9311 White Rock Ave, Frederick, MD 21702 Property Records

Frederick County property record for 9311 White Rock Ave, Frederick, MD 21702

Property Summary

Property Type	Single Family Home
Details	1 ba · 912 sqft · built 1982
Lot Size	0.212 acres (9,227 sqft)
Owner	2 Individual Names on Record
Last Sale	$4,300 (Jul 1988)
Tax Bill	$2,483 (2025)
Deeds & Mortgages	Jun 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`21-409251`

Property Details

APN / Parcel Number

Primary APN	`21-409251`
Alternative APN	`409251`

Interior

Full Baths	1 Bath
Stories	1 Story
Building Area	912 sqft Living Area
1st Floor Area	912 sqft

Exterior

Year Built	Built 1982
Effective Year Built	Effective 1982
Architectural Style	Conventional
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	9,227 sqft (0.212 acres)
Lot Dimensions	164 ft deep x 83 ft wide

Utilities, Heating & Cooling

Heating Fuel	Electric
Sewer	Municipal

Location & Zoning

Account Number	409251
Street Address	9311 WHITE ROCK AVE
City	FREDERICK
State	MD
Zip	21702-2065
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R3
Legal Description	LOT 31 9227 SQ FT WHITE ROCK AVE. WHITE ROCK
Legal Subdivision	WHITE ROCK
Legal Lot Number	31
Jurisdiction	FREDERICK MD
Township / Civil Division	21, TUSCARORA
Census Block Group	1
Census Block	1003
Census Tract	751301

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Individually Listed	Old National Pike Milestones listed 1975 · 69 contributing resources · NRIS 75002107

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

Source: Frederick County records, as of July 14, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	9311 WHITE ROCK AVE, FREDERICK, MD 21702-2065
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 13, 1988 · Amount on Record
Deed Sale	Jul 13, 1988 · Amount on Record
Prior Sale	Aug 5, 1982 · Amount on Record
Deed Book / Page	1499 / 512
Last Transfer Date	May 31, 2023
Transfer Doc	0164990247
Record Updated	Sep 20, 2026

June 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	FREDERICK MD
Recording Date	Jun 28, 2023
Property Address	9311 WHITE ROCK AVE, FREDERICK, MD 21702-2065
Document Number	0164990247
Book / Page	16499 / 247
Map Reference	MB 3 FO 114
Instrument Date	May 23, 2023
Transaction Type	Transfer
Record Updated	Jul 12, 2023
Title Company	ACCOMODATION, ACCOMMODATION

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	9311 WHITE ROCK AVE, FREDERICK, MD 21702-2065

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	9311 WHITE ROCK AVE, FREDERICK, MD 21702-2065

Tax Assessment & Valuation

Source: Frederick County assessment roll, as of August 4, 2025

Property Jurisdictions

Type	Name
State	Maryland
County	Frederick County
Unified School District	Frederick County Public Schools (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$2,483.00 (+6.07%) Homeowner's exemption	$210,300 (+19.15%)	$227,200 (+28.73%) Land $110,000 Building $117,200
2024	$2,341.00 (+8.58%)
2023	$2,156.00 (+6%)	$176,500 (+6.26%) Land $93,000 Building $83,500	$176,500 (-) Land $93,000 Building $83,500
2022	$2,034.00	$166,100	$176,500 Land $93,000 Building $83,500

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective November 6, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 10 policies
Nearby Flood Policies	10 in force
Nearby Flood Claims	3 (1981–2018)
Claims Outside the SFHA	2 of 3
Most Recent Claim	Nov 2018 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Low lower than 80% of the US · above 41% of Maryland
Wildfire Likelihood	0.01% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	WHITE ROCK serves 256 people · EPA ID MD0100026
Water Source	Groundwater
Last State Inspection	Oct 2023
Lead	Under 1 ppb (2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 86 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Starlink Satellite	280 / 30

Cell Coverage

5G and 4G LTE (outdoors only)

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