Updated: Dec 27, 2025
Location and Projects
Address
1990 N California Blvd, Walnut Creek, CA, 94596
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Atc Mechanical Photos
Atc Mechanical
ATC Mechanical is the leading heating and air conditioning expert in Walnut Creek, California. We are dedicated to providing residential and commercial HVAC services that go beyond heating and cooling. With years of experience, we have established ourselves as the go-to HVAC contractor in the area. Our range of services includes installation, repair, preventative maintenance, upgrades, and replacements for HVAC systems. We are committed to transparency, and we provide detailed pricing breakdowns in our quotes. Our systems are designed to offer improved energy efficiency and superior indoor air quality, ensuring your ultimate comfort. Trust ATC Mechanical for all your HVAC needs. Contact us today for a more comfortable tomorrow.
From BuildZoom: Atc Mechanical, 1990 N California Blvd, Walnut Creek, CA holds a Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 110 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 Atc Mechanical, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Atc Mechanical Contact Information
Phone Number: (925) 818-8084
Address: 1990 N California Blvd, Walnut Creek, CA 94596
Atc Mechanical Walnut Creek
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Atc Mechanical has a BuildZoom score of 110, which places them above 96% of 336,931 contractors in California.
Activity
|
7 projects
|
2025 |
|
5 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Atc Mechanical has worked on at least
15.0 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
|
7 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Atc Mechanical mostly works on
hvac project
projects.
Pricing
|
1 project
|
$50k-$100k |
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.
Ref 202503313393 - relocate 10 (e) fan coil units install new fresh air duct to supply (20) offices install a transfer fan for floor 5 conference room replace exhaust fan and intake fan motors on the roof modify (e) exhaust size/grille on floors 4/5 to reduce sound
Valuation:
N/A
Permit #:
PM20250416673
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Relocate 25 samsung cassettes for level 2 and 3. remove 3 cassettes on level 2 and 3. supply and install 2.5 ton ducted fan coil with supply and retuen ducting for 8 offices (lvl 2&3) remove exisitng fresh air duct and reloctae it with fresh air duct that can service 2 fan coils for lvl 2&3
Valuation:
$80,000
Permit #:
202406063884
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Ref 202405071594 -floor 2-3- relocate 25 fan coils at floor 2 and 3. remove (3) fan coil units at floor 2 and 3. supply and install 2.5 ton ducted fan coil w/supply and return ducted to (8) offices on floor 2 and 3. remove (e) fresh air duct and relocate w/fresh air duct to service 2 fan coils for floor 2 and 3
Valuation:
N/A
Permit #:
PM20240627588
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; installing two heat pumps systems with two zones each
Valuation:
N/A
Permit #:
PMW20250625209
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; running exhaust ducts for the bathroom fans and drier. fresh air supply. installing air to water heat pump
Valuation:
N/A
Permit #:
PMW20230417310
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
This pays for inspections related to original permit # pmw20230908989 filed 9/8/2023. dow: work category: 1m; fireplace inspection
Valuation:
N/A
Permit #:
PMW20240227898
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2m ; two systems were installed with 5 zones. system 1 - first floor and basement. system 2 - second floor
Valuation:
N/A
Permit #:
PMW20231110580
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; replacing forced air furnace with heat pump system. adding 2 zone heat pump system for the third floor
Valuation:
N/A
Permit #:
PMW20230908989
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; two multi zone heat pump systems were installed with 5 ducted fan coils
Valuation:
N/A
Permit #:
PMW20240722314
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2m ; removing existing furnace and installing a ductless heat pump
Valuation:
N/A
Permit #:
PMW20220812009
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; new ductless mini split installation
Valuation:
N/A
Permit #:
PMW20240328674
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; adding 3- zone ductless heat pump system
Valuation:
N/A
Permit #:
PMW20230910005
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; furnace installation
Valuation:
N/A
Permit #:
PMW20240603242
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; install of a forced air furnace
Valuation:
N/A
Permit #:
PMW20210809765
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2025 128011 RS
Status:
issued
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
Heat pump
Valuation:
N/A
Permit #:
2023 126116 RS
Status:
final
Fee:
N/A
Permit Type:
Single-family
Building Type:
N/A
Replacing the furnace and condenser **afue 80% seer 14** ** hers report required at final. fabdul-rahman**
Valuation:
$9,000
Permit #:
BIM22-006653
Status:
final
Fee:
$473
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; replacing 2 gas furnaces for 2 heat pump systems
Valuation:
N/A
Permit #:
PMW20220712085
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
R/r furnace in same location
Valuation:
N/A
Permit #:
2022 677846 MF
Status:
final
Fee:
N/A
Permit Type:
Condo
Building Type:
N/A
Relocate 38 registars with existing ductwork
Valuation:
$0
Permit #:
2002 052645 CI
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Atc Mechanical Reviews
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Verified License
BuildZoom confirmed this contractor's license
Atc Mechanical License info
Verified License
| License # | 1043760 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Atc Mechanical at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Insured
| Insurer | Associated Industries Insurance Company Inc |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Amguard Insurance Company |
20
Permits
- Building permit records show that Atc Mechanical has worked on 20 permitted projects.