Exempt (Full Or Partial)Other / Unknown
5 RIVER ST
ACTON, MA 01720
0
Baths
1.5 ac
Lot SizeThe size of the land the home sits on, from county records.
Tax & Assessment
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$376,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$376,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$376,400
Climate Risk
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.102 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal
Scores 0–100; higher = greater projected risk.
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Exempt (Full Or Partial)
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.1.50
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
EMH
Merriam Elementary SchoolB
Elementary · Grades KG–6 · 1.1 mi
R. J. Grey Junior High SchoolA
Middle · Grades 7–8 · 1.2 mi
Acton - Boxborough Regional High SchoolA
High · Grades 9–12 · 1.4 mi
District: Acton-Boxborough School District
Neighborhood · ZIP 01720These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.72
Index scale: 100 = US average (tick). Lower is better.
Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.24,473
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,210 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$148,952
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$187,397
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%
Ownership
Company ownedWhether the owner is a company or trust rather than a person.Yes
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
5 River St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Has a bigger lot than 86% of homes in Middlesex County
How it measures up in Acton 01720
The dot is this home. The mark in the middle is the typical home in Acton 01720.
Lot size1.5 ac
SmallerTypical 0.71 acBigger
Bigger than 71% of homes nearby
| Measure | This home | Acton 01720 | Middlesex County |
|---|---|---|---|
| Lot sizebigger than | 1.5 ac | 71% of homes | 86% of homes |
Closest homes
- 47 School St$479K75 ft · 2 bd · 1.5 ba · 988 ft² · Sold $150K · Apr 2014
- 49 School St83 ft · 4 bd · 2 ba · 1,891 ft² · Sold $820K · Nov 2024
- 43 School St$414K123 ft · 3 bd · 1.5 ba · 1,271 ft² · Sold $167K · Mar 2019
- 53 School St$562K134 ft · 3 bd · 1.5 ba · 1,271 ft² · Sold $420K · Mar 2018
- 45 School St$395K153 ft · 3 bd · 1.5 ba · 1,271 ft² · Sold $167K · Mar 2019
- 39 School St$580K197 ft · 3 bd · 1.5 ba · 1,268 ft² · Sold $562K · Sep 2025
- 1 River St$892K202 ft · 4 bd · 3.5 ba · 2,457 ft² · Sold $560K · May 2016
- 55 School St$587K236 ft · 3 bd · 1.5 ba · 1,441 ft² · Sold $185K · Jan 1996
More homes in Acton 01720
- 128 Parker St$500K2 bd · 1.5 ba · 1,128 ft² · Sold $512K · Jul 2026
- 68 Main St$575K3 bd · 2 ba · 1,501 ft² · Sold $620K · Jul 2026
- 16 Chestnut St$1.2M4 bd · 2.5 ba · 3,083 ft² · Sold $1.2M · Jul 2026
- 33 Simon Willard Rd$798K3 bd · 2 ba · 1,148 ft² · Sold $815K · Jul 2026
- 11 Davis Rd$280K1 bd · 1.5 ba · 693 ft² · Sold $267K · Jul 2026
- 5 Westside Dr$879K3 bd · 2.5 ba · 1,926 ft² · Sold $925K · Jul 2026
- 4 Meadow Brook Rd$939K4 bd · 2.5 ba · 1,764 ft² · Sold $1M · Jul 2026
- 9 Franklin Pl$974K3 bd · 3.5 ba · 2,111 ft² · Sold $849K · Jul 2026
- 11 Lillian Rd$550K3 bd · 1.5 ba · 1,020 ft² · Sold $540K · Jul 2026
- 205 Great Rd$276K1 bd · 1.5 ba · 652 ft² · Sold $219K · Jul 2026
- 2 Winter St$750K4 bd · 1.5 ba · 1,500 ft² · Sold $805K · Jul 2026
- 30 Duggan Rd$1.2M4 bd · 2.5 ba · 2,644 ft² · Sold $1.1M · Jul 2026
Assigned schools
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