Updated: Jun 01, 2026
Location and Projects
Address
8747 COOPERSTON WAY, Elk Grove, CA, 95624
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A-1 Certified Plumbing & Heating & Air
A-1 Certified Plumbing & Heating & Air at 8747 COOPERSTON WAY, Elk Grove, CA 95624, held a HVAC/Mechanical Contractor license (#799778) with the California contractors license board with an expiration date of 09-30-2015. We last verified the license was expired on 05-31-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
A-1 Certified Plumbing & Heating & Air Services
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A-1 Certified Plumbing & Heating & Air Contact Information
Phone Number: (916) 751-9400
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Address: 8747 COOPERSTON WAY, Elk Grove, CA 95624
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Building Permits by A-1 Certified Plumbing & Heating & Air
This is a sample of this contractor's permits. Click here to access their complete permit history.
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2019-07-12
5 insp ~: labor only to install customers furnace coil and outdoor air conditioning condenser unit 14 seer 14 eer 42 btu 3 ton. install condensate lines electrical to furnace and 220 service to platform in attic install drain pan condensate lines electrical to furnace and 220 service to outdoor air conditioning unit. all new r6 ductwork. full cut-in. remove existing wall gas furnace
Valuation:
$4,400
Permit #:
MISR2017-04069
Status:
complete
Fee:
$728
Permit Type:
N/A
Building Type:
N/A
New install/new location split system. a unit will be installed in a new location. this unit will be fully screened behind a solid fence or alternatively behind shrubs or buildings providing screening resulting in the unit not being visible from any street views. roof top installations will be located on back roof slopes and below ridge lines and not visible from street views
Valuation:
$19,000
Permit #:
RES-1618796
Status:
final
Fee:
$236
Permit Type:
N/A
Building Type:
Single family
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2017-02-16
4 insp ~: 5 ton hvac changeout - horizontal in attic installing trane 14 seer 80% afue 11.7 eer 100k btu heat 60k btu cool ahri# 8748495 replace zone control board and t-stats enlarge return duct from 16 to 20
Valuation:
$14,519
Permit #:
MISR2017-01065
Status:
complete
Fee:
$365
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2016-12-12
5 insp ~: hvac changeout 2.5 ton split system heat pump in attic new system 15 seer 12.5 eer 9 hspf replace flexible ducting with new - reuse existing cans new system: trane condenser: 4twr5030g1000c & air handler: tam7a0b30h21sd
Valuation:
$13,315
Permit #:
MISR2016-07978
Status:
complete
Fee:
$425
Permit Type:
N/A
Building Type:
N/A
C/o hvac
Valuation:
$14,392
Permit #:
17-10-105
Status:
final
Fee:
$257
Permit Type:
N/A
Building Type:
Single family
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2017-07-25
3 inspections ~: replace 3 ton furnace new furnace specs: 60k btu located in closet in garage existing ac; type of system=condenser only furnace only or wall-mount heater; btu's=60000duct system replacement=no
Valuation:
$2,060
Permit #:
MISR2016-02131
Status:
final
Fee:
$243
Permit Type:
N/A
Building Type:
N/A
Cut-in roof mount. a unit will be installed in a new location. this unit will be fully screened behind a solid fence or alternatively behind shrubs or buildings providing screening resulting in the unit not being visible from any street views. roof top installations will be located on back roof slopes and below ridge lines, and not visible from street views.
Valuation:
$16,757
Permit #:
RES-1604324
Status:
final
Fee:
$231
Permit Type:
N/A
Building Type:
Single Family
Change-out condenser/coil only (split system) to condenser/coil only (split system). the existing unit shall be removed. the new unit shall be placed in the same location as the existing unit and shall not exceed the size of the existing unit by more than 25%. cf-1r-alt-hvac on file: carbon monoxide & smoke alarms required. reference crc sections r315 & r314.
