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CondominiumResidential
Last sold for $790,000 on Mar 23, 2026

107 CLOCKTOWER DR

WALTHAM, MA 02452
25.43 ac
Lot SizeThe size of the land the home sits on, from county records.
2006
Year BuiltThe year the home was originally built, according to county records.
Built 20064 floors35 units920–1,705 ft²
$26M
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.
$771K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$557
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+13.0%vs the Waltham ZIP median sale $/ft² ($493)

Sales Performance

$723K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
-11.1%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
2
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
5.7%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+2.7%per yeartypical hold 10.5 yrsfrom 30 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20072012201420172020202220242026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20072012201420172020202220242026

66 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.
$444K$613K$782K$951K920 ft²1,077 ft²1,234 ft²1,391 ft²1,548 ft²1,705 ft²
1 bd2 bd
1 bed
3 units
2 bed
32 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 · 1,585 ft²
8 units
2 bd · 2 ba · 1,705 ft²
8 units
2 bd · 2 ba · 1,295 ft²
7 units
2 bd · 2 ba · 1,310 ft²
6 units
1 bd · 1 ba · 920 ft²
3 units
2 bd · 2 ba · 1,490 ft²
2 units
One-off layouts
1 unit

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.

$444K–$489K
2 units
$547K–$549K
2 units
$572K–$583K
2 units
$751K–$758K
7 units
$761K–$819K
6 units
$825K–$887K
9 units
$923K–$951K
5 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
$507/ft²
Floor 2
$506/ft²
Floor 3
$565/ft²
Floor 4
$564/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 ·08
$584/ft²
Line ·06
$582/ft²
Line ·04
$553/ft²
Line ·09
$551/ft²
Line ·03
$549/ft²
Line ·02
$526/ft²
Line ·01
$493/ft²
Line ·05
$421/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.83%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.40%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.8.5 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.45%
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.22%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$749,772
Median tax billThe middle annual property tax bill among the building's units.$6,535
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 407May 28, 2026$655,000BuildingMar 23, 2026$790,000Unit 303May 30, 2025$775,000Unit 405May 14, 2025$850,000Unit 208Apr 17, 2025$770,000Unit 409Oct 29, 2024$949,900Unit 202Sep 7, 2023$293,895BuildingJul 14, 2023$230,895Unit 407Feb 24, 2023$510,000Unit 109Jun 30, 2022$810,000

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.$3,065 (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.$312,100 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$312,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$270,370

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.25.43
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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(5)

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
Northeast Elementary SchoolC+
Elementary · Grades KG–5 · 0.4 mi
M
John F. Kennedy Middle SchoolA-
Middle · Grades 6–8 · 0.9 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 1.0 mi

District: Waltham School District

Neighborhood · ZIP 02452These 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.93
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 100.77

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10.0%
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.17,230
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,328 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,289
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,986
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.

