431 E Diamond Ave, Gaithersburg, MD 20877 Property Records

Montgomery County property record for 431 E Diamond Ave, Gaithersburg, MD 20877

Property Summary

Property Type	Warehouse, Storage
Details	10,600 sqft · built 1983
Lot Size	0.605 acres (26,336 sqft)
Owner	Company Name on Record
Last Sale	$1,900,000 (Jun 2024)
Tax Bill	$22,413 (2025)
Deeds & Mortgages	Jan 2021 Transfer Aug 2018 Transfer
Flood Zone	Zone X (minimal risk)
APN	`09-02191958`

Property Details

APN / Parcel Number

Primary APN	`09-02191958`
Alternative APN	`02191958`

Interior

Units	8 Units
Stories	1 Story
Building Area	10,600 sqft Gross Area
1st Floor Area	10,600 sqft

Exterior

Year Built	Built 1983
Effective Year Built	Effective 1983
Construction Type	Brick
Fire Resistance	Masonry Walls, Wood Interior
Lot Area	26,336 sqft (0.605 acres)
View / Lot	Commercial/Industrial

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Space Heater
Sewer	Municipal

Location & Zoning

Account Number	02191958
Street Address	431 E DIAMOND AVE
City	GAITHERSBURG
State	MD
Zip	20877-3026
Property Category	Industrial
Property Type	Industrial > Warehouse, Storage
Local Zoning Code	CBD
Legal Description	PAR B EAST DIAMOND SERVICE MALL 14147/82
Legal Subdivision	GAITHERSBURG TOWN
Legal Block	1
Legal Lot Number	B
Jurisdiction	MONTGOMERY MD
Township / Civil Division	9
Census Block Group	1
Census Block	1004
Census Tract	700725

Owner

Source: Montgomery County records, as of August 17, 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 Record
Mailing Address	801 E GUDE DR, ROCKVILLE, MD 20850-1331
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Date	Document
Jan 4, 2021	Quit Claim Deed, Transfer NOT AVAILABLE
Aug 10, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 18, 2024 · Amount on Record
Deed Sale	Jun 18, 2024 · Amount on Record
Prior Sale	Apr 15, 2009
Deed Book / Page	68108 / 392
Prior Transfer Date	Jul 16, 2020
Prior Transfer Doc	0614940119
Record Updated	Sep 20, 2026

January 2021: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MONTGOMERY MD
Recording Date	Jan 4, 2021
Property Address	431 E DIAMOND AVE, GAITHERSBURG, MD 20877-3026
Document Number	0614940119
Book / Page	061494 / 000119
Instrument Date	Jul 16, 2020
Transaction Type	Transfer
Record Updated	Feb 15, 2021
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	431 E DIAMOND AVE GAITHERSBURG MD 208773026, GAITHERSBURG, MD 20877-3026

August 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MONTGOMERY MD
Recording Date	Aug 10, 2018
Property Address	431 E DIAMOND AVE, GAITHERSBURG, MD 20877-3026
Document Number	0564500273
Book / Page	056450 / 000273
Instrument Date	Jul 9, 2018
Transaction Type	Transfer
Record Updated	Aug 21, 2018
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	14612 CHESTERFIELD RD ROCKVILLE MD 208531601, ROCKVILLE, MD 20853-1601

Tax Assessment & Valuation

Source: Montgomery County assessment roll, as of August 17, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,400,600 (+2.99%) Land $391,600 Building $1,009,000	$1,400,600 (-) Land $391,600 Building $1,009,000
2025	$22,413.00 (+9.26%)	$1,359,900 (+6.37%)	$1,400,600 (+9.55%) Land $391,600 Building $1,009,000
2024	$20,514.00 (+10.12%)
2023		$1,278,500 Land $356,000 Building $922,500	$1,278,500 Land $356,000 Building $922,500
2022	$18,628.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective April 12, 2026

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

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

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

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 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	WASHINGTON SUBURBAN SANITARY COMMISSION serves 1,900,000 people · EPA ID MD0150005
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, 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 212 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
Astound Broadband Cable	1,500 / 50

May also be available: T-Mobile.

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