405 Dennis Ave, Silver Spring, MD 20901 Property Records

Montgomery County property record for 405 Dennis Ave, Silver Spring, MD 20901

Property Summary

Property Type	Single Family Home
Details	2 ba · 1,731 sqft · built 1955
Lot Size	0.175 acres (7,631 sqft)
Owner	2 Company Names on File
Last Sale	$3,000,000 (Jan 2018)
Tax Bill	$4,983 (2025)
Deeds & Mortgages	Nov 2025 Transfer
Flood Zone	Zone X (minimal risk)
APN	`13-01379581`

Property Details

APN / Parcel Number

Primary APN	`13-01379581`
Alternative APN	`01379581`

Interior

Full Baths	2 Baths
Half Baths	2 Half Baths
Stories	1 Story
Building Area	1,731 sqft Living Area
Gross Area	1,981 sqft
1st Floor Area	1,231 sqft
Basement Area	500 sqft
Finished Basement	500 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1955
Effective Year Built	Effective 1955
Architectural Style	Townhouse
Exterior Material	Brick
Construction Type	Brick
Roof Material	Composition Shingle
Lot Area	7,631 sqft (0.175 acres)
Patio Area	250 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	01379581
Street Address	405 DENNIS AVE
City	SILVER SPRING
State	MD
Zip	20901-1714
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R60
Legal Description	NORTHWOOD KNOLLS
Legal Subdivision	NORTHWOOD KNOLLS
Legal Block	1
Legal Lot Number	8
Jurisdiction	MONTGOMERY MD
Township / Civil Division	13
Census Block Group	2
Census Block	2012
Census Tract	703210

Owner

Source: Montgomery County records · APN 13-01379581

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 Company Names on File
Mailing Address	405 DENNIS AVE, SILVER SPRING, MD 20901-1714
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jan 31, 2018 · Amount on Record
Deed Sale	Jan 31, 2018 · Amount on Record
Prior Sale	Jun 04, 1992 · Amount on Record
Deed Book / Page	55580 / 340
Prior Transfer Date	Aug 05, 2011
Prior Transfer Doc	0424860035
Record Updated	Sep 20, 2026

November 2025: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MONTGOMERY MD
Recording Date	Nov 25, 2025
Property Address	405 DENNIS AVE, SILVER SPRING, MD 20901-1714
Document Number	0698710180
Book / Page	69871 / 180
Map Reference	MB 41 PL 2986
Instrument Date	Aug 26, 2025
Transaction Type	Transfer
Record Updated	Dec 15, 2025

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	405 DENNIS AVE, SILVER SPRING, MD 20901-1714

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	405 DENNIS AVE, SILVER SPRING, MD 20901-1714

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		$459,667 (+8.95%)	$535,200 (+26.85%) Land $216,000 Building $319,200
2025	$4,983.00 (-8.13%)	$421,900 (+7.2%) Land $216,000 Building $205,900	$421,900 (-) Land $216,000 Building $205,900
2024	$5,424.00 (+30.76%)
2023		$393,567	$421,900 Land $216,000 Building $205,900
2022	$4,148.00

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	2 in force
Nearby Flood Claims	2 (2020–2025)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Jul 2025 · rainfall accumulation

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.