Updated: Apr 23, 2026
Location and Projects
Address
453 N Rengstorff Ave, Mountain View, CA, 94043
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Plum HVAC
Plum HVAC, 453 N Rengstorff Ave, Mountain View, CA holds a Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 114 ranks in the top 2% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Plum HVAC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Plum HVAC Contact Information
Phone Number: (650) 605-5986
Address: 453 N Rengstorff Ave, Mountain View, CA 94043
Plum HVAC Mountain View
Quality
114
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Plum HVAC has a BuildZoom score of 114, which places them above 98% of 336,931 contractors in California.
Activity
|
1 project
|
2026 |
|
43 projects
|
2025 |
|
32 projects
|
2024 |
|
23 projects
|
2023 |
Our building permit records indicate that Plum HVAC has worked on at least
99.0 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
|
99 projects
|
HVAC projects |
|
34 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Plum HVAC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
1 project
|
< $5k |
|
41 projects
|
$5k-$20k |
|
10 projects
|
$20k-$50k |
The typical size of their permits is approximately $16,575. 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.
Replacing an existing furnace with a new heat pump system. new fan coil replacing the existing furnace at the same location in the attic. heat pump condenser will be installed at the right rear of property bolted to the ground on a 3 pad
Valuation:
$14,000
Permit #:
MEP-2024-293772
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing an existing ducted furnace with a new ducted heat pump system at rear of home fan coil will be replacing the existing furnace at the same location and condenser will be installed on the ground at the back of the property per site plan
Valuation:
$13,500
Permit #:
MEP-2024-293661
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
This is a replacement of an existing furnace with a new fan coil in the same location and adding a heat pump condenser which is going to be installed on the left side of the house as shown on the plan with around 10ft clearance from the nearest property line maximum sound level is 62db
Valuation:
$16,500
Permit #:
MEP-2023-289062
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Air conditioning addition only **permit revised for as-built scope of work: addition air conditioning to fau**not an online permit**provide planning approval for location and screening + acoustic evaluation + hoa authorization**electrical added as required for scope of work**
Valuation:
N/A
Permit #:
2023 080562 MF
Status:
issued
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
Installing a new multi-zone ductless mini split system heat pump condenser will be placed on the right side of the property with more than 6ft clearance from the closest property line
Valuation:
N/A
Permit #:
BLD-2025-776
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing an existing ducted gas furnace with a new ducted heat pump system. also replacing the existing ductwork system
Valuation:
N/A
Permit #:
BLD-2025-173
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing an existing gas ducted furnace with a new ducted heat pump system and replacing the existing ductwork system
Valuation:
N/A
Permit #:
BLD-2025-89
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing a gas ducted furnace with a fan coil at the same location and adding a new heat pump condenser
Valuation:
$15,400
Permit #:
BLD2025-06757
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Adding anew multi-zone ductless mini split system to the main floor and adding a new single-zone ductless mini-split system to the lower floor. right side of property near rear
Valuation:
$17,100
Permit #:
MEP-2024-293069
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing an existing ducted system with a dual-zone ducted heat pump system and replacing the ductwork at upstairs
Valuation:
$27,500
Permit #:
BLD2026-01160
Status:
complete
Fee:
$309
Permit Type:
N/A
Building Type:
N/A
Installing a new ducted heat pump system with new ductwork in the attic space
Valuation:
$14,500
Permit #:
BLD2025-07602
Status:
issued
Fee:
$309
Permit Type:
N/A
Building Type:
N/A
A single family residence to addition a new heat pump condenser to an existing gas ducted furnace
Valuation:
$11,800
Permit #:
LPC2025-01527
Status:
issued
Fee:
$242
Permit Type:
N/A
Building Type:
N/A
Remove existing furnace and install new outdoor single zone ductless central heat pump system with cooling components at rear yard
Valuation:
$15,700
Permit #:
MEP-2023-288593
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Adding heat pump condenser and coil into the existing furnace
Valuation:
$9,000
Permit #:
BLD2025-07407
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Installing a new multi-zone ductless mini split heat pump system
Valuation:
N/A
Permit #:
BLD2025-00805
Status:
triage
Fee:
$386
Permit Type:
N/A
Building Type:
N/A
Replacing an existing air conditioning and furnace with a ducted heat pump and replacing the ductwork
Valuation:
$20,000
Permit #:
BLD2026-02058
Status:
complete
Fee:
$309
Permit Type:
N/A
Building Type:
N/A
Replace (e) furnace with (n) fan coil in same location in garage. install (n) heat pump on exterior left side of home. remove (e) ductwork and replace with (n) ductwork
Valuation:
$22,100
Permit #:
MEP-2023-290511
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing an existing ducted furnace with a ducted heat pump fan coil and adding a heat pump condenser
Valuation:
$13,500
Permit #:
BLD2026-01035
Status:
issued
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Furnace replacement air conditioning add-on and new ductwork system a minimum of 5 from the air conditioning unit to the property line (pl) is required
Valuation:
$16,400
Permit #:
BLD22-67344
Status:
final
Fee:
$479
Permit Type:
N/A
Building Type:
N/A
Furnace relocation and ductwork replacement
Valuation:
N/A
Permit #:
MECH2025-0001
Status:
final
Fee:
$815
Permit Type:
Furnace replaceme...
Building Type:
N/A
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Plum HVAC License info
Verified License
| License # | 1087978 |
| 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 Plum HVAC at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
114
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Markel Insurance Company |
120
Permits
- Building permit records show that Plum HVAC has worked on 120 permitted projects.