Updated: Jul 07, 2026
Location and Projects
Address
4135 Northgate Blvd, Sacramento, CA, 95834
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Ilum Solar Photos
Ilum Solar
Founded in Sacramento California we are a full-service solar company that offers solar energy solutions for homes and businesses. We have 45 years combined experience in design and installation of solar. This is why we will always continue to raise the bar in; engineering, construction, and customer service. We work hard to maintain a high standard of professionalism and integrity - and we always will. Our dedicated staff of energy advisors, engineers, installers, and technicians are under one roof to provide the best service to our clients. Everyone at ILUM SOLAR has a passion for what we do and we show this by always going above and beyond customer expectations.
From BuildZoom: Ilum Solar, 4135 Northgate Blvd, Sacramento, CA holds a Solar, Electrical license and 2 other licenses according to the California license board.
Their BuildZoom score of 129 ranks in the top 1% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ilum Solar, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Ilum Solar Contact Information
Phone Number: (916) 905-0941
Address: 4135 Northgate Blvd, Sacramento, CA 95834
Ilum Solar Sacramento
Quality
129
99th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ilum Solar has a BuildZoom score of 129, which places them above 99% of 336,931 contractors in California.
Activity
|
329 projects
|
2025 |
|
249 projects
|
2024 |
|
416 projects
|
2023 |
Our building permit records indicate that Ilum Solar has worked on at least
994.0 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
|
22 projects
|
Commercial Renovations |
|
16 projects
|
Home Additions |
|
9 projects
|
New Constructions |
|
951 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that Ilum Solar mostly works on
solar installation
and commercial renovation
projects.
Pricing
|
19 projects
|
< $5k |
|
75 projects
|
$5k-$20k |
|
224 projects
|
$20k-$50k |
|
91 projects
|
$50k-$100k |
|
11 projects
|
$100k-$250k |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $35,000. 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.
Solarapp+ (contractor only) - residential roof mount photovoltaic or photovoltaic with energy storag
2025-03-06
Solar app plus project id: sa20250306-6288-27-8289-a scope: photovoltaic solar and storage photovoltaic system size: 12.555 kw dc (31) photovoltaic modules: ja solar jam54s31-405 (2) inverter(s): tesla powerwall 3 (1707000-xx-y) energy storage system size: 11.5 kwh (2) ess: tesla powerwall 3 (1707000-xx-y) (1) energy management systems: tesla backup switch (1624171-95-k) main panel up... see more
Valuation:
$7,415,307
Permit #:
BLD25-01201
Status:
canceled
Fee:
$684
Permit Type:
N/A
Building Type:
N/A
Residential: limited review - electrical mechanical plumbing roof solar etc
2025-05-01
Install roof mounted solar system and ess on main dwelling (n) modules: (38) longi solar lr5-54habb-400m (400w) (n) power optimizers: (16) tesla mci rsd (n) ess: (2) tesla powerwall 3 (13.5kwh ea.) (n) rapid shutdown: (1) remote rsd switch (n) inverter: (2) tesla powerwall 3 11.5kw w dc disconnect afci rsd (n) subpanel: (1) 100a backup loads panel w 100a ocpd & relocated backup loads ... see more
Valuation:
$104,424
Permit #:
BLD25-01101
Status:
complete
Fee:
$562
Permit Type:
Alteration
Building Type:
N/A
Residential: limited review - electrical mechanical plumbing roof solar etc
2025-04-10
Install roof mounted solar system and ess on main dwelling (n) modules: (31) ja solar jam54s31-405/mr (405w) (n) power optimizers: (12) tesla mci-2 rsd (n) ess: (2) tesla powerwall 3 (13.5kwh ea.) (n) rapid shutdown: (3) remote rsd switch (n) inverter: (2) tesla powerwall 3 11.5kw w dc disconnect afci rsd (n) backup switch: (1) tesla meter innstalled backup switch (e) msp: 200a w 200a... see more
Valuation:
$74,153
Permit #:
BLD25-01275
Status:
complete
Fee:
$403
Permit Type:
Alteration
Building Type:
N/A
Non-solar app+ single family dwelling or duplex residential - solar photovoltaic energy systems
2025-01-22
Install roof mounted photovoltaic solar - 8.4kw 20 modules 20 microinverters 125a combiner box 60a knife air conditioning disconnect main breaker derate to 100a solar mounting/racking systems shall be a minimum class b fire rating when installed with type 1 or 2 modules (ul 1703 & ul 2703) maximum anchor spacing = 4-ft. otherwise plans shall be sealed/signed by a licensed civil or str... see more
Valuation:
$47,140
Permit #:
PHVR-2024-0311
Status:
complete
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Solarapp+ approval: sa20250625-2454-145-8289-a - installing 14 roof-mounted solar photovoltaic modules 405 watts per module total no. of rating 5.67 kw. including 1 energy storage unit of 240 vdc 48 a with 13.5 kwh each in capacity. installing 5.67kw roof mounted photovoltaic solar+e
Valuation:
N/A
Permit #:
E202506253461
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Solarapp+ approval: sa20250505-2454-94-8289-a - installing 20 roof-mounted solar photovoltaic modules 8 watts per module total no. of rating 0.16 kw. including 1 energy storage unit of 240 vdc 48 a with 14.5 kwh each in capacity. installing 8.1kw roof mounted photovoltaic solar+ess
Valuation:
N/A
Permit #:
E202505062221
