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21 Keystone Way, Andover MA 01810

Andover, MA 01810 • Hearthstone Estates
$1,650,000
Est. $8,782/month
4
Beds
4.5
Baths
5,969
Sq Ft
$276
Price/Sq Ft
1.02
Acres
1991
Year Built
Single Family Residence
Type
15
Days on Market
Closed Listed Sep 29, 2025 • MLS# 73217345

About this home

Exceptional opportunity to enjoy life! Custom built & improved to pamper you. Covered porch & front door open to 2 story soaring entry hall. The pinnacle of everyday enjoyment, 2 story sun-drenched family rm w wonderful windows at 1st & 2nd level, stone fireplace wall & builtins. All the family and friends will enjoy a chef-style kitchen w10' island, casual dining and move easily to new composite 2 tiered deck and choice private backyard oasis. Vaulted main BR suite w custom closet builtins. renovated bath, dressing rm. Wood flrs, stacked moldings, guest bedroom en-suite, upgraded bath fixtures, impeccable maintenance.1700 sf daylit lower level w 1/2 bath, incl exercise & office. Prime level lot, 8' fence at rear yard, space for active family activities, sports, BBQs & birthday celebrations. Inground heated pool just overhauled incl gunite, decking, tile & equipment. End of cul-de-sac incredibly convenient to main routes, short distance to Andover downtown. Details will not disappoint.

Sale Statistics

Sale Overview
Original List Price: $1,695,000
Final Sale Price: $1,650,000
Difference: $45,000 (-2.7%)
Performance Metrics
97.3%
List to Sale Ratio
Sold below asking price
15
Days on Market
Quick sale
Price per Square Foot Analysis
Original $/sq ft: $284
Sale $/sq ft: $276
This property sold for $276 per square foot
Sale Summary

This property sold for 2.7% below the original asking price.

With only 15 days on market, this was a quick sale compared to typical market conditions.

Facts & Features

Property Overview

Property Type
Single Family Residence
Property Category
Residential
Year Built
1991
Bedrooms
4
Full Bathrooms
3
Half Bathrooms
3
Living Area
5,969 sq ft
Total Rooms
12

Interior Features

Flooring
Tile, Carpet, Hardwood, Flooring - Stone/Ceramic Tile, Flooring - Hardwood, Flooring - Wall to Wall Carpet
Heating
Forced Air, Natural Gas, Ductless
Has Heating
Yes
Cooling
Central Air, 3 or More, Ductless
Has Cooling
Yes
Fireplace Features
Dining Room, Family Room, Living Room
Has Fireplace
Yes
Number of Fireplaces
2
Appliances
Gas Water Heater, Water Heater, Oven, Dishwasher, Trash Compactor, Microwave, Range, Refrigerator, Washer, Dryer, Vacuum System, Range Hood, Plumbed For Ice Maker
Interior Features
Bathroom - Half, Bathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - Tiled With Shower Stall, Closet/Cabinets - Custom Built, Countertops - Stone/Granite/Solid, Cabinets - Upgraded, Double Vanity, Lighting - Sconce, Soaking Tub, Bathroom - With Tub & Shower, Vaulted Ceiling(s), Open Floorplan, Lighting - Overhead, Bathroom, Study, Foyer, Game Room, Central Vacuum, High Speed Internet, Other
Laundry Features
Electric Dryer Hookup, Washer Hookup, First Floor
Basement Details
Full, Finished, Garage Access, Bulkhead
Window Features
Window(s) - Bay/Bow/Box, Insulated Windows, Screens
Door Features
Insulated Doors, French Doors
Accessibility Features
No

Exterior & Structure

Construction Materials
Frame
Architectural Style
Colonial
Roof
Shingle, Asphalt/Composition Shingles
Foundation
Concrete Perimeter
Exterior Features
Porch, Deck - Composite, Patio, Pool - Inground Heated, Storage, Professional Landscaping, Sprinkler System, Decorative Lighting, Screens, Fenced Yard, Garden
Patio/Porch Features
Porch, Deck - Composite, Patio
Fencing
Fenced/Enclosed, Fenced
Has Spa
No
Pool Features
Pool - Inground Heated
Private Pool
Yes
Waterfront Property
No

Lot & Land

Lot Size
1.02 acres
Lot Size
44,257 sq ft
Lot Size Area
1.0200
Lot Features
Cul-De-Sac, Level
Frontage Length
59 ft
Road Frontage Type
Public

Parking & Garage

Garage Spaces
2
Has Garage
Yes
Attached Garage
Yes
Has Carport
No
Total Non-Garage Parking Spaces
5
Parking Features
Attached, Garage Door Opener, Storage, Workshop in Garage, Garage Faces Side, Oversized, Paved Drive, Driveway
Covered Parking Spaces
2

Utilities & Systems

Utilities Available
for Gas Range, for Electric Oven, for Electric Dryer, Washer Hookup, Icemaker Connection
Water Source
Public
Sewer
Private Sewer
Electric
Circuit Breakers, 200+ Amp Service
Security Features
Security System

Community & HOA

Subdivision
Hearthstone Estates
Community Features
Shopping, Walk/Jog Trails, Highway Access
HOA
No
Senior Community
No

Financial & Tax Information

Annual Tax Amount
$17,151
Tax Year
2023
Tax Assessed Value
$1,255,600
Parcel Number
M:00202 B:00013 L:00000,1845459
Zoning
SRC

Additional Details

Year Built Source
Public Records
Year Built Details
Actual,Renovated Since
Attached Property
No
Disclosures
4 units HVAC. Lengthy list of updates. Windows rear of house NEWER Andersen. 2 tier composite deck w lighted storage below. 3rd bay of garage converted to mudroom entry and stairs to basement & 1st floor Pool overhauled w resurfaced gunite, tile, deck, pump and filter, and pool heater.

Location

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Neighborhood

Hearthstone Estates

21 Keystone Way, Andover MA 01810

Andover, MA 01810

Walkability

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Schools

Elementary School
Sanborn
Rating information coming soon
Middle School
West Middle
Rating information coming soon
High School
Ahs
Rating information coming soon

Monthly Payment Calculator

%
%
Estimated Monthly Payment $0

Payment Breakdown

Principal & Interest $0
Property Tax $1,429
Homeowners Insurance $200
PMI $0

Property History

Market Insights

2.7%
Price Range
16
Total Days on Market

Property Timeline

✓
Sold
May 23, 2024
$1,650,000
Property sold
Days on Market: 16
🏠
Listed for Sale
Apr 2, 2024
$1,695,000
Original listing
Agent: Susan Sells Team Office: Keller Williams Realty

Price & Status History

Date Event Price Change
Apr 2, 2024 New Listing Added $1,695,000 —

Market Statistics

Days on Market
15 days
Price per Sq Ft
$276

Tax History

Year Taxes Assessment
2023 $17,151 $1,255,600

Financial Details

Annual Property Tax
$17,151
Tax Year 2023
Assessed Value
$1,255,600

Listing Information

Listing Agent Susan Sells Team
Listing Office Keller Williams Realty
Agent MLS ID TM009560
Office MLS ID G95022

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