OPEN SUN, 12:30PM TO 2PM

For sale

$825,000

Est. $6,691/mo —

•

1,304

sq ft

100 Keyes Rd #304, Concord, MA 01742

About this home

Prime location at Milldam Square! This spacious third-floor corner residence offers 2 bedrooms, 2 full baths and an open, light-filled floor plan with high ceilings, walls of windows and beautiful treetop views. The living and dining area opens directly to a private balcony, creating a wonderful setting for relaxing or entertaining.Freshly painted in 2026 with new LVP flooring and a new range, the unit offers comfortable single-level living with a well-proportioned kitchen featuring a window for natural light, a spacious primary suite, and a generous second bedroom ideal for guests, a home office or den. A second full bath and in-unit laundry add everyday convenience.Milldam Square offers elevator access, a spacious club room with kitchen, outdoor common area and patio with grill, professional management, additional dedicated storage, and two deeded parking spaces.Enjoy an exceptional Concord Center location just a short stroll to restaurants, shops, cultural and historic destinations, conservation trails and the commuter rail to Boston. An appealing combination of space, beautiful treetop views, convenience and low-maintenance living in the heart of historic Concord.

CondoProperty Type

1952Year Built

4.42 acresLot Size

$633Price/Sq.Ft.

$1,150/moHOA Dues

2 spacesParking

Listed by Peggy Dowcett • Coldwell Banker Realty - Concord

Listing updated: Oct 2, 2026 at 03:32am

Redfin checked: 2 minutes ago

•Source:MLS PIN #73585082

Payment calculator

$6,691 per month

Principal and interest$4,615

Property taxes

HOA dues

Home insurance

Utilities

5 minutes to get started. No credit impact.

Affordability tools

See this home in person

Open houses

Sunday, Oct 4

12:30pm - 2:00pm

Nearby open houses (10)

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Around this home

Schools

K - 12
Preschool & daycare

Alcott Elementary School

Public PreK-5 • Assigned • 0.7mi

9/10

Concord Middle School

Public 6-8 • Assigned • 2.6mi

8/10

Concord Carlisle High School

Public 9-12 • Assigned • 1.0mi

10/10

Provided by GreatSchools

About Main Street Historic

District

Main Street Historic District, located between Monument Square and the Old North Bridge, is a historic and walkable Concord neighborhood with Federal-era streetscapes and a museum-rich downtown edge. The neighborhood’s character concentrates around Main Street at Walden Street, where brick storefronts, independent galleries, and sidewalk cafés set a steady daytime rhythm. Architectural details read like a timeline—Colonial and Georgian homes, civic buildings, and preserved facades along tree-lined blocks. Concord Museum anchors local history with rotating exhibitions and a strong sense of place. The Umbrella Arts Center adds studios, performances, and a creative pulse near the commercial core. Small greens and the Mill Brook corridor soften the streets with pocket views of water and stonework.

Provided by Walk Score and Local Logic

Offer insights

100 Keyes Rd #304 · $825,000

Strong offer

$839K and above

75% chance or better to win

Why $839K+ is a strong offer

DAYS ON MARKET

The average home goes pending in 43 days.

SALE-TO-LIST

Most homes are selling 1% below list price.

About offer insights

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Interior features
Internet available (status unknown)
Total of 5 rooms

Bedrooms
Primary bedroom located on the third floor
Second bedroom located on the third floor

Bathrooms
2 full bathrooms
Primary bathroom included

Kitchen
Range
Dishwasher
Refrigerator

Laundry & utility
In-unit laundry on the third floor
Washer hookup
Electric dryer hookup

Flooring
Tile flooring

Heating & cooling
Forced air electric heating
Central air conditioning

Sale and tax history for 100 Keyes Rd #304

Sale History
Tax History

Year

Property tax

Land + Additions

Assessment*

2026

$9,797 (+11.6%)

$750,700

2025

$8,779 (−7.6%)

$662,100

2024

$9,498 (+1.3%)

$723,400

2023

$9,373 (−6.3%)

$723,200

2022

$10,001 (+15.3%)

$677,600

2021

$8,674 (+6.3%)

$589,300

2020

$8,159 (+1.2%)

$573,400

2019

$8,060 (+5.0%)

$568,000

2018

$7,674 (+1.6%)

$537,000

2017

$7,556 (+20.0%)

$537,000

2016

$6,299 (+4.0%)

$452,500

2015

$6,055 (−4.8%)

$423,700

2014

$6,361 (−1.0%)

$440,200

2013

$6,426 (−2.8%)

$456,700

2012

$6,611 (+1.6%)

$486,800

2011

$6,504 (+4.6%)

$496,500

2010

$6,219 (−0.5%)

$475,100

2009

$6,251

$525,300

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

—

Year renovated

1955

Finished Sq. Ft.

1,304

Unfinished Sq. Ft.

—

Total Sq. Ft.

1,304

Year built

1952

Style

Condo/Co-op

County

Middlesex County

APN

953640S

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 10, 2026.

About this building

1 for sale

100 Keyes Rd, Concord, MA 01742

See photos & sale trends

Photo via 100 Keyes Rd #307

Units for sale


304	$825,000	2 beds	2 baths	1304 sq ft

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

5/10 Heat Factor

7 days above 97° expected this year, 15 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

2/10 Air Factor

1 unhealthy days expected this year, 1 days in 30 years

Provided by First Street

Historical weather

Concord, MA • 01742

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 9 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

9 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Redfin Estimate for 100 Keyes Rd #304

$823,504

$1,496 under list price of $825K

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $512K to $755K.

SOLD JUN 11, 2026
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54 years newer
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2 beds2 baths1,520 sq ft
5 Birchwood Ln #5, Lincoln, MA 01773
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27 years newer
SOLD JUN 9, 2026
$755,000 Last sold price
2 beds2.5 baths2,200 sq ft
18 Ellsworth Village Rd #18, Acton, MA 01720
$290/sq ft
57 years newer
SOLD JUL 24, 2026
$512,000 Last sold price
2 beds2.5 baths1,128 sq ft
128 Parker St Unit 2C, Acton, MA 01720
$179/sq ft
37 years newer
SOLD MAY 21, 2026
$610,000 Last sold price
3 beds1.5 baths1,332 sq ft
36 Indian Camp Ln Unit D, Lincoln, MA 01773
$175/sq ft
37 years newer

Rental earnings

Est. $2,384 per month, based on comparable rentals

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Early Access listings

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Details provided by MLS PIN and may not match the public record. Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Payment calculator

Affordability tools

See this home in person

Nearby open houses (10)

Around this home

Schools

Offer insights

Property details

Sale and tax history for 100 Keyes Rd #304

Public record

About this building

Climate risks

Historical weather

Sun exposure

Redfin Estimate for 100 Keyes Rd #304

Early Access listings

Nearby similar homes

New listings for sale in 01742

More real estate resources