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.
+28.1%vs the Waltham ZIP median sale $/ft² ($435)
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.
1 bd2 bd
1 bed
3 units$578K · $628/ft²
2 bed
32 units$785K · $557/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 · 1,585 ft²
8 units$877K · $553/ft²
2 bd · 2 ba · 1,705 ft²
8 units$931K · $546/ft²
2 bd · 2 ba · 1,295 ft²
7 units$752K · $581/ft²
2 bd · 2 ba · 1,310 ft²
6 units$764K · $583/ft²
1 bd · 1 ba · 920 ft²
3 units$578K · $628/ft²
2 bd · 2 ba · 1,490 ft²
2 units$788K · $529/ft²
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/ft²8 units · -9%
Floor 2
$506/ft²8 units · -9%
Floor 3
$565/ft²8 units · +1%
Floor 4
$564/ft²9 units · +1%
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/ft²3 units · +5%
Line ·06
$582/ft²4 units · +4%
Line ·04
$553/ft²4 units · -1%
Line ·09
$551/ft²4 units · -1%
Line ·03
$549/ft²4 units · -1%
Line ·02
$526/ft²4 units · -6%
Line ·01
$493/ft²4 units · -11%
Line ·05
$421/ft²4 units · -25%
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$655,000$712/ft²BuildingMar 23, 2026$790,000$859/ft²Unit 303May 30, 2025$775,000$520/ft²Unit 405May 14, 2025$850,000$499/ft²Unit 208Apr 17, 2025$770,000$595/ft²Unit 409Oct 29, 2024$949,900$557/ft²Unit 202Sep 7, 2023$293,895$227/ft²BuildingJul 14, 2023$230,895$251/ft²Unit 407Feb 24, 2023$510,000$554/ft²Unit 109Jun 30, 2022$810,000$475/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.
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.
EMH
Northeast Elementary SchoolC+
Elementary · Grades KG–5 · 0.4 mi
John F. Kennedy Middle SchoolA-
Middle · Grades 6–8 · 0.9 mi
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.17,229
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.$131,985
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%
Ownership
OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No
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
107 Clocktower Dr # 101
2 bd · 2 ba · 1,585 ft²
107 Clocktower Dr # 102
2 bd · 2 ba · 1,295 ft²
107 Clocktower Dr # 103
2 bd · 2 ba · 1,295 ft²
107 Clocktower Dr # 104
2 bd · 2 ba · 1,585 ft²
107 Clocktower Dr # 105
2 bd · 2 ba · 1,705 ft²
107 Clocktower Dr # 106
2 bd · 2 ba · 1,295 ft²
107 Clocktower Dr # 108
2 bd · 2 ba · 1,295 ft²
107 Clocktower Dr # 109
2 bd · 2 ba · 1,705 ft²
107 Clocktower Dr # 201
2 bd · 2 ba · 1,585 ft²
107 Clocktower Dr # 202
2 bd · 2 ba · 1,295 ft²
107 Clocktower Dr # 203
2 bd · 2 ba · 1,480 ft²
107 Clocktower Dr # 204
2 bd · 2 ba · 1,585 ft²
107 Clocktower Dr # 205
2 bd · 2 ba · 1,705 ft²
107 Clocktower Dr # 206
2 bd · 2 ba · 1,295 ft²
107 Clocktower Dr # 207
1 bd · 1 ba · 920 ft²
107 Clocktower Dr # 208
