Updated: Jan 14, 2026
Location and Projects
Address
33392 Coral Reach St, Dana Point, CA, 92629
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Mayo Mechanical Inc
Mayo Mechanical Inc, 33392 Coral Reach St, Dana Point, CA (Employees: David William Mayo and Stephanie Dawn Mayo) holds a Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 103 ranks in the top 10% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mayo Mechanical Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mayo Mechanical Inc Services
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Mayo Mechanical Inc Contact Information
Phone Number: (949) 494-5036
Address: 33392 Coral Reach St, Dana Point, CA 92629
This is a sample of this contractor's permits. Click here to access their complete permit history.
Mechanical - instl (4) roof mounted air conditioning units and (3) roof mounted heat pumps tamper resistant cap req timer req on unit #1 xr2022-2014
Valuation:
N/A
Permit #:
H2025-0219
Status:
issued
Fee:
$398
Permit Type:
N/A
Building Type:
N/A
Single family residence - install hydronic floor heating system at outdoor pavillion & open trellis upsize gas line branch (rev2025-0252)
Valuation:
N/A
Permit #:
XR2025-0309
Status:
issued
Fee:
$1,069
Permit Type:
N/A
Building Type:
N/A
Delta 3 - **add. scope** install hydronic floor heating system at outdoor pavillion & open trellis upsize gas line branch
Valuation:
N/A
Permit #:
REV2025-0252
Status:
approved
Fee:
$256
Permit Type:
N/A
Building Type:
N/A
Mechanical - r/r (4) existing air conditioning units w (4) new air conditioning units & (4) heat pumps. tamper-resistant cap required
Valuation:
N/A
Permit #:
H2025-0397
Status:
issued
Fee:
$441
Permit Type:
N/A
Building Type:
N/A
Mechanical 4 new air conditioning units *tamper proof cap req* xr2024-5601
Valuation:
N/A
Permit #:
H2025-0211
Status:
issued
Fee:
$269
Permit Type:
N/A
Building Type:
N/A
Mechanical install (3) heat pumps (timers prohibited) and (1) air conditioning unit (w timer required) at roof top wells. **tamper resistant caps required** (x2021-2894)
Valuation:
N/A
Permit #:
H2023-0730
Status:
final
Fee:
$367
Permit Type:
N/A
Building Type:
N/A
Installation of new air conditioning unit; forced air heating/cooling system using ducted at lower level and duct free heat pump system a new second level per approved plans. revision on 1/30/2019 to update data with samsung heat pump/a/c per approved plans. **no fees**
Valuation:
$20,000
Permit #:
MECH-2019-3985
Status:
final
Fee:
N/A
Permit Type:
General with plan...
Building Type:
N/A
Mechanical install (1) heat pump and (1) air conditioning condenser **timer prohbited & tamper-resitant cap required**
Valuation:
N/A
Permit #:
H2024-0587
Status:
final
Fee:
$196
Permit Type:
N/A
Building Type:
N/A
Mech: install heat pump @ rear **timers prohibited & tamper resistant caps required** (x2019-2729)
Valuation:
N/A
Permit #:
H2022-0518
Status:
final
Fee:
$167
Permit Type:
N/A
Building Type:
N/A
Mechanical replace (4) heat pumps @ the roof top (3) are replacements (1) new tamper resistant caps req
Valuation:
N/A
Permit #:
H2023-0528
Status:
final
Fee:
$266
Permit Type:
N/A
Building Type:
N/A
Mechanical install 2 air conditioning units at side **tamper resistant caps required**
Valuation:
N/A
Permit #:
H2023-0596
Status:
final
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
Mechanical - (4) rooftop condensors. tamper-resistant caps required timers req'd on #1 & #3
Valuation:
N/A
Permit #:
H2020-0146
Status:
final
Fee:
$226
Permit Type:
N/A
Building Type:
N/A
Electrical instl disconnect for new roof mounted heat pump *h2023-0528*
Valuation:
N/A
Permit #:
E2023-0735
Status:
final
Fee:
$47
Permit Type:
N/A
Building Type:
N/A
Mechanical instl roof mounted heat pump tamper resistant cap req
Valuation:
N/A
Permit #:
H2023-0729
Status:
final
Fee:
$137
Permit Type:
N/A
Building Type:
N/A
Mechanical - (2) air conditioning condensors *tamper-resistant caps req'd*
Valuation:
N/A
Permit #:
H2019-0406
Status:
final
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Mechanical
2019-06-26
New a/c unit w/ internal sound blanket and shock absorption base, per approved plans. *hers required*
Valuation:
$6,200
Permit #:
MECH-2018-1745
Status:
final
Fee:
N/A
Permit Type:
General with Plan...
Building Type:
N/A
Installation of (3) single room ductless a/c supply unit in each of the upstairs bedrooms and in the guest room; serviced by (2) screened external compressors per approved plans.
Valuation:
$15,000
Permit #:
MECH-2016-2006
Status:
final
Fee:
N/A
Permit Type:
General with Plan...
Building Type:
N/A
Change of contractor: single family residence mechanical (2) roof mounted heat pumps [samsung amu481xmdch/aa] (35.7 dba & 40.8 dba) h2019-0500 *high density form req*
Valuation:
N/A
Permit #:
H2021-0626
Status:
final
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Mech/install (4) air conditioning unit 58db* 54db*36.5db, 36db & 35db *timer required on equpiment to shut off between 10pm & 7am
Valuation:
N/A
Permit #:
H2021-0555
Status:
final
Fee:
$359
Permit Type:
N/A
Building Type:
N/A
2955 lcr: installation of 2 high temp exhaust hoods 2 high temp exhaust ducts and 2 high temp exhaust blowers per approved plans
Valuation:
$10,000
Permit #:
MECH-2015-0380
Status:
final
Fee:
N/A
Permit Type:
General with plan...
Building Type:
N/A
Mayo Mechanical Inc Reviews
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Verified License
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Mayo Mechanical Inc License info
Verified License
| License # | 472592 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Corporation |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Mayo Mechanical Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Hartford Underwriters Insurance Company |
54
Permits
- Building permit records show that Mayo Mechanical Inc has worked on 54 permitted projects.
Mayo Mechanical Inc Employees
DM
David William Mayo
Rmo / Ceo / Pres
SM
Stephanie Dawn Mayo
Officer