Updated: Jan 02, 2026
Location and Projects
Address
209 California Ave, Palo Alto, CA, 94306
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TRIO Heating, Air & Plumbing
Trio Heating & Air offers a comprehensive range of heating, ventilation, air conditioning, and insulation services to residents and businesses in the San Jose area and throughout the Bay Area. They specialize in keeping homes and businesses comfortable year-round with reliable heating and cooling systems, while also improving indoor air quality through their air duct cleaning services.
From BuildZoom:
TRIO Heating, Air & Plumbing at 209 California Ave, Palo Alto, CA 94306, has a BuildZoom score of 0 and ranks in the top 99% of 336,931 California contractors.
If you are thinking of hiring TRIO Heating, Air & Plumbing, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
TRIO Heating, Air & Plumbing Contact Information
Phone Number: (415) 903-4148
Address: 209 California Ave, Palo Alto, CA 94306
TRIO Heating, Air & Plumbing Palo Alto
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are TRIO Heating, Air & Plumbing, log in and update your license info in the “Edit Profile” tab.
Activity
|
1 project
|
2026 |
|
70 projects
|
2025 |
|
71 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that TRIO Heating, Air & Plumbing has worked on at least
153.0 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
|
5 projects
|
Home Additions |
|
141 projects
|
HVAC projects |
|
44 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that TRIO Heating, Air & Plumbing mostly works on
hvac project
and mechanical project
projects.
Pricing
|
4 projects
|
< $5k |
|
87 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
The typical size of their permits is approximately $10,049. 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 TRIO Heating, Air & Plumbing
This is a sample of this contractor's permits. Click here to access their complete permit history.
Split system change out with heat pump and air handler 3 ton 15.2 seer 54 000 btu 10 hspf. heat pump- backyard air handler- closet ***field rev sub 1 3/6/25 - additional unit added same as above for a total of (2)***
Valuation:
$18,727
Permit #:
B25-0400
Status:
final
Fee:
$743
Permit Type:
N/A
Building Type:
N/A
Replacement of 10 btu electric furnace in same location. replacement of 3.5 ton air conditioner. replacement of 30 lf of ductwork in same location entire project is like for like replacement same location
Valuation:
$12,232
Permit #:
BLD25-01262
Status:
final
Fee:
$336
Permit Type:
N/A
Building Type:
N/A
2 x gas wall furnace and 1 x ductless minisplit change outs in existing locations like for like. system 1: gas wall fau in hallway 70% afue 25k btu. system 2: gas wall fau in hallway 70% afue 25k btu. system 3: ductless minisplit heat pump outdoor unit in left side yard 14 seer2 1 ton 8 hspf2 air handler on living room wall
Valuation:
$10,061
Permit #:
BLD2026-00202
Status:
issued
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Convert existing split gas system to split heat pump system in same locations. 8 hspf air handler located in crawlspace. 14.3 seer2 3 ton heat pump located in backyard. r8 ductwork change out located in crawlspace 70. blow in r44 attic insulation 1168 sqft
Valuation:
N/A
Permit #:
BLD2025-03016
Status:
final
Fee:
$0
Permit Type:
Simple permit
Building Type:
N/A
A single family residence to replace split system with heat pump and air handler 3 ton 15 seer 36 000 btu 10 hspf. heat pump- left side yard (facing house) air handler- garage
Valuation:
$19,944
Permit #:
LPC2025-00482
Status:
final
Fee:
$718
Permit Type:
N/A
Building Type:
N/A
Split system change out with heat pump and air handler with ductwork (10 supplies and 1 return) 3 ton 15 seer 63 000 btu 10 hspf. heat pump- side yard air handler- garage
Valuation:
$6,750
Permit #:
B25-0537
Status:
issued
Fee:
$362
Permit Type:
N/A
Building Type:
N/A
Split system change out with heat pump and air handler with ductwork (1 return) 3 ton 14 seer 36 000 btu 9 hspf. heat pump- backyard air handler- closet
