Updated: May 30, 2026
Location and Projects
Address
75-140 ST CHARLES PLACE STE C, Palm Desert, CA, 92211
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Williams Mechanical, Inc
Williams Mechanical, Inc, 75-140 St Charles Pl, Palm Desert, CA (Employees: Danielle Erin Williams, David Michael Stan Williams, and David Stanton Williams) holds a Electrical, Plumbing, Fire Protection license and 4 other licenses according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Williams Mechanical, Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Williams Mechanical, Inc Contact Information
Phone Number: (760) 837-4883
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Address: 75-140 ST CHARLES PLACE STE C, Palm Desert, CA 92211
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Williams Mechanical, Inc Palm Desert
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Williams Mechanical, Inc has a BuildZoom score of 93, which places them above 73% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that Williams Mechanical, Inc has worked on at least
2.0 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.
Building Permits by Williams Mechanical, Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential alteration or addition - plan check-permit
2025-02-26
Cross street: summerhill terr description of work: existing residential main electrical service upgrade - 200a - (online permit) *the scope of work is limited to upgrade of the existing main service panel. no new sub-panels or relocation permitted
Valuation:
N/A
Permit #:
PDS2025-RESALT-001539
Status:
issued
Fee:
$346
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
2025-03-20
Cross street: summerhill terrace description of work: backup generator with natural gas tank misc electrical & plumbing for existing single family dwelling
Valuation:
N/A
Permit #:
PDS2025-RESALT-002149
Status:
complete
Fee:
$527
Permit Type:
N/A
Building Type:
N/A
No-plan - residential - combination mech/elec/plum
2022-08-19
No-plan - residential - combination mech/elec/plum:6852/veronica
Valuation:
N/A
Permit #:
PMT-3172154
Status:
issued
Fee:
$200
Permit Type:
N/A
Building Type:
N/A
Silver rock install propane tank at temporary clubhouse *** silver rock install 1 000 gallon undiluted propane tank to serve existing temporary clubhouse with 110 lf of additional pe gas piping from new tank to building + convert all gas-fueled appliances for propane use. 2016 california plumbing and fire codes
Valuation:
$6,200
Permit #:
BPLB2019-0075
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial alteration or addition - plan check-permit
2023-02-06
Cross street: jamacha blvd description of work: cell site mod for dish wireless tower install 3 proposed panel antennas (1 per sector) 1 proposed t arm proposed jumpers 6 propsed rrus (2 per sector) 1 proposed over voltage protection device (ovp) 1 proposed hybrid cable proposed ground install 18 lf of block wall 1 conctrete pad 1 cable tray 1 ppc cabinet 1 equipment cabinet 1 power c... see more
Valuation:
$25,000
Permit #:
PDS2022-COMALT-000375
Status:
complete
Fee:
$779
Permit Type:
N/A
Building Type:
N/A
Installation of plumbing water waste & vent and gas systems in a 5-story 67-unit apartment over basement garage level
Valuation:
$14,930,000
Permit #:
14042-20000-20601
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Permit for inspection prior to plan check approval per approved modification and plan. this permit is for a single inspection only. plan check application #15042-20000-02267
Valuation:
N/A
Permit #:
15042-20000-02328
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Permit for inspection prior to plan check approval per approved modification and plan. this permit is for a single inspection only. plan check application #14042-20000-20601
Valuation:
N/A
Permit #:
14042-20000-20687
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revisions to revise storm drainage piping and change pump for planter overflow
Valuation:
N/A
Permit #:
14042-20001-20601
Status:
approved
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Plan check only revisions to revise sump pump for planter overflow
Valuation:
N/A
Permit #:
14042-20003-20601
Status:
approved
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Permit to install emergency generator at
Valuation:
$53,139
Permit #:
B00-011-895
Status:
N/A
Fee:
$1,554
Permit Type:
N/A
Building Type:
N/A
Install to new circuits replace switches and receptacles smoke detectors install carbon monoxide detector and somve miscelleneous wiring
Valuation:
N/A
Permit #:
11041-10000-20952
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plan check only for gas system
Valuation:
N/A
Permit #:
14042-20004-20601
Status:
approved
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of bathrooms within the mid level parking and lobby areas. added stubout for future use taking into account flush valve fixtures
Valuation:
$0
Permit #:
07042-10003-14445
Status:
Permit Finaled
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/a
Supplemental to permit 07042-10000-12298 for a change of contractor from nicodemus plumbing and mechanical to williams mechanical inc
Valuation:
N/A
Permit #:
07042-10001-12298
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Emp for tenant improvement (l.a. fitness) 1600 amp service 200 amp subpanel in pool room two rooftop slit hvac units
Valuation:
N/A
Permit #:
B00-031-243
Status:
final
Fee:
$2,195
Permit Type:
N/A
Building Type:
N/A
Install complete plumbing for 4-story affordable housing apartment. 3-inch water meter rp backflow preventer is required
Valuation:
N/A
Permit #:
06042-10000-28680
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Complete plumbing for 4 story 36 units apartment & sump pump system. 4 water meter with 4 reduced pressure back flow (rp)
Valuation:
N/A
Permit #:
07042-10000-03551
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental to permit 06042-10000-08231 for a change of contractor from nicodemus plumbing and mechanical to wmi inc
Valuation:
N/A
Permit #:
06042-10003-08231
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install new plumbing for a 3-story 38 unit apartment. 3-inch water meter rp backflow preventer is not required
Valuation:
N/A
Permit #:
07042-10000-10151
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
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Williams Mechanical, Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Williams Mechanical, Inc License info
Verified License
| License # | 924755 |
| Status | Active |
| State | California |
| Type | Electrical, Plumbing, Fire Protection |
| Business Type | Corporation |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Williams Mechanical, Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 306300 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | 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 Williams Mechanical, Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 568559 |
| Status | Inactive |
| State | California |
| Type | Electrical, Plumbing |
| Business Type | 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 Williams Mechanical, Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 385864 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | 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 Williams Mechanical, Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 373896 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| Business Type | 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 Williams Mechanical, Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $12,500 |
Insured
| Workers Comp Provider | Old Republic General Insurance Corporation |
28
Permits
- Building permit records show that Williams Mechanical, Inc has worked on 28 permitted projects.
Williams Mechanical, Inc Employees
DW
Danielle Erin Williams
Officer
DW
David Michael Stan Williams
Rmo/Ceo/Pres
DW
David Stanton Williams
Sole Owner
RH
Ruth Anne Hammons
Officer