Updated: May 28, 2026
Location and Projects
Address
Millersville, MD, 21108
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Walter David Elling HVAC/Mechanical Contractor
Walter David Elling, Millersville, MD (Employee: Walter D. Elling) holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 3 other licenses according to the Maryland license board.
Their BuildZoom score of 103 ranks in the top 10% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Walter David Elling, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Walter David Elling Contact Information
Phone Number: (410) 757-0023
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Walter David Elling Millersville
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Walter David Elling has a BuildZoom score of 103, which places them above 90% of 58,058 contractors in Maryland.
Activity
|
15 projects
|
2023 |
Our building permit records indicate that Walter David Elling has worked on at least
15.0 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
|
14 projects
|
Mechanical projects |
|
13 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Walter David Elling mostly works on
mechanical project
and hvac project
projects.
Pricing
|
1 project
|
$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.
Building (c) - improvement - interior fit up
2023-06-02
Partial interior renovation including limited demolish and new finishes. includes electrical and mechanical work
Valuation:
$48,000
Permit #:
CIMP-28555-2022
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building (c) - improvement - interior fit up
2023-07-07
Systems furniture installation for business
Valuation:
$28,000
Permit #:
CIMP-30856-2023
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing air conditioning (ele) and heating (ele)
Valuation:
N/A
Permit #:
MEC22-0716
Status:
final
Fee:
$125
Permit Type:
Existing building...
Building Type:
N/A
New install air conditioning heating 2 commercial hood
Valuation:
N/A
Permit #:
MEC22-0454
Status:
final
Fee:
$844
Permit Type:
Existing building...
Building Type:
N/A
Building (c) - improvement - interior fit up
2021-07-02
Renovation of an existing office space to present for lease
Valuation:
$102,018
Permit #:
CIMP-24544-2021
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing gas heating
Valuation:
N/A
Permit #:
MEC22-0701
Status:
final
Fee:
$125
Permit Type:
Existing building...
Building Type:
N/A
Building (c) - improvement - interior fit up
2020-10-17
Renovation to an existing office space to present for lease
Valuation:
$125,385
Permit #:
CIMP-22227-2020
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing electrical air conditioning gas heating
Valuation:
N/A
Permit #:
MEC22-0541
Status:
final
Fee:
$125
Permit Type:
Existing building...
Building Type:
N/A
Replace existing air conditioning (ele) heating (gas)
Valuation:
N/A
Permit #:
MEC22-0403
Status:
final
Fee:
$125
Permit Type:
Existing building...
Building Type:
N/A
Replace exsiting electrical air conditioning gas heating
Valuation:
N/A
Permit #:
MEC22-0385
Status:
final
Fee:
$125
Permit Type:
Existing building...
Building Type:
N/A
Replace existing air conditioning, heating ductwork
Valuation:
N/A
Permit #:
MEC22-0661
Status:
final
Fee:
$150
Permit Type:
Existing building...
Building Type:
N/A
Replace existing electrical air conditioning heating
Valuation:
N/A
Permit #:
MEC22-0299
Status:
final
Fee:
$125
Permit Type:
Existing building...
Building Type:
N/A
Replace electrical. air conditioning & gas heating
Valuation:
N/A
Permit #:
MEC21-0699
Status:
final
Fee:
$125
Permit Type:
Existing building...
Building Type:
N/A
Replace exsiting ele air conditioning heating
Valuation:
N/A
Permit #:
MEC22-0451
Status:
final
Fee:
$125
Permit Type:
Existing building...
Building Type:
N/A
New install electrica air conditioning heating
Valuation:
N/A
Permit #:
MEC22-0258
Status:
final
Fee:
$226
Permit Type:
Existing building...
Building Type:
N/A
Replace exsiting electrical ac/heating
Valuation:
N/A
Permit #:
MEC22-0431
Status:
final
Fee:
$125
Permit Type:
Existing building...
Building Type:
N/A
Replace two exisitng systems; electrical
Valuation:
N/A
Permit #:
MEC22-0399
Status:
final
Fee:
$150
Permit Type:
Existing building...
Building Type:
N/A
Alter existing new install electric air conditioning heating
Valuation:
N/A
Permit #:
MEC21-0591
Status:
final
Fee:
$190
Permit Type:
Existing building...
Building Type:
N/A
Replace existing electrical air conditioning & gas heating
Valuation:
N/A
Permit #:
MEC21-0341
Status:
final
Fee:
$125
Permit Type:
Existing building...
Building Type:
N/A
Replace existing 1 dryer vent
Valuation:
N/A
Permit #:
MEC22-0537
Status:
final
Fee:
$125
Permit Type:
Existing building...
Building Type:
N/A
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BZ Score
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Avg Project
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BZ Score
-
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Verified License
BuildZoom confirmed this contractor's license
Walter David Elling License info
Verified License
| License # | 4388 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Walter David Elling 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 # | HM-0000923 |
| Status | Active |
| State | Delaware |
| Type | Hvacr |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Walter David Elling at the State of Delaware.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2015100901 |
| Status | Inactive |
| State | New Castle County |
| Type | Non Resident Contractor |
- 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 Walter David Elling 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 # | CON-106 |
| Status | Inactive |
| City | Annapolis |
| Type | Mech 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 Walter David Elling at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Insured
| Insurer | Selective Ins |
633
Permits
- Building permit records show that Walter David Elling has worked on 633 permitted projects.
Walter David Elling Employees
WE
Walter D. Elling
Applicant
WE
Walter David Elling
Owner