CondominiumResidential
204 CLOCKTOWER DR
WALTHAM, MA 02452
25.43 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.
Built 20094 floors49 units960–1,465 ft²
$34M
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.
$699K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$592
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
+3.9%vs the Waltham ZIP median sale $/ft² ($570)
Sales Performance
$835K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+26.1%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
2.0%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.7%per yeartypical hold 6.2 yrsfrom 51 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20092011201420172019202120242026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20092011201420172019202120242026
102 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
49 units$699K · $592/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 · 1,465 ft²
16 units$831K · $567/ft²
2 bd · 2 ba · 1,325 ft²
8 units$784K · $592/ft²
2 bd · 1 ba · 960 ft²
6 units$614K · $640/ft²
2 bd · 1 ba · 970 ft²
6 units$636K · $655/ft²
2 bd · 1 ba · 1,035 ft²
6 units$634K · $612/ft²
2 bd · 1 ba · 1,030 ft²
4 units$622K · $604/ft²
2 bd · 2 ba · 1,140 ft²
2 units$702K · $616/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.
$435K–$435K
1 unit
$526K–$527K
2 units
$553K–$553K
2 units
$589K–$634K
13 units
$636K–$650K
6 units
$699K–$702K
3 units
$752K–$785K
7 units
$787K–$837K
15 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
$554/ft²13 units · -6%
Floor 2
$594/ft²12 units · +0%
Floor 3
$596/ft²12 units · +1%
Floor 4
$600/ft²12 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 ·03
$656/ft²4 units · +11%
Line ·04
$629/ft²3 units · +6%
Line ·05
$626/ft²4 units · +6%
Line ·02
$616/ft²4 units · +4%
Line ·09
$603/ft²4 units · +2%
Line ·10
$594/ft²4 units · +0%
Line ·08
$592/ft²4 units · +0%
Line ·12
$591/ft²4 units · +0%
Line ·07
$570/ft²4 units · -4%
Line ·11
$557/ft²4 units · -6%
Line ·06
$548/ft²4 units · -7%
Line ·01
$515/ft²4 units · -13%
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.90%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.22%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.8.9 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.60%
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.30%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$677,155
Median tax billThe middle annual property tax bill among the building's units.$6,011
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 307Sep 9, 2026$835,000$570/ft²Unit 206Aug 1, 2025$765,000$522/ft²Unit 202Jun 17, 2025$559,000$582/ft²Unit 310Jun 13, 2024$760,000$574/ft²Unit 302Apr 29, 2024$569,900$588/ft²Unit 310Oct 18, 2023$720,000$543/ft²Unit 410Oct 2, 2023$705,000$532/ft²Unit 112Sep 29, 2023$560,000$544/ft²Unit 110Aug 15, 2023$552,000$533/ft²Unit 106Jan 31, 2023$685,000$468/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.$3,472 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$336,400 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$336,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$326,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$415,502
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(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.
EMH
Northeast Elementary SchoolD+
Elementary · Grades KG–5 · 0.4 mi
John F. Kennedy Middle SchoolB
Middle · Grades 6–8 · 0.9 mi
Waltham Sr High SchoolD+
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.
