Updated: Mar 05, 2026
Location and Projects
Address
P O BOX 731, Cotati, CA, 94931
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Hulbert Heating
Hulbert Heating, Cotati, Po Box 731, Cotati, CA (Employee: Douglas Jon Hulbert) holds a Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 111 ranks in the top 4% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hulbert Heating, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Hulbert Heating Contact Information
Phone Number: (707) 794-8513
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Address: P O BOX 731, Cotati, CA 94931
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Hulbert Heating Cotati
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hulbert Heating has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.
Activity
|
74 projects
|
2025 |
|
60 projects
|
2024 |
|
46 projects
|
2023 |
Our building permit records indicate that Hulbert Heating has worked on at least
180.0 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 |
|
178 projects
|
HVAC projects |
|
120 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Hulbert Heating mostly works on
hvac project
and mechanical project
projects.
Pricing
|
3 projects
|
< $5k |
|
75 projects
|
$5k-$20k |
|
22 projects
|
$20k-$50k |
The typical size of their permits is approximately $13,795. 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.
-install a 2 head mitsubishi smart multi system. install a ducted air handler under the house m# svz-ap36nl. install a 12k wall mount head upstairs. m# msz-gx12n. set the outdoor unit on a prefab pad and secure as typical m# mxz-sm48nl -run all new r-8 insulated wire flex duct to 8 supply vents & one return plenum
Valuation:
$36,398
Permit #:
MECR-2025-0205
Status:
issued
Fee:
$319
Permit Type:
N/A
Building Type:
N/A
(n) 2.5 ton ducted heat pump air handler and associated ducting install a 2.5 ton mitsubishi ducted heat pump. air handler m# svz-kp30-na outdoor unit m# suz-ka30na2.th run all new properly sized high flow r-8 insulated wire flex duct to 6 new supply boots and one return air plenum
Valuation:
N/A
Permit #:
BLD25-1561
Status:
final
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
Install a 4 head mitsubishi smart multi system mini split system. install a 9k ceiling cassette head unit in the master bedroom. install a 6k wall mount head unit in bedroom 1. install a 9k wall mount head unit in bedroom 2. install a 24k wall mount head unit in the kitchen living room. set the outdoor unit on a prefab pad and secure as typical
Valuation:
N/A
Permit #:
BLD25-0173
Status:
issued
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
Install a 17 seer 5 ton variable speed ruud heat pump m# rd17az60aj3na install the fan-coil in the garage m#rh2tz6021stanaa run all new properly sized high flow r-8 insulated wire flex duct to the existing supply vent locations
Valuation:
N/A
Permit #:
B25-2040
Status:
final
Fee:
$235
Permit Type:
N/A
Building Type:
N/A
***potential floodplain restrictions*** -replace existing furnace and install a 95% efficient 60k btu 4 ton bryant furnace to the same location - replace existing air conditioning and install a 15 seer 3.5 ton bryant air conditioning to same location -install a ductless mitsubishi mini split to proposed location next to existing air conditioning -install a new 18k mitsubishi mini spli... see more
Valuation:
$44,053
Permit #:
S25-00836-RES
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove and dispose of the existing furnace. living room system: install a 3 ton mitsubishi ducted heat pump. tie into the existing duct work and insulate as needed. bedroom system: install 2.5 ton mitsubishi ducted heat pump. tie into the existing duct work and insulate as needed
Valuation:
N/A
Permit #:
BLD24-7550
Status:
final
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
Remove and dispose of existing furnace. install a 95% efficient 80k btu bryant ultra low furnace. tie into the existing duct and insulate as needed. run all new properly sized high flow r-8 insulated wire flex duct to the 12 existing supply vents
Valuation:
N/A
Permit #:
B24-6786
Status:
final
Fee:
$235
Permit Type:
N/A
Building Type:
N/A
Install a 95% efficient 80k btu bryant furnace m# 916sa48080m17 run all new properly sized high flow r-8 insulated wire flex duct to the 7 existing supply vent locations
Valuation:
N/A
Permit #:
BLD25-1909
Status:
final
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
Install a 2 heat mitsubishi system. install a ducted air handler in the attic m# svz-kp18na outdoor m# mxz-4d36nl. install r-8 insulated wire flex duct to 4 supply boots and one return air plenum
Valuation:
$19,899
Permit #:
MECR-2025-0313
Status:
issued
Fee:
$318
Permit Type:
N/A
Building Type:
N/A
Single family dwelling install r-8 insulated wire flex duct to 10 (e) duct location enlarge supply boots to 4 x 14 install (n) boots as needed
Valuation:
N/A
Permit #:
BLD25-0248
Status:
final
Fee:
$364
Permit Type:
N/A
Building Type:
N/A
Install a 4 ton 16 seer2 trane heat pump. run all new properly sized high flow r-8 insulated wire flex duct to approx. 10 supply boots and one return air plenum
Valuation:
$20,587
Permit #:
MECR-2025-0252
Status:
issued
Fee:
$318
Permit Type:
N/A
Building Type:
N/A
- install a 4 head mitsubishi ductless mini split system - install a 24k wall mount head in the living room m# mszgs24nau1 - install a 6k wall mount unit in each of the three bedrooms m# mszgs06nau1
Valuation:
$21,000
Permit #:
B39152
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Install a 95% efficient 40k btu bryant furnace m# 916sa36040m17. run all new r-8 wire flex duct to 5 supply runs
Valuation:
$9,934
Permit #:
B41796
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Replace air conditioning like for like on right side of home. replace furnace like for like in mechanical
Valuation:
$21,187
Permit #:
B2025-0660
Status:
issued
Fee:
$166
Permit Type:
Residence HVAC re...
Building Type:
N/A
Remove and dispose of existing furnace. install a new 96% efficient 80k btu 2 stage variable speed bryant furnace
Valuation:
N/A
Permit #:
B25-0342
Status:
final
Fee:
$235
Permit Type:
N/A
Building Type:
N/A
Remove and dispose of the existing furnace. install a 80% efficient 90k btu bryant furnace to the same location
Valuation:
N/A
Permit #:
B25-1480
Status:
final
Fee:
$235
Permit Type:
N/A
Building Type:
N/A
Install a 19 seer2 3 ton variable speed ruud heat pump. m# rd17az36aj3na fan-coil m# rh2tz3617stanna to
Valuation:
N/A
Permit #:
B25-1501
Status:
final
Fee:
$235
Permit Type:
N/A
Building Type:
N/A
Install a mitsubishi 2.5 ton ducted heat pump. outdoor unit m# suz-ka30na2.th air handler m# svz-kp30-na
Valuation:
N/A
Permit #:
B25-1312
Status:
final
Fee:
$409
Permit Type:
N/A
Building Type:
N/A
Replace furnace like for like in hall closet. install new air conditioning under driveway
Valuation:
$14,278
Permit #:
B2025-1095
Status:
final
Fee:
$256
Permit Type:
Residence HVAC
Building Type:
N/A
-replace existing furnace with a 96% efficient 80k btu 4 ton bryant furnace -install a 18 seer 4 ton variable speed bryant heat pump
Valuation:
$22,516
Permit #:
MECR-2025-0220
Status:
complete
Fee:
$318
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Hulbert Heating License info
Verified License
| License # | 788948 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Hulbert Heating at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Benchmark Insurance Company |
806
Permits
- Building permit records show that Hulbert Heating has worked on 806 permitted projects.
Hulbert Heating Employees
DH
Douglas Jon Hulbert
Sole Owner