
164 Union St Natick — Photo 1 of 30
Beds
4
Baths
3
SqFt
2,300
Style
Single Family
Built
1890
A rare opportunity to own a truly versatile property in sought-after South Natick, featuring two residential dwellings plus a detached garage/barn. Offering exceptional flexibility for homeowners, extended family, guests, or rental potential, this unique property combines character, functionality, and thoughtful updates. The main residence offers 4 bedrooms and 3 bathrooms, including a newly added upstairs full bathroom (2020), along with a remodeled kitchen (2025), new furnace (2025), new siding (2021), and a partially finished basement with fireplace providing bonus living or recreational space. The home is also partially powered by an owned 36-panel solar array, offering an additional energy-efficient feature. A charming separate cottage provides 2 additional bedrooms and living space, making it ideal for guests, extended family, a home office, or potential rental income. Mini-split heating and cooling was added in 2023 to supplement the existing oil heat. Set in a desirable location with convenient access to Natick Center, South Natick Village, local restaurants, major routes, beautiful gardens, and scenic trails, the property offers both convenience and the charm and tranquility of South Natick. With two distinct residences, a detached garage/barn, extensive recent improvements, and a flexible layout, this is a unique opportunity to create a home that adapts to your needs while offering potential for additional income or multigenerational living.
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Market Value Analysis
* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Natick, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Neighborhood
Public Transportation • Shopping • Tennis Court(s) • Park • Walk/Jog Trails • Golf
Geography
Population
36,782
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$139K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
31.9%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
New Construction Permits — Middlesex County
2,698 housing units permitted in the last 12 months (+3% vs the prior 12 months) — 1,713 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jul '26)
ADU Potential
Massachusetts allows one accessory dwelling unit by right in single-family zoning districts statewide (M.G.L. c. 40A §3; 760 CMR 71.00, effective Feb 2025). Estimated maximum ADU size for this property: 900 sq ft (the lesser of 900 sq ft or half the 2,300 sq ft principal dwelling). Lot size: 15,198 sq ft.
Based on listing data, which indicates the property type — not the zoning district. Local dimensional, septic (Title 5), and historic-district requirements still apply. Not legal advice — verify with the municipality.
Listing Agent: The Allain Group
Listing Office: Compass
MLS® Number: 73579548
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