204 Clocktower Dr
2 bd · 1 ba · 960 ft²
204 Clocktower Dr # 101
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 102
2 bd · 1 ba · 960 ft²
204 Clocktower Dr # 103
2 bd · 1 ba · 960 ft²
204 Clocktower Dr # 104
2 bd · 1 ba · 960 ft²
204 Clocktower Dr # 105
2 bd · 1 ba · 960 ft²
204 Clocktower Dr # 106
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 107
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 108
2 bd · 1 ba · 1,030 ft²
204 Clocktower Dr # 109
2 bd · 1 ba · 1,035 ft²
204 Clocktower Dr # 110
2 bd · 1 ba · 1,035 ft²
204 Clocktower Dr # 111
2 bd · 1 ba · 1,035 ft²
204 Clocktower Dr # 112
2 bd · 1 ba · 1,030 ft²
204 Clocktower Dr # 113
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 201
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 202
2 bd · 1 ba · 960 ft²
204 Clocktower Dr # 203
2 bd · 1 ba · 960 ft²
204 Clocktower Dr # 205
2 bd · 2 ba · 1,135 ft²
204 Clocktower Dr # 206
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 207
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 208
2 bd · 1 ba · 1,030 ft²
204 Clocktower Dr # 209
2 bd · 1 ba · 1,035 ft²
204 Clocktower Dr # 210
2 bd · 1 ba · 1,035 ft²
204 Clocktower Dr # 211
2 bd · 1 ba · 1,035 ft²
204 Clocktower Dr # 212
2 bd · 1 ba · 1,030 ft²
204 Clocktower Dr # 213
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 301
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 302
2 bd · 1 ba · 970 ft²
204 Clocktower Dr # 303
2 bd · 1 ba · 970 ft²
204 Clocktower Dr # 304
2 bd · 1 ba · 970 ft²
204 Clocktower Dr # 305
2 bd · 2 ba · 1,140 ft²
204 Clocktower Dr # 306
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 307
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 308
2 bd · 2 ba · 1,325 ft²
204 Clocktower Dr # 309
2 bd · 2 ba · 1,325 ft²
204 Clocktower Dr # 310
2 bd · 2 ba · 1,325 ft²
204 Clocktower Dr # 311
2 bd · 2 ba · 1,325 ft²
204 Clocktower Dr # 312
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 401
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 402
2 bd · 1 ba · 970 ft²
204 Clocktower Dr # 403
2 bd · 1 ba · 970 ft²
204 Clocktower Dr # 404
2 bd · 1 ba · 970 ft²
204 Clocktower Dr # 405
2 bd · 2 ba · 1,140 ft²
204 Clocktower Dr # 406
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 407
2 bd · 2 ba · 1,465 ft²
204 Clocktower Dr # 408
2 bd · 2 ba · 1,325 ft²
204 Clocktower Dr # 409
2 bd · 2 ba · 1,325 ft²
204 Clocktower Dr # 410
2 bd · 2 ba · 1,325 ft²
204 Clocktower Dr # 411
2 bd · 2 ba · 1,325 ft²
204 Clocktower Dr # 412
2 bd · 2 ba · 1,465 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 204 Clocktower Dr
How many units are in 204 Clocktower Dr, Waltham, MA?
204 Clocktower Dr, Waltham, MA has 49 residential units across 4 floors, built in 2009, according to county assessor records.
What is a unit at 204 Clocktower Dr, Waltham, MA worth?
The median TopHap Estimate across the 49 units at 204 Clocktower Dr, Waltham, MA is $699,234. That works out to $592 per square foot. Units run from 960 to 1,465 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 204 Clocktower Dr, Waltham, MA expensive for Waltham?
Units at 204 Clocktower Dr, Waltham, MA carry a median of $592 per square foot, 4% above the Waltham median of $570 per square foot.
How often do units sell at 204 Clocktower Dr, Waltham, MA?
1 units at 204 Clocktower Dr, Waltham, MA sold in the last 12 months, out of 102 recorded arms-length sales all time. That is a turnover rate of 2.0% of the building per year. The median sale over that period was $835K.
Have units at 204 Clocktower Dr, Waltham, MA appreciated?
Across 51 repeat sales of the same unit, 204 Clocktower Dr, Waltham, MA returned a median 3.7% 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 6.2 years.
What floor plans does 204 Clocktower Dr, Waltham, MA have?
The most common plan at 204 Clocktower Dr, Waltham, MA is a 2-bedroom of 1,465 square feet, repeated 16 times, with a median estimate of $830,548. TopHap identifies 7 recurring plans in the building.
