CondominiumResidential
7 Prospect St
MENDHAM, NJ 07945
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
2008
Year BuiltThe year the home was originally built, according to county records.
Built 20088 floors49 units672–1,205 ft²
$15M
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.
$501K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$587
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
+50.8%vs the Mendham ZIP median sale $/ft² ($389)
Sales Performance
$445K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+6.0%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
3
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
6.1%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+0.7%per yeartypical hold 5.8 yrsfrom 53 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20082010201320152019202120242026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20082010201320152019202120242026
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.
Studio
Studio
49 units$501K · $587/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.
Studio · 0 ba · 781 ft²
9 units$478K · $612/ft²
Studio · 0 ba · 840 ft²
6 units$480K · $572/ft²
Studio · 0 ba · 1,061 ft²
6 units$595K · $561/ft²
Studio · 0 ba · 672 ft²
5 units$473K · $704/ft²
Studio · 0 ba · 724 ft²
5 units$468K · $646/ft²
Studio · 0 ba · 1,031 ft²
5 units$587K · $569/ft²
Studio · 0 ba · 918 ft²
4 units$521K · $567/ft²
Studio · 0 ba · 764 ft²
3 units
Studio · 0 ba · 744 ft²
2 units
One-off layouts
4 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.
$446K–$465K
5 units
$470K–$484K
8 units
$500K–$501K
2 units
$509K–$529K
5 units
$548K–$548K
1 unit
$562K–$569K
2 units
$585K–$590K
3 units
$600K–$613K
3 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 2
$688/ft²1 unit · +17%
Floors 3–4
$587/ft²10 units · +0%
Floor 5
$580/ft²7 units · -1%
Floors 6–7
$609/ft²9 units · +4%
Floor 8
$592/ft²2 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 ·10
$651/ft²4 units · +11%
Line ·04
$614/ft²3 units · +5%
Line ·09
$575/ft²4 units · -2%
Line ·05
$571/ft²3 units · -3%
Line ·08
$561/ft²5 units · -4%
Line ·06
$559/ft²4 units · -5%
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.47%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.14%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.5.5 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.44%
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.38%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$493,199
Median tax billThe middle annual property tax bill among the building's units.$6,097
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 303Jun 22, 2026$440,000$563/ft²Unit 705Feb 17, 2026$503,000$599/ft²Unit 510Aug 20, 2025$445,000$615/ft²Unit 806Apr 7, 2025$420,000$396/ft²Unit 805Nov 8, 2024$442,000$526/ft²Unit 505Nov 4, 2024$410,000$488/ft²Unit 608Jun 3, 2024$482,000$468/ft²Unit 808Mar 13, 2024$420,000$407/ft²Unit 506Oct 26, 2023$490,000$462/ft²Unit 609Aug 31, 2023$415,500$453/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.
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
CountyMORRIS
Lot (acres)The size of the land the home sits on, from county records.0.25
PoolWhether the property has a pool, and what kind, such as in-ground.No
Neighborhood · ZIP 07945These 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.88
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.101
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.41%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.1%
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.10,295
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.510 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$212,259
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$270,274
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.53 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%
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.
7 Prospect St # 201
727 ft²
7 Prospect St # 202
744 ft²
7 Prospect St # 203
744 ft²
7 Prospect St # 301
764 ft²
7 Prospect St # 302
781 ft²
7 Prospect St # 303
781 ft²
7 Prospect St # 304
781 ft²
7 Prospect St # 305
840 ft²
7 Prospect St # 306
1,061 ft²
7 Prospect St # 307
1,205 ft²
7 Prospect St # 308
960 ft²
7 Prospect St # 401
764 ft²
7 Prospect St # 402
781 ft²
7 Prospect St # 403
781 ft²
7 Prospect St # 404
781 ft²
7 Prospect St # 405
840 ft²
7 Prospect St # 406
1,061 ft²
7 Prospect St # 407
672 ft²
7 Prospect St # 408
1,031 ft²
7 Prospect St # 409
748 ft²
7 Prospect St # 410
724 ft²
7 Prospect St # 501
764 ft²
7 Prospect St # 502
781 ft²
7 Prospect St # 503
781 ft²
7 Prospect St # 504
781 ft²
7 Prospect St # 505
840 ft²
7 Prospect St # 506
1,061 ft²
7 Prospect St # 507
672 ft²
7 Prospect St # 508
1,031 ft²
7 Prospect St # 509
918 ft²
7 Prospect St # 510
724 ft²
7 Prospect St # 605
840 ft²
7 Prospect St # 606
1,061 ft²
7 Prospect St # 607
672 ft²
7 Prospect St # 608
1,031 ft²
7 Prospect St # 609
918 ft²
7 Prospect St # 610
724 ft²
7 Prospect St # 705
840 ft²
7 Prospect St # 706
1,061 ft²
7 Prospect St # 707
672 ft²
7 Prospect St # 708
1,031 ft²
7 Prospect St # 709
918 ft²
7 Prospect St # 710
724 ft²
7 Prospect St # 805
840 ft²
7 Prospect St # 806
1,061 ft²
7 Prospect St # 807
672 ft²
7 Prospect St # 808
1,031 ft²
7 Prospect St # 809
918 ft²
7 Prospect St # 810
724 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 7 Prospect St
How many units are in 7 Prospect St, Mendham, NJ?
