OFF MARKET

Off Market May 2003 for $885K

$1,584,259

Est. refi paymentEst. refi $3,324/mo

•

5,000

sq ft

20 Keystone Way, Andover, MA 01810

About this home

Single-familyProperty Type

1990Year Built

1.1 acresLot Size

$317Est. Price/Sq.Ft.

3 garage spacesParking

Listed by Lora Horsley • Prudential Howe & Doherty

Bought with Sue Yuan • Re/max Walden Country, Inc.

Redfin checked: a minute ago

•Source:MLS PIN #30679006

Redfin Estimate

$1,584,259

$699K since sold in May 2003$56K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11.8% lower than the average sale price ($1.80M) of 6 comparable homes.

SOLD JUL 2, 2026
$1,985,000
A
4 beds4 baths5,286 sq ft
28 Hearthstone Pl, Andover, MA 01810
SOLD JUL 15, 2026
$1,450,000
B
4 beds4 baths3,934 sq ft
5 Landau Ln, Andover, MA 01810
SOLD FEB 20, 2026
$1,778,500
C
5 beds4.5 baths5,961 sq ft
4 Hazelwood Cir, Andover, MA 01810
SOLD JUL 15, 2026
$2,400,000
D
4 beds3.5 baths4,800 sq ft
2 Barron Ct, Andover, MA 01810
SOLD MAY 7, 2026
$1,769,000
E
4 beds5 baths6,523 sq ft
6 Hearthstone Pl, Andover, MA 01810
SOLD AUG 31, 2026
$1,400,000
F
5 beds3.5 baths3,149 sq ft
28 Algonquin Ave, Andover, MA 01810

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Sell

$1,270,743

Est. take-home

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Est. cash available

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Rent

$6,240/mo

Redfin rental estimate

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Market trends in 01810, MA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.1%

0.5% MoM

Median sale price

$1.1M

$3K MoM

Avg. days on market

21d

0 days MoM

Recently sold homes

148

43 MoM

New listings for sale

VIDEO TOUR
$499,000
2 beds1 bath1,247 sq ft
40 Chestnut St #3, Andover, MA 01810
OPEN SEP 7, 3PM TO 5PM
$799,900
3 beds1.5 baths1,423 sq ft
74 Chestnut St, Andover, MA 01810
$359,000
1 bed1 bath766 sq ft
12 Maple Ave #3, Andover, MA 01810
$1,195,000
3 beds2 baths3,174 sq ft
50 Holt Rd, Andover, MA 01810
$1,199,000
2 beds2.5 baths3,202 sq ft
4 Bobby Jones #4, Andover, MA 01810
$649,900
2 beds2 baths1,500 sq ft
4 Francis Dr #412, Andover, MA 01810
$359,900
2 beds1 bath995 sq ft
237 North Main St #10, Andover, MA 01810
See all

Provided by Redfin

Sale history for 20 Keystone Way

Year

Property tax

Land + Additions

Assessment*

2023

$16,885 (+4.2%)

$455,700 + $780,400

$1,236,100

2022

$16,206 (+3.9%)

$410,900 + $699,100

$1,110,000

2021

$15,605 (+2.8%)

$373,800 + $646,800

$1,020,600

2020

$15,180 (+1.3%)

$373,800 + $637,500

$1,011,300

2019

$14,983 (+3.5%)

$352,900 + $628,300

$981,200

2018

$14,478 (+3.9%)

$342,900 + $582,800

$925,700

2017

$13,940

$336,400 + $581,900

$918,300

2016

$13,929 (−0.3%)

$353,800 + $586,100

$939,900

2015

$13,972 (+3.5%)

$353,800 + $579,500

$933,300

2014

$13,494 (+4.6%)

$357,900 + $531,000

$888,900

2013

$12,898 (+2.1%)

$357,900 + $531,000

$888,900

2012

$12,629 (+4.1%)

$357,900 + $534,600

$892,500

2011

$12,132 (+2.9%)

$354,800 + $504,400

$859,200

2010

$11,792 (+0.2%)

$365,700 + $528,300

$894,000

2009

$11,771

$365,700 + $602,300

$968,000

Tax history for 20 Keystone Way

Year

Property tax

Land + Additions

Assessment*

2023

$16,885 (+4.2%)

$455,700 + $780,400

$1,236,100

2022

$16,206 (+3.9%)

$410,900 + $699,100

$1,110,000

2021

$15,605 (+2.8%)

$373,800 + $646,800

$1,020,600

2020

$15,180 (+1.3%)

$373,800 + $637,500

$1,011,300

2019

$14,983 (+3.5%)

$352,900 + $628,300

$981,200

2018

$14,478 (+3.9%)

$342,900 + $582,800

$925,700

2017

$13,940

$336,400 + $581,900

$918,300

2016

$13,929 (−0.3%)

$353,800 + $586,100

$939,900

2015

$13,972 (+3.5%)

$353,800 + $579,500

$933,300

2014

$13,494 (+4.6%)

$357,900 + $531,000

$888,900

2013

$12,898 (+2.1%)

$357,900 + $531,000

$888,900

2012

$12,629 (+4.1%)

$357,900 + $534,600

$892,500

2011

$12,132 (+2.9%)

$354,800 + $504,400

$859,200

2010

$11,792 (+0.2%)

$365,700 + $528,300

$894,000

2009

$11,771

$365,700 + $602,300

$968,000

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

Public record

Public record
Zoning

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

1.1 Acres

Year renovated

—

Sq. Ft.

5,918

Year built

1990

Style

Single Family Residential

County

Essex County

APN

1845457

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 20, 2023.

