418 E Diamond Ave, Gaithersburg, MD 20877 Property Records

Montgomery County property record for 418 E Diamond Ave, Gaithersburg, MD 20877

Property Summary

Property Type	Commercial Office
Details	4,104 sqft · built 1915
Lot Size	0.449 acres (19,564 sqft)
Owner	Company Name on Record
Last Sale	$750,000 (Jul 2024)
Tax Bill	$12,214 (2025)
Deeds & Mortgages	Feb 2019 Mortgage Oct 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`09-03097235`

Property Details

APN / Parcel Number

Primary APN	`09-03097235`
Alternative APN	`03097235`

Interior

Stories	2 Stories
Building Area	4,104 sqft Gross Area
1st Floor Area	3,276 sqft
Basement Area	828 sqft

Exterior

Year Built	Built 1915
Effective Year Built	Effective 1915
Exterior Material	Wood
Construction Type	Wood
Fire Resistance	Wood or Wood & Steel Frame
Lot Area	19,564 sqft (0.449 acres)
View / Lot	Commercial/Industrial
Porch	Open Porch

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC
Sewer	Municipal

Location & Zoning

Account Number	03097235
Street Address	418 E DIAMOND AVE
City	GAITHERSBURG
State	MD
Zip	20877-3018
Property Category	Commercial
Property Type	Commercial > Office > Commercial Office
Local Zoning Code	CBD
Legal Description	JACOBS ADD TO GAITHERSBURG
Legal Subdivision	GAITHERSBURG TOWN
Legal Block	1
Legal Lot Number	2
Jurisdiction	MONTGOMERY MD
Township / Civil Division	9
Census Block Group	1
Census Block	1003
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	4115 EVERETT ST, KENSINGTON, MD 20895-3823
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Date	Document
Feb 14, 2019	Deed of Trust, Mortgage · Commercial Mortgage REVERE BANK
Oct 30, 2020	Deed of Trust, Mortgage · Commercial Mortgage SANDY SPRING BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 23, 2024 · Amount on Record
Deed Sale	Jul 23, 2024 · Amount on Record
Deed Book / Page	68219 / 190
Prior Transfer Date	Aug 18, 2008
Prior Transfer Doc	123287
Record Updated	Sep 20, 2026

February 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MONTGOMERY MD
Property Address	418 E DIAMOND AVE, GAITHERSBURG, MD 20877-3018
Transaction Type	Mortgage
Record Updated	Mar 3, 2021
Title Company	FIRST AMERICAN TITLE INS CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0572140285
Date	Feb 14, 2019
Book Page	57214/285

Lender

Name	REVERE BANK
Type	Bank
Address	LAUREL, MD 20707

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	MONTGOMERY MD
Property Address	418 E DIAMOND AVE, GAITHERSBURG, MD 20877-3018
Transaction Type	Mortgage
Record Updated	Mar 3, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1560 SHELL RD, PASADENA, MD 21122-3232

Mortgage

Document Number	0609530463
Date	Oct 30, 2020
Book Page	60953/463

Lender

Name	SANDY SPRING BANK
Type	Bank
Address	SUNBURY, PA 17801

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

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		$889,500 (+3.93%) Land $262,400 Building $627,100	$889,500 (-) Land $262,400 Building $627,100
2025	$12,214.00 (+5.32%)	$855,833 (+8.54%)	$889,500 (+12.81%) Land $262,400 Building $627,100
2024	$11,597.00 (+10.03%)
2023		$788,500 Land $267,400 Building $521,100	$788,500 Land $267,400 Building $521,100
2022	$10,540.00

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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