Updated: Apr 23, 2026
Location and Projects
Address
41041 TRIMBOLI WAY #1865, Fremont, CA, 94538
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Alton Air Conditioning
Alton Air Conditioning, 41041 Trimboli Way, Fremont, CA (Owned by: Richard Alton Yearry) holds a Warm Air Heating, Ventilating And Air Conditioning license and 2 other licenses according to the California license board.
Their BuildZoom score of 101 ranks in the top 12% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Alton Air Conditioning, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Alton Air Conditioning Contact Information
Phone Number: (714) 273-0910
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Address: 41041 TRIMBOLI WAY #1865, Fremont, CA 94538
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Alton Air Conditioning Fremont
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Alton Air Conditioning has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
2 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Alton Air Conditioning has worked on at least
6.0 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
|
6 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Alton Air Conditioning mostly works on
hvac project
projects.
Pricing
|
2 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
The typical size of their permits is approximately $6,850. 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.
Building Permits by Alton Air Conditioning
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remove and replace furnace in same location same btu. addition a 5 ton air conditioning and electrical circuit next to the electrical panel
Valuation:
$16,000
Permit #:
BLD2025-07502
Status:
issued
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Installation of a new fan coil in the attic with a platform and dedicated electrical. installation of new ducting in the attic. installation of a heat pump in the front yard with dedicated electrical
Valuation:
$19,000
Permit #:
BLD2021-06466
Status:
complete
Fee:
$307
Permit Type:
N/A
Building Type:
N/A
Removal of old furnace and air conditioning. replacement of both units and installation back into the same area
Valuation:
$13,000
Permit #:
BLD2024-01384
Status:
complete
Fee:
$307
Permit Type:
N/A
Building Type:
N/A
Installation of a new 3 ton 14 seer air conditioning and dedicated circuit
Valuation:
$5,250
Permit #:
BLD2022-00321
Status:
complete
Fee:
$307
Permit Type:
N/A
Building Type:
N/A
Replace furnace 80k btu 80% afue and cooling coil 4 ton 14 seer. furnace and coil located in hall closet. (calcerts)
Valuation:
$3,780
Permit #:
B21-0408
Status:
final
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
Remove and replace the existing furnace with same btu new furnace
Valuation:
$6,850
Permit #:
BLD2025-03538
Status:
issued
Fee:
$149
Permit Type:
N/A
Building Type:
N/A
Replace upstairs furnace. place new furnace in the attic
Valuation:
$6,400
Permit #:
BLD22-65960
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hvac-mod air conditioning roof-top unit replacement like for like; 9 units
Valuation:
$95,000
Permit #:
B19-001-512
Status:
final
Fee:
$833
Permit Type:
Mixed use
Building Type:
N/A
Remove existing wall heaters install new furnace and ducting in attic. addition an electrical circuit for the furnace and attic light. extend the gas line from one of the existing wall heaters. calcerts 218-a020244817-a
Valuation:
N/A
Permit #:
BLD2019-01212
Status:
complete
Fee:
$308
Permit Type:
N/A
Building Type:
N/A
Replace double sided wall heater in same location/btu
Valuation:
N/A
Permit #:
MECH2024-0136
Status:
issued
Fee:
N/A
Permit Type:
Appliance replace...
Building Type:
N/A
Furnace remove and replace with a like for like 90k btu 80% afue 3.5 ton unit. calcerts: a020282695a
Valuation:
N/A
Permit #:
BLD2019-03768
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Replace furnace like for like in same closet location
Valuation:
N/A
Permit #:
BLD2019-04938
Status:
complete
Fee:
$156
Permit Type:
N/A
Building Type:
N/A
Replace furnace (80% afue) in same location
Valuation:
$4,500
Permit #:
F190021
Status:
issued
Fee:
$225
Permit Type:
Add/alt single fa...
Building Type:
N/A
Mechanical - installation of furnace in attic above front entry with new ducting. permit includes furnace ducting platform gas & electrical. (rgs) calcerts # 216-a0323268a
Valuation:
N/A
Permit #:
BLD2017-01465
Status:
final
Fee:
$311
Permit Type:
N/A
Building Type:
N/A
Mechanical - remove & replace existing furnace in the same location. addition air conditioning including disconnect to existing system. condenser to maintain a minimum 3 ft setback from property line. (rgs)
Valuation:
N/A
Permit #:
BLD2015-01753
Status:
final
Fee:
$341
Permit Type:
N/A
Building Type:
N/A
Addition bay window w/floor fire re-build existing sfdwl w/new 1/2bath in existing entry;re-roof 20sqft & has structural;kitchen rmdl(196sq)bath rmdl(292sq)&other (2663sq) rebuild existing deck *see notes* file scanned box 374 plans scanned box 377
Valuation:
N/A
Permit #:
10050142
Status:
final
Fee:
$7,454
Permit Type:
N/A
Building Type:
N/A
Mechanical. - remove existing gas furnace replace with new furnace unit cal certs reg. #215-a003109a. -mlm - scope added 2/2/15- repair furnance closet; val $1000/-. (tj)
Valuation:
N/A
Permit #:
BLD2015-03829
Status:
final
Fee:
$293
Permit Type:
N/A
Building Type:
N/A
Mechanical - install new furnace and ducting in attic above hallway. conventional framing no trusses to be cut. permit includes platform lighting & switch. (rgs)
Valuation:
N/A
Permit #:
BLD2015-02881
Status:
final
Fee:
$572
Permit Type:
N/A
Building Type:
N/A
Remove and replace furnace at same location in the utility closet and addition a new air conditioning unit in the backyard. hoa letter of approval attached in file. calcerts 218-a020203626a
Valuation:
N/A
Permit #:
BLD2019-00717
Status:
complete
Fee:
$308
Permit Type:
N/A
Building Type:
N/A
Removed and replaced both furnace and air conditioning ** hers report required at final. fabdul-rahman**
Valuation:
$12,000
Permit #:
BIM22-008940
Status:
expired
Fee:
$545
Permit Type:
N/A
Building Type:
N/A
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Alton Air Conditioning Reviews
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Verified License
BuildZoom confirmed this contractor's license
Alton Air Conditioning License info
Verified License
| License # | 511296 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Alton Air Conditioning at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 825144 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Refrigeration |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Alton Air Conditioning at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 432771 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- 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 Alton Air Conditioning at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
903
Permits
- Building permit records show that Alton Air Conditioning has worked on 903 permitted projects.
Alton Air Conditioning Employees
MA
Michael Jay Alton
Rmo/Ceo/Pres
RY
Richard Alton Yearry
Owner