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60 Days on market
21 Colony Ave Bourne — Photo 1 of 40

21 Colony Ave Bourne — Photo 1 of 40

Recent Drop: $10,000

$735,000
$725,000

$725,000

21 Colony Ave, Bourne, MA 02532

Bourne, MA 02532 — Monument Beach

Beds

4

Baths

3

SqFt

2,451

Style

Single Family

Built

1978

Modern Cape offering exceptional space and flexibility! This home was extensively renovated in 2004 and is a thoughtfully designed home featuring four bedrooms, multiple living areas, and a layout ideal for both everyday living and hosting family and guests.Step inside from the welcoming front porch or attached garage into a bright, open-concept main level with soaring cathedral ceilings, a spacious kitchen, and an expansive dining and living area perfect for entertaining. The first floor includes a generous primary suite with a walk-in closet and private bath, plus a separate bedroom wing offering two additional bedrooms and a full bath for added privacy. The second level is a true retreat, featuring a massive family room, a second primary suite with a full bath, and a private deck overlooking the backyard. .A full walk-out basement provides abundant storage and endless possibilities for future expansion, workshop space, or recreation. Situated on a generous 14,070 sq. ft. lot, the property offers ample room for outdoor entertaining, gardening, and recreation.This beautifully updated Cape combines comfort, versatility, and timeless style in a home designed to accommodate today's lifestyle.

Key facts

It was listed on August 5, 2026. The price has come down from an original $749,000 to $725,000 across 2 changes, most recently on September 30, 2026. The annual property taxes are $5,007 (2026 tax year). It sits on a 0.32-acre (14,070 sq ft) lot.

Open Houses

Market Value Analysis

This Property
Size (SqFt) →Price →
This Property$296/sqft
Local Avg (Bourne)$374/sqft
21% BelowMarket Average

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

Property Details

Financials

Original Price$749,000
Annual Taxes$5,007

Parking

Garage1
Off-Street5

Interior Specifications

Total Rooms7
Fireplaces1
FlooringWood, Tile, Vinyl
BasementNone

Climate & Utilities

HeatingBaseboard, Oil
CoolingCentral Air, Window Unit(s)
WaterPublic
SewerPrivate Sewer

Building & Exterior

ConstructionFrame
RoofShingle
FoundationConcrete Perimeter
ZoningR40

Property & Lot

Acres0.32
SqFt Lot14,070
Lot FeaturesCleared, Gentle Sloping

Amenities & Appliances

Electric Water Heater • Range • Dishwasher • Refrigerator • Washer • Dryer

Geography

Floorplan Breakdown

Structural Layout

Second
Family RoomBedroom 4
First
Living RoomDining RoomKitchenPrimary BedroomBedroom 2Bedroom 3
Living Room
Lvl First

Cathedral Ceiling(s), Flooring - Hardwood

Dining Room
Lvl First

Flooring - Hardwood, Balcony / Deck, Slider, Lighting - Pendant

Kitchen
Lvl First

Flooring - Vinyl, Breakfast Bar / Nook

Family Room
Lvl Second

Flooring - Hardwood

Primary Bedroom
Lvl First

Bathroom - Full, Walk-In Closet(s), Closet

Bedroom 2
Lvl First
Bedroom 3
Lvl First

Closet, Flooring - Vinyl

Bedroom 4
Lvl Second

Bathroom - Full, Flooring - Vinyl, Balcony / Deck

Property History

Price Drop
$725,000

Was $735,000

Sep 30, 2026

MLS® 73559498

Price Drop
$735,000

Was $749,000

Aug 24, 2026

MLS® 73559498

Listed
$749,000

Aug 5, 2026

MLS® 73559498

Questions about this home

When was 21 Colony Ave, Bourne listed?

21 Colony Ave, Bourne was listed on August 5, 2026.

Has the price of 21 Colony Ave, Bourne changed?

The price has come down from an original $749,000 to $725,000 across 2 changes, most recently on September 30, 2026.

What are the property taxes for 21 Colony Ave, Bourne?

The annual property taxes for 21 Colony Ave, Bourne are $5,007 (2026 tax year).

How big is the lot at 21 Colony Ave, Bourne?

21 Colony Ave, Bourne sits on a 0.32-acre (14,070 sq ft) lot.

What is the status of 21 Colony Ave, Bourne?

21 Colony Ave, Bourne is actively listed for sale.

Population

13,267

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

Median Household Income

$88K

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

Renter-Occupied Homes

21.7%

U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)

New Construction Permits — Barnstable County

505 housing units permitted in the last 12 months (-51% vs the prior 12 months) — 123 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 2,451 sq ft principal dwelling). Lot size: 14,070 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: Julie Dateo

Listing Office: William Raveis R.E. & Home Services

MLS® Number: 73559498