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!
For sale
$1,299,000
21 William St, Andover, MA 01810
5beds
3,451sqft
Single Family Residence
Built in 1920
0.28 Acres Lot
$-- Zestimate®
$376/sqft
$-- HOA
What's special
Full brick homeSlate roofAmazing curb appeal
- 9 days |
- 2,667 |
- 170 |
Likely to sell faster than
Zillow last checked:
Listing updated:
Listed by:
Carla Burns 978-376-5448,
Coldwell Banker Realty - Andovers/Readings Regional 978-475-2201
Source: MLS PIN,MLS#: 73540061
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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 3
- Full bathrooms: 2
- 1/2 bathrooms: 1
Primary bedroom
- Features: Closet, Flooring - Hardwood
- Level: Second
- Area: 168
- Dimensions: 12 x 14
Bedroom 2
- Features: Closet, Flooring - Hardwood
- Level: Second
- Area: 168
- Dimensions: 12 x 14
Bedroom 3
- Features: Closet, Flooring - Hardwood
- Level: Second
- Area: 140
- Dimensions: 10 x 14
Bedroom 4
- Features: Closet, Flooring - Hardwood
- Level: Second
- Area: 140
- Dimensions: 10 x 14
Bedroom 5
- Features: Bathroom - 3/4, Skylight, Cathedral Ceiling(s), Ceiling Fan(s), Beamed Ceilings, Walk-In Closet(s), Flooring - Wall to Wall Carpet, Attic Access, Lighting - Overhead
- Level: Third
- Area: 420
- Dimensions: 20 x 21
Primary bathroom
- Features: No
Bathroom 1
- Features: Bathroom - Half, Flooring - Vinyl
- Level: First
- Area: 8
- Dimensions: 2 x 4
Bathroom 2
- Features: Bathroom - Full, Closet - Linen, Flooring - Stone/Ceramic Tile
- Level: Second
- Area: 72
- Dimensions: 8 x 9
Bathroom 3
- Features: Bathroom - 3/4
- Level: Third
- Area: 30
- Dimensions: 5 x 6
Dining room
- Features: Closet/Cabinets - Custom Built, Flooring - Hardwood
- Level: First
- Area: 196
- Dimensions: 14 x 14
Family room
- Features: Skylight, Cathedral Ceiling(s), Ceiling Fan(s), Beamed Ceilings, Closet/Cabinets - Custom Built, Flooring - Hardwood, Window(s) - Bay/Bow/Box, French Doors, Exterior Access
- Level: First
- Area: 304
- Dimensions: 16 x 19
Kitchen
- Features: Bathroom - Half, Beamed Ceilings, Closet/Cabinets - Custom Built, Countertops - Stone/Granite/Solid, Breakfast Bar / Nook, Recessed Lighting, Stainless Steel Appliances
- Level: First
- Area: 208
- Dimensions: 13 x 16
Living room
- Features: Flooring - Hardwood, French Doors, Chair Rail, Wainscoting, Crown Molding, Window Seat
- Level: First
- Area: 350
- Dimensions: 14 x 25
Heating
- Steam, Natural Gas
Cooling
- Ductless
Appliances
- Included: Gas Water Heater, Oven, Dishwasher, Range, Refrigerator, Washer, Plumbed For Ice Maker
- Laundry: In Basement, Electric Dryer Hookup, Washer Hookup
Features
- Ceiling Fan(s), Closet, Wainscoting, Crown Molding, Sun Room, Foyer, Bathroom, Walk-up Attic
- Flooring: Tile, Carpet, Hardwood, Flooring - Stone/Ceramic Tile, Flooring - Hardwood
- Doors: Storm Door(s), French Doors
- Windows: Insulated Windows, Storm Window(s), Screens
- Basement: Full,Crawl Space,Interior Entry,Concrete,Unfinished
- Number of fireplaces: 2
- Fireplace features: Family Room, Living Room
Interior area
- Total structure area: 3,451
- Total interior livable area: 3,451 sqft
- Finished area above ground: 3,451
Property
Parking
- Total spaces: 10
- Parking features: Detached, Garage Door Opener, Oversized, Paved Drive, Off Street, Paved
- Garage spaces: 2
- Uncovered spaces: 8
Accessibility
- Accessibility features: No
Features
- Patio & porch: Porch - Enclosed, Patio
- Exterior features: Porch - Enclosed, Patio, Professional Landscaping, Sprinkler System, Decorative Lighting, Screens
Lot
- Size: 0.28 Acres
- Features: Cul-De-Sac, Easements
Details
- Parcel number: M:00052 B:00119 L:00000,1838724
- Zoning: SRA
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Single Family Residence
Materials
- Brick
- Foundation: Stone
- Roof: Slate
Condition
- Year built: 1920
Utilities & green energy
- Electric: 200+ Amp Service
- Sewer: Public Sewer
- Water: Public
- Utilities for property: for Electric Range, for Electric Oven, for Electric Dryer, Washer Hookup, Icemaker Connection
Community & HOA
Community
- Features: Park, Highway Access, Sidewalks
- Security: Security System
- Subdivision: Pretty brick section of Shawsheen Village.