Valuation:
$9,908
Permit #:
BLD2025-07433
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
A single family residence to install a 4 ton heat pump converting gas to electric with a 4 ton heat pump and air handler inside a closet revision #1: added ductless mini split with 2 indoor heads location of air handler is in the attic
Valuation:
$25,115
Permit #:
LPC2025-00345
Status:
final
Fee:
$422
Permit Type:
N/A
Building Type:
N/A
Existing furnace is being relocated from closet to attic. running/extending/replacing the electrical and/or gas. adding/replacing/modifying the return/supply of the system. duct work modification/replacement x2 new duct runs to extend to attic
Valuation:
$5,000
Permit #:
B24-1045
Status:
final
Fee:
$378
Permit Type:
N/A
Building Type:
N/A
Cut in split system with heat pump and air handelr 3ton 14 seer 9 hspf heat pump- backyard air handler- attic & blow in r38 insulation in attic
Valuation:
N/A
Permit #:
DEV25-1437
Status:
issued
Fee:
$361
Permit Type:
N/A
Building Type:
N/A
2.5 ton daikin fit with air handler. air handler goes in closet upstairs outdoor unit goes in right side yard. like for like same location for a single family residence
Valuation:
$8,000
Permit #:
LPC2025-01065
Status:
final
Fee:
$407
Permit Type:
N/A
Building Type:
N/A
Split system change out with ductwork (8 supplies and 1 return) 3 ton 14 seer 54 000 btu ac- backyard furnace- relocate to attic
Valuation:
$30,500
Permit #:
BLD2025-04604
Status:
complete
Fee:
$440
Permit Type:
N/A
Building Type:
N/A
Split system change out with heat pump and air handler 3 ton 14 seer 54 000 btu 10 hspf heat pump- backyard air handler- closet
Valuation:
$25,401
Permit #:
LPC2025-00597
Status:
final
Fee:
$407
Permit Type:
N/A
Building Type:
N/A
Split system change out with heat pump and air handler 2.5 ton 14 seer 30 000 btu 9 hspf. heat pump- backyard air handler- garage
Valuation:
$6,127
Permit #:
BLD2025-07435
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Split system change out with heat pump and air handler 5 ton 15 seer 60 000 btu heat pump- left side yard air handler- garag
Valuation:
$11,018
Permit #:
LPC2025-00431
Status:
final
Fee:
$290
Permit Type:
N/A
Building Type:
N/A
Replace existing hvac with new heat pump and air handler new line-set and condensation line new ductwork (6 runs) attic: plywood decking(10x10 area for storage & 2’ lane to the plenum) insulation blown-in r-44-1200 sq ft
Valuation:
$8,700
Permit #:
BLD2024-07085
Status:
complete
Fee:
$307
Permit Type:
N/A
Building Type:
N/A
Split system change out with heat pump and air handler 5 ton 14 seer 72k btu 10 hspf. heat pump- backyard air handler- closet
Valuation:
N/A
Permit #:
DEV25-0817
Status:
final
Fee:
$228
Permit Type:
N/A
Building Type:
N/A
Change out split system hp with air handler in same locations; furnace located in garage hspf2 80k btus; air conditioning condenser located in right side yard facing house 5 tons 16 seer
Valuation:
$10,535
Permit #:
BLD2025-02581
Status:
complete
Fee:
$149
Permit Type:
N/A
Building Type:
N/A
Hvac job install 4 ton slim-line bryant air conditioning and coil new line-set new disconnect box install left side of home line-set to the attic 17” cabinet of existing horizontal furnace
Valuation:
N/A
Permit #:
DEV24-1861
Status:
final
Fee:
$228
Permit Type:
N/A
Building Type:
N/A
Replace furnace with goodman horizontal 3 ton heat pump and air handler. replace ducts in attic 25 ft or greater.attic insulation.new electric for heat pump and air handler line-set & cover
Valuation:
N/A
Permit #:
DEV24-1772
Status:
final
Fee:
$456
Permit Type:
N/A
Building Type:
N/A
TRIO Heating, Air & Plumbing Reviews
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TRIO Heating, Air & Plumbing 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 TRIO Heating, Air & Plumbing, log in and update your license info in the “Edit Profile” tab.
150
Permits
- Building permit records show that TRIO Heating, Air & Plumbing has worked on 150 permitted projects.