400 Royalton Rd, Silver Spring, MD 20901 Property Records

Montgomery County property record for 400 Royalton Rd, Silver Spring, MD 20901

Property Summary

Property Type	Single Family Home
Details	2.5 ba · 2,282 sqft · built 1953
Lot Size	0.188 acres (8,188 sqft)
Owner	2 Individual Names on File
Last Sale	$3,000,000 (Jan 2018)
Tax Bill	$6,915 (2025)
Flood Zone	Zone X (minimal risk)
APN	`13-01379331`

Property Details

APN / Parcel Number

Primary APN	`13-01379331`
Alternative APN	`01379331`

Interior

Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	2,282 sqft Living Area
1st Floor Area	1,079 sqft
Basement Area	663 sqft
Finished Basement	663 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1953
Architectural Style	Bi-Level
Exterior Material	Brick
Construction Type	Brick
Roof Material	Composition Shingle
Lot Area	8,188 sqft (0.188 acres)
Garage Type	Attached
Garage Area	264 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	01379331
Street Address	400 ROYALTON RD
City	SILVER SPRING
State	MD
Zip	20901-1763
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R60
Legal Description	NORTHWOOD KNOLLS
Legal Subdivision	NORTHWOOD KNOLLS
Legal Block	3
Legal Lot Number	14
Jurisdiction	MONTGOMERY MD
Township / Civil Division	13
Census Block Group	4
Census Block	4001
Census Tract	703100

Owner

Source: Montgomery County records · APN 13-01379331

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 Individual Names on File
Mailing Address	400 ROYALTON RD, SILVER SPRING, MD 20901-1763
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants by the Entirety

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	Aug 19, 2016 · Amount on Record
Deed Book / Page	55580 / 340
Record Updated	Sep 20, 2026

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		$594,867 (+0.88%)	$605,200 (+2.63%) Land $218,500 Building $386,700
2025	$6,915.00 (+28.94%)	$589,700 (+12.77%) Land $218,500 Building $371,200	$589,700 (-) Land $218,500 Building $371,200
2023		$522,900	$589,700 Land $218,500 Building $371,200
2022	$5,363.00

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.