509 Mandolin Ct, Gaithersburg, MD 20877 Property Records

Montgomery County property record for 509 Mandolin Ct, Gaithersburg, MD 20877 · Last verified August 2026

Property Highlights

Property Type	Residential > Condominium / Townhouse > Townhouse
Bathrooms	2 Baths
Architecture Style	Townhouse
Year Built	Built 1984
Square Footage	1,007 sqft Living Area
Lot Size	1,800 sqft (0.041 acres)
Garage	Attached, 462 sqft
Occupancy	Owner Occupied
Tax Bill	$4,124.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`09-01907906`
Alternative APN	`01907906`

Interior

Full Baths	2 Baths
Partial Baths	2 Partial Baths
Building Area	1,007 sqft Living Area
1st Floor	532 sqft 1st Floor
Basement Area	1 sqft Basement
Stories	2 Stories

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1984
Architectural Style	Townhouse Style
Exterior Material	Siding Exterior
Roof Material	Composition Shingle Roof
Lot Area	1,800 sqft (0.041 acres)
Garage Type	Attached Garage
Garage Area	462 sqft Garage
Deck Area	190 sqft Deck

Utilities and HVAC

Cooling System	Central Cooling
Heating System	HVAC Heating
Sewage	Municipal Sewage

Location & Zoning

Account Number	01907906
Street Address	509 MANDOLIN CT
City	GAITHERSBURG
State	MD
Zip	20877-3412
Property Usage	Residential Property Usage
Type	Residential > Condominium / Townhouse > Townhouse
Legal Description	AUDUBON SQUARE
Legal Subdivision	AUDUBON SQUARE
Legal Block	A
Legal Lot Number	49
Jurisdiction	MONTGOMERY MD
Minor Civil Division	9
Census Blockgroup	1
Census Block	1000
Census Tract	700725

Owner

Source: Montgomery County records · APN 09-01907906

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	2 Individual Names on File
Mailing Address	509 MANDOLIN CT, GAITHERSBURG, MD 20877-3412
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Nov 30, 2005
Deed Sale	Nov 30, 2005
Prior Sale	Mar 15, 1996 · Amount on Record
Deed Doc Number	200536254
Deed Book / Page	31339 / 734
Transfer Doc	0000066009
Record Refreshed	Sep 20, 2026

May 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	MONTGOMERY MD
Recording Date	May 10, 2018
Property Address	509 MANDOLIN CT, GAITHERSBURG, MD 20877-3412
Document Number	0560010266
Book / Page	056001 / 000266
Instrument Date	Mar 30, 2018
Transaction Type	Transfer
Record Updated	May 24, 2018
Title Company	SETTLEMENT MGMT SERVICES

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$250.00
Amount Accuracy	Confirmed
Additional	Arms Length Transaction Multiple parcels conveyed, unknown impact to APN

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenant/Joint Tenant w/ Right Of Survivorship
Address	525 MANDOLIN CT GAITHERSBURG MD 208773412, GAITHERSBURG, MD 20877-3412
Investor	Possibly a Property Investor

Mortgage

Document Number	560010274
Date	May 10, 2018
Book Page	056001/000274

Lender

Name	CITY LNDG
Address	VIENNA, VA 22182

Agreement

Type	Federal Housing Administration (FHA) Mortgage
Amount	Amount Recorded
Term	360 Months
Due	May 09, 2048

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
Municipality	Gaithersburg City
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		$323,000 (+8.82%) Land $150,000 Building $173,000	$323,000 (-) Land $150,000 Building $173,000
2025	$4,124.00 (+63.78%)	$296,833 (+21.4%)	$323,000 (+32.11%) Land $150,000 Building $173,000
2023		$244,500 (+2.53%) Land $120,000 Building $124,500	$244,500 (-) Land $120,000 Building $124,500
2022	$2,518.00	$238,467	$244,500 Land $120,000 Building $124,500