Updated: Dec 18, 2025
Location and Projects
Address
1990 Olivera Rd, Concord, CA, 94520
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Semper Solaris Photos
Semper Solaris
Semper Solaris is a veteran owned company. For years we’ve been helping people save money via the power of solar power. Our main focus to help people have comfortable efficient homes.
This is why we also offer heating, ventilation & air conditioning (HVAC) services. Most HVAC units have a life expectancy of 15-20 years. After that begin to become less efficient, it takes more energy to power them compared to new units.
If you have an old HVAC unit, it might be time to upgrade.
From BuildZoom:
Semper Solaris at 1990 Olivera Rd, Concord, CA 94520, has a BuildZoom score of 0 and ranks in the top 99% of 336,931 California contractors.
If you are thinking of hiring Semper Solaris, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Semper Solaris Contact Information
Phone Number: (925) 320-3933
Address: 1990 Olivera Rd, Concord, CA 94520
Semper Solaris Concord
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Semper Solaris, log in and update your license info in the “Edit Profile” tab.
Activity
|
36 projects
|
2025 |
|
26 projects
|
2024 |
|
40 projects
|
2023 |
Our building permit records indicate that Semper Solaris has worked on at least
102.0 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.
Experience
|
4 projects
|
Home Additions |
|
33 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that Semper Solaris mostly works on
solar installation
and home addition
projects.
Pricing
|
1 project
|
< $5k |
|
25 projects
|
$5k-$20k |
|
36 projects
|
$20k-$50k |
|
6 projects
|
$50k-$100k |
The typical size of their permits is approximately $24,500. This graph shows the distribution of these job values.
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.
Remove & dispose off existing roofing material install new roof re-flash pipes vent to code. roof material: composition shingle color: night sky roof pitch: 8:12 crrc# 0890-0026 sri: 16 sq: 23.06 addition one 14 sun tunnel for garage. addition 2 units - sun dome with flashing
Valuation:
$49,701
Permit #:
BLDR-2025-0253
Status:
issued
Fee:
$376
Permit Type:
N/A
Building Type:
N/A
1- esla powerwall 2 (n) ess battery(14.0kwh) 1-200a j fused air conditioning disconnect- (n) air conditioning disconnect 1-30a fused air conditioning disconnect (n) air conditioning disconnect 1- system sensor 5602 heat alarm (n) heat alarms
Valuation:
$22,900
Permit #:
BL-ELER-2025-00193
Status:
complete
Fee:
$738
Permit Type:
N/A
Building Type:
N/A
Reroof of carport only 10 squares. remove and dispose of existing roof material and install new roof. new material is duration cool comparable shingle in forest brown crrc:0890-0018 no re-sheathing
Valuation:
$6,890
Permit #:
B41875
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Revision on #bl-pv-fm-2025-00069 1.due to the vent we have changed the placement of the module on the north-east roof. 2. we have changed the location of new air conditioning combiner from south east wall to north west wall
Valuation:
N/A
Permit #:
BL-RV-2025-00134
Status:
complete
Fee:
$428
Permit Type:
N/A
Building Type:
N/A
17- csi solar co cs6r-390ms-hl (blk) (n) solar modules(6.63kw) 17- enphase iq8plus-72-2-us(240v) (n) inverters 2- - enphase iq battery 5p (n) ess battery(10kwh) 1- - enphase iq battery 5p (n) ess mid 1- 200a load center(n) load centers 1- 125a enphase iq combiner 5c(n) air conditioning combiners 1- (n) ess disconnect switch<div><br></div><div>**note: electrical output rating of photov... see more
Valuation:
$51,588
Permit #:
B38351
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
19- hanwha q.peak duo ml-g10+ 410 (n) modules(7.79 kw) 19- enphase iq8plus-72-2-us(n) inverters 1- 125a enphase iq combiner 4c (n) air conditioning combiners 1- 125a load center (n) load centers
Valuation:
$30,993
Permit #:
BLSR-2024-0078
Status:
complete
Fee:
$383
Permit Type:
N/A
Building Type:
N/A
