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CondominiumResidential

3507 Bellflower Ln

ROCKVILLE, MD 20852
2021
Year BuiltThe year the home was originally built, according to county records.
Built 20214 floors32 units
$25M
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.
$762K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
—
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

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.
+3.7%per yeartypical hold 2.7 yrsfrom 5 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
20212022202320242025

38 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.

Studio
32 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.

$592K–$596K
2 units
$712K–$727K
3 units
$743K–$781K
17 units
$811K–$825K
2 units
$840K–$840K
1 unit
$931K–$975K
7 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.69%
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.4.9 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.29%
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.42%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$716,015
Median tax billThe middle annual property tax bill among the building's units.$9,009
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 208Apr 8, 2025$796,400Unit 403Nov 15, 2024$700,000Unit 106Jun 27, 2024$769,990Unit 202Aug 17, 2023$725,000Unit 407Dec 14, 2022$725,000Unit 103Apr 14, 2022$570,000Unit 204Jan 19, 2022$757,505Unit 404Dec 16, 2021$787,505Unit 203Dec 2, 2021$593,845Unit 304Dec 2, 2021$757,555

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

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.10
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
16
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
34
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyMONTGOMERY
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Bayard Rustin Elementary SchoolB
Elementary · Grades KG–5 · 0.5 mi
H
Richard Montgomery High SchoolA-
High · Grades 9–12 · 1.0 mi
M
Julius West Middle SchoolA
Middle · Grades 6–8 · 1.1 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20852These 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.128
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.36

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.51,764
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,168 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$117,549
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$148,499
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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.

3507 Bellflower Ln # 101
$596K
3507 Bellflower Ln # 102
$747K
3507 Bellflower Ln # 103
$592K
3507 Bellflower Ln # 104
$747K
3507 Bellflower Ln # 105
$934K
3507 Bellflower Ln # 106
$811K
3507 Bellflower Ln # 107
$765K
3507 Bellflower Ln # 108
$931K
3507 Bellflower Ln # 201
$748K
3507 Bellflower Ln # 202
$743K
3507 Bellflower Ln # 203
$712K
3507 Bellflower Ln # 204
$771K
3507 Bellflower Ln # 205
$936K
3507 Bellflower Ln # 206
$755K
3507 Bellflower Ln # 207
$774K
3507 Bellflower Ln # 208
$840K
3507 Bellflower Ln # 301
$748K
3507 Bellflower Ln # 302
$758K
3507 Bellflower Ln # 303
$718K
3507 Bellflower Ln # 304
$765K
3507 Bellflower Ln # 305
$953K
3507 Bellflower Ln # 306
$727K
3507 Bellflower Ln # 307
$756K
3507 Bellflower Ln # 308
$975K
3507 Bellflower Ln # 401
$781K
3507 Bellflower Ln # 402
$750K
3507 Bellflower Ln # 403
$751K
3507 Bellflower Ln # 404
$825K
3507 Bellflower Ln # 405
$957K
3507 Bellflower Ln # 406
$756K
3507 Bellflower Ln # 407
$771K
3507 Bellflower Ln # 408
$956K

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

About 3507 Bellflower Ln

How many units are in 3507 Bellflower Ln, Rockville, MD?

3507 Bellflower Ln, Rockville, MD has 32 residential units across 4 floors, built in 2021, according to county assessor records.

What is a unit at 3507 Bellflower Ln, Rockville, MD worth?

The median TopHap Estimate across the 32 units at 3507 Bellflower Ln, Rockville, MD is $761,677. Estimates are modelled from recorded sales and assessments, not appraisals.

How often do units sell at 3507 Bellflower Ln, Rockville, MD?

0 units at 3507 Bellflower Ln, Rockville, MD sold in the last 12 months, out of 38 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 3507 Bellflower Ln, Rockville, MD appreciated?

Across 5 repeat sales of the same unit, 3507 Bellflower Ln, Rockville, MD 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 2.7 years.

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