12 Keystone Dr
Gaithersburg, MD 20878
4 bd 4 ba 3,126 sqft Built 1974 Lot 9,281 sqft single_family
Most recent sale
$632,000
Apr 18, 2022
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 18, 2022 | Sold | $632,000 | MLS #MDMC2035136 |
| Feb 18, 2022 | Listed | $599,950 | MLS #MDMC2035136 |
| Aug 13, 1975 | Sold | $62,000 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | — | — | $552,833 | $6,923 |
| 2024 | — | — | $552,833 | $6,325 |
| 2023 | $253,800 | $215,500 | $469,300 | $5,742 |
| 2022 | — | — | $464,700 | $5,529 |
| 2021 | — | — | $460,100 | $5,496 |
| 2020 | $240,000 | $215,500 | $455,500 | $5,409 |
| 2019 | — | — | $439,967 | $5,198 |
| 2018 | — | — | $424,433 | $5,004 |
| 2017 | $193,400 | $215,500 | $408,900 | $4,862 |
| 2016 | — | — | $406,667 | $4,907 |
| 2015 | — | — | $406,667 | $4,668 |
| 2014 | $210,400 | $191,800 | $402,200 | $4,739 |
| 2013 | — | — | $402,200 | $4,680 |
| 2012 | — | — | $402,200 | $5,106 |
| 2011 | — | — | $449,620 | $4,898 |
| 2010 | — | — | $449,620 | $4,898 |
| 2008 | — | — | $512,620 | $4,197 |
Property facts
Year built
1974
Property type
single_family
Stories
3
Beds
4
Baths
4
Living area
3,126 sqft
Lot size
9,281 sqft
ZIP code
20878
City
Gaithersburg
Street
Keystone Dr
Coordinates
39.13311, -77.24347
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsInvestment analysis
Estimates based on local averages — not personalized adviceEstimated monthly rent
$4,689
Gross rental yield
8.90%
Implied cap rate
5.79%
Trend-extrapolated value
—
Frequently asked questions
When did 12 Keystone Dr last sell?
12 Keystone Dr most recently sold on Apr 18, 2022 for $632,000.
What is the current tax assessment for 12 Keystone Dr?
The most recent total assessment for 12 Keystone Dr (year 2025) is $552,833 with $6,923 in property tax.
How does 12 Keystone Dr's assessment compare to its last sale price?
The current assessment is 12.5% below the last sale price of $632,000.
When was 12 Keystone Dr built?
12 Keystone Dr was built in 1974.
How does 12 Keystone Dr compare to others on Keystone Dr?
We track 3 other properties on Keystone Dr. Browse the list under "Other properties on Keystone Dr" to compare beds, baths, and sale history.
What are the property facts for 12 Keystone Dr?
12 Keystone Dr is a 4 bed, 4 bath, 3,126 sqft, 9,281 sqft lot single_family.
Is 12 Keystone Dr a flip candidate?
No — 12 Keystone Dr does not appear in our flips dataset.
Is 12 Keystone Dr a tax-appeal candidate?
No — 12 Keystone Dr is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+0.1%
Implied 1-yr
+0.5%
2026 Q3
$804K
2026 Q4
$805K
ZIP 20878 — Median Price History + Forecast
Explore nearby
Geography
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