4101 Mount Olney Ln, Olney, MD 20832 Property Records

Montgomery County property record for 4101 Mount Olney Ln, Olney, MD 20832

Property Summary

Property Type	Single Family Home
Details	2.5 ba · 2,468 sqft · built 1971
Lot Size	0.325 acres (14,170 sqft)
Owner	2 Individual Names on File
Last Sale	$201,000 (Nov 1993)
Tax Bill	$3,966 (2025)
Flood Zone	Zone X (minimal risk)
APN	`08-00744213`

Property Details

APN / Parcel Number

Primary APN	`08-00744213`
Alternative APN	`00744213`

Interior

Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	2,468 sqft Living Area
1st Floor Area	1,598 sqft
Basement Area	1 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1971
Architectural Style	Bi-Level
Exterior Material	Brick
Construction Type	Brick
Roof Material	Composition Shingle
Lot Area	14,170 sqft (0.325 acres)
Garage Type	Carport
Garage Area	312 sqft
Carport	Carport
Carport Area	312 sqft
Parking Spaces	1 Parking Space
Porch	Open Porch
Porch Area	352 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	00744213
Street Address	4101 MOUNT OLNEY LN
City	OLNEY
State	MD
Zip	20832-1003
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R200
Legal Description	OLNEY MILL
Legal Subdivision	OLNEY MILL
Legal Block	33
Legal Lot Number	1
Jurisdiction	MONTGOMERY MD
Township / Civil Division	8
Census Block Group	1
Census Block	1006
Census Tract	701304

Owner

Source: Montgomery County records · APN 08-00744213

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	4101 MOUNT OLNEY LN, OLNEY, MD 20832-1003
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Nov 03, 1993 · Amount on Record
Deed Sale	Nov 03, 1993 · Amount on Record
Deed Book / Page	11964 / 470
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
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		$593,900 (+3.22%)	$630,900 (+9.65%) Land $256,800 Building $374,100
2025	$3,966.00 (-17.05%)	$575,400 (+15.57%) Land $244,600 Building $330,800	$575,400 (-) Land $244,600 Building $330,800
2023		$497,867	$575,400 Land $244,600 Building $330,800
2022	$4,781.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of April 12, 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

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; 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)
Xfinity Cable	1,200 / 35
Verizon Fiber	980 / 880
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 239 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	WASHINGTON SUBURBAN SANITARY COMMISSION serves 1,900,000 people
Water Source	Surface water
Last State Inspection	May 2025
Lead	Under 1 ppb (2018–2020) 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 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.