20 Mason St
Winchester, MA 01890
- 4Beds
- 5Baths
- 2,853ft²Living Area
- 7,649ft²Lot Size
- -Pool
- -Car
- 1928Year Built
- -DOM
- -Permit
Property Valuations
Latest estimates for 20 Mason St based on TopHap automated valuation model (AVM).
TopHap Estimate
$1,556,864
$545/ft²
+$157K above Sold Price
Updated 7 months ago
Last Sold Price
$1,400,000
$491/ft²
7 years ago
20 Mason St is valued at $1,556,864 by TopHap AVM 7 months ago.
20 Mason St was last sold in 2018 for $1,400,000.
Current Ownership
Information about the current owner(s).
Taxes Billed
Taxes billed in 2025$19,211.00From latest Total Assessed Value1.11%Total Assessed Value$1,732,300=Land+
Assessed Value$1,066,100Additions
Assessed Value$666,200
In 2025, taxes billed for 20 Mason St were $19,211, which is 1.11% from latest Total Assessed Value of $1,732,300.
Property History
20 Mason St has undefined property events records (listings, deeds, permits, tax, foreclosure, loan).
Environment
Environmental factors around 20 Mason St
Hazard Risks
Hurricane124Lead111Air Pollution109Ozone106Wind106Nat'l Avg100Weather99Carb Mono96Particulates92Hail91Earthquake82Tornado65
12 hazards (Carbon Monoxide, Earthquake Risk, Hail Index, Tornado Index, Hurricane Index, Air Pollution Index, Ozone Index, Wind Index, Weather Risk, Lead Index, Particulate Matter, National Average) are above the national average around 20 Mason St.
Walkability Index
0 /20
Most Walkable
20-18
Very Walkable
17-15
Somewhat Walkable
14-10
Car Dependent
9-0
20 Mason St has a walkability score of 0 out of 20, which means that it is in a car dependent area.
Temperature
Seasonal temperature sampled over multiple years
Winter
Average
Low
20°F
High
37°F
Summer
Average
Low
59°F
High
80°F
In the winter at 20 Mason St, temperatures range from 19.79°F to 37.16°F with an average of 28.48°F. In the summer, the temperature ranges from 59.03°F to 79.94°F with and average of 69.49°F.
School Information
Public/private schools serving 20 Mason St
Public Schools
Nearby public schools serving 20 Mason St have ratings undefined, undefined, and undefined.
Nearby Properties on Mason St
- 12 Mason St, Winchester, MA 01890 is a 4,237 square foot, 4 bedroom, 4.25 bathroom, 0.37 acre property. It was built in 2005 and has an estimate of $2,794,324 with a price per ft² of $660.
- 14 Mason St, Winchester, MA 01890 is a 4,299 square foot, 6 bedroom, 3.5 bathroom, 0.75 acre property. It was built in 1902 and has an estimate of $3,186,035 with a price per ft² of $741.
- 21 Mason St, Winchester, MA 01890 is a 1,425 square foot, 2 bedroom, 2 bathroom, 0.27 acre property. It was built in 1941 and has an estimate of $1,412,656 with a price per ft² of $991.
- 25 Mason St, Winchester, MA 01890 is a 2,993 square foot, 4 bedroom, 3.25 bathroom, 0.47 acre property. It was built in 1994 and has an estimate of $2,131,943 with a price per ft² of $712.
- 20 Mason St, Winchester, MA 01890 is a 2,853 square foot, 4 bedroom, 5.5 bathroom, 0.18 acre property. It was built in 1928 and has an estimate of $1,960,638 with a price per ft² of $687.
- 8-10 Mason St, Winchester, MA 01890 is a 2,939 square foot, 4 bedroom, 3.25 bathroom, 0.25 acre property. It was built in 1900 and has an estimate of $1,466,000 with a price per ft² of $499.
- 3 Mason St, Winchester, MA 01890 is a 2,412 square foot, 4 bedroom, 2 bathroom, 0.19 acre property. It was built in 1910 and has an estimate of $1,440,144 with a price per ft² of $597.
- 17 Mason St, Winchester, MA 01890 is a 1,567 square foot, 3 bedroom, 2 bathroom, 0.23 acre property. It was built in 1941 and has an estimate of $1,618,597 with a price per ft² of $1,033.
- 16 Mason St, Winchester, MA 01890 is a 4,761 square foot, 5 bedroom, 5.25 bathroom, 0.19 acre property. It was built in 1910 and has an estimate of $2,409,404 with a price per ft² of $506.
- 6 Mason St, Winchester, MA 01890 is a 1,890 square foot, 2 bedroom, 3.25 bathroom, 0.19 acre property. It was built in 1870 and has an estimate of $1,597,954 with a price per ft² of $845.
- 24 Mason St, Winchester, MA 01890 is a 3,965 square foot, 4 bedroom, 5.25 bathroom, 0.57 acre property. It was built in 1900 and has an estimate of $3,246,689 with a price per ft² of $819.
- 16 Mason St # 20, Winchester, MA 01890 is a 0.58 acre property.