CondominiumResidential
502 Diamondback Dr
GAITHERSBURG, MD 20878
2019
Year BuiltThe year the home was originally built, according to county records.
Built 201911 floors44 units674–1,294 ft²
$23M
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.
$561K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$602
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
+97.5%vs the Gaithersburg ZIP median sale $/ft² ($305)
Sales Performance
$607K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+15.2%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
3
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
6.8%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.4%per yeartypical hold 3.3 yrsfrom 12 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20192020202120222023202420252026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20192020202120222023202420252026
52 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
44 units$561K · $602/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 · 674 ft²
17 units$413K · $612/ft²
Studio · 0 ba · 1,000 ft²
15 units$590K · $590/ft²
Studio · 0 ba · 1,294 ft²
8 units$646K · $499/ft²
Studio · 0 ba · 825 ft²
4 units$481K · $583/ft²
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.
$396K–$427K
14 units
$437K–$461K
4 units
$500K–$500K
1 unit
$542K–$542K
1 unit
$560K–$580K
6 units
$580K–$615K
9 units
$620K–$646K
6 units
$689K–$690K
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.
Floors 2–3
$600/ft²22 units · +0%
Floors 4–5
$584/ft²21 units · -3%
Floor 11
$532/ft²1 unit · -12%
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 ·05
$647/ft²4 units · +7%
Line ·13
$626/ft²4 units · +4%
Line ·11
$624/ft²4 units · +4%
Line ·09
$609/ft²4 units · +1%
Line ·02
$606/ft²4 units · +1%
Line ·10
$601/ft²4 units · +0%
Line ·06
$592/ft²4 units · -2%
Line ·07
$591/ft²4 units · -2%
Line ·08
$589/ft²4 units · -2%
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.59%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.7%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.6.6 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.20%
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.59%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$568,206
Median tax billThe middle annual property tax bill among the building's units.$5,869
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 404Oct 9, 2026$607,000$469/ft²Unit 502Feb 11, 2026$409,900$608/ft²Unit 212Dec 26, 2025$620,000$479/ft²Unit 513Oct 3, 2025$420,000$623/ft²Unit 415Aug 8, 2025$634,000$490/ft²Unit 210Aug 27, 2024$545,000$661/ft²Unit 309Apr 29, 2024$392,000$582/ft²Unit 305Mar 1, 2024$560,000$560/ft²Unit 506Aug 22, 2023$550,000$550/ft²Unit 505May 24, 2023$580,000$580/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.
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.40
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.
75
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
78
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
34
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.
EHM
Rosemont Elementary SchoolC+
Elementary · Grades PK–5 · 1.5 mi
Gaithersburg High SchoolD+
High · Grades 9–12 · 1.7 mi
Forest Oak Middle SchoolD+
Middle · Grades 6–8 · 3.0 mi
District: Montgomery County Public Schools
Neighborhood · ZIP 20878These 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.62
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.42
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.66,167
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,976 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,457
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$176,656
Average tempThe average temperature here across a full year.54°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.
502 Diamondback Dr # 200
1,294 ft²
502 Diamondback Dr # 202
674 ft²
502 Diamondback Dr # 204
1,294 ft²
502 Diamondback Dr # 205
674 ft²
502 Diamondback Dr # 206
1,000 ft²
502 Diamondback Dr # 207
1,000 ft²
502 Diamondback Dr # 208
1,000 ft²
502 Diamondback Dr # 209
674 ft²
502 Diamondback Dr # 210
825 ft²
502 Diamondback Dr # 211
674 ft²
502 Diamondback Dr # 212
1,294 ft²
502 Diamondback Dr # 213
674 ft²
502 Diamondback Dr # 215
1,294 ft²
502 Diamondback Dr # 302
674 ft²
502 Diamondback Dr # 305
1,000 ft²
502 Diamondback Dr # 306
1,000 ft²
502 Diamondback Dr # 307
1,000 ft²
502 Diamondback Dr # 308
1,000 ft²
502 Diamondback Dr # 309
674 ft²
502 Diamondback Dr # 310
825 ft²
502 Diamondback Dr # 311
674 ft²
502 Diamondback Dr # 313
674 ft²
502 Diamondback Dr # 402
674 ft²
502 Diamondback Dr # 404
1,294 ft²
502 Diamondback Dr # 405
1,000 ft²
502 Diamondback Dr # 406
1,000 ft²
502 Diamondback Dr # 407
1,000 ft²
502 Diamondback Dr # 408
1,000 ft²
502 Diamondback Dr # 409
674 ft²
502 Diamondback Dr # 410
825 ft²
502 Diamondback Dr # 411
674 ft²
502 Diamondback Dr # 412
1,294 ft²
502 Diamondback Dr # 413
674 ft²
502 Diamondback Dr # 415
1,294 ft²
502 Diamondback Dr
674 ft²
502 Diamondback Dr # 505
1,000 ft²
502 Diamondback Dr # 506
1,000 ft²
502 Diamondback Dr # 507
1,000 ft²
502 Diamondback Dr # 508
1,000 ft²
502 Diamondback Dr # 509
674 ft²
502 Diamondback Dr # 510
825 ft²
502 Diamondback Dr # 511
674 ft²
502 Diamondback Dr # 513
674 ft²
502 Diamondback Dr # 1182
1,294 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 502 Diamondback Dr
How many units are in 502 Diamondback Dr, Gaithersburg, MD?
