Key Ave, Hagerstown, MD Property Records

Washington County property records for 15 addresses on Key Ave, Hagerstown, MD · Last verified August 2026

Key Ave Highlights

Properties 15
Median Sale Price $275,000
Deeds and Mortgages on File 22
Median Price per Sqft $215
Owner Occupied 67%
Median Annual Tax Bill $1,990
Median Year Built 1963
Median Ownership Tenure 4 years

Properties on Key Ave

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

300 Key Ave

1 ba · 1,680 sqft · 0.396 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$210,520Apr 2018 $2,1392025 Amount on Record Jun 2015 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

303 Key Ave

1 ba · 1,051 sqft · 0.369 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$189,000Dec 2019 $1,7372025 Amount on Record Aug 2019 1 Name on Record Assessor + 5 DocumentsUpdated Aug 2026

307 Key Ave

1.5 ba · 1,144 sqft · 0.367 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$84,900Feb 1991 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

310 Key Ave

2 ba · 2,052 sqft · 0.172 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$102,000Dec 2014 $1,5722025 —Dec 2014 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

311 Key Ave

1 ba · 1,512 sqft · 0.367 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$279,900Apr 2022 $2,4332025 Amount on Record Sep 2002 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

314 Key Ave

2 ba · 2,052 sqft · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$177,000Sep 2006 $1,4952025 Amount on Record Jun 1992 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

315 Key Ave

1 ba · 1,188 sqft · 0.298 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—May 2023 $1,5002025 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

319 Key Ave

2 ba · 1,138 sqft · 0.39 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$155,000Aug 2018 $1,9902025 Amount on Record Jun 2015 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

323 Key Ave

1.5 ba · 1,240 sqft · 0.413 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$275,000Jan 2023 Amount on Record Jun 1986 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

331 Key Ave

2 ba · 1,232 sqft · 0.413 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$265,000Aug 2023 $1,9672025 Amount on Record Feb 2002 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

335 Key Ave

1.5 ba · 1,148 sqft · 0.413 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$359,900Aug 2023 $2,0632025 Amount on Record Apr 2023 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

339 Key Ave

1.5 ba · 1,265 sqft · 0.413 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$350,000Feb 2024 $1,9952025 Amount on Record Aug 2023 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

343 Key Ave

2.5 ba · 1,200 sqft · 0.413 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,9982025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

347 Key Ave

1.5 ba · 1,350 sqft · 0.275 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,4052025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

351 Key Ave

1 ba · 1,392 sqft · 0.321 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,2962025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

Wildfire Risk on Key Ave

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

Wildfire Risk to HomesNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

Property Records in Nearby Streets