9809 Mainsail Dr, Gaithersburg, MD 20879 Property Records

Montgomery County property record for 9809 Mainsail Dr, Gaithersburg, MD 20879

Property Summary

Property Type	Single Family Home
Details	3.5 ba · 3,282 sqft · built 1987
Lot Size	0.487 acres (21,212 sqft)
Owner	2 Individual Names on File
Last Sale	$500,000 (Nov 2019)
Tax Bill	$6,808 (2025)
Deeds & Mortgages	Jun 2019 Line of Credit Nov 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`09-02482104`

Property Details

APN / Parcel Number

Primary APN	`09-02482104`
Alternative APN	`02482104`

Interior

Full Baths	3.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	3,282 sqft Living Area
Gross Area	3,702 sqft
1st Floor Area	1,500 sqft
Basement Area	750 sqft
Finished Basement	750 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1987
Architectural Style	Bi-Level
Exterior Material	Siding
Roof Material	Composition Shingle
Lot Area	21,212 sqft (0.487 acres)
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces
Deck Area	368 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	02482104
Street Address	9809 MAINSAIL DR
City	GAITHERSBURG
State	MD
Zip	20879-1139
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R200
Legal Description	GOSHEN ESTATES
Legal Subdivision	GOSHEN ESTATES
Legal Block	S
Legal Lot Number	P44
Jurisdiction	MONTGOMERY MD
Township / Civil Division	9
Census Block Group	1
Census Block	1001
Census Tract	700810

Owner

9809 Mainsail Dr is owned and occupied by two individuals who acquired it in October 2020.

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

Owner of Record	2 Individual Names on File
Mailing Address	9809 MAINSAIL DR, GAITHERSBURG, MD 20879-1139
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Tenants by the Entirety

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 6, 2019	Deed of Trust, Mortgage · Line of Credit SANDY SPRING BANK
Nov 10, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage PRESIDENTIAL BANK FSB
Nov 19, 2019	Deed, Transfer · Conventional Mortgage PRESIDENTIAL BANK FSB

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 19, 2019 · Amount on File
Deed Sale	Nov 19, 2019 · Amount on File
Prior Sale	Mar 31, 1987 · Amount on File
Deed Book / Page	58520 / 409
Last Transfer Date	Oct 23, 2020
Transfer Doc	6105000449
Record Updated	Sep 20, 2026

June 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MONTGOMERY MD
Property Address	9809 MAINSAIL DR, GAITHERSBURG, MD 20879-1139
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	MARYLAND TITLE CENTER LLC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0576740160
Date	Jun 6, 2019
Book Page	57674/160

Lender

Name	SANDY SPRING BANK
Type	Bank
Address	OLNEY, MD 20832

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	479 Months
Due	May 20, 2059

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

November 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	MONTGOMERY MD
Recording Date	Nov 10, 2020
Property Address	9809 MAINSAIL DR, GAITHERSBURG, MD 20879-1139
Document Number	0610500449
Book / Page	61050 / 449
Map Reference	MB 131 PL 15187
Instrument Date	Oct 23, 2020
Transaction Type	Transfer
Record Updated	Aug 20, 2021

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants by the Entirety
Address	9809 MAINSAIL DR, GAITHERSBURG, MD 20879-1139

Mortgage

Document Number	0610500454
Date	Nov 10, 2020
Book Page	61050/454

Lender

Name	PRESIDENTIAL BANK FSB
Type	Bank
Address	BETHESDA, MD 20814

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 1, 2050

November 2019: Deed, Transfer

Document Type	Deed
Jurisdiction	MONTGOMERY MD
Recording Date	Nov 19, 2019
Property Address	9809 MAINSAIL DR, GAITHERSBURG, MD 20879-1139
Document Number	0585200409
Book / Page	58520 / 409
Map Reference	MB 131 PL 15187
Instrument Date	Sep 27, 2019
Transaction Type	Transfer
Record Updated	Aug 20, 2021
Title Company	EASTERN TITLE AND SETTLEMENT

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$7,500.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Right of Survivorship
Address	9809 MAINSAIL DR, GAITHERSBURG, MD 20879-1139

Mortgage

Document Number	58520416
Date	Nov 19, 2019
Instrument	58520/416

Lender

Name	PRESIDENTIAL BANK FSB
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	359 Months
Due	Oct 1, 2049

Tax Assessment & Valuation

The 2025 property tax bill for 9809 Mainsail Dr was $6,808.

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		$668,300 (+9.16%) Land $226,700 Building $441,600	$668,300 (-) Land $226,700 Building $441,600
2025	$6,808.00	$612,233	$668,300 Land $226,700 Building $441,600
2023		$500,100 Land $223,000 Building $277,100	$500,100 Land $223,000 Building $277,100
2022	$5,002.00

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

Flood

FEMA maps place 9809 Mainsail Dr in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 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

Wildfire risk around 9809 Mainsail Dr is low, with 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 80% of the US · above 41% of Maryland
Wildfire Likelihood	0.01% annual chance
Exposure	Direct burnable vegetation

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 493 locations within half a mile, as of December 31, 2025

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

May also be available: T-Mobile.

Cell Coverage

5G (outdoors only) and 4G LTE

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