107 Clocktower Dr
1 bd · 1 ba · 920 ft²
$392K
107 Clocktower Dr # 101
2 bd · 2 ba · 1,585 ft²
$489K
107 Clocktower Dr # 102
2 bd · 2 ba · 1,295 ft²
$751K
107 Clocktower Dr # 103
2 bd · 2 ba · 1,295 ft²
$753K
107 Clocktower Dr # 104
2 bd · 2 ba · 1,585 ft²
$883K
107 Clocktower Dr # 105
2 bd · 2 ba · 1,705 ft²
$547K
107 Clocktower Dr # 106
2 bd · 2 ba · 1,295 ft²
$752K
107 Clocktower Dr # 108
2 bd · 2 ba · 1,295 ft²
$753K
107 Clocktower Dr # 109
2 bd · 2 ba · 1,705 ft²
$939K
107 Clocktower Dr # 201
2 bd · 2 ba · 1,585 ft²
$883K
107 Clocktower Dr # 202
2 bd · 2 ba · 1,295 ft²
$444K
107 Clocktower Dr # 203
2 bd · 2 ba · 1,480 ft²
$825K
107 Clocktower Dr # 204
2 bd · 2 ba · 1,585 ft²
$880K
107 Clocktower Dr # 205
2 bd · 2 ba · 1,705 ft²
$549K
107 Clocktower Dr # 206
2 bd · 2 ba · 1,295 ft²
$754K
107 Clocktower Dr # 207
1 bd · 1 ba · 920 ft²
107 Clocktower Dr # 208
2 bd · 2 ba · 1,295 ft²
$752K
107 Clocktower Dr # 209
2 bd · 2 ba · 1,705 ft²
$943K
107 Clocktower Dr # 301
2 bd · 2 ba · 1,585 ft²
$869K
107 Clocktower Dr # 302
2 bd · 2 ba · 1,310 ft²
$764K
107 Clocktower Dr # 303
2 bd · 2 ba · 1,490 ft²
$758K
107 Clocktower Dr # 304
2 bd · 2 ba · 1,585 ft²
$873K
107 Clocktower Dr # 305
2 bd · 2 ba · 1,705 ft²
$941K
107 Clocktower Dr # 306
2 bd · 2 ba · 1,310 ft²
$763K
107 Clocktower Dr # 307
1 bd · 1 ba · 920 ft²
$583K
107 Clocktower Dr # 308
2 bd · 2 ba · 1,310 ft²
107 Clocktower Dr # 309
2 bd · 2 ba · 1,705 ft²
$951K
107 Clocktower Dr # 401
2 bd · 2 ba · 1,585 ft²
$887K
107 Clocktower Dr # 402
2 bd · 2 ba · 1,310 ft²
$785K
107 Clocktower Dr # 403
2 bd · 2 ba · 1,490 ft²
$819K
107 Clocktower Dr # 404
2 bd · 2 ba · 1,585 ft²
$867K
107 Clocktower Dr # 405
2 bd · 2 ba · 1,705 ft²
$831K
107 Clocktower Dr # 406
2 bd · 2 ba · 1,310 ft²
$761K
107 Clocktower Dr # 407
1 bd · 1 ba · 920 ft²
$572K
107 Clocktower Dr # 408
2 bd · 2 ba · 1,310 ft²
$771K
107 Clocktower Dr # 409
2 bd · 2 ba · 1,705 ft²
$923K

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

About 107 Clocktower Dr

How many units are in 107 Clocktower Dr, Waltham, MA?

107 Clocktower Dr, Waltham, MA has 35 residential units across 4 floors, built in 2006, according to county assessor records.

What is a unit at 107 Clocktower Dr, Waltham, MA worth?

The median TopHap Estimate across the 35 units at 107 Clocktower Dr, Waltham, MA is $770,759. That works out to $557 per square foot. Units run from 920 to 1,705 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 107 Clocktower Dr, Waltham, MA expensive for Waltham?

Units at 107 Clocktower Dr, Waltham, MA carry a median of $557 per square foot, 13% above the Waltham median of $493 per square foot.

How often do units sell at 107 Clocktower Dr, Waltham, MA?

2 units at 107 Clocktower Dr, Waltham, MA sold in the last 12 months, out of 66 recorded arms-length sales all time. That is a turnover rate of 5.7% of the building per year. The median sale over that period was $723K.

Have units at 107 Clocktower Dr, Waltham, MA appreciated?

Across 30 repeat sales of the same unit, 107 Clocktower Dr, Waltham, MA returned a median 2.7% 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 10.5 years.

What floor plans does 107 Clocktower Dr, Waltham, MA have?

The most common plan at 107 Clocktower Dr, Waltham, MA is a 2-bedroom of 1,585 square feet, repeated 8 times, with a median estimate of $876,555. TopHap identifies 6 recurring plans in the building.

More homes on Clocktower Dr

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Assigned schools

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