OPEN FRI, 4PM TO 6PM

For sale

$749,999

Est. $5,596/mo —

•

920

sq ft

100 Keyes Rd #307, Concord, MA 01742

About this home

Beautifully renovated within the last few years, this bright and spacious one-bedroom, one-bath condo at Milldam Square offers stylish finishes and a thoughtfully designed layout near the heart of downtown Concord. The expansive living and dining area provides ample space for entertaining and everyday living, complemented by a private balcony. The generously sized bedroom features a walk-in closet and convenient bathroom access through the adjoining dressing area. A renovated kitchen, cohesive design, and meticulous condition make this home move-in ready. Two deeded parking spaces (#11 and #22) and storage space add convenience. This professionally managed building features an elevator, community bike storage, and a community lounge. Enjoy proximity to Concord Center’s shops and restaurants, area trails, Walden Pond, local farms, and major commuter routes.

CondoProperty Type

1920Year Built

4.42 acresLot Size

$815Price/Sq.Ft.

$752/moHOA Dues

2 spacesParking

Listed by Louis Gazo • JT Fleming & Company

Listing updated: Nov 5, 2026 at 07:40am

Redfin checked: a few seconds ago

•Source:MLS PIN #73599107

Payment calculator

$5,596 per month

Principal and interest$4,042

Property taxes

HOA dues

Home insurance

Utilities

5 minutes to get started. No credit impact.

Affordability tools

See this home in person

Open houses

Friday, Nov 6

4:00pm - 6:00pm

Saturday, Nov 7

11:30am - 1:00pm

Nearby open houses (10)

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17 Simon Willard, Acton, MA 01720
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3 beds2 baths1,664 sq ft
82 Adams, Lexington, MA 02420
0.39 acre lot • Garage • Built 1957
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3 beds3 baths1,850 sq ft
17 Grove St, Billerica, MA 01821
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1 bed1.5 baths1,205 sq ft
63 Garden Rd Unit C-5, Wellesley, MA 02481
$1,122 HOA • Garage • Built 1986
OPEN SAT, 11AM TO 1PM3D WALKTHROUGH
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4 beds1 bath1,318 sq ft
33 Longwood Ave, Woburn, MA 01801
0.23 acre lot • 2 garage spots • Built 1880
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4 beds4.5 baths3,910 sq ft
30 Pompositticutt St, Stow, MA 01775
1.56 acre lot • 2 garage spots • Pool
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4 Meadowglen Rd, North Billerica, MA 01862
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OPEN SAT, 12PM TO 1:30PM
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1 bed1 bath642 sq ft
19 Robbins St Unit 2-2, Waltham, MA 02453
$350 HOA • Parking • Built 1930
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75 Bartlett Ave #75, Arlington, MA 02476
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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

Market insights

100 Keyes Rd #307 · $749,999

DAYS ON MARKET

The average home goes pending in 42 days.

SALE-TO-LIST

Most homes are selling 1% below list price.

LIST PRICE

Median sale price in this area is $489,555. (35% lower than this home)

PRICE DROP

21% of homes in this area have had a price drop in the past month.

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Dining

Bathrooms
1 full bathroom

Kitchen
Range, dishwasher, refrigerator

Laundry & utility
In-unit laundry
Washer and electric dryer hookups
Washer and dryer included

Flooring
Wood, tile, and engineered hardwood flooring

Heating & cooling
Heat pump heating
Central air conditioning and heat pump cooling

Sale and tax history for 100 Keyes Rd #307

Sale History
Tax History

Date

Event

Price

MLS PIN #73599107

Nov 5, 2026

Listed

$749,999

$815/sq ft

MLS PIN #73078125

Sep 25, 2023

Sold

$535,000

$582/sq ft

Jun 23, 2023

Price Changed

$550,000

$598/sq ft

Jun 9, 2023

Relisted

—

May 3, 2023

Contingent

—

Apr 28, 2023

Price Changed

$565,000

$614/sq ft

Mar 8, 2023

Price Changed

$575,000

$625/sq ft

Feb 10, 2023

Listed

$589,000

$640/sq ft

+27

Welcome to this Sunny, private Top-floor, Large 4 room Condo at elevatored Milldam Square, sited in Historic Concord Center! The Perfect Place to make your Home, write your Stories and Poetry, or Work from Home. Plan is Open with Spacious Living/Dining room & direct access to the full Balcony & double windowed Office. Gleaming wood floors, high ceilings & expansive windows invite the glow of sunlight throughout the day. Enjoy cooking in the fully applianced Kitchen. Large 200+SF Primary Suite features high ceilings, sitting area, window, & walk-in closet with custom built-ins. Updated full Granite BA & In-unit Washer/Dryer. Extra in-bldg. storage, Club Room, plus 2 Deeded Parking Spaces. Sets on 4+ acres of Serene Grounds.Enjoy & explore the 8-block Concord Center Cultural District with Library, Art Centers, & Historic Homes & Sites that make the past come alive, plus Emerson Field, Hunt Gym, Shops, Galleries, Bakeries, Restaurants, Inns,Trails, Rivers, Ponds & the MBTA Commuter Rail.