2 bd · 2 ba · 1,295 ft²
107 Clocktower Dr # 209
2 bd · 2 ba · 1,705 ft²
107 Clocktower Dr # 301
2 bd · 2 ba · 1,585 ft²
107 Clocktower Dr # 302
2 bd · 2 ba · 1,310 ft²
107 Clocktower Dr # 303
2 bd · 2 ba · 1,490 ft²
107 Clocktower Dr # 304
2 bd · 2 ba · 1,585 ft²
107 Clocktower Dr # 305
2 bd · 2 ba · 1,705 ft²
107 Clocktower Dr # 306
2 bd · 2 ba · 1,310 ft²
107 Clocktower Dr # 307
1 bd · 1 ba · 920 ft²
107 Clocktower Dr # 308
2 bd · 2 ba · 1,310 ft²
107 Clocktower Dr # 309
2 bd · 2 ba · 1,705 ft²
107 Clocktower Dr # 401
2 bd · 2 ba · 1,585 ft²
107 Clocktower Dr # 402
2 bd · 2 ba · 1,310 ft²
107 Clocktower Dr # 403
2 bd · 2 ba · 1,490 ft²
107 Clocktower Dr # 404
2 bd · 2 ba · 1,585 ft²
107 Clocktower Dr # 405
2 bd · 2 ba · 1,705 ft²
107 Clocktower Dr # 406
2 bd · 2 ba · 1,310 ft²
107 Clocktower Dr # 407
1 bd · 1 ba · 920 ft²
107 Clocktower Dr # 408
2 bd · 2 ba · 1,310 ft²
107 Clocktower Dr # 409
2 bd · 2 ba · 1,705 ft²
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, 28% above the Waltham median of $435 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.
Closest homes
- 170 Clocktower Dr$848K0 ft · 2 bd · 2 ba · 1,465 ft² · Sold $513K · Aug 2015
- 170 Clocktower Dr$567K0 ft · 2 bd · 1 ba · 960 ft² · Sold $570K · Apr 2026
- 87 Clocktower Dr$741K0 ft · 2 bd · 2 ba · 1,310 ft² · Sold $710K · Jul 2023
- 170 Clocktower Dr$850K0 ft · 2 bd · 2 ba · 1,465 ft² · Sold $540K · Sep 2016
- 170 Clocktower Dr$824K0 ft · 2 bd · 2 ba · 1,465 ft² · Sold $665K · Dec 2022
- 170 Clocktower Dr$395K0 ft · 2 bd · 1 ba · 1,030 ft² · Sold $220K · Dec 2008
- 204 Clocktower Dr$623K0 ft · 2 bd · 1 ba · 1,030 ft² · Sold $461K · Oct 2019
- 204 Clocktower Dr$751K0 ft · 2 bd · 2 ba · 1,465 ft² · Sold $765K · Aug 2025
More homes in Waltham 02452
- 88 Temple Rd$800K3 bd · 2.5 ba · 1,907 ft² · Sold $830K · Jul 2026
- 210 Church St$555K2 bd · 1.5 ba · 1,532 ft² · Sold $605K · Jun 2026
- 153 Bishops Forest Dr$942K2 bd · 3.5 ba · 2,704 ft² · Sold $1.1M · Jun 2026
- 66 Phillips Cir$987K3 bd · 1.5 ba · 1,797 ft² · Sold $985K · Jun 2026
- 231 Bishops Forest Dr$971K2 bd · 3.5 ba · 2,420 ft² · Sold $827K · Jun 2026
- 1105 Lexington St$419K1 bd · 1 ba · 702 ft² · Sold $410K · Jun 2026
- 45 Chase Rd$939K4 bd · 1.5 ba · 1,716 ft² · Sold $935K · May 2026
- 31 Oakledge Rd$783K3 bd · 1 ba · 1,421 ft² · Sold $780K · May 2026
- 435 Lexington St$1.2M4 bd · 1.5 ba · 2,474 ft² · Sold $1.2M · May 2026
- 175 Mallard Way$1.1M3 bd · 4 ba · 2,488 ft² · Sold $1.1M · May 2026
- 648 Trapelo Rd$694K3 bd · 1 ba · 1,544 ft² · Sold $680K · May 2026
- 55 Azalea Rd$1.3M3 bd · 3.5 ba · 2,243 ft² · Sold $1.3M · May 2026
Assigned schools
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