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CondominiumResidential
Last sold for $95,000 on Jul 28, 2015

12 WALNUT ST

NATICK, MA 01760
1858
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 185819 units320–722 ft²
$5.6M
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.
$347K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$519
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+15.5%vs the Natick ZIP median sale $/ft² ($449)

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.
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.
+4.6%per yeartypical hold 6.1 yrsfrom 55 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
19871993199920042008201320192025
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
19871993199920042008201320192025

82 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.
$187K$246K$305K$365K320 ft²400 ft²481 ft²561 ft²642 ft²722 ft²
1 bd2 bd
1 bed
2 units
2 bed
17 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.

$187K–$197K
3 units
$214K–$214K
1 unit
$260K–$260K
1 unit
$319K–$319K
1 unit
$327K–$331K
2 units
$347K–$365K
10 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.53%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.37%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.9.2 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.29%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$327,208
Median tax billThe middle annual property tax bill among the building's units.$3,488
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 4Apr 25, 2025$360,000Unit 18Sep 17, 2024$320,000Unit 3May 2, 2024$350,000Unit 9Oct 28, 2021$300,000Unit 19Aug 3, 2021$125,000Unit 15Jul 8, 2021$287,500Unit 20Sep 23, 2020$150,000Unit 2Aug 18, 2020$307,000Unit 18Oct 31, 2019$216,000Unit 4Oct 24, 2019$250,000

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

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,488 (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.$208,000 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$208,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$281,295

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.19 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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.

H
Natick High SchoolA
High · Grades 9–12 · 1.0 mi
M
Wilson Middle SchoolA-
Middle · Grades 5–8 · 1.2 mi
E
Lilja Elementary SchoolA-
Elementary · Grades KG–4 · 1.2 mi

District: Natick School District

Neighborhood · ZIP 01760These 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.79
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.7%
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.37,721
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,380 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$133,738
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$174,842
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.

12 Walnut St
1 bd · 1 ba · 474 ft²
12 Walnut St
2 bd · 1.5 ba · 654 ft²
$331K
12 Walnut St
2 bd · 1.5 ba · 722 ft²
$361K
12 Walnut St Apt 3
2 bd · 1 ba · 688 ft²
$347K
12 Walnut St Apt 4
2 bd · 1 ba · 658 ft²
$353K
12 Walnut St Apt 5
2 bd · 2 ba · 646 ft²
$195K
12 Walnut St Apt 6
2 bd · 1 ba · 603 ft²
$319K
12 Walnut St # 7
2 bd · 1.5 ba · 672 ft²
$347K
12 Walnut St # 8
2 bd · 1.5 ba · 686 ft²
$360K
12 Walnut St Apt 9
2 bd · 2 ba · 713 ft²
$355K
12 Walnut St # 10
2 bd · 1 ba · 663 ft²
$355K
12 Walnut St Apt 11
1 bd · 1 ba · 482 ft²
$260K
12 Walnut St Apt 13
2 bd · 1 ba · 545 ft²
$197K
12 Walnut St Apt 14
2 bd · 1 ba · 690 ft²
$348K
12 Walnut St Apt 15
2 bd · 2 ba · 681 ft²
$365K
12 Walnut St # 16
2 bd · 1.5 ba · 682 ft²
$355K
12 Walnut St # 17
2 bd · 1.5 ba · 623 ft²
$327K
12 Walnut St Apt 18
2 bd · 1 ba · 590 ft²
12 Walnut St # 19
1 bd · 1 ba · 320 ft²
$187K
12 Walnut St # 20
2 bd · 1.5 ba · 668 ft²
$214K

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

About 12 Walnut St

How many units are in 12 Walnut St, Natick, MA?

12 Walnut St, Natick, MA has 19 residential units across built in 1858, according to county assessor records.

What is a unit at 12 Walnut St, Natick, MA worth?

The median TopHap Estimate across the 19 units at 12 Walnut St, Natick, MA is $346,762. That works out to $519 per square foot. Units run from 320 to 722 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 12 Walnut St, Natick, MA expensive for Natick?

Units at 12 Walnut St, Natick, MA carry a median of $519 per square foot, 16% above the Natick median of $449 per square foot.

How often do units sell at 12 Walnut St, Natick, MA?

0 units at 12 Walnut St, Natick, MA sold in the last 12 months, out of 82 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 12 Walnut St, Natick, MA appreciated?

Across 55 repeat sales of the same unit, 12 Walnut St, Natick, MA returned a median 4.6% 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 6.1 years.

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