CondominiumResidential
255 Winter St
WALTHAM, MA 02451
1.01 ac
Lot SizeThe size of the land the home sits on, from county records.
2009
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.
Built 20094 floors24 units930–1,426 ft²
$16M
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.
$684K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$564
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
+0.1%vs the Waltham ZIP median sale $/ft² ($564)
Sales Performance
$630K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+27.4%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
3
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
12.5%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+4.2%per yeartypical hold 6.4 yrsfrom 23 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20092011201520172019202120242026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20092011201520172019202120242026
48 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.
2 bd
2 bed
24 units$684K · $564/ft²
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 · 940 ft²
2 units$488K · $519/ft²
2 bd · 2 ba · 1,150 ft²
2 units$669K · $582/ft²
2 bd · 2 ba · 1,178 ft²
2 units$666K · $565/ft²
2 bd · 2.5 ba · 1,314 ft²
2 units$742K · $564/ft²
2 bd · 2.5 ba · 1,334 ft²
2 units$743K · $557/ft²
One-off layouts
14 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.
$302K–$302K
1 unit
$458K–$458K
1 unit
$488K–$488K
2 units
$558K–$558K
1 unit
$602K–$646K
2 units
$664K–$709K
7 units
$723K–$781K
10 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
$520/ft²12 units · -8%
Floor 3
$571/ft²8 units · +1%
Floor 4
$577/ft²4 units · +2%
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 ·02
$590/ft²3 units · +5%
Line ·03
$582/ft²3 units · +3%
Line ·01
$582/ft²3 units · +3%
Line ·04
$454/ft²3 units · -20%
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.92%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.8%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.7.9 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.40%
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.51%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$678,056
Median tax billThe middle annual property tax bill among the building's units.$6,211
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 403May 26, 2026$705,000$573/ft²Unit 302Oct 30, 2025$589,000$633/ft²Unit 305Sep 18, 2025$630,000$535/ft²Unit 401Jun 27, 2025$700,000$601/ft²Unit 104Feb 7, 2025$289,100$226/ft²Unit 404Feb 28, 2024$600,000$492/ft²Unit 304Aug 15, 2022$597,000$519/ft²Unit 302May 31, 2022$588,000$632/ft²Unit 111Dec 16, 2021$605,000$460/ft²Unit 105Dec 10, 2021$625,000$449/ft²
Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.
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.23 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyMIDDLESEX
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
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
Douglas MacArthur Elementary SchoolA
Elementary · Grades KG–5 · 0.4 mi
John F. Kennedy Middle SchoolA-
Middle · Grades 6–8 · 1.1 mi
Waltham Sr High SchoolC
High · Grades 9–12 · 1.2 mi
District: Waltham School District
Neighborhood · ZIP 02451These 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.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.76
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.16,966
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,036 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,384
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$156,140
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.
255 Winter St # 101
2 bd · 2.5 ba · 1,426 ft²
255 Winter St # 102
2 bd · 2.5 ba · 1,388 ft²
255 Winter St # 103
2 bd · 2.5 ba · 1,176 ft²
255 Winter St # 104
2 bd · 2 ba · 1,280 ft²
255 Winter St # 105
2 bd · 2.5 ba · 1,391 ft²
255 Winter St # 106
2 bd · 2.5 ba · 1,425 ft²
255 Winter St # 107
2 bd · 2.5 ba · 1,334 ft²
255 Winter St # 108
2 bd · 2.5 ba · 1,314 ft²
255 Winter St # 109
2 bd · 2.5 ba · 1,218 ft²
255 Winter St # 110
2 bd · 1 ba · 1,218 ft²
255 Winter St # 111
2 bd · 2.5 ba · 1,314 ft²
255 Winter St # 112
2 bd · 2.5 ba · 1,334 ft²
255 Winter St # 301
2 bd · 2 ba · 1,150 ft²
255 Winter St # 302
2 bd · 2 ba · 930 ft²
255 Winter St # 303
2 bd · 2 ba · 947 ft²
255 Winter St # 304
2 bd · 2 ba · 1,150 ft²
255 Winter St # 305
2 bd · 2 ba · 1,178 ft²
255 Winter St # 306
2 bd · 2 ba · 940 ft²
255 Winter St # 307
2 bd · 2 ba · 940 ft²
255 Winter St # 308
2 bd · 2 ba · 1,178 ft²
255 Winter St # 401
2 bd · 2 ba · 1,164 ft²
255 Winter St # 402
2 bd · 2 ba · 1,198 ft²
255 Winter St # 403
2 bd · 2 ba · 1,230 ft²
255 Winter St # 404
2 bd · 2 ba · 1,220 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 255 Winter St
How many units are in 255 Winter St, Waltham, MA?
