Updated: Jun 18, 2026
Location and Projects
Address
385 S LEMON AVENUE STE E-242, Walnut, CA, 91789
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Lumenexx Solar Contractor
Lumenexx, 385 S Lemon Ave, Walnut, CA (Employees: Brandon Alexander Onunwah, Octavio Hernandez, and Octavio Hernandez) holds a Solar license according to the California license board.
Their BuildZoom score of 103 ranks in the top 10% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Lumenexx, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Lumenexx Contact Information
Phone Number: (909) 530-0355
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Address: 385 S LEMON AVENUE STE E-242, Walnut, CA 91789
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Lumenexx Walnut
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Lumenexx has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
18 projects
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Lumenexx has worked on at least
20.0 projects over the past 2 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
|
19 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that Lumenexx mostly works on
solar installation
projects.
Pricing
|
1 project
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
The typical size of their permits is approximately $27,500. 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.
(n) 13.330kwdc (n) 15.200kwac (n) 12.205kw cec air conditioning roof mounted photovoltaic system (n) 20.000kwh energy storage system (n) (31) qcells q.tron blk m-g2+ 430 solar modules (n) (16) qcells rsd-d optimizers (n) (2) qcells q. home core q.volt h7.6sx (240v) inverter with integrated q.save d10.0sx battery (n) (1) ess disconnect switch (n) (1) 125a generation load center(n) (1) ... see more
Valuation:
N/A
Permit #:
BSA25-0350
Status:
final
Fee:
$370
Permit Type:
N/A
Building Type:
N/A
[eplan] pv1 plan check for new roof mounted photovoltaic system. system size is 4.05 kw dc/2.9 kw air conditioning. scope of work consists of (10) photovoltaic modules with microinverters and a combiner panel permit partially pulled via express 24041-90000-57100 this is a supplemental permit for existing permit # 2401-90000-57100 we are going from 14 photovoltaic modules to 10 photovo... see more
Valuation:
N/A
Permit #:
25041-10000-09788
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Air conditioning system size: 11500w cec air conditioning system size: 8622w modules: (22)jinko solar jkm425n-54hl4-b inverter: (1)tesla inc. pw3 1707000-xx-y [240v] [si1-sb]+bus 1624171-xx-y [crd-pcs limited export](240v 1ph) battery: (1)tesla inc. pw3 1707000-xx-y [11.5kw 13.5 kwh]
Valuation:
$30,000
Permit #:
RES-SOLAR-25-000264
Status:
issued
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Air conditioning system size: 11500w cec air conditioning system size: 12541w modules: (32)jinko solar jkm425n-54hl4-b inverter: (1)tesla inc. pw3 1707000-xx-y [240v] [si1-sb]+bus 1624171-xx-y [crd-pcs limited export](240v 1ph) battery: (1)tesla inc. pw3 1707000-xx-y [11.5kw 13.5 kwh]
Valuation:
N/A
Permit #:
BSA25-0593
Status:
issued
Fee:
$371
Permit Type:
N/A
Building Type:
N/A
· (n) 5.33 kw photovoltaic system. · (13) q.peak duo blk ml-g10+ 410 (1) tesla powerwall 3 (240v) inverter. · rsd : (5) tesla rsd mci-2 · point of interconnection at main service panel with circuit breaker (n)(1) - 200a powerwall backup gateway 3 (n)125a backup sub panel
Valuation:
N/A
Permit #:
SOLR-2024-0224
Status:
complete
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Scope of work installation of:<br > · (n) 8.93 kw photovoltaic system.<br > · (21) jinko eagle: jkm425n-54hl4-b 425w photovoltaic modules and <br > (2) tesla powerwall 3 (240v) inverter.<br > (n)27kwh tesla powerwall 3 energy storage system<br > (n)(1) - 200a powerwall backup gateway 3<br > (n)125a backup sub panel
Valuation:
$20,000
Permit #:
SOLR-2024-0196
Status:
issued
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Installation of a roof-mounted microinverter/ac module solar photovoltaic (pv) system not exceeding 38.4kw in a 1 or 2 family dwelling
