10403 Insley St, Silver Spring, MD 20902 Property Records

Montgomery County property record for 10403 Insley St, Silver Spring, MD 20902

Property Summary

Property Type	Single Family Home
Details	4 ba · 3,488 sqft · built 1951
Lot Size	0.193 acres (8,391 sqft)
Owner	2 Individual Names on File
Last Sale	$143,000 (Jul 1998)
Tax Bill	$8,496 (2025)
Flood Zone	Zone X (minimal risk)
APN	`13-01104067`

Property Details

APN / Parcel Number

Primary APN	`13-01104067`
Alternative APN	`01104067`

Interior

Full Baths	4 Baths
Stories	2 Stories
Building Area	3,488 sqft Living Area
1st Floor Area	1,532 sqft
Basement Area	484 sqft
Finished Basement	484 sqft

Exterior

Year Built	Built 1951
Effective Year Built	Effective 1951
Architectural Style	Bi-Level
Exterior Material	Brick
Roof Material	Composition Shingle
Lot Area	8,391 sqft (0.193 acres)

Exterior Amenities

Porch	Open Porch
Porch Area	16 sqft
Shed	1 Shed
Shed Area	352 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	01104067
Street Address	10403 INSLEY ST
City	SILVER SPRING
State	MD
Zip	20902-4934
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R60
Legal Description	CARROLL KNOLLS
Legal Subdivision	CARROLL KNOLLS OSTROWS SUB
Legal Block	FF
Legal Lot Number	11
Jurisdiction	MONTGOMERY MD
Township / Civil Division	13
Census Block Group	4
Census Block	4009
Census Tract	704000

Owner

Source: Montgomery County records · APN 13-01104067

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	10403 INSLEY ST, SILVER SPRING, MD 20902-4934
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 01, 1998 · Amount on Record
Deed Sale	Jul 01, 1998 · Amount on Record
Deed Document Number	1998120609
Deed Book / Page	16000 / 102
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 and assessed market value are set for property tax purposes and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$768,833 (+5.74%)	$810,600 (-) Land $292,600 Building $518,000
2025	$8,496.00 (+28.51%)	$727,067 (+12.9%)	$810,600 (+18.28%) Land $292,600 Building $518,000
2023		$643,967	$685,300 Land $267,600 Building $417,700
2022	$6,611.00

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	1 (2014)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Apr 2014 · rainfall accumulation

Wildfire

Wildfire Risk	Not rated no burnable land within 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	2,300 / 2,300
Xfinity Cable	2,000 / 250
Radiate Holdings Cable	1,500 / 50
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 753 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.