511 Mannakee St, Rockville, MD 20850 Property Records

Montgomery County property record for 511 Mannakee St, Rockville, MD 20850

Property Summary

Property Type	Single Family Home
Details	3 ba · 2,218 sqft · built 1966
Lot Size	0.217 acres (9,450 sqft)
Owner	Individual Name on Record
Last Sale	$600,000 (May 2018)
Tax Bill	$9,737 (2025)
Deeds & Mortgages	Dec 2018 Transfer May 2018 Sale
Flood Zone	Zone X (minimal risk)
APN	`04-00235482`

Property Details

APN / Parcel Number

Primary APN	`04-00235482`
Alternative APN	`00235482`

Interior

Full Baths	3 Baths
Stories	1 Story
Building Area	2,218 sqft Living Area
1st Floor Area	1,468 sqft
Basement Area	750 sqft
Finished Basement	750 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1966
Effective Year Built	Effective 1966
Architectural Style	Townhouse
Exterior Material	Brick
Construction Type	Brick
Roof Material	Composition Shingle
Lot Area	9,450 sqft (0.217 acres)
Garage Type	Carport
Garage Area	242 sqft
Carport	Carport
Carport Area	242 sqft
Parking Spaces	1 Parking Space

Exterior Amenities

Porch	Open Porch
Porch Area	132 sqft
Deck Area	302 sqft
Patio Area	100 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	00235482
Street Address	511 MANNAKEE ST
City	ROCKVILLE
State	MD
Zip	20850-1915
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R90
Legal Description	WOODLEY GARDENS
Legal Subdivision	WOODLEY GARDENS
Legal Block	J
Legal Lot Number	18
Jurisdiction	MONTGOMERY MD
Township / Civil Division	4
Census Block Group	4
Census Block	4007
Census Tract	701004

Owner

Source: Montgomery County records, 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	Individual Name on Record
Mailing Address	511 MANNAKEE ST, ROCKVILLE, MD 20850-1915
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 7, 2018	Quit Claim Deed, Transfer OTHER
May 22, 2018	Grant Deed, Transfer PARADIGM TITLE AND ESCROW LLC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 22, 2018 · Amount on Record
Deed Sale	May 22, 2018 · Amount on Record
Prior Sale	Oct 2, 2008
Deed Book / Page	56055 / 446
Last Transfer Date	Nov 26, 2018
Transfer Doc	0569610428
Record Updated	Sep 20, 2026

December 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MONTGOMERY MD
Recording Date	Dec 7, 2018
Property Address	511 MANNAKEE ST, ROCKVILLE, MD 20850-1915
Document Number	0569610428
Book / Page	056961 / 000428
Instrument Date	Nov 26, 2018
Transaction Type	Transfer
Record Updated	Dec 20, 2018
Title Company	OTHER

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	511 MANNAKEE ST ROCKVILLE MD 208501915, ROCKVILLE, MD 20850-1915

May 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MONTGOMERY MD
Recording Date	May 22, 2018
Property Address	511 MANNAKEE ST, ROCKVILLE, MD 20850-1915
Document Number	0560550446
Book / Page	056055 / 000446
Instrument Date	Apr 3, 2018
Transaction Type	Transfer
Record Updated	Jun 12, 2018
Title Company	PARADIGM TITLE AND ESCROW LLC

Transaction

Amount	Amount Recorded
Tax	$600.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Sole Owner
Address	511 MANNAKEE ST ROCKVILLE MD 208501915, ROCKVILLE, MD 20850-1915

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$739,467 (+10.25%)	$808,200 (-) Land $384,700 Building $423,500
2025	$9,737.00 (+11.48%)	$670,733 (+12.76%)	$808,200 (+34.25%) Land $384,700 Building $423,500
2024	$8,734.00 (+15.79%)
2023		$594,833	$602,000 Land $366,300 Building $235,700
2022	$7,543.00

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	2 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 97% of the US · lower than 94% of Maryland
Wildfire Likelihood	Under 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.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF ROCKVILLE serves 52,000 people · EPA ID MD0150003
Water Source	Surface water
Last State Inspection	Jun 2025
Lead	Under 1 ppb (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, 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 413 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber	2,300 / 2,300
Xfinity Cable	2,000 / 250

May also be available: AT&T, T-Mobile.

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