Updated: Apr 08, 2026
Location and Projects
Address
3155 GOLDEN CREST COMMON 2, Livermore, CA, 94551
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Robert James Cortez Solar Contractor
Robert James Cortez, 3155 Golden Crest Cmn, Livermore, CA holds a Warm Air Heating, Ventilating And Air Conditioning, Solar, Plumbing license according to the California license board.
Their BuildZoom score of 101 ranks in the top 12% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Robert James Cortez, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Robert James Cortez Contact Information
Phone Number: (925) 455-0720
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Address: 3155 GOLDEN CREST COMMON 2, Livermore, CA 94551
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Robert James Cortez Livermore
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Robert James Cortez has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Robert James Cortez has worked on at least
3.0 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.
Pricing
|
2 projects
|
$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.
We are replacing 2 carrier 50 ton (refrigeration tons) rooftop units with 2 identical size (50 ton) units. like for like changeouts in exact same locations. the new units are physically smaller and lighter than the 2 existing units but are still 50 ton units in terms of capacity
Valuation:
$130,000
Permit #:
BIMC22-003565
Status:
final
Fee:
$2,758
Permit Type:
N/A
Building Type:
N/A
Demolish concrete entrance ramp and landing and wooden railing. construct concrete entrance ramp and landing and steel railing
Valuation:
$20,000
Permit #:
202502200654
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replace furnace with 80% afue and air conditioning with 14 seer *refrigerant locking caps required per cmc 1106.14*
Valuation:
$8,000
Permit #:
F220053
Status:
issued
Fee:
$283
Permit Type:
N/A
Building Type:
N/A
Install door
Valuation:
$6,277
Permit #:
2023-00009
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace furnace and air conditioning
Valuation:
$10,000
Permit #:
B24-2269
Status:
final
Fee:
$252
Permit Type:
N/A
Building Type:
N/A
We are replacing 2 carrier 50 ton (refrigeration tons) rooftop units with 2 identical size (50 ton) units. like for like changeouts in exact same locations. the new units are physically smaller and lighter than the 2 existing units but are still 50 ton units in terms of capacity
Valuation:
$130,000
Permit #:
BISUB22-00726
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new air conditioning @ backyard-16 seer. (ducting is wrapped in asbestos.) refrigerant locking caps are required per cmc 1106.14
Valuation:
$5,000
Permit #:
F160335
Status:
final
Fee:
$324
Permit Type:
Add/alt single fa...
Building Type:
N/A
Permit value$5kmessage contractor install new air conditioning @ backyard-16 seer. (ducting is wrapped in asbestos.) refrigerant locking caps are required per cmc 1106.14
Valuation:
N/A
Permit #:
F160335
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace (7) commercial hvac roof top units like for like same location new unit: 411lbs 80afue 14 seer 60k btu's 3ton each. old weight 450lbs each
Valuation:
$45,000
Permit #:
B19-2972
Status:
issued
Fee:
$2,161
Permit Type:
N/A
Building Type:
N/A
Replace tank water heater with tankless - extend (e) gas line and (e) receptacle
Valuation:
$4,500
Permit #:
P220035
Status:
expired
Fee:
$236
Permit Type:
N/A
Building Type:
N/A
Mechanical tenant improvement. at suite #751
Valuation:
N/A
Permit #:
M1701150
Status:
final
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
Bld- replace wood burning fireplace with gas insert gas line already existing. (mjc)
Valuation:
N/A
Permit #:
BLD2016-03387
Status:
final
Fee:
$199
Permit Type:
N/A
Building Type:
N/A
Remove underfloor heater install 60 kbtu underfloor furnace-a/c & ducts. electrical circuit for f.a.u switched light and air conditioning use existing 3/4 gas line
Valuation:
N/A
Permit #:
D030316
Status:
final
Fee:
$103
Permit Type:
N/A
Building Type:
N/A
Remove furnance from closet install in attic. furnace (80% afue) and air conditioning (13 seer) install light and switch for attic access. duct testing required
Valuation:
N/A
Permit #:
F070239
Status:
final
Fee:
$367
Permit Type:
Asfr
Building Type:
N/A
Unit #204 - gas test for new meter
Valuation:
$3,000
Permit #:
P14-0012
Status:
final
Fee:
$199
Permit Type:
N/A
Building Type:
N/A
New gas lines
Valuation:
$20,000
Permit #:
BLD2021-60800
Status:
final
Fee:
$2,575
Permit Type:
N/A
Building Type:
N/A
Replace existing water heater with 165 kbtu tankless water heater. new location at other side of wall
Valuation:
N/A
Permit #:
WH030088
Status:
final
Fee:
$38
Permit Type:
N/A
Building Type:
N/A
Install heat and air system to offices. additional permits required for gas piping and electrical to unit
Valuation:
N/A
Permit #:
F030080
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Remove furnance from closet install in attic. furnace (80% afue) and air conditioning (13 seer) install light and switch for attic access. duct testing required
Valuation:
N/A
Permit #:
F070239
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace attic airhandler with central hvac no new electrical, no new duct extend gas line 10. cap off 2 wall furnaces
Valuation:
N/A
Permit #:
F040220
Status:
final
Fee:
$211
Permit Type:
Asfr
Building Type:
N/A
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Verified License
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Robert James Cortez License info
Verified License
| License # | 606942 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Solar, Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Robert James Cortez at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Farmers Insurance Exchange |
139
Permits
- Building permit records show that Robert James Cortez has worked on 139 permitted projects.
Robert James Cortez Employees
RC
Robert James Cortez
Owner