10507 Insley St, Silver Spring, MD 20902 Property Records

Montgomery County property record for 10507 Insley St, Silver Spring, MD 20902 · Last verified August 2026

Property Summary

Property Type	Single Family Home
Details	1.5 ba · 1,647 sqft · built 1953
Lot Size	0.156 acres (6,786 sqft)
Owner	Individual Name on File
Tax Bill	$5,748 (2025)
Flood Zone	Zone X (minimal risk)
APN	`13-01100947`

Property Details

APN / Parcel Number

Primary APN	`13-01100947`
Alternative APN	`01100947`

Interior

Full Baths	1.5 Baths
Half Baths	1 Half Bath
Stories	1 Story
Building Area	1,647 sqft Living Area
1st Floor Area	1,114 sqft
Basement Area	533 sqft
Finished Basement	533 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1953
Architectural Style	Townhouse
Exterior Material	Brick
Construction Type	Brick
Roof Material	Composition Shingle
Lot Area	6,786 sqft (0.156 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	01100947
Street Address	10507 INSLEY ST
City	SILVER SPRING
State	MD
Zip	20902-4936
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	OSTROWS ADD TO CARRO LL KNOLLS 7370/514
Legal Subdivision	CARROLL KNOLLS OSTROWS SUB
Legal Block	PP
Legal Lot Number	4
Jurisdiction	MONTGOMERY MD
Township / Civil Division	13
Census Block Group	4
Census Block	4006
Census Tract	704000

Owner

Source: Montgomery County records · APN 13-01100947

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	9908 AUTUMNWOOD WAY, POTOMAC, MD 20854-2116
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jul 10, 1998
Deed Sale	Jul 10, 1998
Deed Document Number	1998121687
Deed Book / Page	16036 / 451
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		$452,367 (+4.08%)	$470,100 (-) Land $284,200 Building $185,900
2025	$5,748.00 (+17.07%)	$434,633 (+7.56%)	$470,100 (+12.76%) Land $284,200 Building $185,900
2023		$404,067	$416,900 Land $259,200 Building $157,700
2022	$4,910.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Montgomery County (24031C), updated April 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 240317040004, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
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 in reach
Wildfire Likelihood	Negligible
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, availability as of December 31, 2025 · Published October 2026 · based on 753 locations within about half a mile of this property

Provider	Technology	Download / Upload (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

Availability varies by address; speeds are provider-advertised maximums, not measured.