Updated: Mar 08, 2026
Location and Projects
Address
1194 CENTRAL AVENUE, Livermore, CA, 94551
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Service Star HVAC/Mechanical Contractor
Service Star Inc, 1194 Central Ave, Livermore, CA (Employees: Frank Louis Konrath Jr, Henry Elia, and Nader Nizar Awadalla) holds a Warm Air Heating, Ventilating And Air Conditioning license and 1 other license according to the California license board.
Their BuildZoom score of 96 ranks in the top 20% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Service Star Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Service Star Inc Contact Information
Phone Number: (214) 949-9141
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Address: 1194 CENTRAL AVENUE, Livermore, CA 94551
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Service Star Inc Livermore
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Service Star Inc has a BuildZoom score of 96, which places them above 80% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Service Star Inc 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
|
$5k-$20k |
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.
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%
Valuation:
$3,674
Permit #:
RES-1412771
Status:
final
Fee:
$202
Permit Type:
N/A
Building Type:
Single family
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2015-07-23
Residential ~ 3 inspections ~ : replace exisitng hvac with internal air handler using 70k btu roof mounted package unit unit 2 ton 14 seer afue 80%
Valuation:
$8,000
Permit #:
MISR2014-07624
Status:
complete
Fee:
$294
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2015-04-13
Residential ~ 3 inspections ~: change out existing 15 seer 2.5 ton afue 80% package unit roof mounted furnace air handler using 75k btus:
Valuation:
$8,475
Permit #:
MISR2014-07480
Status:
complete
Fee:
$294
Permit Type:
N/A
Building Type:
N/A
Change-out ducts only to ducts only. 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:
$5,000
Permit #:
RES-1411613
Status:
final
Fee:
$118
Permit Type:
N/A
Building Type:
Single family
Change-out roof mount to roof mount. 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:
$9,728
Permit #:
RES-1409284
Status:
final
Fee:
$214
Permit Type:
N/A
Building Type:
Single family
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:
$8,764
Permit #:
RES-1409285
Status:
final
Fee:
$212
Permit Type:
N/A
Building Type:
Single family
No Description Available
Valuation:
N/A
Permit #:
BLD2014-63018
Status:
final
Fee:
N/A
Permit Type:
New package
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2015-07-20
3 insp max - residence - change out hvac roof top package unit. 4 ton 15 seer 80 percent efficiency
Valuation:
$9,378
Permit #:
MISR2015-03292
Status:
complete
Fee:
$297
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2015-09-01
Residence - 3 inspections change out 4 ton 65k btu 2 stage upflow furnace located in closet. like for like
Valuation:
$4,200
Permit #:
MISR2015-00949
Status:
complete
Fee:
$235
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
BLD2014-62922
Status:
final
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2014-02-19
Res- 1 inspection remains to final - reactivation - replace existing duct work with r6 no other work
Valuation:
$6,840
Permit #:
MISR2014-00961
Status:
complete
Fee:
$555
Permit Type:
N/A
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2016-08-15
Residence - 1 inspection remains to final -( 5-25-16: purchased 1 inspection) - install 3 ton pkg unit 15 seer 80% and installed 10 runs of r-6
Valuation:
$10,900
Permit #:
MISR2014-05780
Status:
complete
Fee:
$494
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
BLD2015-72823
Status:
final
Fee:
N/A
Permit Type:
New package
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2015-07-13
3 ton pkg unit change out complete duct replacement r6
Valuation:
$14,800
Permit #:
MISR2014-01019
Status:
final
Fee:
$352
Permit Type:
N/A
Building Type:
N/A
Change-out split system to a split system. the new unit will be placed in the same location
Valuation:
$8,000
Permit #:
RES-1408525
Status:
final
Fee:
$212
Permit Type:
N/A
Building Type:
Single family
Change-out split system to a split system. the new unit will be placed in the same location
Valuation:
$8,611
Permit #:
RES-1407608
Status:
final
Fee:
$212
Permit Type:
N/A
Building Type:
Single family
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2014-09-23
Install 3 ton 15 seer 95% afu split system
Valuation:
$8,413
Permit #:
MISR2014-05179
Status:
complete
Fee:
$352
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
BLD2014-62778
Status:
final
Fee:
N/A
Permit Type:
New package
Building Type:
N/A
Miscellaneous water heater electrical plumbing hvac mechanical solar/pv electric vehicle equip. gene
2013-05-29
Hvac change out 4 ton 16 seer 80% eff package system
Valuation:
$9,129
Permit #:
MISR2013-00646
Status:
final
Fee:
$355
Permit Type:
Heating air condi...
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
BLD2014-63375
Status:
final
Fee:
N/A
Permit Type:
New package
Building Type:
N/A
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Service Star Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Service Star Inc License info
Verified License
| License # | 1143099 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Date Issued | 09-05-2025 |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Service Star Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 293114 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Electrical, General Building |
| 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 Service Star Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $12,500 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
1.4K
Permits
- Building permit records show that Service Star Inc has worked on 1405 permitted projects.
Service Star Inc Employees
FJ
Frank Louis Konrath Jr
Sole Owner
HE
Henry Elia
Rmo / Ceo / Pres
NA
Nader Nizar Awadalla
Officer