HOA
- Has HOA: No
Location
- Region: Andover
Financial & listing details
- Price per square foot: $376/sqft
- Tax assessed value: $1,213,700
- Annual tax amount: $14,941
- Date on market: 6/23/2026
- Exclusions: See Inclusion/Exclusion List In Mls Under Paperclip.
- Road surface type: Paved
Estimated market value
Not available
Estimated sales range
Not available
$5,189/mo
Price history
| Date | Event | Price |
|---|---|---|
| 6/23/2026 | Listed for sale | $1,299,000$376/sqft |
Source: MLS PIN #73540061 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $13,963 | $1,084,100 |
| 2024 | $13,963 +4.7% | $1,084,100 +11.1% |
| 2023 | $13,331 | $975,900 |
| 2022 | $13,331 +10.4% | $975,900 +23.6% |
| 2021 | $12,075 +4.3% | $789,700 +2.3% |
| 2020 | $11,582 +1.3% | $771,600 +3% |
| 2019 | $11,437 +5% | $749,000 +7.6% |
| 2018 | $10,890 +4.4% | $696,300 +1.4% |
| 2017 | $10,427 +2.4% | $686,900 0% |
| 2016 | $10,181 +4.1% | $687,000 +5.1% |
| 2015 | $9,781 +7.3% | $653,400 +8.8% |
| 2014 | $9,116 +4.6% | $600,500 |
| 2013 | $8,713 +3% | $600,500 +0.4% |
| 2012 | $8,463 +3.8% | $598,100 +3.6% |
| 2011 | $8,150 +3.3% | $577,200 -3.5% |
| 2010 | $7,886 +1.4% | $597,900 -6.5% |
| 2009 | $7,775 +3.1% | $639,400 -0.9% |
| 2008 | $7,544 +3.9% | $645,300 0% |
| 2007 | $7,261 +2.8% | $645,400 +4.1% |
| 2006 | $7,066 +6.6% | $619,800 +7.7% |
| 2005 | $6,626 +4% | $575,700 +3.7% |
| 2004 | $6,369 +1.5% | $555,300 +2.9% |
| 2003 | $6,277 +12% | $539,700 +43.7% |
| 2001 | $5,604 +1.8% | $375,600 |
| 2000 | $5,503 +12.4% | $375,600 +18.7% |
| 1997 | $4,896 | $316,300 |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: 01810
Nearby schools
GreatSchools rating
- 7/10West Elementary SchoolGrades: K-5Distance: 1.1 mi
- 8/10Andover West Middle SchoolGrades: 6-8Distance: 1.1 mi
- 10/10Andover High SchoolGrades: 9-12Distance: 1.2 mi
Schools provided by the listing agent
- Elementary: West Elementary
- Middle: West Middle
- High: Andover High School
Source: MLS PIN. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
A local agent can set up tours, give advice and negotiate with sellers.
- Massachusetts
- Essex County
- Andover
- 01810
- 21 William St
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