Solar Installation Cost in Boston, MA
Solar Installation in Boston, MA costs a median of $15,636, with the middle 50% of projects between $7,598 and $24,202. Based on 1,557 permits filed between January 2010 and March 2026 with City of Boston Inspectional Services Department. Last updated May 16, 2026.
Sourced from 1,557 building permits on file with the City of Boston. Source: Boston Building Permits.
Types of Solar Installation Work in Boston
| Type | Typical cost | Range | Projects |
|---|---|---|---|
| Roof Mount | $16,211 | $173 - $74,442 | 1,469 |
What Most Homeowners Paid
You could save $5,691 on a typical solar PV system in this market by claiming all available federal and state incentives on your tax return.
- Earn up to $6,240 from Massachusetts SMART 3.0 over 20 yearsAbout $312 per year for 20 yearsEstimate based on 8 kW residential system at Massachusetts state-average production (10,400 kWh/year). Base compensation rate of $0.03/kWh under SMART 3.0; rate locks at enrollment for 20 years. Battery storage and low-income adders are not included.
- Federal Solar Investment Tax Credit (ITC)30%
- Massachusetts Residential Energy Credit15% (max $1,000)
- Federal credit applies to systems placed in service through .
Net cost is the median permit value minus the credits above, with each percent credit capped at its statutory maximum. Credits are nonrefundable and require sufficient tax liability to claim. Utility-level rebates are not included. Production-based program payments are shown in nominal dollars over the program duration; net present value is lower. Sources: IRS Form 5695, Massachusetts Residential Energy Credit, Massachusetts SMART 3.0.
Featured Contractors in Boston
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Public record data. HomeQuotr does not alter, estimate, or interpolate permit values.
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Half of all projects cost less. Half cost more.