21 William Street, Andover, MA 01810
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$1,299,000
5 Beds
3 Baths
3451 SQFT
0.28 Acre
HOA: N/A

Property Description

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!

Property Details tap to expand

Amenities

  • Highway Access
  • Park

Kitchen, Dining, and Appliances

  • Kitchen Dimensions: 13X16
  • Kitchen Level: First Floor
  • Bathroom - Half, Breakfast Bar / Nook, Ceiling - Beamed, Closet/Cabinets - Custom Built, Countertops - Stone/Granite/Solid, Recessed Lighting, Stainless Steel Appliances
  • Dishwasher, Range, Refrigerator, Wall Oven, Washer
  • Dining Room Dimensions: 14X14
  • Dining Room Level: First Floor
  • Dining Room Features: Closet/Cabinets - Custom Built, Flooring - Hardwood

Bathrooms

  • Full Baths: 2
  • Half Baths 1
  • Bathroom 1 Dimensions: 2X4
  • Bathroom 1 Level: First Floor
  • Bathroom 1 Features: Bathroom - Half, Flooring - Vinyl
  • Bathroom 2 Dimensions: 8X9
  • Bathroom 2 Level: Second Floor
  • Bathroom 2 Features: Bathroom - Full, Closet - Linen, Flooring - Stone/Ceramic Tile
  • Bathroom 3 Dimensions: 5X6
  • Bathroom 3 Level: Third Floor
  • Bathroom 3 Features: Bathroom - 3/4

Bedrooms

  • Bedrooms: 5
  • Master Bedroom Dimensions: 12X14
  • Master Bedroom Level: Second Floor
  • Master Bedroom Features: Closet, Flooring - Hardwood
  • Bedroom 2 Dimensions: 12X14
  • Bedroom 2 Level: Second Floor
  • Master Bedroom Features: Closet, Flooring - Hardwood
  • Bedroom 3 Dimensions: 10X14
  • Bedroom 3 Level: Second Floor
  • Master Bedroom Features: Closet, Flooring - Hardwood

Other Rooms

  • Total Rooms: 10
  • Living Room Dimensions: 14X25
  • Living Room Level: First Floor
  • Living Room Features: Chair Rail, Crown Molding, Fireplace, Flooring - Hardwood, French Doors, Wainscoting, Window Seat
  • Family Room Level: First Floor
  • Family Room Features: Ceiling - Beamed, Ceiling - Cathedral, Ceiling Fan(s), Closet/Cabinets - Custom Built, Exterior Access, Fireplace, Flooring - Hardwood, French Doors, Skylight, Window(s) - Bay/Bow/Box
  • Laundry Room Features: Concrete Floor, Crawl, Full, Interior Access, Unfinished Basement

Utilities

  • Heating: Gas, Steam
  • Heat Zones: 1
  • Hot Water: Natural Gas
  • Cooling: Ductless Mini-Split System
  • Cooling Zones: 5
  • Electric Info: 200 Amps
  • Energy Features: Insulated Windows, Storm Doors, Storm Windows
  • Utility Connections: Icemaker Connection, Washer Hookup, for Electric Dryer, for Electric Oven, for Electric Range
  • Water: City/Town Water
  • Sewer: City/Town Sewer

Garage & Parking

  • Garage Parking: Detached, Garage Door Opener, Oversized Parking
  • Garage Spaces: 2
  • Parking Features: Off-Street, Paved Driveway
  • Parking Spaces: 10

Interior Features

  • Square Feet: 3451
  • Fireplaces: 2
  • Interior Features: French Doors, Security System
  • Accessability Features: No

Construction

  • Year Built: 1920
  • Type: Detached
  • Style: Colonial
  • Construction Type: Brick
  • Foundation Info: Fieldstone
  • Roof Material: Slate
  • UFFI: No
  • Flooring Type: Hardwood, Tile, Wall to Wall Carpet
  • Lead Paint: Certified Treated
  • Warranty: No

Exterior & Lot

  • Lot Description: Easements, Paved Drive
  • Exterior Features: Decorative Lighting, Patio, Professional Landscaping, Screens, Sprinkler System
  • Road Type: Cul-De-Sac, Paved, Public, Publicly Maint., Sidewalk

Other Information

  • MLS ID# 73540061
  • Last Updated: 06/23/26
  • HOA: No
  • Reqd Own Association: Unknown

Property History tap to expand

Date Event Price Price/Sq Ft Source
06/23/2026New$1,299,000$376MLSPIN

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Map

Seller's Representative: Carla Burns, Coldwell Banker Realty - Andovers/Readings Regional
Sub Agent Compensation: n/a
Buyer Agent Compensation: n/a
Facilitator Compensation: n/a
Compensation Based On: n/a
Sub-Agency Relationship Offered: No

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MLS PIN data last updated at 2026-06-23 13:31:00

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