20001 Westerly Ave, Poolesville, MD 20837 Property Records

Montgomery County property record for 20001 Westerly Ave, Poolesville, MD 20837

Property Summary

Property Type	Single Family Home
Details	2.5 ba · 1,966 sqft · built 1976
Lot Size	0.455 acres (19,838 sqft)
Owner	2 Individual Names on File
Last Sale	$123,900 (Jun 1987)
Tax Bill	$5,718 (2025)
Flood Zone	Zone X (minimal risk)
APN	`03-01693563`

Property Details

APN / Parcel Number

Primary APN	`03-01693563`
Alternative APN	`01693563`

Interior

Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	1,966 sqft Living Area
Gross Area	2,450 sqft
1st Floor Area	1,366 sqft
Basement Area	600 sqft
Finished Basement	600 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1976
Effective Year Built	Effective 1976
Architectural Style	Townhouse
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	19,838 sqft (0.455 acres)
Garage Type	Attached
Garage Area	484 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Porch
Porch Area	96 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	01693563
Street Address	20001 WESTERLY AVE
City	POOLESVILLE
State	MD
Zip	20837-2216
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	PRR
Legal Description	WESTERLY SEC 8
Legal Subdivision	WESTERLY
Legal Block	U
Legal Lot Number	8
Jurisdiction	MONTGOMERY MD
Township / Civil Division	3
Census Block Group	3
Census Block	3010
Census Tract	700500

Owner

Source: Montgomery County records · APN 03-01693563

Assessment roll updated August 17, 2026 · Last verified August 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 File
Mailing Address	20001 WESTERLY AVE, POOLESVILLE, MD 20837-2216
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jun 25, 1987 · Amount on Record
Deed Sale	Jun 25, 1987 · Amount on Record
Deed Book / Page	7773 / 757
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Montgomery County records · Assessment roll updated August 17, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	Maryland
County	Montgomery County
Municipality	Poolesville Town
Unified School District	Montgomery County Public Schools (PK - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$458,700 (+5.25%)	$481,600 (-) Land $215,100 Building $266,500
2025	$5,718.00 (+43.45%)	$435,800 (+10.48%)	$481,600 (+16.64%) Land $215,100 Building $266,500
2023		$394,467	$412,900 Land $197,600 Building $215,300
2022	$3,986.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of April 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 in force

Wildfire

Wildfire Risk	Low lower than 80% of the US · above 41% of Maryland
Wildfire Likelihood	0.01% annual chance
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Xfinity Cable	1,200 / 35
T-Mobile USA Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

Based on FCC filings for 209 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	TOWN OF POOLESVILLE serves 6,005 people
Water Source	Groundwater influenced by surface water
Last State Inspection	Jun 2025
Lead	5 ppb (2016–2018) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.