413 E Diamond Ave, Gaithersburg, MD 20877 Property Records

Montgomery County property record for 413 E Diamond Ave, Gaithersburg, MD 20877

Property Summary

Property Type	Auto Repair, Garage
Details	4,725 sqft · built 1986
Lot Size	0.308 acres (13,396 sqft)
Owner	2 Individual Names on File
Last Sale	$445,000 (Jul 1999)
Tax Bill	$19,140 (2025)
Flood Zone	Zone X (minimal risk)
APN	`09-02732386`

Property Details

APN / Parcel Number

Primary APN	`09-02732386`
Alternative APN	`02732386`

Interior

Stories	2 Stories
Building Area	4,725 sqft Gross Area
1st Floor Area	4,725 sqft
Fire Sprinklers	Fire Sprinklers

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1986
Construction Type	Brick
Fire Resistance	Masonry Walls, Wood Interior
Lot Area	13,396 sqft (0.308 acres)
View / Lot	Commercial/Industrial

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	02732386
Street Address	413 E DIAMOND AVE
City	GAITHERSBURG
State	MD
Zip	20877-3019
Property Category	Commercial
Property Type	Commercial > Retail > Auto Repair, Garage
Local Zoning Code	CBD
Legal Description	KAHLER SUB
Legal Subdivision	GAITHERSBURG TOWN
Legal Block	1
Legal Lot Number	5
Jurisdiction	MONTGOMERY MD
Township / Civil Division	9
Census Block Group	1
Census Block	1004
Census Tract	700725

Owner

Source: Montgomery County records · APN 09-02732386

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	2 Individual Names on File
Mailing Address	PO BOX 473, BROOKEVILLE, MD 20833-0473
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 20, 1999 · Amount on Record
Deed Sale	Jul 20, 1999 · Amount on Record
Prior Sale	Jul 20, 1999 · Amount on Record
Deed Document Number	1999155576
Deed Book / Page	17313 / 217
Last Transfer Date	Dec 17, 2012
Transfer Doc	0456740083
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		$1,285,700 (+3.13%) Land $199,100 Building $1,086,600	$1,285,700 (-) Land $199,100 Building $1,086,600
2025	$19,140.00 (+8%)	$1,246,700 (+6.67%)	$1,285,700 (+10.01%) Land $199,100 Building $1,086,600
2024	$17,722.00 (+8.57%)
2023		$1,168,700 Land $181,100 Building $987,600	$1,168,700 Land $181,100 Building $987,600
2022	$16,323.00

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.