I St SW, Washington, DC Property Records

District of Columbia property records for 37 addresses on I St SW, Washington, DC · Last verified August 2026

I St SW Highlights

Properties 187
Median Sale Price $475,000
Deeds and Mortgages on File 189
Median Price per Sqft $570
Owner Occupied 73%
Median Annual Tax Bill $3,219
Median Year Built 2005
Median Ownership Tenure 11 years

Properties on I St SW

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

10 I St SW

171,867 sqft · Built 1962 · 1.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$332,0882025 1 Name on Record AssessorUpdated Apr 2026

25 I St SW

4,918 sqft · Built 1919 · 3.15 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Nov 2025
Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Nov 2025

65 I St SW

21,502 sqft · Built 1906 · 0.489 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2023 $3,8292025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

95 I St SW

10,070 sqft · Built 1906 · 0.191 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2023 $74,5972025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

201 I St SW

8,094 sqft · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Nov 2025

204 I St SW

9,890 sqft · Built 1958 · 0.257 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2001 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

230 I St SW

9,270 sqft · Built 1958 · 0.26 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2001 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

242 I St SW

7,526 sqft · Built 1958 · 0.196 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2001 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

300 I St SW

0.626 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Jul 2026

301 I St SW, #108

2 bd · 2 ba · 992 sqft · 0.045 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$625,000Nov 2017 $6,0832025 Sale Amount Jun 1994 1 Name on Record Assessor + 2 DocumentsUpdated May 2026

319 I St SW, #200

3 bd · 1.5 ba · 1,520 sqft · 0.049 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$115,000Mar 1998 $5,9172025 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

321 I St SW, #201

2 bd · 2 ba · 1,710 sqft · 0.049 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$645,000Oct 2016 $7,2042025 Sale Amount Oct 2006 2 Names on Record Assessor + 2 DocumentsUpdated Nov 2025

323 I St SW, #202

3 bd · 1.5 ba · 1,520 sqft · 0.049 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$840,000Jun 2021 $5,1532025 Sale Amount Jan 2013 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

325 I St SW, #203

3 bd · 2 ba · 1,710 sqft · 0.049 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$7,9462025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

327 I St SW, #204

3 bd · 2 ba · 1,710 sqft · 0.049 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2010 $5,1532025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Nov 2025

329 I St SW, #205

3 bd · 1.5 ba · 1,520 sqft · 0.049 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$669,000Jun 2025 $5,5352025 1 Name on Record Assessor + 1 DocumentUpdated May 2026

331 I St SW, #206

2 bd · 2 ba · 1,710 sqft · 0.049 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$418,000Aug 2009 $5,9172025 Sale Amount Jul 2001 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Nov 2025

333 I St SW, #207

3 bd · 2 ba · 1,710 sqft · 0.049 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$515,000Dec 2025 $5,9172025 Sale Amount Sep 2023 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jan 2026

355 I St SW

151 units · Built 2005 · 486 sq ft

Last Sale Median Tax Bill Median Sale    
$580,000Jun 2026 $3,0402025 $441,000151 units    

390 I St SW

0.558 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Nov 2025

400 I St SW

8,758 sqft · Built 1965 · 0.697 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,9072025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

401 I St SW

72,354 sqft · Built 1964 · 2.71 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Nov 2025

500 I St SW

1.13 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Nov 2025

501 I St SW

47,565 sqft · Built 1964 · 0.837 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,250,000Sep 2025 $143,4322025 —Sep 2014 1 Name on Record Assessor + 1 DocumentUpdated Mar 2026

601 I St SW

3 bd · 3 ba · 1,722 sqft · 0.029 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,040,000Oct 2021 $7,9512025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Nov 2025

611 I St SW

3 bd · 3.5 ba · 1,722 sqft · 0.029 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2016 $7,4142025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

613 I St SW

4 bd · 4 ba · 1,640 sqft · 0.028 acres

Last Sale Tax Bill Prior Sale Owner Records
$925,000Jul 2016 $8,8092025 —Jan 2015 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Nov 2025

615 I St SW

4 bd · 4 ba · 1,968 sqft · 0.022 acres

Last Sale Tax Bill Prior Sale Owner Records
$729,000Oct 2013 $7,0972025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

617 I St SW

6 bd · 3 ba · 1,968 sqft · 0.022 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Nov 2025

619 I St SW

4 bd · 4 ba · 1,968 sqft · 0.022 acres

Last Sale Tax Bill Prior Sale Owner Records
$910,000Apr 2017 $7,8452025 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Nov 2025

621 I St SW

5 bd · 3 ba · 1,968 sqft · 0.022 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Feb 2019 $9,2312025 Sale Amount Nov 1998 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Nov 2025

623 I St SW

4 bd · 3 ba · 1,968 sqft · 0.022 acres

Last Sale Tax Bill Prior Sale Owner Records
$199,540Jan 1998 $3,5082025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

625 I St SW

3 bd · 4 ba · 1,640 sqft · 0.028 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Nov 1996 $26,9482025 1 Name on Record Owner Occupied AssessorUpdated Nov 2025

627 I St SW

4 bd · 4 ba · 1,640 sqft · 0.028 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,0932025 Sale Amount Apr 1995 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Nov 2025

629 I St SW

4 bd · 4 ba · 1,722 sqft · 0.029 acres

Last Sale Tax Bill Prior Sale Owner Records
$650,000Apr 2008 $8,0622025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Nov 2025

801 I St SW

123,478 sqft · Built 1940 · 3.81 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Nov 2025

Property Records in Nearby Streets