Duncan St, Charleston, SC Property Records

Charleston County property records for 14 addresses on Duncan St, Charleston, SC · Last verified October 2026

Duncan St Highlights

Properties 16
Median Sale Price $625,000
Deeds and Mortgages on File 31
Median Price per Sqft $537
Owner Occupied 38%
Median Annual Tax Bill $7,755
Median Year Built 1852
Median Ownership Tenure 5 years

Properties on Duncan St

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

2 Duncan St

2 bd · 1 ba · 1,226 sqft · built 1851 · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2024 $8,3232025 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

8 Duncan St

5 bd · 3 ba · 2,326 sqft · built 1890 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$420,000May 2003 $7,9202025 Amount on Record Mar 2001 Owner on Record AssessorUpdated Oct 2026

10 Duncan St

2 bd · 2.5 ba · 1,166 sqft · built 1852 · 0.03 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,5002025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

12 Duncan St

2 bd · 2 ba · 1,138 sqft · built 1850 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,000,000Aug 2023 $4,8662025 Amount on Record Jan 2003 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

14 Duncan St

3 bd · 3.5 ba · 1,602 sqft · built 1989 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$545,000Feb 2021 $10,4652025 —Sep 2020 Owner on Record Assessor + 4 DocumentsUpdated Oct 2026
Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Apr 2026

16 Duncan St

3 units · Built 1840 · 337 sq ft

Last Sale Median Tax Bill Median Sale    
$397,000May 2016 $3,8682024 $397,0003 units    

17 Duncan St

3 bd · 2 ba · 1,386 sqft · built 1852 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$625,000Sep 2021 $11,4022025 Amount on Record Apr 2017 2 Owners on Record Owner Occupied Assessor + 6 DocumentsUpdated Oct 2026

18 Duncan St

3 bd · 3 ba · 1,074 sqft · built 1852 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Nov 2019 $7,7552025 2 Owners on Record Assessor + 4 DocumentsUpdated Apr 2026

18 Duncan St, #C

3 bd · 2 ba · 1,080 sqft · built 1850 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$625,000Dec 2021 $12,0202025 Amount on Record Aug 2018 Owner on Record Assessor + 6 DocumentsUpdated Oct 2026

19 Duncan St

2 bd · 2 ba · 1,504 sqft · built 1852 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$808,900Feb 2020 $15,5452025 Amount on Record Jan 2010 2 Owners on Record Assessor + 1 DocumentUpdated Oct 2026

20 Duncan St

2 bd · 2.5 ba · 1,060 sqft · built 1885 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$620,000Jan 2019 $11,8652025 Amount on Record Oct 2016 2 Owners on Record Assessor + 1 DocumentUpdated Apr 2026

21 Duncan St

6 bd · 2 ba · 1,638 sqft · built 1840 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
$510,000Jul 2021 $9,8702025 Amount on Record Dec 2003 Owner on Record Assessor + 2 DocumentsUpdated Oct 2026

22 Duncan St

3 bd · 1.5 ba · 1,176 sqft · built 1973 · 0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2023 $5,9652025 —Nov 2023 Owner on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

Property Records in Nearby Streets