7 Prospect St, Mendham, NJ has 49 residential units across 8 floors, built in 2008, according to county assessor records.
What is a unit at 7 Prospect St, Mendham, NJ worth?
The median TopHap Estimate across the 49 units at 7 Prospect St, Mendham, NJ is $500,689. That works out to $587 per square foot. Units run from 672 to 1,205 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 7 Prospect St, Mendham, NJ expensive for Mendham?
Units at 7 Prospect St, Mendham, NJ carry a median of $587 per square foot, 51% above the Mendham median of $389 per square foot.
How often do units sell at 7 Prospect St, Mendham, NJ?
3 units at 7 Prospect St, Mendham, NJ sold in the last 12 months, out of 102 recorded arms-length sales all time. That is a turnover rate of 6.1% of the building per year. The median sale over that period was $445K.
Have units at 7 Prospect St, Mendham, NJ appreciated?
Across 53 repeat sales of the same unit, 7 Prospect St, Mendham, NJ returned a median 0.7% 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 5.8 years.
What floor plans does 7 Prospect St, Mendham, NJ have?
The most common plan at 7 Prospect St, Mendham, NJ is a 0-bedroom of 781 square feet, repeated 9 times, with a median estimate of $477,626. TopHap identifies 9 recurring plans in the building.
Closest homes
- 7 Prospect St$600K0 ft · 1,061 ft² · Sold $425K · Jul 2015
- 7 Prospect St$500K0 ft · 727 ft² · Sold $335K · Jul 2020
- 7 Prospect St0 ft · 672 ft² · Sold $332K · Mar 2014
- 7 Prospect St$478K0 ft · 781 ft² · Sold $350K · Dec 2021
- 7 Prospect St$484K0 ft · 781 ft² · Sold $375K · Feb 2008
- 7 Prospect St0 ft · 781 ft² · Sold $278K · Jul 2009
- 7 Prospect St0 ft · 840 ft² · Sold $350K · Mar 2022
- 7 Prospect St$562K0 ft · 918 ft² · Sold $375K · Feb 2021
More homes in Mendham 07945
- 38 Essex Dr$559K1,680 ft² · Sold $559K · Aug 2026
- 33 Galway Dr$690K1,820 ft² · Sold $610K · Aug 2026
- 22 Brockden Dr$1.4M3,575 ft² · Sold $1.3M · Aug 2026
- 10 Babbitt Rd$949K3,132 ft² · Sold $970K · Jul 2026
- 136 South Rd$725K1,740 ft² · Sold $737K · Jul 2026
- 26a W Main St2,428 ft² · Sold $880K · Jul 2026
- 8 Forest Dr$1.8M3,770 ft² · Sold $1.8M · Jul 2026
- 11 Combs Hollow Rd5,662 ft² · Sold $2.2M · Jul 2026
- 74 Dean Rd$845K2,070 ft² · Sold $750K · Jul 2026
- 11 New St$1.1M2,540 ft² · Sold $1.2M · Jul 2026
- 18 Yardley Rd$2.5M6,384 ft² · Sold $2.5M · Jul 2026
- 19 Trout Brook Ln$1.4M4,535 ft² · Sold $1.6M · Jul 2026
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