CondominiumResidential
1801 Calvert St
WASHINGTON, DC 20009
162 ft²
Lot SizeThe size of the land the home sits on, from county records.
1911
Year BuiltThe year the home was originally built, according to county records.
Built 19115 floors49 units516–1,026 ft²
$21M
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.
$391K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$597
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.
-12.5%vs the Washington ZIP median sale $/ft² ($682)
Sales Performance
$365K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+53.4%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
2
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
4.1%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+1.5%per yeartypical hold 4.9 yrsfrom 27 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19972004200720102014201720202026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19972004200720102014201720202026
65 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
36 units$373K · $596/ft²
2 bed
13 units$540K · $603/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.
1 bd · 1 ba · 571 ft²
4 units$386K · $676/ft²
1 bd · 1 ba · 609 ft²
4 units$363K · $596/ft²
1 bd · 1 ba · 625 ft²
4 units$377K · $604/ft²
1 bd · 1 ba · 638 ft²
4 units$369K · $578/ft²
2 bd · 2 ba · 1,026 ft²
4 units$595K · $580/ft²
1 bd · 1 ba · 540 ft²
3 units$361K · $668/ft²
2 bd · 2 ba · 872 ft²
3 units$544K · $624/ft²
2 bd · 2 ba · 881 ft²
3 units$534K · $606/ft²
1 bd · 1 ba · 660 ft²
2 units$497K · $753/ft²
One-off layouts
18 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.
$259K–$259K
1 unit
$323K–$350K
6 units
$359K–$395K
19 units
$399K–$430K
9 units
$498K–$534K
6 units
$540K–$549K
3 units
$591K–$633K
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
$615/ft²8 units · +3%
Floor 2
$578/ft²8 units · -3%
Floor 3
$595/ft²8 units · +0%
Floor 4
$621/ft²8 units · +4%
Floor 5
$625/ft²8 units · +5%
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 ·06
$668/ft²5 units · +12%
Line ·08
$644/ft²5 units · +8%
Line ·07
$608/ft²5 units · +2%
Line ·03
$600/ft²5 units · +1%
Line ·02
$595/ft²5 units · +0%
Line ·05
$588/ft²5 units · -1%
Line ·04
$577/ft²5 units · -3%
Line ·01
$574/ft²5 units · -4%
Ownership & Financing
Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.67%
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.14.1 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.60%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$368,654
Median tax billThe middle annual property tax bill among the building's units.$2,855
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 G5May 8, 2026$360,000$662/ft²Unit 208Nov 4, 2025$370,000$648/ft²Unit 204Jul 23, 2025$256,000$410/ft²Unit 204Jan 13, 2025$220,000$352/ft²Unit 508Mar 31, 2022$187,500$328/ft²Unit 205Dec 22, 2020$366,000$574/ft²Unit 206Aug 27, 2020$365,000$676/ft²Unit 305Jan 30, 2020$420,000$658/ft²Unit G7Aug 8, 2019$395,000$639/ft²Unit 103May 7, 2019$433,000$630/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
CountyDistrict Of Columbia
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1985
Lot (acres)The size of the land the home sits on, from county records.0.00
HeatingThe type of heating system in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.No Garage
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.
EH
Oyster-Adams Bilingual School
Elementary · Grades PK–8 · 0.7 mi
Jackson-Reed High SchoolA
High · Grades 9–12 · 2.6 mi
District: District of Columbia Public Schools
Neighborhood · ZIP 20009These 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.117
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 100.33
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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.2.0%
PopulationHow many people live in this area.54,451
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.42,372 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$130,098
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$168,293
Average tempThe average temperature here across a full year.56°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.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.
