 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 # | 1735 |
| Status | Active |
| City | Annapolis |
| Type | Plumbing Cont, Mpgf |
- When BuildZoom last verified this license, it had an expiration date of October, 2017. Check the current license status of Mario A. Diangelo with the The City of Annapolis, MD
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-1735 |
| 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 Mario A. Diangelo at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-3063 |
| 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 Mario A. Diangelo at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Insured
| Insurer | Erie Insurance |
232
Permits
- Building permit records show that Mario A. Diangelo has worked on 232 permitted projects.
Mario A. Diangelo Employees
AL
Allysha Nelson Lorber
Owner
MD
Mario A. Diangelo
Owner