Custom Solar LLC
Solar installer working in Boulder.
- Boulder publishes no contractor license list we can check
82 jobs on Boulder permits, 2021 to 2026: 81 solar installations, 1 EV charger installation. 6th most solar system permits of 68 contractors in Boulder.
What the public records show
From the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | Boulder publishes no contractor license list we can checkThat says nothing about this business either way. | Ask them |
| Jobs on record | 82 jobs on Boulder permits, 2021 to 2026: 81 solar installations, 1 EV charger installation6th most solar system permits of 68 contractors in Boulder. That counts jobs, not quality.Our Boulder permit records cover September 2021 to September 2026.Of their 81 solar system permits, 20 mention a battery. |
Records: City of Boulder permits.
Cost and timing
All solar system jobs in Boulder: $12,000 to $34,000
Half of 2,268 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Solar with a battery in Boulder: $24,000 to $47,000 (444 permits)
How to read this range
Contractors write a job value on the permit form, and the city uses it to set the permit fee. It is not the contract price, and it is often lower than what you pay. A quarter of the permits list less than this range, and a quarter list more. Use it to see if a quote is in the normal range.
Permit value (not a price)
Their typical permit lists $31,879 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. Over their last 12 months (20 permits) it was $41,500. What solar system jobs cost in Boulder.
Get 2 or 3 written quotes.
Track record
20 jobs in the last 12 months, up from 18 the year before
Where they work most
- 8030424 jobs
- 8030519 jobs
- 8030214 jobs
- 8030313 jobs
- 8030112 jobs
Jobs by kind of work
Latest jobs
Permit values are what the contractor wrote on the permit form, not what the owner paid.
| Date | Work | ZIP | On the permit form |
|---|---|---|---|
| Sep 18, 2026 | SolarRoof mounted PV and battery storage system addition to existing pv *See PMT2006-01040-ELE for… | 80304 | $28,000 |
| Aug 27, 2026 | SolarBallast Roof mounted PV system with a battery storage unit mounted on exterior | 80304 | $33,552 |
| Aug 17, 2026 | SolarRoof-top flush-mount 11kwh PV system with Battery Storage system installation | 80305 | $35,463 |
| Aug 4, 2026 | Solar, 23 kWInstall 23 kW tilted photovoltaic system mounted on roof of single family detached dwelling - 12… | 80302 | $48,000 |
| Jul 27, 2026 | Solar, 11.88 kW11.88 kW DC roof mounted solar + battery backup | 80304 | $63,743 |
| Jul 27, 2026 | Solar, 15.2 kW15.2 kW tilted roof mount pv system on single family detached dwelling and new detached garage… | 80304 | $65,000 |
| Jul 20, 2026 | Solar**REVISION 8/13/26-Interconnection reverts back to a supply side connection in the CT Cabinet,… | 80302 | $77,000 |
| Jul 10, 2026 | Solar, 5.55 kW5.55 kW roof mounted PV | 80302 | $17,947 |
| Jun 26, 2026 | SolarRoof mounted Solar System with backup ESS | 80305 | $22,000 |
| Jun 24, 2026 | SolarInstall two ESS for single family dwelling - mounted on exterior *See ELE2019-00023 for PV | 80303 | $20,557 |
| Jun 3, 2026 | Solar, 11.5 kW11.5 kW flush mounted PV on roof of single family detached dwelling - includes ESS mounted on… | 80305 | $43,000 |
| May 7, 2026 | SolarRoof Mounted Photovoltaic System | 80304 | $48,976 |
| Apr 6, 2026 | SolarRooftop Solar system | 80302 | $104,000 |
| Mar 31, 2026 | Solar, 7.6 kWInstallation of new 15 kwhr BB system to existing 7.6kW PV | 80302 | $21,000 |
| Mar 20, 2026 | SolarBattery Installation *PV Installed under PMT2017-00189-ELE | 80302 | $48,440 |
| Dec 15, 2025 | Solar, 11.5 kWRooftop mounted 11.5kW AC PV array and Tesla Powerwall | 80305 | $43,524 |
