16504 Frederick Rd, Mount Airy, MD 21771 Property Records

Howard County property record for 16504 Frederick Rd, Mount Airy, MD 21771

Property Summary

Property Type	Single Family Home
Details	1 ba · 1,701 sqft · built 1956
Lot Size	1.65 acres (71,874 sqft)
Owner	2 Individual Names on Record
Tax Bill	$4,406 (2026)
Flood Zone	Zone X (minimal risk)
APN	`04-318099`

Property Details

APN / Parcel Number

Primary APN	`04-318099`
Alternative APNs	`4318099` `318099`

Interior

Full Baths	1 Bath
Stories	1 Story
Building Area	1,701 sqft Total Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1956
Construction Type	Frame
Roof Material	Built-Up Asphalt
Lot Area	71,874 sqft (1.65 acres)
Deck Area	192 sqft
Shed	1 Shed
Shed Area	560 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Sewer	Connected

Location & Zoning

Account Number	318099
Street Address	16504 FREDERICK RD
City	MOUNT AIRY
State	MD
Zip	21771-3314
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RCDEO
Legal Description	1.654 A 16504 FREDERICK RD LISBON
Jurisdiction	HOWARD MD
Township / Civil Division	4, LISBON
Census Block Group	2
Census Block	2009
Census Tract	604001

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: Howard County records, as of September 4, 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	16504 FREDERICK RD, MOUNT AIRY, MD 21771-3314
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

Source: Howard County assessment roll, as of September 4, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$4,406.00 (-27.72%) Homeowner's exemption	$440,567 (+9.98%)	$520,500 (+29.93%) Land $312,700 Building $207,800
2025	$6,096.00 (+52.82%) Homeowner's exemption	$400,600 (+8.35%) Land $217,700 Building $182,900	$400,600 (-) Land $217,700 Building $182,900
2023		$369,733	$400,600 Land $217,700 Building $182,900
2022	$3,989.00

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 October 31, 2023 · 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
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	1 in force
Nearby Flood Claims	4 (1996–2005)
Claims Outside the SFHA	4 of 4
Most Recent Claim	Jun 2005 · 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	Direct burnable vegetation

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

Internet Providers

Source: FCC Broadband Data Collection, based on 38 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	1,200 / 35
Verizon Fiber · Fixed Wireless in parts of the area	980 / 880
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20