Home Additions in Spencer, MA

Spencer, MA at a glance

County

Worcester County, Massachusetts · 60 places we serve there

From our base

About 19 miles west

Building permits

Spencer's building department

Contractor rules

MA Home Improvement Contractor registration (M.G.L. c.142A)

Nearest documented addition project

Front Porch Addition in Needham, MA

39 mi east of Spencer

Our documented addition and other work, by distance:

• Shrewsbury, MA: client review of our kitchen and bathroom remodel 15 mi east
• Northborough, MA: client review of our deck and small addition 19 mi east
• Westborough, MA: client review of our new siding and windows 19 mi east
• Marlborough, MA: client review of our first-floor remodel 24 mi east
• Hudson, MA: client review of our bathroom remodel 24 mi northeast
• Framingham, MA: client review of our kitchen remodel 30 mi east
• Needham, MA: porch addition 39 mi east
• Mansfield, MA: kitchen remodel 42 mi east
• Lynnfield, MA: addition and exterior remodel 52 mi northeast
• Lynnfield, MA: addition framing video 52 mi northeast
• Salem, NH: pool deck 55 mi northeast

Permits and rules in Spencer, MA

An addition needs a building permit from Spencer's building department and must meet local zoning rules such as setbacks. On septic, an added bedroom also needs Board of Health review under Title 5. Since February 2, 2025, one accessory dwelling unit, up to 900 square feet or half the main house if smaller, is allowed by right in single-family zones.

What's included

• Room & second-story additions
• In-law suites (ADUs)
• Sunrooms & porches
• Designer & engineer coordination

Costs and timelines: our home additions guide

How Much Does a Home Addition Cost in Massachusetts?

Distances: straight line, GeoNames data (CC BY 4.0). Updated October 8, 2026.