Duncan St, Slidell, LA Property Records

St. Tammany Parish property records for 19 addresses on Duncan St, Slidell, LA · Last verified July 2026

Duncan St Highlights

Properties 19
Median Sale Price $130,950
Deeds and Mortgages on File 18
Median Price per Sqft $103
Owner Occupied 63%
Median Annual Tax Bill $751
Median Year Built 1975
Median Ownership Tenure 7 years

Properties on Duncan St

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

3143 Duncan St

960 sqft · Built 1954 · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1702025 1 Name on Record Owner Occupied AssessorUpdated Feb 2026

3148 Duncan St

1,198 sqft · Built 1975 · Garage

Last Sale Tax Bill Prior Sale Owner Records
$80,000May 2016 $1,6632025 1 Name on Record AssessorUpdated Feb 2026

3159 Duncan St

1,262 sqft · Built 1977

Last Sale Tax Bill Prior Sale Owner Records
$3,011,391— $5502025 1 Name on Record Owner Occupied AssessorUpdated Feb 2026

3162 Duncan St

797 sqft · Built 1975

Last Sale Tax Bill Prior Sale Owner Records
$1732025 1 Name on Record Owner Occupied AssessorUpdated Feb 2026

3169 Duncan St

1,248 sqft · Built 2007 · 0.187 acres

Last Sale Tax Bill Prior Sale Owner Records
$50,000Apr 2025 $1,4672025 —Feb 2025 1 Name on Record AssessorUpdated Jul 2026

3179 Duncan St

1,296 sqft · Built 1978

Last Sale Tax Bill Prior Sale Owner Records
$1,1032025 1 Name on Record Owner Occupied AssessorUpdated Feb 2026

3182 Duncan St

1,344 sqft · Built 1966

Last Sale Tax Bill Prior Sale Owner Records
$95,000Jul 2016 $6712025 —Nov 2015 1 Name on Record Owner Occupied AssessorUpdated Feb 2026

3184 Duncan St

1,494 sqft · Built 1975

Last Sale Tax Bill Prior Sale Owner Records
$155,000Feb 2019 $1,7782025 Amount on Record Mar 2018 2 Names on Record Assessor + 2 DocumentsUpdated Feb 2026

3206 Duncan St

1,314 sqft · Built 1975 · 0.199 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$108,000Apr 2018 $7512025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Apr 2026

3218 Duncan St

1,440 sqft · Built 1970 · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1562025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Feb 2026

3220 Duncan St

1,280 sqft · Built 1975 · Garage

Last Sale Tax Bill Prior Sale Owner Records
$214,000Apr 2020 $6472025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

3221 Duncan St

1,200 sqft · Built 1965

Last Sale Tax Bill Prior Sale Owner Records
$1,4152025 2 Names on Record AssessorUpdated Feb 2026

3222 Duncan St

1,100 sqft · Built 2007 · 0.181 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$66,200Mar 2026 $1,7712025 Amount on Record Jan 2026 1 Name on Record Assessor + 6 DocumentsUpdated Apr 2026

3233 Duncan St

1,248 sqft · Built 1969

Last Sale Tax Bill Prior Sale Owner Records
$130,950Aug 2025 $1922025 —Jun 2011 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Feb 2026

3240 Duncan St

1,483 sqft · Built 1970 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2024 $8072025 1 Name on Record Owner Occupied AssessorUpdated Feb 2026

3241 Duncan St

1,368 sqft · Built 1968 · Garage

Last Sale Tax Bill Prior Sale Owner Records
$259,000May 2019 $1,6562025 1 Name on Record AssessorUpdated Feb 2026

3242 Duncan St

1,794 sqft · Built 1975 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$115,000Oct 2015 $1,1622025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Feb 2026

3251 Duncan St

1,249 sqft · Built 1975 · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,011,391— $7322025 2 Names on Record Owner Occupied AssessorUpdated Feb 2026
Last Sale Tax Bill Prior Sale Owner Records
$1512025 1 Name on Record AssessorUpdated Feb 2026

Wildfire Risk on Duncan St

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to HomesLow
this street's cells rank at the 27th percentile of exposed land nationally · 41st in Louisiana
Wildfire LikelihoodModerate — about 1 in 1,460 per year
ExposureDirect
1 of 2 cells directly exposed · 2 adjoin burnable vegetation

Property Records in Nearby Streets