Updated: Jun 08, 2026
Location and Projects
Address
9307 Emerald Vista Dr, Elk Grove, CA, 95624
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Mielcasz & Assoc Heating & Air Photos
Mielcasz & Assoc Heating & Air
Regardless of whether we’re installing, repairing or simply maintaining your systems, we take that responsibility very seriously. That’s why Mielcasz & Assoc Heating & Air undergo extensive training throughout the year, and are screened to be the most helpful and expert technicians we can find. It’s what keeps our thousands of customers and brings hundreds more referrals our way. For heating and air cooling system that maximizes your efficiency and comfort, call us today!
From BuildZoom:
Mielcasz & Assoc Heating & Air at 9307 Emerald Vista Dr, Elk Grove, CA 95624, held a HVAC/Mechanical Contractor license (#320129) with the California contractors license board with an expiration date of 05-31-2016. We last verified the license was inactive on 06-07-2026.
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 project planner to be easily matched to qualified, licensed professionals in your area.
Mielcasz & Assoc Heating & Air Services
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Mielcasz & Assoc Heating & Air Contact Information
Phone Number: (916) 421-8002
Address: 9307 Emerald Vista Dr, Elk Grove, CA 95624
Building Permits by Mielcasz & Assoc 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
2014-10-03
Commerical condo's: 13 seer 2 ton change out existing heat pump with condenser~ hvac split:
Valuation:
$5,700
Permit #:
MISC2014-01094
Status:
complete
Fee:
$395
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2013-12-02
Residential heating system and ducting change out 3 ton 60, 000 btu
Valuation:
$4,800
Permit #:
MISR2013-06600
Status:
complete
Fee:
$241
Permit Type:
N/A
Building Type:
N/A
Change-out furnace only (split system) to furnace 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:
$2,800
Permit #:
RES-1512772
Status:
final
Fee:
$202
Permit Type:
N/A
Building Type:
Single family
Hvac change out split system furnace. 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:
$8,680
Permit #:
COM-1501935
Status:
final
Fee:
$337
Permit Type:
N/A
Building Type:
N/A
C/o existing wall heater to attic installed heating system with ductwork. carbon monoxide & smoke alarms required. reference crc sections r315 & r314
Valuation:
$4,200
Permit #:
RES-1415609
Status:
final
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2012-08-01
E hvac co
Valuation:
$5,750
Permit #:
MISR2012-04144
Status:
final
Fee:
$264
Permit Type:
Heating air condi...
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2011-09-06
Existing hvac c/o
Valuation:
$12,650
Permit #:
MISR2011-04821
Status:
expired
Fee:
$398
Permit Type:
Other - see descr...
Building Type:
N/A
Hvac change out 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 2010 crc sections r315 & r314
Valuation:
$8,500
Permit #:
RES-1314894
Status:
final
Fee:
$211
Permit Type:
N/A
Building Type:
N/A
Hvac change out. 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 2010 crc sections r315 & r314. cfr forms required at final
Valuation:
$8,000
Permit #:
RES-1313147
Status:
final
Fee:
$209
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2012-02-21
E//hvac co
Valuation:
$13,850
Permit #:
MISR2012-00859
Status:
final
Fee:
$413
Permit Type:
Heating air condi...
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2011-05-24
Hvac change out
Valuation:
$8,950
Permit #:
MISR2011-02472
Status:
final
Fee:
$332
Permit Type:
Heating air condi...
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2010-09-14
Hvac c/o title 24 at final
Valuation:
$8,500
Permit #:
MISR2010-04416
Status:
final
Fee:
$332
Permit Type:
Heating air condi...
Building Type:
N/A
Hvac change out. 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 2010 crc sections r315 & r314. cfr forms required at final
Valuation:
$11,200
Permit #:
RES-1300009
Status:
final
Fee:
$218
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2011-05-12
Hvac change out
Valuation:
$6,850
Permit #:
MISR2011-01978
Status:
final
Fee:
$287
Permit Type:
Heating air condi...
Building Type:
N/A
Pg & e requesting owner obtain gas test due to tenants claim they are smelling gas
Valuation:
$500
Permit #:
RES-1300955
Status:
final
Fee:
$84
Permit Type:
N/A
Building Type:
N/A
Install new adjustable curb with built in platform and re-set air conditioning unit after re-roof being done on seperate permit is complete. carbon monoxide & smoke alarms required. reference 2010 crc sections r315 & r314
Valuation:
$2,150
Permit #:
RES-1211278
Status:
final
Fee:
$197
Permit Type:
N/A
Building Type:
N/A
Remove existing roof mount hvac unit to allow for re-roof ( re- roof is not a part of this permit re-roof to be done on a seperate permit) re-install existing hvac unit. unit #4
Valuation:
$1,600
Permit #:
COM-1210503
Status:
final
Fee:
$195
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2011-06-17
Hvac change out
Valuation:
$8,500
Permit #:
MISR2011-02738
Status:
final
Fee:
$332
Permit Type:
Heating air condi...
Building Type:
N/A
Replace ex.split hvac with new package roof mounted unit
Valuation:
$7,300
Permit #:
0302552
Status:
final
Fee:
$185
Permit Type:
N/A
Building Type:
N/A
Replace exist. hvac package ground mounted unit heat pump to gas
Valuation:
$5,600
Permit #:
0301809
Status:
final
Fee:
$184
Permit Type:
N/A
Building Type:
N/A
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Mielcasz & Assoc Heating & Air License info
Inactive License
| License # | 320129 |
| Status | Inactive |
| State | California |
| Type | Solar, 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.
Check this license's status for Mielcasz & Assoc 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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Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
151
Permits
- Building permit records show that Mielcasz & Assoc Heating & Air has worked on 151 permitted projects.
Mielcasz & Assoc Heating & Air Employees
DN
David Edward Nickelson
Rmo/Ceo/Pres
LM
Lester Raymond Mielcasz
RMO/CEO/PRES
MM
Mary Elizabeth Mielcasz
Officer