OFF MARKET

Off Market Jun 2025 for $835K

$821,187

Est. refi paymentEst. refi $4,191/mo

•

1,475

sq ft

100 Keyes Rd #305, Concord, MA 01742

About this home

Spacious open floor plan with elegant high ceilings are the hallmarks of this updated 2-Bedroom Milldam Square Penthouse. Here on Keyes Road, enjoy single-level living simplicity, large enough for all your treasures, yet tidy and manageable for a new-found carefree lifestyle. Entertain your guests from the private and sunny tree-top balcony or just a quick elevator ride downstairs to the large common room or outdoor patio with grill. Abundant interior storage space available plus large, dedicated storage cage with easy access. Walk to everything from this highly sought after enclave, only a short stroll to restaurants, shops, community theater, historical sites, nature trails and the commuter rail to Boston. Enjoy the natural beauty and lifestyle of living in Historic Concord. Home Sweet Home!

CondoProperty Type

1952Year Built

4.42 acresLot Size

$557Est. Price/Sq.Ft.

2 spacesParking

Listed by KC Winslow • Barrett Sotheby's International Realty

Bought with Senkler, Pasley & Whitney • Coldwell Banker Realty - Concord

Redfin checked: a minute ago

•Source:MLS PIN #73367474

Redfin Estimate

$821,187

$14K since sold in June 2025$32K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 7% higher than the average sale price ($768K) of 6 comparable homes.

SOLD BY REDFIN APR 30, 2026
$505,000
A
2 beds1.5 baths1,477 sq ft
55 Staffordshire Ln Unit B, Concord, MA 01742
SOLD APR 8, 2026
$727,000
B
2 beds1.5 baths1,430 sq ft
16 Concord Greene #5, Concord, MA 01742
SOLD SEP 18, 2025
$951,000
C
2 beds2 baths1,300 sq ft
100 Keyes Rd #223, Concord, MA 01742
SOLD JUN 18, 2026
$1,095,000
D
2 beds1.5 baths1,374 sq ft
34 Thoreau St #34, Concord, MA 01742
SOLD JUN 11, 2026
$725,000
E
2 beds2 baths1,383 sq ft
152 Chestnut Cir #152, Lincoln, MA 01773
SOLD MAY 27, 2026
$602,000
F
2 beds2 baths1,084 sq ft
29 Concord Greene #4, Concord, MA 01742

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Earn from this home

Sell

$124,489

Est. take-home

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Refinance

Est. cash available

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Rent

$2,294/mo

Redfin rental estimate

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Market trends in 01742, MA

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.1%

1.0% MoM

Median sale price

$1.7M

$20K MoM

Avg. days on market

26d

7 days MoM

Recently sold homes

6 MoM

New listings for sale

OPEN SAT, 11:30AM TO 1PM
$710,000
2 beds2 baths1,214 sq ft
22 Concord Greene #5, Concord, MA 01742
OPEN SUN, 1PM TO 3PM
$1,990,000
4 beds4 baths4,055 sq ft
40 Brigham Woods, Concord, MA 01742
OPEN SAT, 12PM TO 1:30PM
$1,400,000
5 beds3 baths3,707 sq ft
12 White Ave, Concord, MA 01742
HOT HOME
$1,135,000
4 beds2.5 baths2,790 sq ft
221 Pope Rd, Acton, MA 01720
$935,000
4 beds2.5 baths1,849 sq ft
155 Belknap St, Concord, MA 01742
See all

Provided by Redfin

Sale history for 100 Keyes Rd #305

Date

Event

Price

MLS PIN #73367474

Jun 30, 2025

Sold

$835,000

$566/sq ft

May 12, 2025

Contingent

—

Apr 30, 2025

Listed

$849,900

$576/sq ft

MLS PIN #73214425

May 22, 2024

Sold

$820,000

$556/sq ft

Mar 26, 2024

Contingent

—

Mar 20, 2024

Listed

$798,000

$541/sq ft

+15

A CONCORD CENTER GEM! One of Milldam's larger condos with high ceilings and quality renovations, this spacious home is a right sizer's dream come true. Upper level and centrally located! The main living space is open – stunning with hardwood floors, a chic accent wall and private balcony access! This fully renovated home offers an office that is tucked away and private, making a terrific secluded zone to focus on work or creative endeavors! The kitchen is updated and features stainless steel appliances and stone countertops! Updated one and a half baths!! Both bedrooms offer natural light through the wall of windows and have high ceilings. In unit laundry!! This location is second to none! Enjoy living in our active town center - a walkable lifestyle I assure you! A variety of shops and restaurants awaits. Enjoy the North Bridge as well as hiking trails near the center of town! This location cannot be beat!

