William St, Dover, DE Property Records

Kent County property records for 18 addresses on William St, Dover, DE · Last verified August 2026

William St Highlights

Properties 18
Median Sale Price $230,000
Deeds and Mortgages on File 20
Median Price per Sqft $124
Owner Occupied 67%
Median Annual Tax Bill $791
Median Year Built 1950
Median Ownership Tenure 7 years

Properties on William St

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

15 William St

2 bd · 1 ba · 1,032 sqft · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$205,000Jun 2022 $7912023 —Oct 2017 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2023

125 William St

4 bd · 3 ba · 3,063 sqft · 0.26 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$270,000Apr 2019 $1,6072023 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2023

201 William St

5 bd · 2 ba · 3,249 sqft · 0.8 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$295,000May 2004 $1,8072023 1 Name on Record Owner Occupied AssessorUpdated Oct 2023

210 William St

37,856 sqft · Built 1962 · 2.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,1412023 1 Name on Record Assessor + 1 DocumentUpdated Oct 2023

225 William St

3 bd · 2 ba · 2,002 sqft · 0.319 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$249,999Dec 2021 $1,0802023 —Apr 2021 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2023

301 William St

3 bd · 1 ba · 1,205 sqft · 0.189 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2008 $9122023 1 Name on Record Assessor + 1 DocumentUpdated Oct 2023

309 William St

3 bd · 1 ba · 960 sqft · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
—Feb 2007 $6712023 1 Name on Record AssessorUpdated Oct 2023

311 William St

3 bd · 1 ba · 1,392 sqft · 0.1 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$67,000Sep 2014 $7622023 —Dec 2013 1 Name on Record AssessorUpdated Oct 2023

315 William St

2 bd · 1 ba · 768 sqft · 0.13 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2012 $5732023 —Apr 2011 1 Name on Record AssessorUpdated Oct 2023

319 William St

3 bd · 1 ba · 960 sqft · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$8002023 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2023

321 William St

2 bd · 1 ba · 960 sqft · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$117,900Oct 2019 $7092023 Amount on Record Oct 2016 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2023

425 William St

2 bd · 2 ba · 1,643 sqft · 0.219 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,1682023 1 Name on Record Owner Occupied AssessorUpdated Oct 2023

511 William St

3 bd · 1 ba · 984 sqft · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$103,000Jan 2014 $4772023 1 Name on Record Owner Occupied AssessorUpdated Oct 2023

527 William St

3 bd · 1 ba · 980 sqft · 0.219 acres

Last Sale Tax Bill Prior Sale Owner Records
$71,000Oct 2022 $5102025 Amount on Record Jul 2007 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

611 William St

3 bd · 1 ba · 980 sqft · 0.21 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2007 $7682023 1 Name on Record Owner Occupied AssessorUpdated Oct 2023

612 William St

3 bd · 1 ba · 1,248 sqft · 0.239 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$230,000Nov 2021 $572023 Amount on Record Nov 2019 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2023

621 William St

3 bd · 1.5 ba · 1,488 sqft · 0.21 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$307,000Jan 2024 $1,5392025 Amount on Record Apr 2008 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Apr 2026

710 William St

1.51 acres

Last Sale Tax Bill Prior Sale Owner Records
1 Name on Record Owner Occupied AssessorUpdated Oct 2023

Wildfire Risk on William St

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

Wildfire RiskLow
this street's cells rank at the 1st percentile of exposed land nationally · 4th in Delaware
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
1 of 4 cells directly exposed · 4 adjoin burnable vegetation

Property Records in Nearby Streets