Active
6 Days on market
20 Harnden St Wilmington — Photo 1 of 42

20 Harnden St Wilmington — Photo 1 of 42

$1,395,000

20 Harnden St, Wilmington, MA 01887

Wilmington, MA 01887

Beds

7

Baths

6

SqFt

4,220

Style

Single Family

Built

1795

Wow! 20 Harnden St in Wilmington, MA, discover a distinguished single-family residence, meticulously maintained and dating back to 1795. This attractive property encompasses 4220 square feet of sophisticated living space, offering a unique blend of historical charm and contemporary refinement. The kitchen is thoughtfully appointed with stainless steel appliances, complemented by stone counters and an expansive island that includes an integrated sink, all centered around a high-end range, facilitating both culinary artistry and social engagement. The living room provides an inviting atmosphere, featuring a classic fireplace and rich hardwood flooring, establishing an ideal setting for relaxation and intimate gatherings. One of the six well-appointed bathrooms offers a double vanity and a walk-in shower equipped with multiple shower heads, providing a spa-like experience. The bedrooms, each featuring original reclaimed hardwood flooring, offer comfortable and private retreats. Complementing the interior, the property includes an inviting outdoor living space, complete with a patio and a welcoming porch, designed for alfresco enjoyment and seamless indoor-outdoor living. This property presents an exceptional opportunity to acquire a residence where historical integrity meets modern comfort. This home is on public water and public sewer with no septic system to worry about. This home would be great for a sober living, group home or multi generational home. Lots of options to expand and the home is only about half a mile to major shopping, dining and the commuter rail. This home has historic provenance and is unlike any home that you may have seen. This enormous and custom home will wow your sox off and is sure to garner a lot of attention. Open Houses Sat and Sun October 3rd and 4th from 1-3PM or by Private Appointment.

Key facts

It was listed on September 27, 2026. The annual property taxes are $11,397 (2025 tax year). It sits on a 0.8-acre (34,848 sq ft) lot.

Immersive Experience

Open Houses

Market Value Analysis

This Property
Size (SqFt) →Price →
This Property$331/sqft
Local Avg (Wilmington)$390/sqft
15% BelowMarket Average

* Analysis is based on 24 actively listed and recently sold comparable properties strictly within Wilmington, MA.

Property Details

Financials

Original Price$1,395,000
Annual Taxes$11,397

Parking

Garage0
Off-Street8

Interior Specifications

Total Rooms16
Fireplaces8
FlooringTile, Hardwood
BasementFull, Walk-Out Access, Interior Entry, Unfinished

Climate & Utilities

HeatingForced Air, Baseboard, Oil, Natural Gas, Electric
CoolingCentral Air
WaterPublic
SewerPublic Sewer

Building & Exterior

ConstructionFrame
RoofShingle
FoundationStone
ZoningRES

Property & Lot

Acres0.8
SqFt Lot34,848
Lot FeaturesGentle Sloping

Amenities & Appliances

Gas Water Heater • Range • Dishwasher • Disposal • Microwave • Refrigerator • Washer • Dryer • Plumbed For Ice Maker

Geography

Questions about this home

When was 20 Harnden St, Wilmington listed?

20 Harnden St, Wilmington was listed on September 27, 2026.

Has the price of 20 Harnden St, Wilmington changed?

The price hasn't changed since it was listed at $1,395,000.

What are the property taxes for 20 Harnden St, Wilmington?

The annual property taxes for 20 Harnden St, Wilmington are $11,397 (2025 tax year).

How big is the lot at 20 Harnden St, Wilmington?

20 Harnden St, Wilmington sits on a 0.8-acre (34,848 sq ft) lot.

What is the status of 20 Harnden St, Wilmington?

20 Harnden St, Wilmington is actively listed for sale.

Population

23,336

U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)

Median Household Income

$168K

U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)

Renter-Occupied Homes

11.9%

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 4,220 sq ft principal dwelling). Lot size: 34,848 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 Provided By

Listing Agent: Jeffrey Bowen

Listing Office: eRealty Advisors, Inc.

MLS® Number: 73579413