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CondominiumResidential
Last sold for $860,000 on Jun 22, 2023

1 RIVER RUN

WILLIAMSTOWN, MA 01267
2019
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
Built 20195 units1,466–1,696 ft²
$4.9M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$973K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$614
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+31.5%vs the Williamstown ZIP median sale $/ft² ($467)

Sales Performance

—
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
0
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
0.0%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.

2 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

2 bed
2 units
3 bed
3 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$934K–$934K
1 unit
$962K–$962K
1 unit
$973K–$973K
1 unit
$1M–$1M
2 units

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.40%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.20%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.5.9 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.100%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.23%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$854,253
Median tax billThe middle annual property tax bill among the building's units.$10,823
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

BuildingJun 22, 2023$860,000BuildingMay 18, 2021$682,450

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,834 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$857,500 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$857,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$865,200

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.22
99
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
10
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.154 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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyBerkshire
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Williamstown Elementary SchoolB
Elementary · Grades PK–6 · 0.7 mi
M
Mount Greylock Regional High SchoolB+
Middle · Grades 7–12 · 3.2 mi

District: Mount Greylock School District

Neighborhood · ZIP 01267These 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.58
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.80%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.8,406
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.139 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,851
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$136,416
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.50%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

1 River Run
3 bd · 2 ba · 1,811 ft²
$939K
1 River Run Unit 2
2 bd · 2 ba · 1,466 ft²
$973K
1 River Run Unit 3
3 bd · 2 ba · 1,580 ft²
$1M
1 River Run Unit 4
3 bd · 2 ba · 1,696 ft²
$1M
1 River Run Unit 5
2 bd · 2 ba · 1,522 ft²
$934K
1 River Run Unit 6
3 bd · 2 ba · 1,570 ft²
$962K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 1 River Run

How many units are in 1 River Run, Williamstown, MA?

1 River Run, Williamstown, MA has 5 residential units across built in 2019, according to county assessor records.

What is a unit at 1 River Run, Williamstown, MA worth?

The median TopHap Estimate across the 5 units at 1 River Run, Williamstown, MA is $973,378. That works out to $614 per square foot. Units run from 1,466 to 1,696 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 1 River Run, Williamstown, MA expensive for Williamstown?

Units at 1 River Run, Williamstown, MA carry a median of $614 per square foot, 31% above the Williamstown median of $467 per square foot.

How often do units sell at 1 River Run, Williamstown, MA?

0 units at 1 River Run, Williamstown, MA sold in the last 12 months, out of 2 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

More homes on River Run

Closest homes

More homes in Williamstown 01267

Assigned schools

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