Valuation:
N/A
Permit #:
25041-90000-17701
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Solar permit (commercial ground mount ess 400lbs or higher or adding to existing system)
2025-02-27
562 east ave q 12 14 modules 5.6 kw 2 ess new 225 amp service panel
Valuation:
N/A
Permit #:
BSOL24-00502
Status:
final
Fee:
$454
Permit Type:
N/A
Building Type:
N/A
Install 38 photovoltaic modules on residents home with 1 tesla battery. 16.150kwdc
Valuation:
$40,000
Permit #:
B2501893
Status:
final
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Installation of a roof-mounted microinverter/ac module solar photovoltaic (pv) system not exceeding 38.4kw in a 1 or 2 family dwelling
Valuation:
N/A
Permit #:
24041-90000-57100
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Solarapp+ - solar and storage 12.04kw and 28 panels; includes energy storage system
Valuation:
N/A
Permit #:
BLD-25-01063
Status:
final
Fee:
$466
Permit Type:
N/A
Building Type:
N/A
Residential roof top photovoltaic 4.64kw - solarapp+ id: sa20250324-6255-169-10810-a
Valuation:
N/A
Permit #:
BLDG-2025-000501
Status:
final
Fee:
$658
Permit Type:
N/A
Building Type:
N/A
Install 31 roof mounted solar panels 13.18kw/dc (2) tesla powerwall 3 battery grid inverter 200a backup subpanel new air conditioning disconnectâ
Valuation:
$31,000
Permit #:
B-24-1242
Status:
issued
Fee:
$166
Permit Type:
N/A
Building Type:
N/A
Main panel upgrade from 100a to 225a
Valuation:
N/A
Permit #:
B2501894
Status:
final
Fee:
$163
Permit Type:
N/A
Building Type:
N/A
Sa20250815-13378-174-10810-a
Valuation:
$25,000
Permit #:
B2508-149
Status:
final
Fee:
$774
Permit Type:
Solarapp+ pre-app...
Building Type:
N/A
[eplan] new roof mounted solar pv1 system with 5 modules/microinverters and 1 combiner box. system size is 2.0kw dc 1.5kw air conditioning
Valuation:
N/A
Permit #:
25041-10000-50891
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Installation of a roof-mounted microinverter/ac module solar photovoltaic (pv) system not exceeding 38.4kw in a 1 or 2 family dwelling
Valuation:
N/A
Permit #:
25041-90000-38954
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(eplan) pv1 installation of roof mounted solar panels. photovoltaic system includes 49 modules with 49 microinverters and 1 combiner box connected to existing main service panel. system size is 20.83kw dc/15.93kw air conditioning. mpu to be permitted separately
Valuation:
N/A
Permit #:
25041-10000-42169
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(e-plan) install new flush roof-mounted low-profile photovoltaic solar system. total solar panel modules quantity: 19 total inverters: 19 8.740 kw dc 7.296 kw air conditioning sq. ft. array area: 425.28 electrical service upgrade: no (2) enphase energy iqbattery-10c [10.0 kwh each} (1) 200a combiner (1) enphase energy iq meter collar per approved plans. accepted subject to field verif... see more
Valuation:
$10,000
Permit #:
SPV-2025-00278
Status:
withdrawn
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Dc system size: 6800w air conditioning system size: 4640w cec air conditioning system size: 6239w modules: (16)jinko solar jkm425n-54hl4-b inverter: (16)enphase iq8plus-72-2-us(240v 1ph) branch details: 2 branch of 8 micro inverters (8 modules) battery: (2)enphase iq battery 5p-1p-na 5kwh battery[si1-sb] with 6 intergrated iq8d-battery micro-inverters (n) main service panel
Valuation:
N/A
Permit #:
BSA25-0492
Status:
final
Fee:
$368
Permit Type:
N/A
Building Type:
N/A
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Lumenexx License info
Verified License
| License # | 1114147 |
| Status | Active |
| State | California |
| Type | Solar |
| Business Type | Corporation |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Lumenexx at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Transportation Insurance Company |
19
Permits
- Building permit records show that Lumenexx has worked on 19 permitted projects.
Lumenexx Employees
BO
Brandon Alexander Onunwah
Ceo / President
OH
Octavio Hernandez
Rmo
OH
Octavio Hernandez
Rmo
SI
Stanley Anthony Couzens Iii
Rmo