GWPOD

Groundwater Protection Overlay District

The Groundwater Protection Overlay District GWPOD is established for the following purposes: To preserve and protect the groundwater resources in the Zone II of the Tewksbury Hospital water supply wells for the health, safety and general welfare of the residents, staff and visitors to the facility; To preserve and protect potential sources of drinking water supplies from detrimental use and development of land, and to prevent temporary and permanent contamination of the environment in the Town of Andover; This GWPOD does not limit the existing authority of the Conservation Commission pursuant to G.L. c. 131, 40.

Permitted uses

Include but are not limited to:

Agriculture
Greenhouse / nursery
Ranch
Infrastructure
Recreation
Timberland

Property details

Parking

Parking Information
Has Garage
# of Garage Spaces: 3
# of Covered Spaces: 3
Parking Spaces: 10
AttachedGarageYN: Yes
Parking Features: Attached, Tandem

Interior

Master Bedroom Information
Area: 285
Length: 19
Width: 15
Level: Second
Features: Walk-In Closet(s),Window(s) - Bay/Bow/Box

Bedroom #2 Information
Area: 168
Length: 14
Width: 12

Bedroom #3 Information
Area: 256
Length: 16
Width: 16

Bedroom #4 Information
Area: 216
Length: 18
Width: 12

Bedroom #5 Information
Area: 156
Length: 13
Width: 12

Bathroom Information
# of Bathrooms (Full): 4
# of Bathrooms (Half): 2
Master Bathroom Features: Yes

Bathroom #1 Information
Level: First
Features: Bathroom - Half

Bathroom #2 Information
Level: Second
Features: Bathroom - Full

Bathroom #3 Information
Level: Second
Features: Bathroom - Full

Living Room Information
Area: 252
Length: 18
Width: 14
Level: First
Features: Flooring - Hardwood

Family Room Information
Area: 391
Length: 23
Width: 17
Level: First
Features: Ceiling Fan(s)

Dining Room Information
Area: 272
Length: 17
Width: 16
Level: First
Features: Flooring - Hardwood

Kitchen Information
Area: 384
Length: 24
Width: 16
Level: First
Features: Flooring - Stone/Ceramic Tile,Dining Area

Basement Information
Basement: Full, Finished, Garage Access

Laundry Information
Laundry Dimen: 8X5
Laundry Features: First Floor

Fireplace Information
Has Fireplace
# of Fireplaces (Total): 2
Fireplace Features: Family Room, Living Room

Interior Features
# of Rooms (Total): 12
Flooring: Wood, Tile, Carpet, Flooring - Hardwood
Interior Features: Bathroom - Full, Bathroom - Half, Central Vacuum, Wet Bar

Exterior

Building Information
Building Area (Total): 5,000
Foundation Details: Concrete Perimeter
Construction Materials: Frame
Year Built Source: Public Records
Year Built Details: Approximate
Color: LT GREY&BR
Lead Paint: None

Exterior Features
Roof: Shingle
Patio And Porch Features: Porch, Deck
Exterior Features: Porch, Deck, Sprinkler System

Property Information
PropertySubType: Single Family Residence
Security Features: Security System

Lot Information
Lot Size (Acres): 1.09
Lot Features: Cul-De-Sac, Wooded
Road Surface Type: Paved
Road Frontage Type: Public
Road Responsibility: Public Maintained Road

Financial

Tax Information
Tax Annual Amount: $9,775
Tax Year: 2003

Utilities

Utility Information
Sewer: Private Sewer, Private Sewerage
Water Source: Public, City/Town Water
Electric: Circuit Breakers, 200+ Amp Service

Heating & Cooling
Has Heating
Has Cooling
Heating: Forced Air, Electric Baseboard, Natural Gas
Cooling: Central Air

Location

Location Information
Directions: DASCOMB TO OSGOOD TO KEYSTONE
UnparsedAddress: 20 Keystone Way, Andover MA 01810

Community Information
Senior CommunityYN: No

Public facts

Beds: 5
Baths: 4.0
Sq. Ft.: 5,918
Stories: 2.0
Lot Size: 1.1 acres
Style: Single Family Residential
Year Built: 1990
Year Renovated: —
County: Essex County
APN: 1845457

Home facts updated by county records on Jul 20, 2023

Other

Miscellaneous Information
Heat Zones: 4

Listing Information
Exclusions: Foyer & Kit Chandeliers,Movie Proj & Scr
StandardStatus: Closed

Around this home

Schools

Henry C Sanborn Elementary School

Public K-5 • Assigned • 1.0mi

8/10

Andover West Middle School

Public 6-8 • Assigned • 2.7mi

8/10

Andover High School

Public 9-12 • Assigned • 2.5mi

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 98° expected this year, 15 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Andover, MA • 01810

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 9.1 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

9.1 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.51M – $1.82M

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Home values near 20 Keystone Way

Data from public records.

Address	Redfin Estimate
4 Keystone Way, Andover, MA 4 Beds \| 2.5 Baths \| 3434 Sq. Ft.	$1,314,686
7 Keystone Way, Andover, MA 5 Beds \| 5 Baths \| 4320 Sq. Ft.	$1,621,313

Address	Redfin Estimate
6 Keystone Way, Andover, MA 5 Beds \| 4 Baths \| 5008 Sq. Ft.	$1,571,254
5 Keystone Way, Andover, MA 4 Beds \| 2.5 Baths \| 3402 Sq. Ft.	$1,424,945

Address	Redfin Estimate
8 Keystone Way, Andover, MA 3 Beds \| 3.5 Baths \| 5520 Sq. Ft.	$1,576,911
1 Keystone Way, Andover, MA 4 Beds \| 3 Baths \| 4091 Sq. Ft.	$1,480,768

Property information provided by MLS PIN when last listed in 2003. This data may not match . Learn more.

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