419 E Diamond Ave, Gaithersburg, MD 20877 Property Records

Montgomery County property record for 419 E Diamond Ave, Gaithersburg, MD 20877

Property Summary

Property Type	Warehouse, Storage
Details	10,017 sqft · built 1986
Lot Size	0.471 acres (20,521 sqft)
Owner	Company Name on Record
Last Sale	$2,300,000 (Feb 2026)
Tax Bill	$26,753 (2025)
Deeds & Mortgages	Feb 2026 Sale & Mortgage Feb 2020 Transfer
Flood Zone	Zone X (minimal risk)
APN	`09-02662534`

Property Details

APN / Parcel Number

Primary APN	`09-02662534`
Alternative APN	`02662534`

Interior

Units	7 Units
Stories	1 Story
Building Area	10,017 sqft Gross Area
1st Floor Area	10,017 sqft

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1986
Construction Type	Brick
Fire Resistance	Masonry Walls, Wood Interior
Lot Area	20,521 sqft (0.471 acres)
View / Lot	Commercial/Industrial

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Space Heater
Sewer	Municipal

Location & Zoning

Account Number	02662534
Street Address	419 E DIAMOND AVE
City	GAITHERSBURG
State	MD
Zip	20877-3069
Property Category	Industrial
Property Type	Industrial > Warehouse, Storage
Local Zoning Code	CBD
Legal Description	PLAT 16157 TRUNNELLS SUB
Legal Subdivision	GAITHERSBURG TOWN
Legal Block	1
Legal Lot Number	2
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	15719 THISTLEBRIDGE DR, ROCKVILLE, MD 20853-3233
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Date	Document
Feb 4, 2026	Special Warranty Deed, Transfer · Stand-Alone First Mortgage M & T BANK
Feb 26, 2020	Quit Claim Deed, Transfer HARBOR CITY RESEARCH INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 4, 2026 · Amount on Record
Deed Sale	Feb 4, 2026 · Amount on Record
Deed Book / Page	70104 / 278
Prior Transfer Date	Dec 24, 2019
Prior Transfer Doc	0591220041
Record Updated	Sep 20, 2026

February 2026: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	MONTGOMERY MD
Recording Date	Feb 4, 2026
Property Address	419 E DIAMOND AVE, GAITHERSBURG, MD 20877-3069
Document Number	0701040278
Book / Page	70104 / 278
Map Reference	MB 140 PL 16157
Instrument Date	Oct 23, 2025
Transaction Type	Transfer
Record Updated	Feb 23, 2026
Title Company	LAND SERVICES USA INC, LAND SERVICES USA LLC

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$11,500.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	15719 THISTLEBRIDGE DR, ROCKVILLE, MD 20853-3233

Mortgage

Document Number	0070104283
Date	Feb 4, 2026
Instrument	70104/283

Lender

Name	M & T BANK
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

February 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	MONTGOMERY MD
Recording Date	Feb 26, 2020
Property Address	419 E DIAMOND AVE, GAITHERSBURG, MD 20877-3069
Document Number	0591220041
Book / Page	059122 / 000041
Instrument Date	Dec 24, 2019
Transaction Type	Transfer
Record Updated	Mar 18, 2020
Title Company	HARBOR CITY RESEARCH INC

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	6 PRESIDENT POINT DR #B1 ANNAPOLIS MD 214031495, B1, ANNAPOLIS, MD 21403-1495

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		$1,757,100 (+2.85%) Land $305,100 Building $1,452,000	$1,757,100 (-) Land $305,100 Building $1,452,000
2025	$26,753.00 (+8.08%)	$1,708,433 (+6.04%)	$1,757,100 (+9.06%) Land $305,100 Building $1,452,000
2024	$24,753.00 (+9.82%)
2023		$1,611,100 Land $277,400 Building $1,333,700	$1,611,100 Land $277,400 Building $1,333,700
2022	$22,539.00

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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