More homes on Clocktower Dr
- 204 Clocktower Dr # 307$834K2 bd · 2 ba · 1,465 ft² · Sold $835K · Sep 2026
- 87 Clocktower Dr # 203$769K2 bd · 2 ba · 1,490 ft² · Sold $770K · Aug 2026
- 107 Clocktower Dr # 407$653K1 bd · 1 ba · 920 ft² · Sold $655K · May 2026
- 170 Clocktower Dr # 103$567K2 bd · 1 ba · 960 ft² · Sold $570K · Apr 2026
- 107 Clocktower Dr$464K1 bd · 1 ba · 920 ft² · Sold $790K · Mar 2026
- 170 Clocktower Dr # 104$477K2 bd · 1 ba · 960 ft² · Sold $231K · Jan 2026
- 132 Clocktower Dr # 209$566K1 bd · 1 ba · 1,035 ft² · Sold $570K · Dec 2025
- 204 Clocktower Dr # 206$758K2 bd · 2 ba · 1,465 ft² · Sold $765K · Aug 2025
- 204 Clocktower Dr # 202$553K2 bd · 1 ba · 960 ft² · Sold $559K · Jun 2025
- 107 Clocktower Dr # 303$767K2 bd · 2 ba · 1,490 ft² · Sold $775K · May 2025
- 107 Clocktower Dr # 405$841K2 bd · 2 ba · 1,705 ft² · Sold $850K · May 2025
- 107 Clocktower Dr # 208$762K2 bd · 2 ba · 1,295 ft² · Sold $770K · Apr 2025
Closest homes
- 170 Clocktower Dr$567K0 ft · 2 bd · 1 ba · 960 ft² · Sold $570K · Apr 2026
- 170 Clocktower Dr$456K0 ft · 2 bd · 1 ba · 1,030 ft² · Sold $220K · Dec 2008
- 170 Clocktower Dr$831K0 ft · 2 bd · 2 ba · 1,465 ft² · Sold $540K · Sep 2016
- 170 Clocktower Dr$820K0 ft · 2 bd · 2 ba · 1,465 ft² · Sold $665K · Dec 2022
- 204 Clocktower Dr$784K0 ft · 2 bd · 2 ba · 1,325 ft² · Sold $381K · Sep 2009
- 204 Clocktower Dr$816K0 ft · 2 bd · 2 ba · 1,465 ft² · Sold $685K · Jan 2023
- 204 Clocktower Dr$766K0 ft · 2 bd · 2 ba · 1,325 ft² · Sold $760K · Jun 2024
- 132 Clocktower Dr$618K0 ft · 1 bd · 1 ba · 960 ft² · Sold $510K · Dec 2022
More homes in Waltham 02452
- 698 Trapelo Rd$1.4M4 bd · 3.5 ba · 2,782 ft² · Sold $1.5M · Oct 2026
- 179 Bishops Forest Dr$1M3 bd · 3.5 ba · 3,099 ft² · Sold $1.2M · Oct 2026
- 58 Albemarle Rd$790K3 bd · 1.5 ba · 1,200 ft² · Sold $790K · Oct 2026
- 501 Lexington St$505K1 bd · 1.5 ba · 993 ft² · Sold $505K · Oct 2026
- 694 Trapelo Rd$1M2 bd · 2 ba · 2,079 ft² · Sold $1M · Sep 2026
- 25 Arcadia Ave$724K2 bd · 1.5 ba · 1,832 ft² · Sold $625K · Sep 2026
- 542 Trapelo Rd$763K3 bd · 1 ba · 1,862 ft² · Sold $760K · Sep 2026
- 600 Trapelo Rd$799K2 bd · 3.5 ba · 1,344 ft² · Sold $800K · Sep 2026
- 1105 Lexington St$405K1 bd · 1 ba · 700 ft² · Sold $405K · Sep 2026
- 45 Gentlemans Way$1.4M3 bd · 3 ba · 3,484 ft² · Sold $1.4M · Aug 2026
- 4 Abbott Rd$834K3 bd · 1.5 ba · 1,931 ft² · Sold $827K · Aug 2026
- 128 Church St$1.3M3 bd · 2.5 ba · 4,531 ft² · Sold $1.3M · Aug 2026
Assigned schools
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