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641 Sligo Ave, Silver Spring, MD 20910 Property Records

Montgomery County property record for 641 Sligo Ave, Silver Spring, MD 20910 · Last verified August 2026

Property Summary

Property TypeApartments (5+ Units)
Details21,035 sqft · built 1957
Lot Size0.424 acres (18,448 sqft)
OwnerCompany Name on File
Last Sale$2,843,000 (Aug 2001)
Tax Bill$30,934 (2025)
Deeds & MortgagesJun 2022 Mortgage
Flood ZoneZone X (minimal risk)
APN13-00989683

Property Details

APN / Parcel Number

Primary APN13-00989683
Alternative APN
  • 00989683

Interior

Units37 Units
Building Area21,035 sqft

Exterior

Year BuiltBuilt 1957
Effective Year BuiltEffective 1957
Lot Area18,448 sqft (0.424 acres)
View / LotCommercial/Industrial

Utilities, Heating & Cooling

SewerMunicipal

Location & Zoning

Account Number00989683
Street Address641 SLIGO AVE
CitySILVER SPRING
StateMD
Zip20910-4767
Property CategoryResidential
Property TypeResidential > Multi-Unit > Apartments (5+ Units)
Legal DescriptionBALIR SEC 2
Legal SubdivisionBLAIR
Legal BlockA
Legal Lot Number17
JurisdictionMONTGOMERY MD
Township / Civil Division13
Census Block Group3
Census Block3007
Census Tract702402

Owner

Source: Montgomery County records · APN 13-00989683

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 RecordCompany Name on File
Mailing Address8630 FENTON ST, 625, SILVER SPRING, MD 20910-3804
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleAug 30, 2001 · Amount on Record
Deed SaleAug 30, 2001 · Amount on Record
Deed Document Number2001216964
Deed Book / Page19614 / 693
Record UpdatedSep 20, 2026

June 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionMONTGOMERY MD
Property Address641 SLIGO AVE, SILVER SPRING, MD 20910-4767
Transaction TypeMortgage
Record UpdatedAug 22, 2022
Title CompanyWALKER TITLE LLC

Transferred To (Grantee/Buyer)

NameVerified Name
Address7309 HELMSDALE RD, BETHESDA, MD 20817-4625

Mortgage

Document Number0659120366
DateJun 21, 2022
Book Page65912/366
Lender
NameHINGHAM INSTITUTION FOR SAVINGS
TypeBank
AddressHINGHAM, MA 02043
Agreement
TypeCommercial Mortgage
AmountAmount Recorded

Tax Assessment & Valuation

Source: Montgomery County records · Assessment roll updated August 17, 2026 · Last verified August 2026

Property Jurisdictions

TypeName
StateMaryland
CountyMontgomery County
Unified School DistrictMontgomery 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.

YearTax BillAssessed ValueAssessed Market Value
2026$2,549,233 (-0.73%)$2,675,800 (-14%) Land $1,097,800 Building $1,578,000
2025$30,934.00 (+32.46%)$2,567,867 (+22.29%)$3,111,400 (+35.51%) Land $1,097,800 Building $2,013,600
2023$2,099,733$2,296,100 Land $980,100 Building $1,316,000
2022$23,354.00

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 240317024023, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearby Flood Policies2 in force
Nearby Flood Claims1 (2018)
Claims Outside the SFHA1 of 1
Most Recent ClaimMay 2018, rainfall accumulation

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
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 538 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
VerizonFiber2,300 / 2,300
XfinityCable2,000 / 2,000
Radiate HoldingsCable1,500 / 50
T-Mobile USAFixed Wireless100 / 20
AT&TFixed Wireless100 / 20

May also be available at this address: Verizon, Starry. Availability varies by address; speeds are provider-advertised maximums, not measured.

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