4100 Mount Olney Ln, Olney, MD 20832 Property Records

Montgomery County property record for 4100 Mount Olney Ln, Olney, MD 20832 · Last verified August 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bathrooms	2.5 Baths
Year Built	Built 1971
Square Footage	2,378 sqft Living Area
Lot Size	17,910 sqft (0.411 acres)
Garage	Carport, 330 sqft
Occupancy	Owner Occupied
Last Sale	$449,000 (2013)
Tax Bill	$5,824.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`08-00744350`
Alternative APN	`00744350`

Interior

Full Baths	2.5 Baths
Partial Baths	1 Partial Baths
Building Area	2,378 sqft Living Area
1st Floor	1,378 sqft 1st Floor
Basement Area	1,000 sqft Basement
Finished Basement	1,000 sqft Finished
Stories	1 Stories
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1971
Effective Year Built	Effective 1971
Architectural Style	Townhouse Style
Exterior Material	Brick Exterior
Construction Type	Brick Construction
Roof Material	Composition Shingle Roof
Lot Area	17,910 sqft (0.411 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Carport Garage
Garage Area	330 sqft Garage
Carport	Carport
Carport Area	330 sqft Carport

Exterior Amenities

Deck Area	192 sqft Deck
Patio Area	216 sqft Patio
Porch	Open Porch
Porch Area	36 sqft Porch

Utilities and HVAC

Cooling System	Central Cooling
Heating System	HVAC Heating
Sewage	Municipal Sewage

Location & Zoning

Account Number	00744350
Street Address	4100 MOUNT OLNEY LN
City	OLNEY
State	MD
Zip	20832-1004
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	OLNEY MILL
Legal Subdivision	OLNEY MILL
Legal Block	51
Legal Lot Number	3
Jurisdiction	MONTGOMERY MD
Minor Civil Division	8
Census Blockgroup	1
Census Block	1004
Census Tract	701304

Owner

Source: Montgomery County records · APN 08-00744350

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	Company Name on File
Mailing Address	4100 MOUNT OLNEY LN, OLNEY, MD 20832-1004
Occupancy	Owner Occupied
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Living Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Nov 07, 2013 · Amount on Record
Deed Sale	Nov 07, 2013 · Amount on Record
Deed Book / Page	47935 / 217
Last Transfer Date	Dec 02, 2021
Transfer Doc	0652230304
Record Refreshed	Sep 20, 2026

February 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MONTGOMERY MD
Recording Date	Feb 10, 2022
Property Address	4100 MOUNT OLNEY LN, OLNEY, MD 20832-1004
Document Number	0652230304
Book / Page	65223 / 304
Map Reference	MB 86 PL 9154
Instrument Date	Dec 02, 2021
Transaction Type	Transfer
Record Updated	Jun 07, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	4100 MOUNT OLNEY LN, OLNEY, MD 20832-1004

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		$548,933 (+5.65%)	$607,600 (+16.94%) Land $267,000 Building $340,600
2025	$5,824.00 (-4.43%)	$519,600 (+12.61%) Land $254,200 Building $265,400	$519,600 (-) Land $254,200 Building $265,400
2024	$6,094.00 (+35.84%)
2023		$461,400	$519,600 Land $254,200 Building $265,400
2022	$4,486.00