Updated: Aug 21, 2025
Location and Projects
Address
4747 Bethesda Ave, Bethesda, MD, 20814
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H and D Mechanical
H and D Mechanical at 4747 Bethesda Ave, Bethesda, MD 20814, has a BuildZoom score of 0 and ranks in the top 99% of 58,058 Maryland contractors.
If you are thinking of hiring H and D Mechanical, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
H and D Mechanical Contact Information
Address: 4747 Bethesda Ave, Bethesda, MD 20814
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H and D Mechanical Bethesda
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are H and D Mechanical, click “This is My Business” to update your information.
Activity
|
1 project
|
2025 |
|
3 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that H and D Mechanical has worked on at least
5.0 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
|
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.
Ste 200 interior logic group gorman road llc interior alterations install plumbing fixtures 1-urinal 5-lavs 4-water closets 2-kitchen sinks 3-floor drains 1-drinking fountain 2-electric water heaters (all fixtures are on the first floor)
Valuation:
N/A
Permit #:
P22004656
Status:
complete
Fee:
$298
Permit Type:
N/A
Building Type:
N/A
7th floor/adtalem global education/install 1-pantry sink; 1-wall cleanout (wco); 1-trap primer; 1-electric water heater; 1-expansion tank; domestic water piping; sanitary piping. (piping is all interior)
Valuation:
N/A
Permit #:
P24003224
Status:
complete
Fee:
$166
Permit Type:
N/A
Building Type:
N/A
Plumbing for new tenant; to include water fountain trap primer circulation pump and (2) floor clean outs
Valuation:
N/A
Permit #:
P02312022
Status:
complete
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Install (3) exhaust fans and (2) ceiling heaters and assoc duct work for new tenant
Valuation:
$30,000
Permit #:
M02215624
Status:
complete
Fee:
$205
Permit Type:
N/A
Building Type:
N/A
Commercial plumbing addition alteration permit
2024-06-13
Suite 100/at&t/plumbing work associated with interior alterations **(2) 2 compartment sinks; 2-disposal; 1-ice maker; 1-floor drain; 6-condensation drain; 2-drinking fountains; 1 electric water heater jei**
Valuation:
N/A
Permit #:
P24002430
Status:
complete
Fee:
$232
Permit Type:
N/A
Building Type:
N/A
Install new gas pipe (2) rooftop units (1) gas water heater
Valuation:
N/A
Permit #:
PG00025661
Status:
complete
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
Mechanical for new tenant
Valuation:
$50,000
Permit #:
M02219721
Status:
complete
Fee:
$315
Permit Type:
N/A
Building Type:
N/A
Install plumbing
Valuation:
N/A
Permit #:
P02315035
Status:
complete
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
General dynamics suites j-r install plumbing & gas fixtures 1-urinal/5-lavs/4-water closets/2-kitchen sinks/2-disposals/1-water heater/3-floor drains/4-condensate drains/1-drinking fountain/1-mop basin/1-eye wash/2-watts w7c gas - 1-roof top unit/2-unit heaters ccs
Valuation:
N/A
Permit #:
P10000396
Status:
complete
Fee:
$562
Permit Type:
N/A
Building Type:
N/A
Other gas test existing gas line
Valuation:
N/A
Permit #:
P02263344
Status:
complete
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
Plumbing for a tenant rough in and install wc lav mop sink water cool er ewh and hand sink
Valuation:
N/A
Permit #:
P02223597
Status:
complete
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Replace plumbing fixtures to incl lavs, wtr htr pressure washer, air compressor and pantry sinks rv6/30/16(ss)add 3 sinks & 1 drain
Valuation:
N/A
Permit #:
P02240168
Status:
complete
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Refrigeration connecting line sets to existing refrigeration wal k in boxes
Valuation:
$11,000
Permit #:
M02164398
Status:
complete
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Replace exisitng ductwork, addition 2 vav boxes and fan *rv 7/7/16 to install (2) exhaust fans in warehouse & (1) mua unit*gj
Valuation:
$56,000
Permit #:
M02169470
Status:
complete
Fee:
$323
Permit Type:
N/A
Building Type:
N/A
Natural gas only 224mbtuh roof top unit
Valuation:
N/A
Permit #:
P02223676
Status:
complete
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
Install pressure washer & paint booth make up air unit
Valuation:
N/A
Permit #:
P02242053
Status:
complete
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Ducted air conditioning
Valuation:
$20,000
Permit #:
M02147980
Status:
complete
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Install plumbing also hook up water/sewer lines to exstg 2-20-01 repair water line and sewer repair
Valuation:
N/A
Permit #:
P02097373
Status:
complete
Fee:
$130
Permit Type:
New
Building Type:
Single family dwe...
Replacement of existing fixtures replacement of gas cooktop
Valuation:
N/A
Permit #:
P02187257
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
Replacement of existing fixtures replacement of ggas range
Valuation:
N/A
Permit #:
P02185511
Status:
complete
Fee:
$55
Permit Type:
N/A
Building Type:
N/A
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H and D Mechanical Reviews
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H and D Mechanical License info
Unverified License
| Status | Unable To Verify |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are H and D Mechanical, click “This is My Business” to update your information.
780
Permits
- Building permit records show that H and D Mechanical has worked on 780 permitted projects.