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7817 Tomlinson Ave, Cabin John, MD 20818 Property Records

Montgomery County property record for 7817 Tomlinson Ave, Cabin John, MD 20818

Property Summary

Property TypeSingle Family Home
Details3.5 ba · 3,325 sqft · built 1987
Lot Size0.293 acres (12,760 sqft)
Owner2 Individual Names on Record
Last Sale$420,000 (Mar 1996)
Tax Bill$13,067 (2025)
Flood ZoneZone X (minimal risk)
APN07-02544550

Property Details

APN / Parcel Number

Primary APN07-02544550
Alternative APN
  • 02544550

Interior

Full Baths3.5 Baths
Half Baths1 Half Bath
Stories2 Stories
Building Area3,325 sqft Living Area
Gross Area3,766 sqft
1st Floor Area1,339 sqft
Basement Area900 sqft
Finished Basement900 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1987
Effective Year BuiltEffective 1987
Architectural StyleBi-Level
Construction TypeFrame
Roof MaterialComposition Shingle
Lot Area12,760 sqft (0.293 acres)
Garage TypeAttached
Garage Area441 sqft
Parking Spaces2 Parking Spaces
PorchOpen Porch
Porch Area147 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemHVAC
SewerMunicipal

Location & Zoning

Account Number02544550
Street Address7817 TOMLINSON AVE
CityCABIN JOHN
StateMD
Zip20818-1306
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR90
Legal DescriptionCABIN JOHN PARK SEC 1 6794/333
Legal SubdivisionCABIN JOHN PARK
Legal Block2
Legal Lot Number190
JurisdictionMONTGOMERY MD
Township / Civil Division7
Census Block Group2
Census Block2000
Census Tract705800

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address7817 TOMLINSON AVE, CABIN JOHN, MD 20818-1306
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 5, 1996 · Amount on Record
Deed SaleMar 5, 1996 · Amount on Record
Deed Document Number199665424
Deed Book / Page13967 / 381
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateMaryland
CountyMontgomery County
Unified School DistrictMontgomery County Public Schools (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$1,230,233 (+9.44%)$1,442,500 (+28.32%) Land $742,900 Building $699,600
2025$13,067.00 (+14.57%)$1,124,100 (+5.44%) Land $675,200 Building $448,900$1,124,100 (-) Land $675,200 Building $448,900
2023$1,066,100$1,124,100 Land $675,200 Building $448,900
2022$11,405.00

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

Flood

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 18 policies
Nearby Flood Policies18 in force
Nearby Flood Claims15 (1979–2022)
Claims Outside the SFHA15 of 15
Most Recent ClaimAug 2022 · other causes

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

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

Wildfire RiskLow
lower than 80% of the US · above 41% of Maryland
Wildfire Likelihood0.01% annual chance
ExposureNone
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 SystemWASHINGTON SUBURBAN SANITARY COMMISSION
serves 1,900,000 people · EPA ID MD0150005
Water SourceSurface water
Last State InspectionMay 2025
LeadUnder 1 ppb (2018–2020)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 297 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fiber · Fixed Wireless in parts of the area		2,300 / 2,300
Xfinity
Cable		2,000 / 250
T-Mobile
Fixed Wireless		100 / 20
AT&T
Fixed Wireless		100 / 20

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