Updated: Jun 06, 2026
Location and Projects
Address
1053 B SHARY CIRCLE, Concord, CA, 94518
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Cal-neva Environmental Systems HVAC/Mechanical Contractor
Cal-neva Environmental Systems, 1053 B Shary Cir, Concord, CA (Employees: Abbott Contracting & Engineering Inc, C Abbott Contracting & Engineering In, and C Cal Neva Construction Services In) holds a Boiler, Hot Water Heating And Steam Fitting, Warm Air Heating, Ventilating And Air Conditioning, Electrical, Refrigeration, General Building license and 1 other license according to the California license board.
Their BuildZoom score of 100 ranks in the top 13% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cal-neva Environmental Systems, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cal-neva Environmental Systems Services
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Cal-neva Environmental Systems Contact Information
Phone Number: (925) 687-9980
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Address: 1053 B SHARY CIRCLE, Concord, CA 94518
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Cal-neva Environmental Systems Concord
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cal-neva Environmental Systems has a BuildZoom score of 100, which places them above 87% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Cal-neva Environmental Systems has worked on at least
1.0 project over the past year.
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.
Pricing
|
1 project
|
$100k-$250k |
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 Cal-neva Environmental Systems
This is a sample of this contractor's permits. Click here to access their complete permit history.
Demolition and proper disposal of (2)two existing 12.5-ton rooftop package style hvac units and associated rooftop duct work. installation of (2)two new 12.5-ton package style hvac units and new rooftop duct work
Valuation:
$148,500
Permit #:
PREBLD25-0298
Status:
approved
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Remove and replace (2) existing 12.5 ton rooftop havc units and associated rooftop duct work. install (2) new 12.5 ton hvac units and new rooftop duct work (mech)
Valuation:
$148,500
Permit #:
M25-0006
Status:
issued
Fee:
$4,601
Permit Type:
N/A
Building Type:
N/A
Ti- east bay cardiovasular & thoracic associates
Valuation:
$110,000
Permit #:
B18-012867
Status:
final
Fee:
$3,082
Permit Type:
N/A
Building Type:
N/A
Tenant improvement - zamboni's pizza
Valuation:
N/A
Permit #:
BIT19-000345
Status:
final
Fee:
$2,322
Permit Type:
N/A
Building Type:
N/A
Replace hvac system on rooftop for st. agnes school
demo existing ductwork and equipment in the mechanical room and cap all existing ducts exiting space. remove existing return air duct work, air floor grilles. provide new split system heat pump vrv system for each classroom. remove existing fan coil and its associated roof condensing unit on roof.
Valuation:
$313,617
Permit #:
B161731
Status:
final
Fee:
$3,685
Permit Type:
N/A
Building Type:
N/A
Replace hvac system on rooftop for st. agnes school demo existing ductwork and equipment in the mechanical room and cap all existing ducts exiting space. remove existing return air duct work, air floor grilles. provide new split system heat pump vrv system for each classroom. remove existing fan coil and its associated roof condensing unit on roof.
Valuation:
$313,617
Permit #:
B161731
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(e) - electrical - 3+ residential units or commercial (building)
2018-04-23
Install (2) circuits related to replacement of existing (2) boilers at mechanical room. replace (2) chillers located outside of mechanical room
Valuation:
N/A
Permit #:
E1800333
Status:
final
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
(m) - mechanical - 3+ residential units or commercial (building)
2018-04-23
Replace existing (2) boilers at mechanical room. replace (2) chillers located outside of mechanical room
Valuation:
N/A
Permit #:
M1800256
Status:
final
Fee:
$466
Permit Type:
N/A
Building Type:
N/A
Replace 7 ea. natural gas fired furnaces replace flue vent piping replace water heater
Valuation:
$100,000
Permit #:
201401136146
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
02 - church
Replace 7 ea. natural gas fired furnaces replace flue vent piping replace water heater
Valuation:
$100,000
Permit #:
201401136146
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
02 - church
Permit value$15kmessage contractor ***** print only 4 comment lines ***** repair & replace damage siding on sso. replace 6 windows on so. facing wall replacement on 1a, 2a & 3a wall scalfalding insulation &
Valuation:
N/A
Permit #:
0600003151
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$313,617
Permit #:
B161726
Status:
Voided
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace furnaces and flue piping fabricate & install sher metal ducting
Valuation:
$0
Permit #:
PM20140116476
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical room: connecting 7 ea furnaces & 1 ea water heater
Valuation:
$0
Permit #:
E201401166686
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Reroof over existing layer of composition roofing with class a steel tile roofing on an existing 2 story single family dwelling and detached garage
Valuation:
N/A
Permit #:
0019765C-00112300
Status:
complete
Fee:
N/A
Permit Type:
Reroof
Building Type:
Single residence
(b) - building alteration - 3+ residential units or commercial (building)
2013-10-25
Supports for air conditioning unit and transformer on roof
Valuation:
$3,000
Permit #:
B1304072
Status:
issued
Fee:
$413
Permit Type:
N/A
Building Type:
N/A
Restoration of 400 amp electrical. service to pool building install (2) parallel runs of (4) four 3/9 thn electrical. feeder cable into (2) 4 hdpe sleeves
Valuation:
N/A
Permit #:
BP03004021
Status:
final
Fee:
$1
Permit Type:
N/A
Building Type:
N/A
Replace water haeter natual gas piping
Valuation:
$0
Permit #:
PP20140116475
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace exisiting radiant heat boiler same size and location exisiting combustion air ventialtion subject to field inspector approval
Valuation:
$3,500
Permit #:
BI324395
Status:
final
Fee:
$153
Permit Type:
N/A
Building Type:
N/A
Addition air conditioning unit in the inter-state center building
Valuation:
N/A
Permit #:
M1301093
Status:
issued
Fee:
$221
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Cal-neva Environmental Systems License info
Verified License
| License # | 365546 |
| Status | Active |
| State | California |
| Type | Boiler, Hot Water Heating And Steam Fitting, Warm Air Heating, Ventilating And Air Conditioning, Electrical, Refrigeration, General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Cal-neva Environmental Systems at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 805664 |
| Status | Inactive |
| State | California |
| Type | General Engineering |
| Business Type | Corporation |
- 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 Cal-neva Environmental Systems at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Bonded
| Bonded Agent | Indemnity Company Of California |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Oak River Insurance Company |
123
Permits
- Building permit records show that Cal-neva Environmental Systems has worked on 123 permitted projects.
Cal-neva Environmental Systems Employees
AI
Abbott Contracting & Engineering Inc
Entity
CI
C Abbott Contracting & Engineering In
Entity
CI
C Cal Neva Construction Services In
Entity
CI
Cal Neva Construction Services Inc
Entity
DD
Daniel Mark Deplazes
Officer
EG
Elmer Forrest Guy
Rmo / Ceo / Pres
PD
Plazi Arnold Deplazes
Rmo / Ceo / Pres
RT
Robert Will Tillery
Officer
RD
Roger Arnold Deplazes
Officer