Critical Mass Solar
Solar installer working in Somerville.
- Somerville publishes no contractor license list we can check
11 solar system jobs on Somerville permits, 2024 to 2025. 16th most solar system permits of 50 contractors in Somerville.
What the public records show
From the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | Somerville publishes no contractor license list we can checkThat says nothing about this business either way. | Ask them |
| Jobs on record | 11 solar system jobs on Somerville permits, 2024 to 2025Every permit we have for them is solar system.16th most solar system permits of 50 contractors in Somerville. That counts jobs, not quality.Our Somerville permit records cover October 2021 to September 2026. |
Records: City of Somerville permits.
Cost and timing
All solar system jobs in Somerville: $15,000 to $40,000
Half of 821 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Solar with a battery in Somerville: $16,000 to $42,000 (92 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 $36,550 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What solar system jobs cost in Somerville.
Get 2 or 3 written quotes.
Track record
8 jobs in the last 12 months, up from 2 the year before
Where they work most
- 021445 jobs
- 021434 jobs
- 021452 jobs
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 |
|---|---|---|---|
| Nov 24, 2025 | Solar, 4.400 kWRoof attached solar 4.400 kw dc | 02143 | $22,000 |
| Nov 24, 2025 | Solar4.84 KWDC ROOF ATTACHED SOLAR SYSTEM 11 x JA Solar 440W Modules/11 x Enphase IQ8+ Microinverters | 02143 | $24,200 |
| Nov 24, 2025 | Solar4.40 KWDC ROOF ATTACHED SOLAR SYSTEM 11 x JA Solar 440W Modules/11 x Enphase IQ8+ Microinverters | 02143 | $22,000 |
| Oct 28, 2025 | Solar6.6KWDC ROOF ATTACHED SOLAR SYSTEM CONSISTING 14 x SEG Yukon N Series Modules Enphase/ 14 IQ8M… | 02144 | $33,000 |
| Oct 27, 2025 | Solar, 6.6 kW6.6KW ROOF ATTACHED SOLAR SYSTEM CONSISTING 15 x SEG Yukon N Series Modules Enphase/ 15 IQ8M… | 02144 | $33,000 |
| Oct 27, 2025 | Solar, 12.04 kW12.04kw ROOF ATTACHED SOLAR SYSTEM CONSISTING 28 x SEG 430W Yukon N Series Modules Enphase/… | 02145 | $60,200 |
| Oct 9, 2025 | Solar10.875KWDC ROOF ATTACHED SOLAR SYSTEM 25 x SEG 430W Modules Enphase IQ8+ Microinverters 25 x… | 02145 | $54,375 |
| Sep 25, 2025 | Solar, 12.47 kW12.47KW ROOFTOP SOLAR SYSTEM CONTAINS, 29 x 430W SEG Yukon Modules, 29 x Enphase IQ8+ Microinverters | 02143 | $62,350 |
| Sep 22, 2025 | Solar, 9.68 kW9.68KW Solar System consisting 22 x JA Solar 440W Modules/22 x Enphase IQ8+ Microinverters | 02144 | $48,400 |
| Apr 17, 2025 | Solar, 7.31 kWPV Roof solar array with 17 panels 7.31 KW DC | 02144 | $36,550 |
| Mar 28, 2024 | Solar, 10.2 kW24 Panel PV Roof Array (10.2 kW | 02144 | $51,000 |
What to ask before you hire
About Critical Mass Solar
- 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 Critical Mass Solar
Five quick questions. We pass your request to Critical Mass Solar.
Request for Critical Mass Solar
- Where
- Job
- Start
- Budget
- Goes to
You decide who to hire. Your details go only to the contractors you pick. How we use your details
Sent. We have your request.
We pass it to Critical Mass Solar. Replies usually come within a few days.
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.
Open your job roomMore solar installers near 02144 and 02143
- Great Sky Solar
- Sunrun Installation Services
- The Boston Solar Company
- Ecoloop Construction
- Solarflair Energy Inc
- Palmetto Solar LLC
See all 50 solar installers in Somerville, ranked by jobs
Run this business? Claim this page to get requests by email and reply to homeowners here.