16729 Sioux Ln, Gaithersburg, MD 20878 Property Records

Montgomery County property record for 16729 Sioux Ln, Gaithersburg, MD 20878

Property Summary

Property Type	Single Family Home
Details	2.5 ba · 2,874 sqft · built 1976
Lot Size	0.248 acres (10,800 sqft)
Owner	2 Individual Names on File
Last Sale	$360,000 (Nov 2002)
Tax Bill	$6,099 (2025)
Deeds & Mortgages	Apr 2021 Mortgage May 2017 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`06-01728971`

Property Details

APN / Parcel Number

Primary APN	`06-01728971`
Alternative APN	`01728971`

Interior

Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	2,874 sqft Living Area
Gross Area	3,274 sqft
1st Floor Area	1,292 sqft
Basement Area	600 sqft
Finished Basement	600 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1976
Effective Year Built	Effective 1976
Architectural Style	Bi-Level
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	10,800 sqft (0.248 acres)
Garage Type	Attached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces
Deck Area	240 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	01728971
Street Address	16729 SIOUX LN
City	GAITHERSBURG
State	MD
Zip	20878-2044
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R200
Legal Description	QUINCE ORCHARD MANOR
Legal Subdivision	QUINCE ORCHARD MANOR
Legal Block	G
Legal Lot Number	8
Jurisdiction	MONTGOMERY MD
Township / Civil Division	6
Census Block Group	1
Census Block	1033
Census Tract	700610

Owner

16729 Sioux Ln is owned and occupied by two individuals who bought it in November 2002.

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

Owner of Record	2 Individual Names on File
Mailing Address	16729 SIOUX LN, GAITHERSBURG, MD 20878-2044
Occupancy	Owner Occupied
Owner Type	Individual

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
Apr 27, 2021	Deed of Trust, Mortgage · Conventional Mortgage CMG MORTGAGE INC
May 22, 2017	Deed of Trust, Mortgage · Line of Credit CAPITAL ONE NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 1, 2002 · Amount on File
Deed Sale	Nov 1, 2002 · Amount on File
Deed Document Number	2002254357
Deed Book / Page	22133 / 680
Record Updated	Sep 20, 2026

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MONTGOMERY MD
Property Address	16729 SIOUX LN, GAITHERSBURG, MD 20878-2044
Transaction Type	Mortgage
Record Updated	May 26, 2021
Title Company	AMERICAN HOME TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0627660281
Date	Apr 27, 2021
Book Page	62766/281

Lender

Name	CMG MORTGAGE INC
Type	Mortgage Company
Address	SAN RAMON, CA 94583

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	May 1, 2036

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MONTGOMERY MD
Property Address	16729 SIOUX LN, GAITHERSBURG, MD 20878-2044
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0543310446
Date	May 22, 2017
Book Page	54331/446

Lender

Name	CAPITAL ONE NA
Type	Bank
Address	PLANO, TX 75024

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	May 15, 2047

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 16729 Sioux Ln was $6,099.

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		$587,967 (+8.18%)	$632,400 (-) Land $248,400 Building $384,000
2025	$6,099.00	$543,533	$632,400 Land $248,400 Building $384,000
2023		$491,467	$499,100 Land $236,600 Building $262,500
2022	$5,054.00

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

Flood

FEMA maps place 16729 Sioux Ln in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2012.

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
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	3 in force
Nearby Flood Claims	2 (2012–2018)
Claims Outside the SFHA	2 of 2
Most Recent Claim	Aug 2018 · rainfall accumulation

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 16729 Sioux Ln is low, with less than 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 95% of the US · lower than 90% of Maryland
Wildfire Likelihood	Under 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 339 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
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband.

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