21 Union Ave
Sudbury, MA 01776
- -Bed
- 1Bath
- 1,624ft²Living Area
- 1.5acLot Size
- -Pool
- -Car
- 1984Year Built
- -DOM
- -Permit
Current Ownership
Information about the current owner(s).
Taxes Billed
Taxes billed in 2025$13,497.00From latest Total Assessed Value2.1%Total Assessed Value$641,500=Land+
Assessed Value$402,200Additions
Assessed Value$239,300
In 2025, taxes billed for 21 Union Ave were $13,497, which is 2.10% from latest Total Assessed Value of $641,500.
Property History
21 Union Ave has undefined property events records (listings, deeds, permits, tax, foreclosure, loan).
Environment
Environmental factors around 21 Union Ave
Hazard Risks
Hurricane129Hail119Wind113Lead112Weather109Ozone102Carb Mono101Air Pollution101Nat'l Avg100Particulates88Tornado68Earthquake67
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 21 Union Ave.
Walkability Index
13 /20
Most Walkable
20-18
Very Walkable
17-15
Somewhat Walkable
14-10
Car Dependent
9-0
21 Union Ave has a walkability score of 13 out of 20, which means that it is in a somewhat walkable area.
Temperature
Seasonal temperature sampled over multiple years
Winter
Average
Low
18°F
High
37°F
Summer
Average
Low
59°F
High
81°F
In the winter at 21 Union Ave, temperatures range from 17.99°F to 37.03°F with an average of 27.51°F. In the summer, the temperature ranges from 58.59°F to 80.76°F with and average of 69.68°F.
School Information
Public/private schools serving 21 Union Ave
Public Schools
Nearby public schools serving 21 Union Ave have ratings undefined, undefined, and undefined.
Neighborhood
This property is located in 01776.
Seasonal Housing units 01776
44%of housing is for seasonal rent.
Daytime Population for 01776
+7%of people during work hours.
Crime Index for 01776
17
The crime index in 01776 is 17, which is 0.2 times lower than national average.
Market Trends
Historical market data near 21 Union Ave over selected time period.
Nearby Properties on Union Ave
- 143 Union Ave, Sudbury, MA 01776 is a 2,534 square foot, 3 bedroom, 2 bathroom, 1.57 acre property. It was built in 1986 and has an estimate of $1,204,589 with a price per ft² of $475.
- 128 Union Ave, Sudbury, MA 01776 is a 2,513 square foot, 4 bedroom, 3.25 bathroom, 0.93 acre property. It was built in 2000 and has an estimate of $1,172,392 with a price per ft² of $467.
- 25 Union Ave, Sudbury, MA 01776 is a 33,000 square foot, 4 bathroom, 5 acre property.
- 151 Union Ave, Sudbury, MA 01776 is a 2,379 square foot, 3 bedroom, 4.25 bathroom, 1.59 acre property. It was built in 1987 and has an estimate of $1,131,653 with a price per ft² of $476.
- 177 Union Ave, Sudbury, MA 01776 is a 3,398 square foot, 4 bedroom, 6.25 bathroom, 0.69 acre property. It was built in 2003 and has an estimate of $1,533,286 with a price per ft² of $451.
- 33 Union Ave, Sudbury, MA 01776 is a 11 bathroom and 9.08 acre property.
- 56 Union Ave, Sudbury, MA 01776 is a 8,120 square foot, 5 bathroom, 1.16 acre property.
- 27 Union Ave, Sudbury, MA 01776 is a 7,760 square foot, 2 bathroom, 3 acre property.
- 28 Union Ave, Sudbury, MA 01776 is a 3.01 acre property.
- 138 Union Ave, Sudbury, MA 01776 is a 2,143 square foot, 4 bedroom, 3.25 bathroom, 1.07 acre property. It was built in 1999 and has an estimate of $1,030,868 with a price per ft² of $481.
- 46 Union Ave, Sudbury, MA 01776 is a 2,720 square foot, 1 bathroom, 0.88 acre property.
- 1 Union Ave, Sudbury, MA 01776 is a 4,944 square foot, 3 bathroom, 0.66 acre property.
- 23 Union Ave, Sudbury, MA 01776 is a 0.41 acre property.
- 18 Union Ave, Sudbury, MA 01776 is a 5,533 square foot, 4 bathroom, 0.63 acre property.
- 50 Union Ave, Sudbury, MA 01776 is a 3,600 square foot, 1 bathroom, 0.6 acre property.
- 22 Union Ave, Sudbury, MA 01776 is a 9,944 square foot and 0.64 acre property.
- 173 Union Ave, Sudbury, MA 01776 is a 2,425 square foot, 4 bedroom, 3.25 bathroom, 0.76 acre property. It was built in 1960 and has an estimate of $451,478 with a price per ft² of $186.
- 64 Union Ave, Sudbury, MA 01776 is a 16,000 square foot, 4 bathroom, 1.42 acre property.
- 57 Union Ave, Sudbury, MA 01776 is a 11,480 square foot, 7 bathroom, 0.92 acre property.
- 21 Union Ave, Sudbury, MA 01776 is a 1,624 square foot, 1 bathroom, 1.3 acre property.
- 201 Union Ave, Sudbury, MA 01776 is a 3,210 square foot, 4 bedroom, 3.25 bathroom, 0.51 acre property. It was built in 1968 and has an estimate of $1,273,310 with a price per ft² of $397.
- 135 Union Ave, Sudbury, MA 01776 is a 1.51 acre property. It has an estimate of $1,370,422.
- 60 Union Ave, Sudbury, MA 01776 is a 12,000 square foot, 9 bathroom, 0.82 acre property.
- 71 Union Ave, Sudbury, MA 01776 is a 4 bathroom and 6.6 acre property.
- 39 Union Ave, Sudbury, MA 01776 is a 10,425 square foot, 5 bathroom, 0.83 acre property.
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