Revision on #b36553 1. photovoltaic layout changed due to rafter direction. single module relocated from north-west facing roof to southeast facing roof 2. we have added (n) 200a air conditioning disconnect. near the msp meter 3.we have changed the location of (e) detached load center on the plan and placed inside the house on correct location changes have been made to: e1 e2 e3 e5 e6... see more
Valuation:
$16,992
Permit #:
B36835
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Residential alteration or addition - plan check-permit
2024-10-03
Cross street: de luz rd description of work: 1300 sqft re-roof for existing single family dwelling if a re-roof project is proposed the following specifications apply. existing roofing material: comparable shingle proposed roofing material: comparable shingle manufacturer: owens corning brand and model: duration cool color (if cool roof required): sierra gray #0890-0013 built-up roofi... see more
Valuation:
$7,709
Permit #:
PDS2024-RESALT-008264
Status:
complete
Fee:
$2
Permit Type:
N/A
Building Type:
N/A
11- csi solar co.cs6r-390ms-hl(blk) (n) solar modules(4.290 kw) 11- enphase iq8plus-72-2-us (240v) (n) inverters 2- enphase iq battery 5p (n) ess battery(10.0 kwh) 1-enphase iq system controller 3 (n) ess mid 1- 125a enphase combiner 5c (n) air conditioning combiners 1- 200a backup load center (n) load centers
Valuation:
N/A
Permit #:
BD-PVT-24-03261
Status:
final
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Roof mounted photovoltaic system 3.600 kw/ess
Valuation:
$38,084
Permit #:
M23-029885
Status:
final
Fee:
$384
Permit Type:
N/A
Building Type:
N/A
Replace existing hvac system with new 4-ton 14.5 seer heat pump and air handler. new 220v circuit for heat pump and lineset. air handler: amst48cu1400 heat pump: aszh404810 hspf: 8.0 seer: 14.5
Valuation:
$19,477
Permit #:
MECR-2024-0188
Status:
complete
Fee:
$167
Permit Type:
N/A
Building Type:
N/A
Install (1) 13.5 kwh ess tesla battery (1) 200a tesla gateway (1) 60a air conditioning disconnect
Valuation:
$24,500
Permit #:
B2025-0220
Status:
final
Fee:
$1,422
Permit Type:
Residence electric
Building Type:
N/A
Change out condenser and coil in same location with ductwork 11 supplies 5 ton 14 seer in backyard
Valuation:
N/A
Permit #:
B25-00018
Status:
final
Fee:
$462
Permit Type:
Residential
Building Type:
N/A
Photovoltaic (30) mods (2) powerwalls (2) 60a air conditioning disconnect
Valuation:
$52,783
Permit #:
MEP2025-00074
Status:
final
Fee:
$734
Permit Type:
Solar & battery
Building Type:
N/A
Split system out convert gas to electric heat pump in same locations: air handler in closet hspf 8; air conditioning hp condenser 14 seer 3 tons and 1 return
Valuation:
$24,380
Permit #:
B39431
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
2 ess 200 amp loadcenter
Valuation:
$21,500
Permit #:
M24-030447
Status:
final
Fee:
$453
Permit Type:
N/A
Building Type:
N/A
Withdrawn by constactor 4/2/24 - hvac - replace furnace & air conditioning unit like for like. furnace in closet - 60, 000 btu's - 80 % afue air conditioning - backyard 4 ton 16 seer
Valuation:
$14,000
Permit #:
MEC-2023-00571
Status:
withdrawn
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1 split system change out conversion 1 gas furnace replace
Valuation:
N/A
Permit #:
B-ME25-0018
Status:
final
Fee:
$622
Permit Type:
Onl furn rpl new ...
Building Type:
N/A
Revision on #b36553 1. we have removed air conditioning disconnect from the plan and shown 150a main breaker in the msp changes made on #e2 & e7
Valuation:
$16,992
Permit #:
B37434
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Hvac changeout: 3.5 tons 80k btus installed in same location as existing in garage
Valuation:
N/A
Permit #:
B24-002509
Status:
final
Fee:
$194
Permit Type:
N/A
Building Type:
N/A
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Semper Solaris License info
Unverified License
| Status | Unable To Verify |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Semper Solaris, log in and update your license info in the “Edit Profile” tab.
150
Permits
- Building permit records show that Semper Solaris has worked on 150 permitted projects.