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Roof mounted residential solar photovoltaic 6.40kwdc 5.81kwac 16 modules 16 microinverters 1 125a combiner box 1 battery iq 5p 1 60a knife air conditioning disconnect 1 30a knife air conditioning disconnect main panel upgrade to 225a/200a
Valuation:
N/A
Permit #:
2025-013
Status:
issued
Fee:
$406
Permit Type:
N/A
Building Type:
N/A
Express residential solar with storage (solarapp+)
2025-12-06
Roof mounted residential solar photovoltaic 17.20kwdc 15.60kwac 43 modules 2 tesla powerwall 3- 11.5kw inverter 1 tesla backup switch 1 tesla rapid shutdown device 2 60a air conditioning disconnect main electrical panel upgrade to 225a/200a
Valuation:
$123,324
Permit #:
BEL2404378
Status:
expired
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Express residential solar with storage (solarapp+)
2025-12-06
Roof mounted residential solar photovoltaic 17.20kwdc 15.60kwac 43 modules 2 tesla powerwall 3- 11.5kw inverter 1 tesla backup switch 1 tesla rapid shutdown device 2 60a air conditioning disconnect main electrical panel upgrade to 225a/200a
Valuation:
$123,324
Permit #:
BEL2404378
Status:
expired
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Express residential solar with storage (solarapp+)
2025-04-30
Roof mounted residential solar photovoltaic 12.15kwdc 11.01kwac 30 modules 2 tesla powerwall 3 with 11.5kw inverters 1 tesla backup switch 1 tesla rapid shutdown device 1 100a sub service panel
Valuation:
$65,160
Permit #:
BEL2500947
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Express residential solar with storage (solarapp+)
2025-04-30
Roof mounted residential solar photovoltaic 12.15kwdc 11.01kwac 30 modules 2 tesla powerwall 3 with 11.5kw inverters 1 tesla backup switch 1 tesla rapid shutdown device 1 100a sub service panel
Valuation:
$65,160
Permit #:
BEL2500947
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Roof mounted residential solar photovoltaic 10.00kwdc 9.07kwac 25 modules 1 tesla powerwall 3 with an 11.5kw inverter 1 tesla backup switch 1 tesla rapid shutdown device main panel upgrade to 225a/125a
Valuation:
$59,125
Permit #:
BEL2500293
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Roof mounted residential solar photovoltaic 10.00kwdc 9.07kwac 25 modules 1 tesla powerwall 3 with an 11.5kw inverter 1 tesla backup switch 1 tesla rapid shutdown device main panel upgrade to 225a/125a
Valuation:
$59,125
Permit #:
BEL2500293
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Refund in process 04/18/2025: roof mounted residential solar photovoltaic 12.15kwdc 11.01kwac 30 modules 2 tesla powerwall 3 with 11.5kw inverters 1 tesla backup switch 1 tesla rapid shutdown device 1 100a sub service panel
Valuation:
N/A
Permit #:
FPESS2500183
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Roof mounted residential solar photovoltaic 15.18kwdc 14.05kwac 33 modules 1 tesla powerwall 3 with 11.5kw inverters 1 tesla backup switch 1 tesla rapid shutdown device 1 100a sub service panel
Valuation:
$59,802
Permit #:
RES-SOLAR-25-000034
Status:
complete
Fee:
$203
Permit Type:
N/A
Building Type:
N/A
Building - building (r) - solar photovoltaic solarapp+
2025-01-31
Roof mounted residential solar photovoltaic 8.90kwdc 7.94kwac 20 modules 2 tesla powerwall 3- 11.5kw inverter 1 tesla backup switch 1 tesla rapid shutdown device main panel upgrade 225a/200a
Valuation:
$52,421
Permit #:
BLDG-RPVSI-2025-00343
Status:
final
Fee:
$452
Permit Type:
N/A
Building Type:
N/A
Install new roof mount solar photovoltaic system 13.60 kw/dc 11.5 kw/ac (34) modules (2) tesla powerwalls 3-11.5 kw inverter (1) tesla backup switch (1) tesla rapid shutdown device. main panel upgrade on a separate permit
Valuation:
$97,240
Permit #:
B2404312
Status:
final
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
E-permit: solar app application id - sa20250616-150-521-8289-a residential - 10.53kw photovoltaic system main breaker replacement: - no battery backup units: - 3
Valuation:
$81,807
Permit #:
BP25-04257
Status:
final
Fee:
$848
Permit Type:
N/A
Building Type:
N/A
Revision to b202502207. panel changed to 125/225a per inspector's request
Valuation:
$38,663
Permit #:
BPA25-1404
Status:
complete
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Install 6.885kw photovoltaic rooftop solar system 17 modules 1 tesla powerwall 3 battery/inverter 1 tesla backup switch and 1 tesla rapid shutdown device. mpu under separate permit
Valuation:
$38,663
Permit #:
B202502207
Status:
final
Fee:
$656
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Ilum Solar License info
Verified License
| License # | 1092865 |
| Status | Active |
| State | California |
| Type | Solar, Electrical |
| Business Type | Inc. |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Ilum Solar at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1092865 |
| Status | Active |
| City | Butte County |
| Type | Contractor |
| Business Type | Inc. |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Ilum Solar at the Butte County, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1009260 |
| Status | Inactive |
| City | Oceanside |
| Type | Contractor |
| Business Type | Inc. |
- According to the City of Oceanside, CA, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Ilum Solar at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
129
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Ace American Insurance Company |
2.4K
Permits
- Building permit records show that Ilum Solar has worked on 2393 permitted projects.