MLS PIN #72063770

Nov 16, 2016

Sold

$440,000

$478/sq ft

Sep 26, 2016

Pending

—

Sep 7, 2016

Listed

$440,000

$478/sq ft

+10

Modern sunny top floor unit in elevatored building is a must see to appreciate! Kitchen has a bright Tuscan feel,stainless dishwasher and range and solid surface counter tops. Porcelain tile runs from the foyer through the hallway and the kitchen, an easy living surface that helps keep the wide maple wood floors pristine. A generous sized bathroom has been renovated featuring a new toilet, granite surface vanity with modern rectangular basin, a shower/tub subway tile surround with glass mosaic inlay,new fixtures, a water shield glass door,beadboard walls. The master bedroom has high ceilings and is so large one can set up a workout station or a sitting area within the space and not compromise the feel of a grand bedroom. A separate space off the living room area serves well as an office but if desired could accommodate a single bed for guests instead. Washer/dryer included in the unit. Deeded storage & pkg.You will love being right in the heart of downtown Concord. MBTA avail.

MLS PIN #70688455

Mar 14, 2008

Sold

$340,000

$370/sq ft

Jan 22, 2008

Listing Removed

—

Dec 16, 2007

Listed

$359,000

$390/sq ft

MLS PIN #30635202

Sep 30, 2002

Sold

$328,900

$358/sq ft

Sep 9, 2002

Listing Removed

—

Aug 12, 2002

Listed

$329,900

$359/sq ft

Public Records

Dec 1, 1983

Sold

$110,000

$120/sq ft

Year

Property tax

Land + Additions

Assessment*

2026

$8,344 (+11.7%)

$639,400

2025

$7,473 (−7.5%)

$563,600

2024

$8,083 (+22.4%)

$615,600

2023

$6,606 (−6.2%)

$509,700

2022

$7,043 (+15.3%)

$477,200

2021

$6,107 (+6.3%)

$414,900

2020

$5,745 (+1.3%)

$403,700

2019

$5,673 (−1.9%)

$399,800

2018

$5,785 (+1.6%)

$404,800

2017

$5,696 (+20.0%)

$404,800

2016

$4,745 (+6.2%)

$340,900

2015

$4,468 (−4.6%)

$312,700

2014

$4,682 (−1.0%)

$324,000

2013

$4,729 (+5.8%)

$336,100

2012

$4,469 (+1.6%)

$329,100

2011

$4,398 (+4.6%)

$335,700

2010

$4,205 (−0.7%)

$321,200

2009

$4,234

$355,800

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

—

Year renovated

1955

Finished Sq. Ft.

920

Unfinished Sq. Ft.

—

Total Sq. Ft.

920

Year built

1952

Style

Condo/Co-op

County

Middlesex County

APN

794797S

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


307	$749,999	1 bed	1 bath	920 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 #307

$745,469

$4,530 under list price of $750K

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $593K to $1.2M.

SOLD OCT 5, 2026
$593,000 Last sold price
1 bed1.5 baths1,204 sq ft
95 Conant St #408, Concord, MA 01742
$322/sq ft
86 years newer
SOLD OCT 9, 2026
$827,000 Last sold price
2 beds2 baths1,214 sq ft
22 Concord Greene #5, Concord, MA 01742
$134/sq ft
larger lot
57 years newer
SOLD JUN 11, 2026
$725,000 Last sold price
2 beds2 baths1,383 sq ft
152 Chestnut Cir #152, Lincoln, MA 01773
$291/sq ft
54 years newer
SOLD OCT 22, 2026
$1,200,000 Last sold price
2 beds2 baths1,304 sq ft
100 Keyes Rd #304, Concord, MA 01742
$105/sq ft
32 years newer
SOLD MAR 30, 2026
$737,000 Last sold price
2 beds2 baths1,212 sq ft
95 Conant St #320, Concord, MA 01742
$207/sq ft
86 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
$472/sq ft
89 years newer

Rental earnings

Est. $1,595 per month, based on comparable rentals

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Make a winning offer with the help of a local agent

Ask a question

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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

Market insights

Property details

Sale and tax history for 100 Keyes Rd #307

Public record

About this building

Climate risks

Historical weather

Sun exposure

Redfin Estimate for 100 Keyes Rd #307

Early Access listings

Nearby similar homes

New listings for sale in 01742

More real estate resources