309 Diamond Ave
Gaithersburg, MD 20877
4 bd 1 ba 1,526 sqft Built 1925 Lot 15,807 sqft single_family
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 |
|---|---|---|---|---|
| 2023 | $184,500 | $151,800 | $336,300 | $4,294 |
| 2020 | $143,500 | $151,800 | $295,300 | $3,588 |
| 2019 | $143,500 | $151,800 | $295,300 | $3,573 |
| 2018 | $143,500 | $151,800 | $295,300 | $2,879 |
| 2017 | $146,500 | $151,800 | $298,300 | $2,972 |
| 2016 | $146,500 | $151,800 | $298,300 | $3,039 |
| 2015 | $149,400 | $151,800 | $301,200 | $2,983 |
Property facts
Year built
1925
Property type
single_family
Stories
4
Beds
4
Baths
1
Living area
1,526 sqft
Lot size
15,807 sqft
ZIP code
20877
City
Gaithersburg
Street
Diamond Ave
Coordinates
39.14013, -77.20887
Comparable properties nearby
Frequently asked questions
When did 309 Diamond Ave last sell?
No public-record sale is on file for 309 Diamond Ave.
What is the current tax assessment for 309 Diamond Ave?
The most recent total assessment for 309 Diamond Ave (year 2023) is $336,300 with $4,294 in property tax.
When was 309 Diamond Ave built?
309 Diamond Ave was built in 1925.
How does 309 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 309 Diamond Ave?
309 Diamond Ave is a 4 bed, 1 bath, 1,526 sqft, 15,807 sqft lot single_family.
Is 309 Diamond Ave a flip candidate?
No — 309 Diamond Ave does not appear in our flips dataset.
Is 309 Diamond Ave a tax-appeal candidate?
No — 309 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