255 Winter St, Waltham, MA has 24 residential units across 4 floors, built in 2009, according to county assessor records.
What is a unit at 255 Winter St, Waltham, MA worth?
The median TopHap Estimate across the 24 units at 255 Winter St, Waltham, MA is $683,823. That works out to $564 per square foot. Units run from 930 to 1,426 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 255 Winter St, Waltham, MA expensive for Waltham?
Units at 255 Winter St, Waltham, MA carry a median of $564 per square foot, 0% above the Waltham median of $564 per square foot.
How often do units sell at 255 Winter St, Waltham, MA?
3 units at 255 Winter St, Waltham, MA sold in the last 12 months, out of 48 recorded arms-length sales all time. That is a turnover rate of 12.5% of the building per year. The median sale over that period was $630K.
Have units at 255 Winter St, Waltham, MA appreciated?
Across 23 repeat sales of the same unit, 255 Winter St, Waltham, MA returned a median 4.2% 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 6.4 years.
What floor plans does 255 Winter St, Waltham, MA have?
The most common plan at 255 Winter St, Waltham, MA is a 2-bedroom of 940 square feet, repeated 2 times, with a median estimate of $487,750. TopHap identifies 5 recurring plans in the building.
Closest homes
- 255 Winter St$775K0 ft · 2 bd · 2.5 ba · 1,426 ft² · Sold $610K · Jun 2021
- 255 Winter St$731K0 ft · 2 bd · 2.5 ba · 1,334 ft² · Sold $380K · Sep 2009
- 255 Winter St$724K0 ft · 2 bd · 2.5 ba · 1,218 ft² · Sold $450K · May 2015
- 255 Winter St$646K0 ft · 2 bd · 2 ba · 1,178 ft² · Sold $630K · Sep 2025
- 255 Winter St$741K0 ft · 2 bd · 2.5 ba · 1,314 ft² · Sold $605K · Dec 2021
- 255 Winter St$742K0 ft · 2 bd · 2.5 ba · 1,314 ft² · Sold $595K · Jul 2021
- 255 Winter St$458K0 ft · 2 bd · 1 ba · 1,218 ft² · Sold $175K · Mar 2011
- 255 Winter St$302K0 ft · 2 bd · 2 ba · 1,280 ft² · Sold $289K · Feb 2025
More homes in Waltham 02451
- 42 Lawrence St$900K3 bd · 1.5 ba · 1,447 ft² · Sold $925K · Jul 2026
- 34 Copeland St$734K3 bd · 1 ba · 1,329 ft² · Sold $750K · Jul 2026
- 25 Wellington St$585K3 bd · 2 ba · 1,226 ft² · Sold $605K · Jul 2026
- 38 Greenwood Ln$1.1M3 bd · 2.5 ba · 1,920 ft² · Sold $1.1M · Jul 2026
- 49 Lakeview Ave$725K3 bd · 2.5 ba · 1,123 ft² · Sold $800K · Jul 2026
- 24 Blossom St$1000K3 bd · 2.5 ba · 2,549 ft² · Sold $1.1M · Jul 2026
- 20 Elson Rd$749K3 bd · 1.5 ba · 1,430 ft² · Sold $747K · Jul 2026
- 14 Grant Pl$622K3 bd · 2.5 ba · 1,063 ft² · Sold $660K · Jul 2026
- 4 Lincoln Ter$1.4M3 bd · 3.5 ba · 2,884 ft² · Sold $1.4M · Jul 2026
- 22 Grove Rd$945K4 bd · 2 ba · 1,568 ft² · Sold $945K · Jul 2026
- 195 College Farm Rd$810K3 bd · 1.5 ba · 1,296 ft² · Sold $810K · Jul 2026
- 74 Galen St$750K2 bd · 1 ba · 1,293 ft² · Sold $750K · Jul 2026
Assigned schools
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