3812 John Carroll Dr, Olney, MD 20832 Property Records

Montgomery County property record for 3812 John Carroll Dr, Olney, MD 20832

Property Summary

Property Type	Single Family Home
Details	2.5 ba · 2,998 sqft · built 1967
Lot Size	0.488 acres (21,252 sqft)
Owner	2 Individuals on Record
Last Sale	$325,000 (May 2002)
Tax Bill	$9,860 (2025)
Deeds & Mortgages	Mar 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`08-00731335`

Property Details

APN / Parcel Number

Primary APN	`08-00731335`
Alternative APN	`00731335`

Interior

Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	2,998 sqft Living Area
1st Floor Area	2,148 sqft
Basement Area	850 sqft
Finished Basement	850 sqft

Exterior

Year Built	Built 1967
Effective Year Built	Effective 1967
Architectural Style	Townhouse
Exterior Material	Brick
Construction Type	Brick
Roof Material	Composition Shingle
Lot Area	21,252 sqft (0.488 acres)
Garage Type	Carport
Garage Area	312 sqft
Carport	Carport
Carport Area	312 sqft
Parking Spaces	1 Parking Space
Porch	Open Porch
Porch Area	256 sqft
Deck Area	176 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	00731335
Street Address	3812 JOHN CARROLL DR
City	OLNEY
State	MD
Zip	20832-2120
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R200
Legal Description	WILLIAMSBURG VILLAGE SEC 2
Legal Subdivision	WILLIAMSBURG VILLAGE
Legal Block	14
Legal Lot Number	3
Jurisdiction	MONTGOMERY MD
Township / Civil Division	8
Census Block Group	4
Census Block	4009
Census Tract	701312

Owner

Source: Montgomery County assessment roll, as of August 17, 2026

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

Owner of Record	2 Individuals on Record
Mailing Address	3812 JOHN CARROLL DR, OLNEY, MD 20832-2120
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants by the Entirety

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 9, 2002 · Amount on Record
Deed Sale	May 9, 2002 · Amount on Record
Prior Sale	Jul 31, 2001
Deed Document Number	2002238399
Deed Book / Page	21071 / 169
Last Transfer Date	Feb 22, 2021
Transfer Doc	0622820214
Record Updated	Sep 20, 2026

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MONTGOMERY MD
Recording Date	Mar 22, 2021
Property Address	3812 JOHN CARROLL DR, OLNEY, MD 20832-2120
Document Number	0622820214
Book / Page	62282 / 214
Map Reference	MB 81 PL 8299
Instrument Date	Feb 22, 2021
Transaction Type	Transfer
Record Updated	May 31, 2021
Title Company	COMMUNITY TITLE NTWK, COMMUNITY TITLE NETWORK LLC

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	3812 JOHN CARROLL DR, OLNEY, MD 20832-2120

Mortgage

Document Number	62282219
Date	Mar 22, 2021
Instrument	62282/219

Lender

Name	SANDY SPRING BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 1, 2051

Tax Assessment & Valuation

Source: Montgomery County assessment roll, as of August 17, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$788,367 (+0.63%)	$798,300 (+1.9%) Land $307,400 Building $490,900
2025	$9,860.00 (+14.96%)	$783,400 (+35.66%) Land $292,700 Building $490,700	$783,400 (-) Land $292,700 Building $490,700
2024	$8,577.00 (+65.01%)
2023		$577,467	$783,400 Land $292,700 Building $490,700
2022	$5,198.00

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 April 12, 2026 · 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
Nearby Flood Policies	1 in force

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	None beyond ember reach

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	WASHINGTON SUBURBAN SANITARY COMMISSION serves 1,900,000 people · EPA ID MD0150005
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, 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 304 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fiber	980 / 880
T-Mobile Fixed Wireless	100 / 20