21 William Street Andover, MA ^$ 1,299,000

21 William Street

^$ 1,299,000

Back to search

Recently Listed

Open House 6/27 12pm - 3pm

21 William Street

Andover, MA, 01810

^$ 1,299,000

Bedrooms5 Baths2.1 Sq 3,451

Monthly Estimate*

^$ 8,202

21 William Street, Andover, MA 01810 - Image 1

21 William Street, Andover, MA 01810 - Image 2

21 William Street, Andover, MA 01810 - Image 3

21 William Street, Andover, MA 01810 - Image 4

21 William Street, Andover, MA 01810 - Image 5

21 William Street, Andover, MA 01810 - Image 6

21 William Street, Andover, MA 01810 - Image 7

21 William Street, Andover, MA 01810 - Image 8

21 William Street, Andover, MA 01810 - Image 9

21 William Street, Andover, MA 01810 - Image 10

21 William Street, Andover, MA 01810 - Image 11

21 William Street, Andover, MA 01810 - Image 12

21 William Street, Andover, MA 01810 - Image 13

21 William Street, Andover, MA 01810 - Image 14

21 William Street, Andover, MA 01810 - Image 15

21 William Street, Andover, MA 01810 - Image 16

21 William Street, Andover, MA 01810 - Image 17

21 William Street, Andover, MA 01810 - Image 18

21 William Street, Andover, MA 01810 - Image 19

21 William Street, Andover, MA 01810 - Image 20

21 William Street, Andover, MA 01810 - Image 21

21 William Street, Andover, MA 01810 - Image 22

21 William Street, Andover, MA 01810 - Image 23

21 William Street, Andover, MA 01810 - Image 24

21 William Street, Andover, MA 01810 - Image 25

21 William Street, Andover, MA 01810 - Image 26

21 William Street, Andover, MA 01810 - Image 27

21 William Street, Andover, MA 01810 - Image 28

21 William Street, Andover, MA 01810 - Image 29

21 William Street, Andover, MA 01810 - Image 30

21 William Street, Andover, MA 01810 - Image 31

21 William Street, Andover, MA 01810 - Image 32

21 William Street, Andover, MA 01810 - Image 33

21 William Street, Andover, MA 01810 - Image 34

21 William Street, Andover, MA 01810 - Image 35

21 William Street, Andover, MA 01810 - Image 36

21 William Street, Andover, MA 01810 - Image 37

21 William Street, Andover, MA 01810 - Image 38

21 William Street, Andover, MA 01810 - Image 39

21 William Street, Andover, MA 01810 - Image 40

Single Family Home for sale in Andover, MA

for $1,299,000 with 5 bedrooms and 2 full baths, 1 half bath. This 3,451 square foot home was built in 1920 on a lot size of 0.28.

If there was an award for the prettiest street in Andover, William Street would take top prize! This special neighborhood known as the "Brick Shawsheen" has beautiful brick homes, a long charming cul de sac street, with sidewalks on both sides, gas lanterns, & friendly neighbors out & about. Love older homes? What you will love here. 1. Amazing curb appeal, full brick home with slate roof. 2. Step inside the foyer, you won't know where to look first, class, charm & grace is everywhere. 3 There are 2 fireplaces, wood burning in the living room & gas (converted from wood) in family room. 4. A perfect floor plan for entertaining, includes a 4 season sunroom, with access to a private patio off the sunroom & family room. 5. There's a 5th bedroom or bonus room with private full bath on the 3rd floor. There's an oversized 2 car detached garage, a brand new 200 amp electrical service, a new boiler, & so much more! An unhurried lifestyle, it feels like the good old days are back. Pure delight!

Open House

6/27/2026 12:00 PM - 3:00 PM

6/28/2026 12:00 PM - 3:00 PM

21 William Street Andover, MA

* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

^$ 1,299,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 14,941

Style

Colonial

Lot Size

0.28

Year Built

1920

Town/City

Andover

County/Region

Essex

MLS | Web ID

73540061

List By

Carla Burns

Listing Agent

Coldwell Banker Realty - Andovers/Readings Regional

Broker

Affordability Calculator

$9,447

Per Month

Monthly Principal & Interest: $8,202
Monthly Property Taxes: $1,245
Monthly Home Insurance: --

Set your offer price

Down Payment

Loan Term

Interest Rate

Yearly Property Taxes

Yearly Home Insurance

Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Learn more about how to save

Discover how much house you can afford

Your dream home may be within reach.

Learn More about how to save

THE TIME TO SELL IS NOW! What's my home worth?

Nearby

Trends

Single family listings in Andover, MA

Average List Price ^$1,673,591

Percent of Sale Price 29%

About Andover, MA

35,854 Population

15% Since 2002

^$137,047 Median Income

44.83 Median Age

38% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

Neighborhood & Schools

MLS Property Information Network, Inc rules require that you sign in here to see more detail on this property.

Pricing History

Date	Price	Price Change	Description
6/23/2026	$1,299,000		Listed Price

Map

More homes like this one

homes for you

See all

21 William Street, Andover, MA, 01810 is a Single Family Home for sale at $1,299,000 with 3,451 sqft and a lot size of 0.28. 21 William Street has 5 bedrooms, 2.1 baths, and was built in 1920. The property's zip code is 01810 which is in Andover, MA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Data is updated as of 6/24/2026.

The real estate information and related content displayed on this site is provided for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

*Full Name

*Email

*Phone

I am interested in financing options

Get more info

By submitting the form, you agree that Weichert^® may contact you via phone or text about your inquiry, which may involve the use of automated means. You are not required to consent as a condition of purchasing any property, goods or services. For any other information please read our privacy policy.

Get more info

Looking for an Associate?

Already Working with an Associate?

21 William Street

Single Family Home for sale in Andover, MA

Open House

Affordability Calculator

Neighborhood & Schools

Map

More homes like this one

Get more info about this home