A solid brick rambler with walkout lower level, sitting on a .49 ac. lot. Enclosed sunroom adds so much to the living area which opens onto a beautiful large deck with stairs down to the gazebo and large nature lover's lot. The detached garage has not been used as a garage in years, but could be. It has a floored 2nd level with great storage! Spacious kitchen opening to both the Sunroom and separate Dining Rm. Hardwood floors are in the Living Rm, Dining Rm and Bedrooms. Main floor Bathrm. has tub and shower. The lower level is great for entertaining with a spacious Family Rm and fireplace, 2nd full bath and additional BR. There is an enclosed room making a perfect space for starting those spring seeds and flowers.
Sold for $535,000
$535,000
21 De Sellum Ave, Gaithersburg, MD 20877
3beds
2,024sqft
Single Family Residence
Built in 1955
0.49 Acres Lot
$549,200 Zestimate®
$264/sqft
$3,156 Estimated rent
Home value
$549,200
$500,000 - $604,000
$3,156/mo
Zestimate® history
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Zillow last checked:
Listing updated:
Listed by:
Jacque Grenning 301-529-5200,
Keller Williams Capital Properties
Bought with:
Moises Reyes
Team Reyes Inc.
Source: Bright MLS,MLS#: MDMC2170258
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 2
- Main level bathrooms: 1
- Main level bedrooms: 2
Rooms
- Room types: Living Room, Dining Room, Bedroom 2, Kitchen, Family Room, Bedroom 1, Sun/Florida Room, Bathroom 1, Bathroom 2
Bedroom 1
- Features: Flooring - HardWood
- Level: Main
- Area: 156 Square Feet
- Dimensions: 13 x 12
Bedroom 2
- Features: Flooring - Wood, Flooring - HardWood
- Level: Main
- Area: 144 Square Feet
- Dimensions: 12 x 12
Bathroom 1
- Features: Bathroom - Tub Shower
- Level: Main
- Area: 63 Square Feet
- Dimensions: 9 x 7
Bathroom 2
- Features: Bathroom - Stall Shower
- Level: Lower
Dining room
- Features: Flooring - HardWood
- Level: Main
- Area: 144 Square Feet
- Dimensions: 12 x 12
Family room
- Features: Fireplace - Wood Burning
- Level: Lower
Kitchen
- Level: Main
- Area: 204 Square Feet
- Dimensions: 17 x 12
Living room
- Features: Fireplace - Wood Burning, Flooring - HardWood
- Level: Main
- Area: 375 Square Feet
- Dimensions: 25 x 15
Other
- Level: Main
- Area: 144 Square Feet
- Dimensions: 12 x 12
Heating
- Forced Air, Natural Gas
Cooling
- Central Air, Electric
Appliances
- Included: Dishwasher, Extra Refrigerator/Freezer, Oven/Range - Gas, Refrigerator, Gas Water Heater
Features
- Eat-in Kitchen, Kitchen - Country, Kitchen - Table Space, Floor Plan - Traditional, Formal/Separate Dining Room
- Basement: Full,Finished,Improved,Walk-Out Access
- Number of fireplaces: 2
Interior area
- Total structure area: 2,648
- Total interior livable area: 2,024 sqft
- Finished area above ground: 1,324
- Finished area below ground: 700
Property
Parking
- Total spaces: 3
- Parking features: Storage, Oversized, Driveway, Detached
- Garage spaces: 1
- Uncovered spaces: 2
Accessibility
- Accessibility features: None
Features
- Levels: Two
- Stories: 2
- Patio & porch: Deck
- Exterior features: Other
- Pool features: None
Lot
- Size: 0.49 Acres
Details
- Additional structures: Above Grade, Below Grade
- Parcel number: 160900821870
- Zoning: R90
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Ranch/Rambler
- Property subtype: Single Family Residence
Materials
- Brick
- Foundation: Concrete Perimeter, Other
Condition
- New construction: No
- Year built: 1955
Utilities & green energy
- Sewer: Public Sewer
- Water: Public
Community & HOA
Community
- Subdivision: Summit Hall Reserve
HOA
- Has HOA: No
Location
- Region: Gaithersburg
- Municipality: City of Gaithersburg
Financial & listing details
- Price per square foot: $264/sqft
- Tax assessed value: $381,233
- Annual tax amount: $5,392
- Date on market: 3/28/2025
- Listing agreement: Exclusive Right To Sell
- Ownership: Fee Simple
Price history
| Date | Event | Price |
|---|---|---|
| 5/15/2025 | Sold | $535,000-2.7%$264/sqft |
Source:  Bright MLS #MDMC2170258 Report a problem | ||
| 5/9/2025 | Pending sale | $550,000$272/sqft |
Source: Bright MLS #MDMC2170258 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $5,031 +1.4% | $407,167 +6.8% |
| 2024 | $4,961 +7.8% | $381,233 +7.3% |
| 2023 | $4,603 +4.3% | $355,300 +1.4% |
| 2022 | $4,412 +1% | $350,267 +1.5% |
| 2021 | $4,369 +1.8% | $345,233 +1.5% |
| 2020 | $4,292 -0.3% | $340,200 |
| 2019 | $4,306 -0.6% | $340,200 |
| 2018 | $4,330 -3.5% | $340,200 -0.9% |
| 2017 | $4,488 +3.7% | $343,200 +1.3% |
| 2016 | $4,328 | $338,700 +1.3% |
| 2015 | $4,328 | $334,200 +1.4% |
| 2014 | $4,328 | $329,700 |
| 2013 | -- | $329,700 |
| 2012 | -- | $329,700 -14.8% |
| 2011 | -- | $387,190 |
| 2010 | -- | $387,190 |
| 2009 | -- | $387,190 -12.8% |
| 2008 | -- | $443,780 +15.2% |
| 2007 | -- | $385,230 +17.9% |
| 2006 | -- | $326,680 +21.8% |
| 2005 | -- | $268,130 +9.6% |
| 2004 | -- | $244,582 |
| 2003 | -- | $244,582 +23.8% |
| 2002 | -- | $197,490 |
| 2001 | -- | $197,490 |
Find assessor info on the county website
Neighborhood: 20877
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Nearby schools
GreatSchools rating
- 3/10Harriet R. Tubman ElementaryGrades: PK-5Distance: 1.1 mi
- 2/10Forest Oak Middle SchoolGrades: 6-8Distance: 1.3 mi
- 3/10Gaithersburg High SchoolGrades: 9-12Distance: 0.1 mi
Schools provided by the listing agent
- District: Montgomery County Public Schools
Source: Bright MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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Estimated market value
$549,200
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Estimated market value
$549,200
- Maryland
- Montgomery County
- Gaithersburg
- 20877
- 21 De Sellum Ave
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