| Dec 10, 2025 | Solar, 11.5 kW11.5 kW Photovoltaic and Battery system installation | 80302 | $26,851 |
| Nov 26, 2025 | Solar, 6.4 kW6.4 kW DC roof mounted solar + battery back up | 80305 | $20,000 |
| Nov 14, 2025 | SolarPhotovoltaic roof mounted system with a battery system **REVISION 12/12/25-Added the heat detector… | 80305 | $70,000 |
| Nov 12, 2025 | Solar, 16.054 kW***REVISION 2/18/26-Addition of non-fused disconnect. 16.054 kW AC Rooftop Solar PV installation | 80303 | $40,000 |
| Sep 19, 2025 | Solar, 3.6 kWRooftop ballast-mounted 3.6 kW solar PV system | 80304 | $14,400 |
| Aug 27, 2025 | Solar, 3.49 kWPhotovoltaic grid tied roof mount system 3.49 kW | 80305 | $13,929 |
| Aug 21, 2025 | Solar, 15.225 kWInstallation of 15.225 kW DC roof mounted PV + 11.5 kW AC Battery backup | 80302 | $62,997 |
| Aug 15, 2025 | Solar, 11.4 kWRooftop Photovoltaic system 11.4 kW AC (10.44 kW DC) | 80304 | $33,993 |
| Jul 21, 2025 | Solar, 9.46 kWSYSTEM TYPE: GRID INTERACTIVE SOLAR PV with ESSDC SYSTEM SIZE: 9.46 kW DCAC SYSTEM SIZE: 10 kW AC… | 80304 | $73,970 |
| Jul 8, 2025 | Solar, 5.04 kW5.04 kW DC roof mounted PV expansion | 80305 | $17,500 |
| Jun 5, 2025 | Solar, 6.8 kWInstallation of a 6.8 kW DC PV system | 80302 | $21,742 |
| May 16, 2025 | Solar25 x REC Solar 420 Watt Panels (REC420AA Pure 2) 2 x Tesla Powerwall 3 [BAT] (Tesla) ***REVISION… | 80302 | $45,100 |
| Apr 22, 2025 | SolarInstallation of a rooftop solar PV system | 80301 | $82,472 |
| Apr 9, 2025 | SolarInstallation of a 13kWh battery backup system. ***REVISION 4/10/25***Moving location of battery to… | 80302 | $6,549 |
| Mar 27, 2025 | SolarInstallation of (1) Tesla powerwall 3 battery 13.5 kWh SOLAR | 80305 | $20,310 |
| Mar 6, 2025 | Solar, 34.6 kW34.6kW AC solar PV system on building 4N, a new- build multi-family building as part of the 30 PRL… | 80301 | $134,614 |
| Feb 21, 2025 | Solar, 11.475 kWInstallation of a 11.475 kW dc grid-tied photovoltaic system, roof-mounted ***3/18/25 Revised to… | 80304 | $39,497 |
| Feb 10, 2025 | Solar, 8.40 kWInstallation of a rooftop solar PV system - 8.40 kW DC | 80305 | $31,879 |
| Feb 10, 2025 | Solar, 86.8 kWCommercial new construction 86.8kW DC PV solar system. ***REVISION 2/20/25***Change from line side… | 80301 | $276,849 |
| Dec 18, 2024 | Solar, 15.48 kW15.48 kW DC rooftop solar PV system with battery backup | 80304 | $106,874 |
| Oct 22, 2024 | Solar, 9.66 kWInstallation of a rooftop solar PV system 9.66kW | 80305 | $33,243 |
| Oct 1, 2024 | SolarNo details on the permit | 80301 | $193,296 |
| Sep 20, 2024 | Solar***10/25/24 CHANGE IN SCOPE TO INCLUDE*** Original plans had 3/4" EMT Conduit running between the… | 80304 | $20,760 |
| Sep 18, 2024 | Solar, 3.4 kWInstallation of a 3.4 kW dc grid-tied photovoltaic system, roof-mounted | 80305 | $14,450 |
What to ask before you hire
About Custom Solar LLC
- Ask for their license number and check it with the state.
- Ask what the warranty covers and for how long, in writing.
- Search their name on the Better Business Bureau site, and read their reviews.
Worth asking any solar installer
- Can you show me proof of liability insurance and your bond?
- What size system, which panels and inverter, and what will it make in a year?
- Is my roof good for 25 more years, and what if it needs work first?
- Who handles the permit and the utility's approval to turn it on?
Get a quote from Custom Solar LLC
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Your job room keeps the request, your photos and every reply in one place, with an assistant that checks prices against city permits. Keep its link: it is the key to your job.
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