Under contract

$650,000

18929 Diary Rd, Gaithersburg, MD 20886

4beds

2,623sqft

Est.:

Single Family Residence

Built in 1969

10,630 Square Feet Lot

$644,700 Zestimate^®

$248/sqft

$165/mo HOA

What's special

One-car garageThoughtfully designed backyardFlagstone patioInviting flagstone front entranceRare buffer of privacyCharming stonework throughout

Welcome home to this beautiful 4-bedrooms , 2-baths Colonial, ideally located in one of the most sought-after communities in Montgomery Village. Set on one of the neighborhood’s best lots, this home offers a rare buffer of privacy and a thoughtfully designed backyard—perfect for relaxing or entertaining. Enjoy charming stonework throughout, a flagstone patio, and multiple tiers of retaining walls that create distinct outdoor living spaces. Inside, the dining room opens to a lovely deck, complemented by a covered and enclosed back porch for year-round enjoyment. Gleaming hardwood floors grace most levels, and the home features a one-car garage and an inviting flagstone front entrance. This well-maintained home truly reflects pride of ownership—just move in, welcome guests, and enjoy.

44 days

104

1

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 3
Full bathrooms: 2
1/2 bathrooms: 1
Main level bathrooms: 1

Basement

Area: 999

Heating

Central, Natural Gas

Cooling

Other, Electric

Appliances

Included: Gas Water Heater

Features

Basement: Exterior Entry,Unfinished,Space For Rooms,Walk-Out Access
Number of fireplaces: 1

Interior area

Total structure area: 3,222
Total interior livable area: 2,623 sqft
Finished area above ground: 2,223
Finished area below ground: 400

Video & virtual tour

View virtual tour

Property

Parking

Total spaces: 1
Parking features: Garage Faces Front, Driveway, Attached
Attached garage spaces: 1
Has uncovered spaces: Yes

Accessibility

Accessibility features: Other

Features

Levels: Three
Stories: 3
Pool features: Community

Lot

Size: 10,630 Square Feet

Details

Additional structures: Above Grade, Below Grade
Parcel number: 160900798625
Zoning: R90
Special conditions: Standard

Construction

Type & style

Home type: SingleFamily
Architectural style: Colonial
Property subtype: Single Family Residence

Materials

Brick
Foundation: Other

Condition

New construction: No
Year built: 1969

Utilities & green energy

Sewer: Public Sewer
Water: Public

Community & HOA

Community

Subdivision: Whetstone

HOA

Has HOA: Yes
Services included: Common Area Maintenance, Recreation Facility, Reserve Funds, Road Maintenance, Snow Removal, Trash, Pool(s)
HOA fee: $494 quarterly

Location

Region: Gaithersburg

Financial & listing details

Price per square foot: $248/sqft
Tax assessed value: $503,433
Annual tax amount: $6,330
Date on market: 3/2/2026
Listing agreement: Exclusive Agency
Ownership: Fee Simple

Estimated market value

$644,700

$612,000 - $677,000

$3,154/mo

Price history

Date	Event	Price
3/11/2026	Contingent	$650,000$248/sqft
Source: Bright MLS #MDMC2215840 Report a problem
3/2/2026	Listed for sale	$650,000+12.1%$248/sqft
Source: Bright MLS #MDMC2215840 Report a problem
7/14/2023	Sold	$580,000+1.8%$221/sqft
Source: Bright MLS #MDMC2097008 Report a problem
6/20/2023	Pending sale	$569,900$217/sqft
Source: Bright MLS #MDMC2097008 Report a problem
6/15/2023	Listed for sale	$569,900+34.1%$217/sqft
Source: Bright MLS #MDMC2097008 Report a problem
4/15/2019	Sold	$425,000$162/sqft
Source: Long & Foster Broker Feed #MDMC621960_100 Report a problem
3/13/2019	Pending sale	$425,000$162/sqft
Source: Long & Foster Real Estate, Inc. #MDMC621960 Report a problem
3/7/2019	Listed for sale	$425,000$162/sqft
Source: Long & Foster Real Estate, Inc. #MDMC621960 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$5,638 +4%	$503,433 +6.9%
2024	$5,422 +7.3%	$470,967 +7.4%
2023	$5,052 +5.4%	$438,500 +1%
2022	$4,793 +1.1%	$434,300 +1%
2021	$4,742 +0.9%	$430,100 +1%
2020	$4,699 +0.4%	$425,900
2019	$4,680 -0.2%	$425,900 +0.3%
2018	$4,689 -2.8%	$424,433 +0.2%
2017	$4,826 +35.6%	$423,700 +7.5%
2016	$3,559	$394,100 +8.1%
2015	$3,559	$364,500 +8.8%
2014	$3,559	$334,900
2013	--	$334,900
2012	--	$334,900 -9.6%
2011	--	$370,420
2010	--	$370,420
2009	--	$370,420 -29.9%
2008	--	$528,440 +17.2%
2007	--	$450,982 +20.7%
2006	--	$373,526 +26.2%
2005	--	$296,070 +12.1%
2004	--	$264,036
2003	--	$264,036 +32%
2002	--	$199,970
2001	--	$199,970