1801 Calvert St Nw Apt G1
1 bd · 1 ba · 660 ft²
1801 Calvert St Nw Apt G2
1 bd · 1 ba · 660 ft²
1801 Calvert St Nw Apt G3
1 bd · 1 ba · 681 ft²
1801 Calvert St Nw Apt G4
1 bd · 1 ba · 636 ft²
1801 Calvert St Nw # G5
1 bd · 1 ba · 544 ft²
1801 Calvert St Nw Apt G6
1 bd · 1 ba · 674 ft²
1801 Calvert St Nw Apt G7
1 bd · 1 ba · 618 ft²
1801 Calvert St Nw Apt G8
1 bd · 1 ba · 621 ft²
1801 Calvert St Nw # G9
1 bd · 1 ba · 637 ft²
1801 Calvert St Nw Apt 101
1 bd · 1 ba · 780 ft²
1801 Calvert St Nw Apt 102
1 bd · 1 ba · 583 ft²
1801 Calvert St Nw Apt 103
1 bd · 1 ba · 687 ft²
1801 Calvert St Nw Apt 104
1 bd · 1 ba · 689 ft²
1801 Calvert St Nw Apt 105
2 bd · 2 ba · 862 ft²
1801 Calvert St Nw Apt 106
1 bd · 1 ba · 516 ft²
1801 Calvert St Nw Apt 107
1 bd · 1 ba · 688 ft²
1801 Calvert St Nw Apt 108
1 bd · 1 ba · 630 ft²
1801 Calvert St Nw # 201
2 bd · 2 ba · 1,026 ft²
1801 Calvert St Nw Apt 202
1 bd · 1 ba · 609 ft²
1801 Calvert St Nw Apt 203
2 bd · 2 ba · 881 ft²
1801 Calvert St Nw Apt 204
1 bd · 1 ba · 625 ft²
1801 Calvert St Nw Apt 205
1 bd · 1 ba · 638 ft²
1801 Calvert St Nw Apt 206
1 bd · 1 ba · 540 ft²
1801 Calvert St Nw Apt 207
2 bd · 2 ba · 872 ft²
1801 Calvert St Nw Apt 208
1 bd · 1 ba · 571 ft²
1801 Calvert St Nw Apt 301
2 bd · 2 ba · 1,026 ft²
1801 Calvert St Nw Apt 302
1 bd · 1 ba · 609 ft²
1801 Calvert St Nw Apt 303
2 bd · 1 ba · 881 ft²
1801 Calvert St Nw Apt 304
1 bd · 1 ba · 625 ft²
1801 Calvert St Nw Apt 305
1 bd · 1 ba · 638 ft²
1801 Calvert St Nw Apt 306
1 bd · 1 ba · 540 ft²
1801 Calvert St Nw Apt 307
2 bd · 2 ba · 872 ft²
1801 Calvert St Nw Apt 308
1 bd · 1 ba · 571 ft²
1801 Calvert St Nw # 401
2 bd · 2 ba · 1,026 ft²
1801 Calvert St Nw Apt 402
1 bd · 1 ba · 609 ft²
1801 Calvert St Nw Apt 403
2 bd · 2 ba · 881 ft²
1801 Calvert St Nw Apt 404
1 bd · 1 ba · 625 ft²
1801 Calvert St Nw Apt 405
1 bd · 1 ba · 638 ft²
1801 Calvert St Nw Apt 406
1 bd · 1 ba · 553 ft²
1801 Calvert St Nw Apt 407
2 bd · 2 ba · 872 ft²
1801 Calvert St Nw Apt 408
1 bd · 1 ba · 571 ft²
1801 Calvert St Nw Apt 501
2 bd · 2 ba · 1,026 ft²
1801 Calvert St Nw Apt 502
1 bd · 1 ba · 609 ft²
1801 Calvert St Nw Apt 503
2 bd · 2 ba · 881 ft²
1801 Calvert St Nw Apt 504
1 bd · 1 ba · 625 ft²
1801 Calvert St Nw Apt 505
1 bd · 1 ba · 638 ft²
1801 Calvert St Nw Apt 506
1 bd · 1 ba · 540 ft²
1801 Calvert St Nw Apt 507
2 bd · 1 ba · 872 ft²
1801 Calvert St Nw Apt 508
1 bd · 1 ba · 571 ft²
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
About 1801 Calvert St
How many units are in 1801 Calvert St, Washington, DC?
1801 Calvert St, Washington, DC has 49 residential units across 5 floors, built in 1911, according to county assessor records.
What is a unit at 1801 Calvert St, Washington, DC worth?
The median TopHap Estimate across the 49 units at 1801 Calvert St, Washington, DC is $391,299. That works out to $597 per square foot. Units run from 516 to 1,026 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.
Is 1801 Calvert St, Washington, DC expensive for Washington?
Units at 1801 Calvert St, Washington, DC carry a median of $597 per square foot, 13% below the Washington median of $682 per square foot.
How often do units sell at 1801 Calvert St, Washington, DC?
2 units at 1801 Calvert St, Washington, DC sold in the last 12 months, out of 65 recorded arms-length sales all time. That is a turnover rate of 4.1% of the building per year. The median sale over that period was $365K.
Have units at 1801 Calvert St, Washington, DC appreciated?
Across 27 repeat sales of the same unit, 1801 Calvert St, Washington, DC returned a median 1.5% 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 4.9 years.
