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CondominiumResidential

173 Oak St

NEWTON, MA 02464
3.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.
Built 19885 floors31 units799–1,263 ft²
$20M
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.
$685K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$573
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-35.2%vs the Newton Upper Falls ZIP median sale $/ft² ($884)

Sales Performance

$348K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
-48.4%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
3.2%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+5.8%per yeartypical hold 6.8 yrsfrom 51 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19901997200220062011201520202025
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19901997200220062011201520202025

84 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.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$525K$606K$688K$769K799 ft²892 ft²985 ft²1,077 ft²1,170 ft²1,263 ft²
1 bd2 bd
1 bed
2 units
2 bed
29 units
Recurring 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 bd · 2 ba · 1,144 ft²
3 units
2 bd · 2 ba · 1,202 ft²
3 units
2 bd · 2 ba · 1,263 ft²
3 units
2 bd · 2 ba · 1,150 ft²
2 units
2 bd · 2 ba · 1,151 ft²
2 units
2 bd · 2 ba · 1,196 ft²
2 units
2 bd · 2 ba · 1,200 ft²
2 units
2 bd · 2 ba · 1,223 ft²
2 units
2 bd · 2 ba · 1,242 ft²
2 units
2 bd · 2 ba · 1,254 ft²
2 units
One-off layouts
8 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.

$525K–$552K
2 units
$646K–$646K
2 units
$665K–$676K
8 units
$680K–$707K
13 units
$711K–$725K
3 units
$743K–$769K
2 units

Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.

Floor 1
$552/ft²
Floor 2
$576/ft²
Floor 3
$574/ft²
Floor 4
$593/ft²
Floor 5
$571/ft²
Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·01
$592/ft²
Line ·06
$577/ft²
Line ·03
$571/ft²
Line ·04
$568/ft²
Line ·02
$556/ft²
Line ·05
$551/ft²

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.68%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.26%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.9.4 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.44%
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.25%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$704,631
Median tax billThe middle annual property tax bill among the building's units.$6,511
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.

Unit 210Dec 4, 2025$347,500Unit 208Aug 8, 2025$700,000Unit 105Jun 12, 2025$667,500Unit 303Jun 2, 2025$680,000Unit 102Mar 27, 2025$550,000Unit 501Dec 15, 2023$740,000Unit 109Nov 30, 2023$720,000Unit G2Apr 27, 2023$660,000Unit 205Jul 28, 2022$700,000Unit 502Jun 18, 2021$630,000

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

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
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.3.40
ConstructionThe main material the home's frame and walls are built from.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Baseboard
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.In-Ground Pool

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

E
Countryside Elementary SchoolA-
Elementary · Grades KG–5 · 0.9 mi
M
Charles E. Brown Middle SchoolA
Middle · Grades 6–8 · 1.4 mi
H
Newton South High SchoolA+
High · Grades 9–12 · 1.7 mi

District: Newton School District

Neighborhood · ZIP 02464These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.75

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
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.3,773
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,268 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$129,956
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$177,427
Average tempThe average temperature here across a full year.49°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%

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.

173 Oak St Apt G1
1 bd · 1 ba · 799 ft²
$525K
173 Oak St Apt G2
2 bd · 2 ba · 1,196 ft²
$685K
173 Oak St # G4
2 bd · 2 ba · 1,151 ft²
$646K
173 Oak St # G5
2 bd · 2 ba · 1,200 ft²
$692K
173 Oak St # 102
1 bd · 1.5 ba · 1,065 ft²
$552K
173 Oak St # 103
2 bd · 2 ba · 1,202 ft²
$666K
173 Oak St # 104
2 bd · 2 ba · 1,254 ft²
$696K
173 Oak St Apt 105
2 bd · 2 ba · 1,242 ft²
$670K
173 Oak St Apt 106
2 bd · 2 ba · 1,144 ft²
$665K
173 Oak St # 108
2 bd · 2 ba · 1,209 ft²
$668K
173 Oak St Apt 109
2 bd · 2 ba · 1,258 ft²
$711K
173 Oak St Apt 201
2 bd · 2 ba · 1,223 ft²
$694K
173 Oak St Apt 202
2 bd · 2 ba · 1,263 ft²
$725K
173 Oak St Apt 203
2 bd · 2 ba · 1,202 ft²
$695K
173 Oak St # 205
2 bd · 2 ba · 1,242 ft²
$671K
173 Oak St Apt 206
2 bd · 2 ba · 1,254 ft²
$718K
173 Oak St # 208
2 bd · 2 ba · 1,144 ft²
$702K
173 Oak St Apt 209
2 bd · 2 ba · 1,200 ft²
$690K
173 Oak St Apt 210
2 bd · 2 ba · 1,151 ft²
$676K
173 Oak St Apt 301
2 bd · 2 ba · 1,223 ft²
$702K
173 Oak St # 302
2 bd · 2 ba · 1,263 ft²
$743K
173 Oak St # 303
2 bd · 2 ba · 1,202 ft²
$682K
173 Oak St # 304
2 bd · 2 ba · 1,150 ft²
$646K
173 Oak St Apt 305
2 bd · 2 ba · 1,184 ft²
$680K
173 Oak St Apt 306
2 bd · 2 ba · 1,196 ft²
$692K
173 Oak St Apt 401
2 bd · 2 ba · 1,174 ft²
$769K
173 Oak St # 402
2 bd · 2 ba · 1,263 ft²
$686K
173 Oak St Apt 403
2 bd · 2 ba · 1,144 ft²
$669K
173 Oak St Apt 404
2 bd · 2 ba · 1,150 ft²
$675K
173 Oak St # 501
2 bd · 2 ba · 1,239 ft²
$707K
173 Oak St Apt 502
2 bd · 2 ba · 1,092 ft²

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

About 173 Oak St

How many units are in 173 Oak St, Newton, MA?

173 Oak St, Newton, MA has 31 residential units across 5 floors, built in 1988, according to county assessor records.

What is a unit at 173 Oak St, Newton, MA worth?

The median TopHap Estimate across the 31 units at 173 Oak St, Newton, MA is $685,446. That works out to $573 per square foot. Units run from 799 to 1,263 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 173 Oak St, Newton, MA expensive for Newton Upper Falls?

Units at 173 Oak St, Newton, MA carry a median of $573 per square foot, 35% below the Newton Upper Falls median of $884 per square foot.

How often do units sell at 173 Oak St, Newton, MA?

1 units at 173 Oak St, Newton, MA sold in the last 12 months, out of 84 recorded arms-length sales all time. That is a turnover rate of 3.2% of the building per year. The median sale over that period was $348K.

Have units at 173 Oak St, Newton, MA appreciated?

Across 51 repeat sales of the same unit, 173 Oak St, Newton, MA returned a median 5.8% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 6.8 years.

What floor plans does 173 Oak St, Newton, MA have?

The most common plan at 173 Oak St, Newton, MA is a 2-bedroom of 1,144 square feet, repeated 3 times, with a median estimate of $669,234. TopHap identifies 10 recurring plans in the building.

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