503 Diamond Ave
Gaithersburg, MD 20877
1 ba 1,029 sqft Built 1981 Lot 3,355 sqft condo
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $119,000 | $51,000 | $170,000 | $2,344 |
| 2024 | $119,000 | $51,000 | $170,000 | $2,267 |
| 2023 | $126,000 | $54,000 | $180,000 | $1,529 |
| 2020 | $105,000 | $45,000 | $150,000 | $1,185 |
| 2017 | $98,000 | $42,000 | $140,000 | $1,087 |
| 2016 | $98,000 | $42,000 | $140,000 | $1,123 |
| 2015 | $98,000 | $42,000 | $140,000 | $1,497 |
Property facts
Year built
1981
Property type
condo
Stories
—
Beds
—
Baths
1
Living area
1,029 sqft
Lot size
3,355 sqft
ZIP code
20877
City
Gaithersburg
Street
Diamond Ave
Coordinates
39.13978, -77.21016
Comparable properties nearby
Frequently asked questions
When did 503 Diamond Ave last sell?
No public-record sale is on file for 503 Diamond Ave.
What is the current tax assessment for 503 Diamond Ave?
The most recent total assessment for 503 Diamond Ave (year 2025) is $170,000 with $2,344 in property tax.
When was 503 Diamond Ave built?
503 Diamond Ave was built in 1981.
How does 503 Diamond Ave compare to others on Diamond Ave?
We track 8 other properties on Diamond Ave. Browse the list under "Other properties on Diamond Ave" to compare beds, baths, and sale history.
What are the property facts for 503 Diamond Ave?
503 Diamond Ave is a 1 bath, 1,029 sqft, 3,355 sqft lot condo.
Is 503 Diamond Ave a flip candidate?
No — 503 Diamond Ave does not appear in our flips dataset.
Is 503 Diamond Ave a tax-appeal candidate?
No — 503 Diamond Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-6.3%
Implied 1-yr
-25.3%
2026 Q3
$303.8K
2026 Q4
$303.8K
ZIP 20877 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Diamond Ave