13 E Diamond Ave, Gaithersburg, MD 20877 Property Records

Montgomery County property record for 13 E Diamond Ave, Gaithersburg, MD 20877

Property Summary

Property Type	Transportation (General)
Details	9,250 sqft
Lot Size	0.077 acres (3,370 sqft)
Owner	Company Name on File
Tax Bill	$225 (2025)
Flood Zone	Zone X (minimal risk)
APN	`09-00821516`

Property Details

APN / Parcel Number

Primary APN	`09-00821516`
Alternative APN	`00821516`

Interior

Stories	1 Story
Building Area	9,250 sqft Gross Area
1st Floor Area	5,250 sqft
Basement Area	4,000 sqft

Exterior

Fire Resistance	Masonry Walls, Wood Interior
Lot Area	3,370 sqft (0.077 acres)
View / Lot	Commercial/Industrial

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC

Location & Zoning

Account Number	00821516
Street Address	13 E DIAMOND AVE
City	GAITHERSBURG
State	MD
Zip	20877-3021
Property Category	Public Works
Property Type	Public Works > Transportation (General)
Local Zoning Code	CBD
Legal Description	SUMMIT HALL R-7-68
Legal Subdivision	GAITHERSBURG TOWN
Legal Block	4
Jurisdiction	MONTGOMERY MD
Township / Civil Division	9
Census Block Group	4
Census Block	4013
Census Tract	700723

Owner

Source: Montgomery County records · APN 09-00821516

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	31 S SUMMIT AVE, GAITHERSBURG, MD 20877-2038
Owner Type	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		$222,800 (+3.89%) Land $51,900 Building $170,900	$222,800 (-) Land $51,900 Building $170,900
2025	$225.00	$214,467 (+8.43%)	$222,800 (+12.64%) Land $51,900 Building $170,900
2023		$197,800 Land $47,200 Building $150,600	$197,800 Land $47,200 Building $150,600
2022	$225.00

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	Not rated no burnable land within 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.