438 E Diamond Ave, Gaithersburg, MD 20877 Property Records

Montgomery County property record for 438 E Diamond Ave, Gaithersburg, MD 20877

Property Summary

Property Type	Vacant Land
Lot Size	0.308 acres (13,401 sqft)
Owner	Company Name on File
Tax Bill	$4,848 (2025)
Flood Zone	Zone X (minimal risk)
APN	`09-03698715`

Property Details

APN / Parcel Number

Primary APN	`09-03698715`
Alternative APN	`03698715`

Exterior

Lot Area	13,401 sqft (0.308 acres)

Location & Zoning

Account Number	03698715
Street Address	438 E DIAMOND AVE
City	GAITHERSBURG
State	MD
Zip	20877-3018
Property Category	Vacant Land
Property Type	Vacant Land > Uncategorized
Local Zoning Code	CBD
Legal Description	OLDE TOWNE CITY OF GAITHERSBURG
Legal Subdivision	GAITHERSBURG TOWN
Legal Block	L
Legal Lot Number	103
Jurisdiction	MONTGOMERY MD
Township / Civil Division	9
Census Block Group	1
Census Block	1003
Census Tract	700725

Owner

Source: Montgomery County records · APN 09-03698715

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	Company Name on File
Mailing Address	2117 EDGEWARE ST, SILVER SPRING, MD 20905-4216
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Record Updated	Sep 20, 2026

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		$384,400 (+3.13%) Land $384,400	$384,400 (-) Land $384,400
2025	$4,848.00 (+10.16%)	$372,733 (+6.68%) Land $372,733	$384,400 (+10.02%) Land $384,400
2023		$349,400 Land $349,400	$349,400 Land $349,400
2022	$4,401.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of April 12, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Low lower than 98% of the US · lower than 96% of Maryland
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
Xfinity Cable	2,000 / 2,000
Radiate Holdings Cable	1,500 / 50

May also be available: T-Mobile USA.

Based on FCC filings for 212 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	WASHINGTON SUBURBAN SANITARY COMMISSION serves 1,900,000 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.