645 Constitution Ave
Washington, DC 20002
3 bd 2 ba Built 1878 Lot 1,307 sqft condo_townhome_rowhome_coop
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $605,760 | $673,850 | $1,279,610 | $9,774 |
| 2024 | $572,720 | $667,070 | $1,239,790 | $9,691 |
| 2023 | $549,180 | $635,350 | $1,184,530 | $9,354 |
| 2022 | $519,630 | $603,320 | $1,122,950 | $8,876 |
| 2021 | $498,260 | $597,350 | $1,095,610 | $8,663 |
| 2020 | $483,150 | $573,530 | $1,056,680 | $8,338 |
| 2019 | $458,450 | $560,410 | $1,018,860 | $8,024 |
| 2018 | $435,900 | $523,800 | $959,700 | $7,533 |
| 2017 | $423,310 | $498,660 | $921,970 | $7,220 |
| 2016 | $452,770 | $455,200 | $907,970 | $7,074 |
| 2015 | $427,730 | $400,580 | $828,310 | $6,433 |
| 2014 | $440,290 | $349,340 | $789,630 | $6,115 |
| 2013 | $427,220 | $329,980 | $757,200 | $5,848 |
| 2012 | $447,650 | $303,000 | $750,650 | $5,806 |
| 2011 | $414,040 | $304,920 | $718,960 | $5,537 |
| 2010 | $400,990 | $314,300 | $715,290 | $5,506 |
| 2008 | $359,950 | $354,980 | $714,930 | $5,532 |
| 2007 | $346,870 | $349,630 | $696,500 | $5,601 |
Property facts
Year built
1878
Property type
condo_townhome_rowhome_coop
Stories
—
Beds
3
Baths
2
Living area
—
Lot size
1,307 sqft
ZIP code
20002
City
Washington
Street
Constitution Ave
Coordinates
38.89179, -76.99685
Frequently asked questions
When did 645 Constitution Ave last sell?
No public-record sale is on file for 645 Constitution Ave.
What is the current tax assessment for 645 Constitution Ave?
The most recent total assessment for 645 Constitution Ave (year 2025) is $1,279,610 with $9,774 in property tax.
When was 645 Constitution Ave built?
645 Constitution Ave was built in 1878.
How does 645 Constitution Ave compare to others on Constitution Ave?
We track 8 other properties on Constitution Ave. Browse the list under "Other properties on Constitution Ave" to compare beds, baths, and sale history.
What are the property facts for 645 Constitution Ave?
645 Constitution Ave is a 3 bed, 2 bath, 1,307 sqft lot condo_townhome_rowhome_coop.
Is 645 Constitution Ave a flip candidate?
No — 645 Constitution Ave does not appear in our flips dataset.
Is 645 Constitution Ave a tax-appeal candidate?
No — 645 Constitution Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+3.6%
Implied 1-yr
+14.2%
2026 Q3
$1.08M
2026 Q4
$1.11M
ZIP 20002 — Median Price History + Forecast
Explore nearby
Other properties on Constitution Ave