4100 18th St S, Arlington, VA 22204 Property Records

Arlington County property record for 4100 18th St S, Arlington, VA 22204

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,530 sqft · built 1980
Lot Size	0.245 acres (10,682 sqft)
Owner	2 Individual Names on File
Last Sale	$630,000 (Mar 2016)
Tax Bill	$10,998 (2026)
Deeds & Mortgages	Mar 2021 Mortgage Sep 2019 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`27-007-041`

Property Details

APN / Parcel Number

Primary APN	`27-007-041`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	2,530 sqft Living Area
1st Floor Area	2,530 sqft
Basement Area	400 sqft
Game Room	Game Room

Exterior

Year Built	Built 1980
Effective Year Built	Effective 1994
Exterior Material	Other
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	10,682 sqft (0.245 acres)
Garage Type	Detached
Garage Area	456 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Pool Area	640 sqft
Porch	Open Frame Porch
Porch Area	692 sqft
Shed	1 Shed
Shed Area	64 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Hot Water

Location & Zoning

Street Address	4100 18TH ST S
City	ARLINGTON
State	VA
Zip	22204-5144
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-6
Legal Description	LOT 2 MAC CLINCHIE ADDN TO OXFORD HEIGHTS 10682 SQ FT
Legal Subdivision	MAC CLINCHIE ADDN
Legal Block	1
Legal Lot Number	2
Jurisdiction	ARLINGTON VA
Township / Civil Division	ARLINGTON
Census Block Group	1
Census Block	1000
Census Tract	102702

Owner

4100 18th St S is owned and occupied by two individuals who bought it in March 2016.

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

Owner of Record	2 Individual Names on File
Mailing Address	4100 18TH ST S, ARLINGTON, VA 22204-5144
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
Mar 2, 2021	Deed of Trust, Mortgage · Conventional Mortgage MANN MORTGAGE LLC
Sep 26, 2019	Deed of Trust, Mortgage · Conventional Mortgage ARLINGTON CMNTY FCU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 30, 2016 · Amount on File
Deed Sale	Mar 30, 2016 · Amount on File
Prior Sale	Oct 4, 1995 · Amount on File
Deed Document Number	20165777
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ARLINGTON VA
Property Address	4100 18TH ST S, ARLINGTON, VA 22204-5144
Transaction Type	Mortgage
Record Updated	Apr 2, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0100007596
Date	Mar 2, 2021
Instrument	20210100007596

Lender

Name	MANN MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Mar 1, 2051

Interest

Rate Type	Fixed Rate

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ARLINGTON VA
Property Address	4100 18TH ST S, ARLINGTON, VA 22204-5144
Document Number	0100018092
Instrument Date	Sep 26, 2019
Transaction Type	Mortgage
Record Updated	Nov 6, 2019
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	4100 18TH ST S ARLINGTON VA 222045144, ARLINGTON, VA 22204-5144

Mortgage

Document Number	0100018092
Date	Oct 1, 2019
Instrument	100018092

Lender

Name	ARLINGTON CMNTY FCU
Type	Credit Union
Address	FALLS CHURCH, VA 22041

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Sep 30, 2049

Tax Assessment & Valuation

The 2026 property tax bill for 4100 18th St S was $10,998.

Source: Arlington County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	Virginia
County	Arlington County
Unified School District	Arlington County Public Schools (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$10,998.00	$1,044,500 Land $679,500 Building $365,000	$1,044,500 Land $679,500 Building $365,000

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

Flood

FEMA maps place 4100 18th St S in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective December 19, 2025 · 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
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	3 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 4100 18th St S 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 99.1% of the US · lower than 99.6% of Virginia
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None 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 System	ARLINGTON COUNTY serves 215,000 people · EPA ID VA6013010
Water Source	Purchased surface water from several systems
Lead	Under 1 ppb (2023–2025) 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 669 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Xfinity Cable	2,000 / 2,000

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

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