Updated: May 07, 2026
Location and Projects
Address
16451 LAWSON VALLEY RD, Jamul, CA, 91935
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J D Mechanical
J D Mechanical, 16451 Lawson Valley Rd, Jamul, CA (Employees: Jason Alfonso Dimartino, Jeffrey James Holland, and John David Dover) holds a Warm Air Heating, Ventilating And Air Conditioning license and 2 other licenses according to the California license board.
Their BuildZoom score of 108 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring J D Mechanical, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
J D Mechanical Contact Information
Phone Number: (760) 775-6220
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Address: 16451 LAWSON VALLEY RD, Jamul, CA 91935
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J D Mechanical Jamul
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
J D Mechanical has a BuildZoom score of 108, which places them above 95% of 336,931 contractors in California.
Activity
|
12 projects
|
2024 |
|
21 projects
|
2023 |
Our building permit records indicate that J D Mechanical has worked on at least
33.0 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 |
|
4 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
The typical size of their permits is approximately $10,000. 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.
Thermal club - barb residence - lot 32 refund in process 61-752 fullerton drive thermal ca water access review attached documents: title sheet site plan cvwd fire flow analysis
Valuation:
N/A
Permit #:
FPFSS2101253
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Thermal club - torres garage (loft addition) - lot 22 (4 spk heads)
Valuation:
N/A
Permit #:
FPFSS2102457
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Barbara is ready llc fire sprinklers bres2021-0410
Valuation:
$10,000
Permit #:
FSS2022-0230
Status:
final
Fee:
$1,041
Permit Type:
Residential - cus...
Building Type:
N/A
Madison 49b fire sprinkler bres2021-0059
Valuation:
$27,785
Permit #:
FSS2021-0258
Status:
final
Fee:
$954
Permit Type:
Residential - cus...
Building Type:
N/A
Thermal lot 195 residence
Valuation:
N/A
Permit #:
FPFSS2202540
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bernett fire sprinklers bres2021-0351
Valuation:
$10,000
Permit #:
FSS2022-0259
Status:
final
Fee:
$691
Permit Type:
Residential - cus...
Building Type:
N/A
Refund in process thermal club - commercial storage building - lot 6
Valuation:
N/A
Permit #:
FPFSS2100013
Status:
refunded
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No-plan - residential - combination mech/elec/plum
2022-10-13
No-plan - residential - combination mech/elec/plum:6578/hopedale
Valuation:
N/A
Permit #:
PMT-3182084
Status:
complete
Fee:
$313
Permit Type:
N/A
Building Type:
N/A
No-plan - residential - combination mech/elec/plum
2022-10-13
No-plan - residential - combination mech/elec/plum:6578/hopedale
Valuation:
N/A
Permit #:
PMT-3182082
Status:
approved
Fee:
$586
Permit Type:
N/A
Building Type:
N/A
Thermal club - residence - lot 33
Valuation:
N/A
Permit #:
FPFSS2200906
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mcclure homes fire sprinklers bres2019-0248
Valuation:
$27,785
Permit #:
FSS2021-0063
Status:
final
Fee:
$750
Permit Type:
Residential - cus...
Building Type:
N/A
Thermal club - prokop residence - lot 43 refund in process
Valuation:
N/A
Permit #:
FPFSS2100048
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Refund in process - thermal club - brown residence - lot 19
Valuation:
N/A
Permit #:
FPFSS2100068
Status:
refunded
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Madison club fire sprinkler bres2019-0326
Valuation:
$17,470
Permit #:
FSS2020-0167
Status:
final
Fee:
$582
Permit Type:
Residential - cus...
Building Type:
N/A
Madison club fire sprinkler bres2019-0340 ***
Valuation:
$17,470
Permit #:
FSS2020-0166
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Underground cue residence
Valuation:
N/A
Permit #:
FPUWP2300032
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Lot 96 knickerbocker
Valuation:
$10,000
Permit #:
FSS2022-0243
Status:
final
Fee:
$1,033
Permit Type:
Residential - cus...
Building Type:
N/A
Thorson fire sprinklers bres2019-0538
Valuation:
$20,115
Permit #:
FSS2021-0075
Status:
final
Fee:
$1,077
Permit Type:
Residential - cus...
Building Type:
N/A
Residence club fire sprinkler bres2019-0379
Valuation:
$12,000
Permit #:
FSS2020-0161
Status:
final
Fee:
$501
Permit Type:
Residential - cus...
Building Type:
N/A
Residence club fire sprinkler bres2019-0374
Valuation:
$12,000
Permit #:
FSS2020-0160
Status:
final
Fee:
$501
Permit Type:
Residential - cus...
Building Type:
N/A
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J D Mechanical Reviews
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Verified License
BuildZoom confirmed this contractor's license
J D Mechanical License info
Verified License
| License # | 882046 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for J D Mechanical at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1020141 |
| Status | Inactive |
| State | California |
| Type | Fire Protection |
| Business Type | Sole Ownership, Corporation |
- According to the California Contractors State License Board, 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 J D Mechanical at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 519999 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership, Corporation |
- According to the California Contractors State License Board, 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 J D Mechanical at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Farmers Insurance Exchange |
99
Permits
- Building permit records show that J D Mechanical has worked on 99 permitted projects.
J D Mechanical Employees
JD
Jason Alfonso Dimartino
Sole Owner
JH
Jeffrey James Holland
Rmo
JD
John David Dover
Rmo
SD
Stacy Renee Dimartino
Officer