512 Dennis Ave, Silver Spring, MD 20901 Property Records

Montgomery County property record for 512 Dennis Ave, Silver Spring, MD 20901

Property Summary

Property Type	Single Family Home
Details	2 ba · 1,832 sqft · built 1953
Lot Size	0.169 acres (7,342 sqft)
Owner	Individual Name on File
Last Sale	$3,000,000 (Jan 2018)
Tax Bill	$4,990 (2025)
Deeds & Mortgages	Nov 2022 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`13-01379535`

Property Details

APN / Parcel Number

Primary APN	`13-01379535`
Alternative APN	`01379535`

Interior

Full Baths	2 Baths
Stories	1 Story
Building Area	1,832 sqft Living Area
1st Floor Area	1,332 sqft
Basement Area	500 sqft
Finished Basement	500 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1953
Architectural Style	Townhouse
Construction Type	Frame
Roof Material	Built-Up Asphalt
Lot Area	7,342 sqft (0.169 acres)
Pool Area	500 sqft
Deck Area	147 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	01379535
Street Address	512 DENNIS AVE
City	SILVER SPRING
State	MD
Zip	20901-1715
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R60
Legal Description	NORTHWOOD KNOLLS
Legal Subdivision	NORTHWOOD KNOLLS
Legal Block	2
Legal Lot Number	5
Jurisdiction	MONTGOMERY MD
Township / Civil Division	13
Census Block Group	4
Census Block	4002
Census Tract	703100

Owner

Source: Montgomery County records · APN 13-01379535

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	Individual Name on File
Mailing Address	512 DENNIS AVE, SILVER SPRING, MD 20901-1715
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jan 31, 2018 · Amount on Record
Deed Sale	Jan 31, 2018 · Amount on Record
Deed Book / Page	55580 / 340
Last Transfer Date	Nov 27, 2020
Transfer Doc	0664890438
Record Updated	Sep 20, 2026

November 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MONTGOMERY MD
Recording Date	Nov 14, 2022
Property Address	512 DENNIS AVE, SILVER SPRING, MD 20901-1715
Document Number	0664890438
Book / Page	66489 / 438
Map Reference	MB 41 PL 2986
Instrument Date	Nov 27, 2020
Transaction Type	Transfer
Record Updated	Nov 25, 2022
Title Company	ACCOMODATION, ACCOMMODATION

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 in Severalty
Address	512 DENNIS AVE, SILVER SPRING, MD 20901-1715

Mortgage

Document Number	0066489443
Date	Nov 14, 2022
Instrument	66489/443

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	158 Months
Due	Jan 01, 2036

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 is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$450,600 (+8.29%)	$519,600 (+24.87%) Land $214,700 Building $304,900
2025	$4,990.00 (-8.09%)	$416,100 (+7.18%) Land $214,700 Building $201,400	$416,100 (-) Land $214,700 Building $201,400
2024	$5,429.00 (+30.79%)
2023		$388,233	$416,100 Land $214,700 Building $201,400
2022	$4,151.00

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	1 in force

Wildfire

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 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	2,000 / 250

May also be available: Radiate Holdings, T-Mobile USA.

Based on FCC filings for 594 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.