505 Sligo Ave, Silver Spring, MD 20910 Property Records

Montgomery County property record for 505 Sligo Ave, Silver Spring, MD 20910

Property Summary

Property Type	Single Family Home
Details	2 ba · 1,970 sqft · built 1918
Lot Size	0.426 acres (18,570 sqft)
Owner	Company Name on File
Last Sale	$46,250 (Jun 2005)
Tax Bill	$7,263 (2025)
Deeds & Mortgages	Jun 2022 Transfer Jun 2021 Sale
Flood Zone	Zone X (minimal risk)
APN	`13-01397784`

Property Details

APN / Parcel Number

Primary APN	`13-01397784`
Alternative APN	`01397784`

Interior

Full Baths	2 Baths
Stories	1 Story
Building Area	1,970 sqft Living Area
1st Floor Area	1,170 sqft
Basement Area	800 sqft
Finished Basement	800 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1918
Effective Year Built	Effective 1918
Architectural Style	Townhouse
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	18,570 sqft (0.426 acres)
Garage Type	Detached
Garage Area	209 sqft
Parking Spaces	1 Parking Space
Porch	Open Porch
Porch Area	20 sqft
Deck Area	200 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Baseboard
Heating Fuel	Oil
Sewer	Municipal

Location & Zoning

Account Number	01397784
Street Address	505 SLIGO AVE
City	SILVER SPRING
State	MD
Zip	20910-4707
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	RT12.
Legal Description	CISSELS ADD TO SILVER SPRING
Legal Subdivision	CISSELS ADD
Legal Block	1
Legal Lot Number	1
Jurisdiction	MONTGOMERY MD
Township / Civil Division	13
Census Block Group	3
Census Block	3008
Census Tract	702402

Owner

505 Sligo Ave is owned by a company that acquired it in May 2021.

Source: Montgomery County records, as of August 17, 2026

Owner of Record	Company Name on File
Mailing Address	11610 RIVER RD, POTOMAC, MD 20854-1238
Owner Type	Company
Vesting	Company

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Jun 30, 2022	Intrafamily Transfer, Transfer
Jun 23, 2021	Deed, Transfer ACCOMODATION, ACCOMMODATION

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 24, 2005 · Amount on File
Deed Sale	Jun 24, 2005 · Amount on File
Prior Sale	Dec 31, 2002 · Amount on File
Deed Document Number	200520215
Last Transfer Date	May 20, 2021
Transfer Doc	0659810175
Record Updated	Sep 20, 2026

June 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MONTGOMERY MD
Recording Date	Jun 30, 2022
Property Address	505 SLIGO AVE, SILVER SPRING, MD 20910-4707
Document Number	0659810175
Book / Page	65981 / 175
Map Reference	MB 3 PL 209
Instrument Date	May 20, 2021
Transaction Type	Transfer
Record Updated	Sep 21, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name
Address	11610 RIVER RD, POTOMAC, MD 20854-1238

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Severalty
Address	11610 RIVER RD, POTOMAC, MD 20854-1238

June 2021: Deed, Transfer

Document Type	Deed
Jurisdiction	MONTGOMERY MD
Recording Date	Jun 23, 2021
Property Address	505 SLIGO AVE, SILVER SPRING, MD 20910-4707
Document Number	0633310103
Book / Page	63331 / 103
Map Reference	MB 3 PL 209
Instrument Date	Feb 12, 2021
Transaction Type	Transfer
Record Updated	Sep 21, 2023
Title Company	ACCOMODATION, ACCOMMODATION

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Severalty
Address	505 SLIGO AVE, SILVER SPRING, MD 20910-4707

Tax Assessment & Valuation

The 2025 property tax bill for 505 Sligo Ave was $7,263, up 4.7% from the year before.

Source: Montgomery County assessment roll, as of August 17, 2026

Property Jurisdictions

Type	Name
State	Maryland
County	Montgomery County
Unified School District	Montgomery County Public Schools (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$580,667 (+3.72%)	$601,500 (-) Land $354,800 Building $246,700
2025	$7,263.00 (+4.71%)	$559,833	$601,500 Land $354,800 Building $246,700
2024	$6,936.00
2023		$519,767 (+3.84%)	$539,000 (-) Land $354,800 Building $184,200
2022	$6,176.00	$500,533	$539,000 Land $354,800 Building $184,200

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 505 Sligo Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2018.

Source: FEMA National Flood Hazard Layer, effective April 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

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 (2018)
Claims Outside the SFHA	1 of 1
Most Recent Claim	May 2018 · rainfall accumulation

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.

Wildfire

Wildfire risk around 505 Sligo Ave is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 96% of the US · lower than 92% of Maryland
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	WASHINGTON SUBURBAN SANITARY COMMISSION serves 1,900,000 people · EPA ID MD0150005
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, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 538 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Xfinity Cable	2,000 / 2,000
Astound Broadband Cable	1,500 / 50
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Starry.

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