What floor plans does 1801 Calvert St, Washington, DC have?
The most common plan at 1801 Calvert St, Washington, DC is a 1-bedroom of 571 square feet, repeated 4 times, with a median estimate of $385,956. TopHap identifies 9 recurring plans in the building.
More homes on Calvert St Nw Apt 302
- 1953 Calvert St # 1953$379K1 bd · 1 ba · 774 ft² · Sold $379K · Aug 2026
- 1944 Calvert St4 bd · 3 ba · 2,913 ft² · Sold $1.6M · Aug 2026
- 1953 Calvert St # D$365K1 bd · 1 ba · 756 ft² · Sold $365K · Aug 2026
- 1949 Calvert St # 1949$380K1 bd · 1 ba · 784 ft² · Sold $380K · Aug 2026
- 1855 Calvert St # 102$536K2 bd · 1.5 ba · 962 ft² · Sold $535K · Jul 2026
- 1855 Calvert St # 101$551K2 bd · 1.5 ba · 957 ft² · Sold $550K · Jul 2026
- 2501 Calvert St # 105$249K1 bd · 1 ba · 652 ft² · Sold $250K · Jun 2026
- 2501 Calvert St # 310$573K2 bd · 2 ba · 1,170 ft² · Sold $574K · Jun 2026
- 1801 Calvert St # G5$361K1 bd · 1 ba · 544 ft² · Sold $360K · May 2026
- 2501 Calvert St # 901$528K2 bd · 2 ba · 1,016 ft² · Sold $530K · Apr 2026
- 1915 Calvert St # 301$939K2 bd · 2 ba · 1,439 ft² · Sold $936K · Apr 2026
- 1855 Calvert St # 203$488K2 bd · 2 ba · 935 ft² · Sold $485K · Jan 2026
Closest homes
- 1801 Calvert St Nw Apt 408$399K0 ft · 1 bd · 1 ba · 571 ft² · Sold $346K · Nov 2012
- 1801 Calvert St Nw$350K0 ft · 1 bd · 1 ba · 637 ft² · Sold $365K · Nov 2015
- 1801 Calvert St Nw$596K0 ft · 2 bd · 2 ba · 1,026 ft² · Sold $490K · Jan 2011
- 1801 Calvert St Nw Apt G3$387K0 ft · 1 bd · 1 ba · 681 ft² · Sold $330K · Sep 2005
- 1801 Calvert St Nw Apt 107$417K0 ft · 1 bd · 1 ba · 688 ft² · Sold $373K · Dec 2016
- 1801 Calvert St Nw Apt 505$363K0 ft · 1 bd · 1 ba · 638 ft² · Sold Sep 2000
- 1801 Calvert St Nw Apt 106$377K0 ft · 1 bd · 1 ba · 516 ft² · Sold $332K · Aug 2017
- 1801 Calvert St Nw Apt 101$430K0 ft · 1 bd · 1 ba · 780 ft² · Sold $135K · Oct 2000
More homes in Washington 20009
- 1210 R St Nw2 bd · 2 ba · 1,412 ft² · Sold $957K · Oct 2026
- 1225 Fairmont St Nw$310K2 bd · 1 ba · 618 ft² · Sold $234K · Oct 2026
- 1541 T St Nw$2M5 bd · 4.5 ba · 2,405 ft² · Sold $2.1M · Oct 2026
- 1717 U St Nw5 bd · 3.5 ba · 2,881 ft² · Sold $905K · Oct 2026
- 1734 Swann St Nw3 bd · 2.5 ba · 1,276 ft² · Sold $1.4M · Oct 2026
- 1827 Florida Ave Nw$488K2 bd · 1 ba · 722 ft² · Sold $410K · Oct 2026
- 1826 13th St Nw$750K2 bd · 2 ba · 906 ft² · Sold $750K · Oct 2026
- 1654 Euclid St Nw2 bd · 2 ba · 844 ft² · Sold $690K · Oct 2026
- 2550 17th St Nw$539K1 bd · 1 ba · 643 ft² · Sold $450K · Oct 2026
- 1811 Wyoming Ave Nw$750K2 bd · 1.5 ba · 1,072 ft² · Sold $755K · Sep 2026
- 1735 New Hampshire Ave Nw$725K2 bd · 2 ba · 1,099 ft² · Sold $880K · Sep 2026
- 2023 Kalorama Rd Nw$569K2 bd · 2 ba · 872 ft² · Sold $581K · Sep 2026
Assigned schools
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