Public Records

Apr 1, 2022

Sold

$670,000

$454/sq ft

MLS PIN #71819076

May 29, 2015

Sold

$625,000

$424/sq ft

Apr 19, 2015

Pending

—

Apr 16, 2015

Listed

$625,000

$424/sq ft

+18

Nestled in the heart of Concord Center is this wonderful one level two bed condo in Milldam Square complex. Pristine unit with bright open living/dining area with sliding door to private 12' x 4' balcony overlooking courtyard. Upgraded Kitchen, huge storage closet off living area, full bath and half bath, in-unit laundry, plenty of closets. Assigned parking spaces #53 & #54. Common areas include ground floor storage & sitting room, plus an inviting second floor sitting area with arched window overlooking courtyard. All the conveniences of a condo lifestyle, with easy access to this vibrant town's shopping, restaurants, art centers, historic museum, and Emerson Playground with public swimming pool, tennis courts, sports fields & basketball. Close to commuter rail station and highway to Cambridge and Boston. Don't miss this rare offering.

Public Records

Jul 24, 2008

Sold

$500,000

$339/sq ft

MLS PIN #70723590

Jul 24, 2008

Listing Removed

—

Jul 24, 2008

Sold

$500,000

$339/sq ft

Jun 24, 2008

Contingent

—

May 15, 2008

Price Changed

$529,000

$359/sq ft

May 15, 2008

Relisted

—

May 14, 2008

Listing Removed

—

Mar 8, 2008

Listed

$518,000

$351/sq ft

Public Records

Dec 1, 1992

Sold

$200,000

$136/sq ft

Year

Property tax

Land + Additions

Assessment*

2026

$10,299 (+11.6%)

$789,200

2025

$9,225 (−7.6%)

$695,700

2024

$9,979 (−5.9%)

$760,000

2023

$10,605 (−6.3%)

$818,300

2022

$11,315 (+15.3%)

$766,600

2021

$9,814 (+6.3%)

$666,700

2020

$9,231 (+1.2%)

$648,700

2019

$9,118 (−2.0%)

$642,600

2018

$9,303 (+1.6%)

$651,000

2017

$9,160 (+20.0%)

$651,000

2016

$7,634 (+4.0%)

$548,400

2015

$7,338 (−4.9%)

$513,500

2014

$7,715 (−1.0%)

$533,900

2013

$7,793 (+4.4%)

$553,900

2012

$7,465 (+1.6%)

$549,700

2011

$7,345 (+6.2%)

$560,700

2010

$6,913 (−0.7%)

$528,100

2009

$6,959

$584,800

Tax history for 100 Keyes Rd #305

Year

Property tax

Land + Additions

Assessment*

2026

$10,299 (+11.6%)

$789,200

2025

$9,225 (−7.6%)

$695,700

2024

$9,979 (−5.9%)

$760,000

2023

$10,605 (−6.3%)

$818,300

2022

$11,315 (+15.3%)

$766,600

2021

$9,814 (+6.3%)

$666,700

2020

$9,231 (+1.2%)

$648,700

2019

$9,118 (−2.0%)

$642,600

2018

$9,303 (+1.6%)

$651,000

2017

$9,160 (+20.0%)

$651,000

2016

$7,634 (+4.0%)

$548,400

2015

$7,338 (−4.9%)

$513,500

2014

$7,715 (−1.0%)

$533,900

2013

$7,793 (+4.4%)

$553,900

2012

$7,465 (+1.6%)

$549,700

2011

$7,345 (+6.2%)

$560,700

2010

$6,913 (−0.7%)

$528,100

2009

$6,959

$584,800

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

Baths

1.5

Stories

Lot width

—

Lot depth

—

Lot size

—

Year renovated

1955

Sq. Ft.

1,475

Year built

1952

Style

Condo/Co-op

County

Middlesex County

APN

954226S

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 29, 2026.

Property details

Parking

Parking Information
Parking Spaces: 2
Parking Features: Off Street, Assigned

Interior

Bedroom Information
Main Level Bedrooms: 2

Master Bedroom Information
Area: 276
Length: 23
Width: 12
Level: Main,First
Features: Walk-In Closet(s),Flooring - Hardwood,Window(s) - Picture

Bedroom #2 Information
Area: 240
Length: 20
Width: 12
Level: Main,First
Features: Closet,Flooring - Hardwood,Window(s) - Picture

Bathroom Information
# of Bathrooms (Full): 1
# of Bathrooms (Half): 1

Bathroom #1 Information
Level: First
Features: Bathroom - Full,Flooring - Stone/Ceramic Tile

Bathroom #2 Information
Level: First
Features: Bathroom - Half,Flooring - Hardwood

Living Room Information
Area: 247
Length: 19
Width: 13
Level: Main,First
Features: Flooring - Hardwood,Balcony / Deck,Open Floorplan,Recessed Lighting,Slider

Dining Room Information
Area: 220
Length: 20
Width: 11
Level: Main,First
Features: Flooring - Hardwood,Balcony / Deck,Open Floorplan,Recessed Lighting,Slider

