504 Carr Ave, Rockville, MD 20850 Property Records

Montgomery County property record for 504 Carr Ave, Rockville, MD 20850

Property Summary

Property TypeSingle Family Home
Details2.5 ba · 1,998 sqft · built 1963
Lot Size0.281 acres (12,256 sqft)
OwnerIndividual Name on File
Last Sale$680,000 (Aug 2021)
Tax Bill$9,520 (2025)
Deeds & MortgagesAug 2021 Sale & Mortgage
Apr 2021 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN04-00233233

Property Details

APN / Parcel Number

Primary APN04-00233233
Alternative APN
  • 00233233

Interior

Full Baths2.5 Baths
Half Baths1 Half Bath
Stories1 Story
Building Area1,998 sqft Living Area
1st Floor Area1,598 sqft
Basement Area400 sqft
Finished Basement400 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1963
Effective Year BuiltEffective 1963
Architectural StyleTownhouse
Exterior MaterialOther
Roof MaterialComposition Shingle
Lot Area12,256 sqft (0.281 acres)
Garage TypeCarport
Garage Area210 sqft
CarportCarport
Carport Area210 sqft
Parking Spaces1 Parking Space
PorchOpen Porch
Porch Area348 sqft
Deck Area399 sqft

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHVAC
SewerMunicipal

Location & Zoning

Account Number00233233
Street Address504 CARR AVE
CityROCKVILLE
StateMD
Zip20850-2110
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR60
Legal DescriptionWEST END PARK SEC 4 7723/694
Legal SubdivisionWEST END PARK
Legal Block14
Legal Lot Number59
JurisdictionMONTGOMERY MD
Township / Civil Division4
Census Block Group4
Census Block4010
Census Tract701004

Owner

504 Carr Ave is owned and occupied by an individual who bought it in August 2021.

Source: Montgomery County records, as of October 9, 2026

Owner of RecordIndividual Name on File
Mailing Address504 CARR AVE, ROCKVILLE, MD 20850-2110
OccupancyOwner Occupied
Owner TypeIndividual
VestingSole Owner

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

DateDocument
Aug 19, 2021Deed, Transfer · Conventional Mortgage
TOWNEBANK MORTGAGE
Apr 12, 2021Deed, Transfer · Conventional Mortgage
JEC ONE LLC

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 19, 2021 · Amount on File
Deed SaleAug 19, 2021 · Amount on File
Prior SaleApr 12, 2021 · Amount on File
Deed Book / Page63802 / 146
Record UpdatedOct 29, 2026

August 2021: Deed, Transfer

Document TypeDeed
JurisdictionMONTGOMERY MD
Recording DateAug 19, 2021
Property Address504 CARR AVE, ROCKVILLE, MD 20850-2110
Document Number0638020146
Book / Page63802 / 146
Map ReferenceMB 72 PL 6870
Instrument DateJul 20, 2021
Transaction TypeTransfer
Record UpdatedAug 11, 2022
Title CompanyKVS TITLE LLC

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$10,200.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants in Severalty
Address504 CARR AVE, ROCKVILLE, MD 20850-2110

Mortgage

Document Number0063802152
DateAug 19, 2021
Instrument63802/152
Lender
NameTOWNEBANK MORTGAGE
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueAug 1, 2051

April 2021: Deed, Transfer

Document TypeDeed
JurisdictionMONTGOMERY MD
Recording DateApr 12, 2021
Property Address504 CARR AVE, ROCKVILLE, MD 20850-2110
Document Number0625020377
Book / Page62502 / 377
Map ReferenceMB 72 PL 6870
Instrument DateJan 29, 2021
Transaction TypeTransfer
Record UpdatedAug 11, 2022
Title CompanyOLDE STONE TITLE, OLDE TOWNE TITLE INC

Transaction

AmountAmount on Record
Loan-to-Value (LTV)LTV on Record
Tax$6,000.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address267 KENTLANDS BLVD # 5048, 5048, GAITHERSBURG, MD 20878-5446

Mortgage

Document Number0062502382
DateApr 12, 2021
Instrument62502/382
Lender
NameJEC ONE LLC
TypeNon-Lending Institution
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term4 Months
DueJul 31, 2021

Tax Assessment & Valuation

The 2025 property tax bill for 504 Carr Ave was $9,520.

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$745,167 (+5.48%)$783,900 (-) Land $398,600 Building $385,300
2025$9,520.00$706,433$783,900 Land $398,600 Building $385,300
2023$616,767$667,700 Land $379,600 Building $288,100
2022$7,262.00

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

Flood

FEMA maps place 504 Carr Ave in Zone X, an area of minimal flood risk.

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
Nearby Flood Policies2 in force

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

The area around 504 Carr Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land within 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 SystemCITY OF ROCKVILLE
serves 52,000 people · EPA ID MD0150003
Water SourceSurface water
Last State InspectionJun 2025
LeadUnder 1 ppb (2018)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
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 413 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fiber
2,300 / 2,300
Xfinity
Cable
2,000 / 250

May also be available: AT&T, T-Mobile.

Nearby Properties on Carr Ave

Nearby Streets

Search Property Records by Address or Parcel Number