21 William St, Andover, MA 01810
Home value
$1,283,800
$1.19M - $1.39M
$5,211/mo
Owner options
$5,211/mo
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$5,211/mo
Rent Zestimate®
$8,146/mo
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$8,146/mo
Est. payment
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Zillow last checked:
Listing updated:
Carla Burns 978-376-5448,
Coldwell Banker Realty - Andovers/Readings Regional 978-475-2201
Christina Santos-Gordon
LAER Realty Partners
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: $372/sqft
- Tax assessed value: $1,213,700
- Annual tax amount: $14,941
- Date on market: 7/8/2026
- Exclusions: See Inclusion/Exclusion List In Mls Under Paperclip.
- Road surface type: Paved
Price history
| Date | Event | Price |
|---|---|---|
| 7/30/2026 | Sold | $1,284,000-1.2%$372/sqft |
Source: MLS PIN #73540061 Report a problem | ||
| 7/16/2026 | Pending sale | $1,299,000$376/sqft |
Source: MLS PIN #73540061 Report a problem | ||
| 7/2/2026 | Contingent | $1,299,000$376/sqft |
Source: MLS PIN #73540061 Report a problem | ||
| 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 |
Neighborhood: 01810
Nearby homes
- $1,230,2003 bd3 ba3k sqft19 William St, Andover, MA 01810Off Market
- $1,518,0004 bd5 ba4.1k sqft10 Sherbourne St, Andover, MA 01810Off Market

- $1,516,2004 bd4 ba3.9k sqft23 William St, Andover, MA 01810Off Market
- $1,616,9004 bd3 ba5.1k sqft20 William St, Andover, MA 01810Off Market
- $1,426,6005 bd3 ba3.5k sqft12 Sherbourne St, Andover, MA 01810Off Market
- $559,000-- bd-- ba-- sqft4 Ayer St, Andover, MA 01810Off Market
- $1,573,4006 bd5 ba4.7k sqft24 William St, Andover, MA 01810Off Market
- $1,204,3004 bd2 ba2.8k sqft17 William St, Andover, MA 01810Off Market
Nearby schools
GreatSchools rating
- 8/10West 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.
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- Massachusetts
- Essex County
- Andover
- 01810
- 21 William St