Valuation:
$1,715
Permit #:
RES-1509703
Status:
final
Fee:
$199
Permit Type:
N/A
Building Type:
Single Family
Single family or duplex – water heater, electrical, plumbing, hvac, mechanical, solar/pv, electric v
2016-10-26
5 insp ~: hvac changeout 2.5 ton split system heat pump in attic new system 15 seer, 12.5 eer, 9 hspf replace flexible ducting with new - reuse existing cans new system: trane condenser: 4twr5030g1000c & air handler: tam7a0b30h21sd
Valuation:
$13,315
Permit #:
MISR2016-07978
Status:
complete
Fee:
$425
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2016-03-22
Residence - 5 insp - remove package system change to split system located under home replace all ductwork. american standard 4 ton 16 seer 13 eer 95% afue 100k btu
Valuation:
$18,400
Permit #:
MISR2016-00857
Status:
complete
Fee:
$425
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2016-07-25
Residential ~ 4 inspections ~: hvac package system changeout located on roof 3.5 ton goodman gpg1642100m41aa 16 seer 12.5 eer 100k btu new curb replacing return duct
Valuation:
$9,846
Permit #:
MISR2016-00239
Status:
complete
Fee:
$365
Permit Type:
N/A
Building Type:
N/A
Change-out split system to split system. the existing unit shall be removed. the new unit shall be placed in the same location as the existing unit and shall not exceed the size of the existing unit by more than 25%.
Valuation:
$11,290
Permit #:
RES-1602977
Status:
final
Fee:
$219
Permit Type:
N/A
Building Type:
Single Family
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2017-05-12
Residence 6 inspections replace 2 package systems on roof of duplex with goodman m# gpg143060m41 2.5 ton 14 seer 11 eer 60k btu heat attach to existing ductwork
Valuation:
$15,880
Permit #:
MISR2015-08926
Status:
complete
Fee:
$1,266
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2017-06-30
2 insp ~: install new 40 gallon water heater with new water supplies gas valve and earthquake strap along with required code upgrades to include: expansion - new double wall flue - watts 210 gas shut off in place of t& p valve - a1 will also remove and dispose of old water heater and provide building permit. system 1 dhw tanked 40 gallon natural gas 34000 btu 0.62 heating efficiency v... see more
Valuation:
$1,952
Permit #:
MISR2017-01334
Status:
complete
Fee:
$87
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2016-04-06
Residence ~ 4 inspections ~: replace upflow furnace in garage - covered by american home shield new furnace: payne 45k btu 3 ton blower 80% afue
Valuation:
$1,970
Permit #:
MISR2016-01518
Status:
complete
Fee:
$243
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2015-10-14
Residential ~ 4 inspections ~: replace exisitng split system 13 seer 2 ton afue 80% with internal attic furnace using 60k btus air conditioning condenser
Valuation:
$11,525
Permit #:
MISR2015-02970
Status:
complete
Fee:
$352
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2016-02-29
Residence ~ 2 inspections ~: removal of old hot water heater - install new 50 gallon hot water heater 4500 watts 95 ef 230 v
Valuation:
$1,403
Permit #:
MISR2016-00704
Status:
complete
Fee:
$91
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2017-03-27
Residence - 3 inspections replace existing hvac split system with 40k btu 3.5 ton. condenser on the side yard and air handler in laundry closet
Valuation:
$8,700
Permit #:
MISR2015-00855
Status:
final
Fee:
$352
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2016-03-07
Residential ~ 5 inspections ~: hvac downflow split system changeout condenser: 2 ton 14 seer r410 m#4a7a4025l1000a coil: r410 coil m#tg31630c175b16 furnace: variable speed 60k btu downflow m#add2b60a9v3va water heater: 40 gallon 40k btu m#brg240t6n
Valuation:
$10,327
Permit #:
MISR2015-06034
Status:
complete
Fee:
$454
Permit Type:
N/A
Building Type:
N/A
Change-out installation of gas - 050 gallon to gas - 050 gallon relocate to inside building screening not required
Valuation:
$2,000
Permit #:
RES-1702040
Status:
final
Fee:
$87
Permit Type:
N/A
Building Type:
Single family
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A-1 Certified Plumbing & Heating & Air License info
Inactive License
| License # | 799778 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
- 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 A-1 Certified Plumbing & Heating & Air at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 739377 |
| Status | Inactive |
| State | California |
| Type | Plumbing, Warm Air Heating, Ventilating And Air Conditioning |
- 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 A-1 Certified Plumbing & Heating & Air at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 709826 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
- 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 A-1 Certified Plumbing & Heating & Air at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 981741 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
- 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 A-1 Certified Plumbing & Heating & Air at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are A-1 Certified Plumbing & Heating & Air, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
93
Permits
- Building permit records show that A-1 Certified Plumbing & Heating & Air has worked on 93 permitted projects.
A-1 Certified Plumbing & Heating & Air Employees
GC
Gerald Cohen
General Partner
GC
Gerald Cohen
General Partner
JM
James Mark Merts
Sole Owner
JK
Jerry Richard Krebs
Qualify Partner
ST
Samuel Testa
Qualify Partner