502 Diamondback Dr, Gaithersburg, MD has 44 residential units across 11 floors, built in 2019, according to county assessor records.
What is a unit at 502 Diamondback Dr, Gaithersburg, MD worth?
The median TopHap Estimate across the 44 units at 502 Diamondback Dr, Gaithersburg, MD is $561,461. That works out to $602 per square foot. Units run from 674 to 1,294 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 502 Diamondback Dr, Gaithersburg, MD expensive for Gaithersburg?
Units at 502 Diamondback Dr, Gaithersburg, MD carry a median of $602 per square foot, 98% above the Gaithersburg median of $305 per square foot.
How often do units sell at 502 Diamondback Dr, Gaithersburg, MD?
3 units at 502 Diamondback Dr, Gaithersburg, MD sold in the last 12 months, out of 52 recorded arms-length sales all time. That is a turnover rate of 6.8% of the building per year. The median sale over that period was $607K.
Have units at 502 Diamondback Dr, Gaithersburg, MD appreciated?
Across 12 repeat sales of the same unit, 502 Diamondback Dr, Gaithersburg, MD returned a median 3.4% 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 3.3 years.
What floor plans does 502 Diamondback Dr, Gaithersburg, MD have?
The most common plan at 502 Diamondback Dr, Gaithersburg, MD is a 0-bedroom of 674 square feet, repeated 17 times, with a median estimate of $412,792. TopHap identifies 4 recurring plans in the building.
More homes on Diamondback Dr
- 502 Diamondback Dr # 404$615K1,294 ft² · Sold $607K · Oct 2026
- 510 Diamondback Dr # 368$550K1,000 ft² · Sold $550K · Sep 2026
- 611 Diamondback Dr # 11-B$732K2,676 ft² · Sold $730K · Jul 2026
- 506 Diamondback Dr # 438$588K1,000 ft² · Sold $585K · May 2026
- 637 Diamondback Dr # 17-A$576K1,694 ft² · Sold $570K · Feb 2026
- 502 Diamondback Dr # 502$414K674 ft² · Sold $410K · Feb 2026
- 502 Diamondback Dr # 212$628K1,294 ft² · Sold $620K · Dec 2025
- 510 Diamondback Dr # 469$476K1,000 ft² · Sold $470K · Dec 2025
- 625 Diamondback Dr # 15-A$596K1,753 ft² · Sold $588K · Dec 2025
- 510 Diamondback Dr # 468$567K825 ft² · Sold $560K · Dec 2025
- 502 Diamondback Dr # 513$427K674 ft² · Sold $420K · Oct 2025
- 510 Diamondback Dr # 273$684K1,294 ft² · Sold $34K · Oct 2025
Closest homes
- 510 Diamondback Dr$476K0 ft · 1,000 ft² · Sold $470K · Dec 2025
- 506 Diamondback Dr$565K0 ft · 1,000 ft² · Sold Jan 1900
- 510 Diamondback Dr$412K0 ft · 674 ft² · Sold $395K · Oct 2018
- 510 Diamondback Dr$413K0 ft · 674 ft² · Sold $319K · Jan 2019
- 506 Diamondback Dr$415K0 ft · 674 ft² · Sold Jan 1900
- 506 Diamondback Dr$589K0 ft · 1,000 ft² · Sold $530K · Dec 2022
- 510 Diamondback Dr$412K0 ft · 674 ft² · Sold $321K · Oct 2018
- 510 Diamondback Dr$439K0 ft · 674 ft² · Sold $400K · Jun 2022
More homes in Gaithersburg 20878
- 421 Hydrangea Pl$668K3.5 ba · 2,354 ft² · Sold $668K · Oct 2026
- 12506 Granite Ridge Dr$380K1,143 ft² · Sold $375K · Oct 2026
- 410 Lynette St$870K3.5 ba · 2,444 ft² · Sold $880K · Oct 2026
- 15517 Ambiance Dr$1.1M3.5 ba · 3,872 ft² · Sold $1.1M · Oct 2026
- 709a Main St$514K1,795 ft² · Sold $520K · Oct 2026
- 824 Quince Orchard Blvd$225K1 ba · 1,363 ft² · Sold $217K · Oct 2026
- 12905 Darnestown Rd$831K2.5 ba · 3,286 ft² · Sold $830K · Oct 2026
- 12204 Corbridge Ct$739K2.5 ba · 2,092 ft² · Sold $500K · Oct 2026
- 13 Rich Branch Ct$995K3.5 ba · 3,017 ft² · Sold $1M · Oct 2026
- 15804 Seurat Dr$850K2.5 ba · 2,841 ft² · Sold $810K · Oct 2026
- 12213 Galesville Dr$926K3.5 ba · 3,452 ft² · Sold $918K · Oct 2026
- 11808 Mango Ln$835K3.5 ba · 2,830 ft² · Sold $841K · Oct 2026
Assigned schools
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