210 E Diamond Ave, Gaithersburg, MD 20877 Property Records

Montgomery County property record for 210 E Diamond Ave, Gaithersburg, MD 20877

Property Summary

Property Type	Retail Stores (Personal Services, Photography, Travel)
Details	8,704 sqft · built 1950
Lot Size	0.225 acres (9,797 sqft)
Owner	Company Name on File
Last Sale	$370,000 (Jun 2022)
Tax Bill	$32,654 (2025)
Flood Zone	Zone X (minimal risk)
APN	`09-00819810`

Property Details

APN / Parcel Number

Primary APN	`09-00819810`
Alternative APN	`00819810`

Interior

Stories	1 Story
Building Area	8,704 sqft Gross Area
1st Floor Area	8,704 sqft

Exterior

Year Built	Built 1950
Effective Year Built	Effective 1950
Construction Type	Brick
Fire Resistance	Masonry Walls, Wood Interior
Lot Area	9,797 sqft (0.225 acres)
View / Lot	Commercial/Industrial
Canopy	1,020 sqft

Utilities, Heating & Cooling

Cooling System	A/C Chilled Water
Heating System	Hot Water
Sewer	Municipal

Location & Zoning

Account Number	00819810
Street Address	210 E DIAMOND AVE
City	GAITHERSBURG
State	MD
Zip	20877-3014
Property Category	Commercial
Property Type	Commercial > Retail > Retail Stores (Personal Services, Photography, Travel)
Local Zoning Code	CBD
Legal Description	DIAMOND AVE
Legal Subdivision	GAITHERSBURG TOWN
Legal Block	4
Jurisdiction	MONTGOMERY MD
Township / Civil Division	9
Census Block Group	4
Census Block	4012
Census Tract	700723

Owner

Source: Montgomery County records · APN 09-00819810

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	20710 SABBATH CT, GAITHERSBURG, MD 20882-4435
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 03, 2022 · Amount on Record
Deed Sale	Jun 03, 2022 · Amount on Record
Deed Book / Page	65851 / 416
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		$2,317,000 (+2.54%) Land $244,900 Building $2,072,100	$2,317,000 (-) Land $244,900 Building $2,072,100
2025	$32,654.00 (+17.04%)	$2,259,533 (+5.36%)	$2,317,000 (+8.04%) Land $244,900 Building $2,072,100
2023		$2,144,600 Land $244,900 Building $1,899,700	$2,144,600 Land $244,900 Building $1,899,700
2022	$27,901.00

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
T-Mobile USA Fixed Wireless	100 / 20

May also be available: AT&T.

Based on FCC filings for 276 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.