Kitchen Information
Area: 100
Length: 10
Width: 10
Level: First
Features: Flooring - Hardwood,Countertops - Stone/Granite/Solid,Cabinets - Upgraded,Recessed Lighting,Remodeled

Basement Information
Basement: N

Laundry Information
Laundry Features: Main Level, Electric Dryer Hookup, Washer Hookup, First Floor, In Unit

Interior Features
# of Rooms (Total): 6
Flooring: Tile, Hardwood, Flooring - Hardwood
Interior Features: Study

Exterior

Building Information
Building Name: Milldam Square
Building Area (Total): 1,475
StructureType: Mid-Rise
Stories (Total): 1
Year Built Source: Public Records
Year Built Details: Actual

Exterior Features
Exterior Features: Balcony, Decorative Lighting, Professional Landscaping

Property Information
Accessibility Features: Accessible Entrance
PropertySubType: Condominium
Property AttachedYN: Yes
Common Walls: No One Above
Entry Level: 3

Lot Information
Lot Size (Acres): 4.42

Financial

Tax Information
Tax Annual Amount: $9,225
Tax Year: 2025

Utilities

Utility Information
Utilities: for Electric Range, for Electric Oven, for Electric Dryer, Washer Hookup
Sewer: Public Sewer
Water Source: Public

Heating & Cooling
Has Heating
Has Cooling
Heating: Forced Air, Electric
Cooling: Central Air

Location

HOA Information
Association Fee: $1,090
Association Fee Frequency: Monthly
Association Fee Includes: Gas, Water, Sewer, Insurance, Maintenance Structure, Road Maintenance, Maintenance Grounds, Snow Removal, Trash, Reserve Funds
Association Amenities: Hot Water, Elevator(s), Clubroom, Storage

Location Information
Directions: From Main Street Concord Center to Keyes Road. Visitor parking located at Main (rear) entrance.
UnparsedAddress: 100 Keyes Rd # 305, Concord MA 01742

Community Information
Senior CommunityYN: No
Community Features: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Stable(s), Golf, Medical Facility, Bike Path, Conservation Area, Private School
Pets Allowed: Yes w/ Restrictions

Public facts

Beds: 2
Baths: 1.5
Sq. Ft.: 1,475
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1952
Year Renovated: 1955
County: Middlesex County
APN: 954226S

Home facts updated by county records on Jul 29, 2026

Other

Miscellaneous Information
Heat Zones: 1

Listing Information
Exclusions: None
StandardStatus: Closed

About this building

No units for sale

100 Keyes Rd, Concord, MA 01742

See photos & sale trends

Photo via 100 Keyes Rd #307

Units for sale

Unit Information Not Available

There aren't any units for sale in this building.

Around this home

Schools

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

Lifestyle

Provided by Walk Score and Local Logic

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

Estimated sale price

$781,000 – $945,000

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New listings for sale in 01742

OPEN SAT, 11:30AM TO 1PM

$710,000

2 beds2 baths1,214 sq ft

22 Concord Greene #5, Concord, MA 01742

OPEN SUN, 1PM TO 3PM

$1,990,000

4 beds4 baths4,055 sq ft

40 Brigham Woods, Concord, MA 01742

OPEN SAT, 12PM TO 1:30PM

$1,400,000

5 beds3 baths3,707 sq ft

12 White Ave, Concord, MA 01742

HOT HOME

$1,135,000

4 beds2.5 baths2,790 sq ft

221 Pope Rd, Acton, MA 01720

$935,000

4 beds2.5 baths1,849 sq ft

155 Belknap St, Concord, MA 01742

Home values near 100 Keyes Rd #305

Data from public records.

Address	Redfin Estimate
100 Keyes Road #106, Concord, MA 2 Beds \| 2 Baths \| 1136 Sq. Ft.	$758,365
100 Keyes Road #205, Concord, MA 2 Beds \| 1 Baths \| 1516 Sq. Ft.	$847,010

Address	Redfin Estimate
100 Keyes Road #108, Concord, MA 2 Beds \| 2 Baths \| 1145 Sq. Ft.	$779,008
100 Keyes Road #206, Concord, MA 2 Beds \| 2 Baths \| 1135 Sq. Ft.	$805,906

Address	Redfin Estimate
100 Keyes Road #133, Concord, MA 2 Beds \| 2 Baths \| 1466 Sq. Ft.	$889,972
100 Keyes Road #211, Concord, MA 1 Beds \| 1.5 Baths \| 1146 Sq. Ft.	$665,804

Property information provided by MLS PIN when last listed in 2025. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 01742, MA

Sale history for 100 Keyes Rd #305

Tax history for 100 Keyes Rd #305

Public record

Property details

About this building

Unit Information Not Available

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 01742

Home values near 100 Keyes Rd #305

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