12 Mary St
Dover, DE 19904
4 bd 6 ba 3,189 sqft Built 1928 Lot 22,651 sqft other
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 | $375,300 | $128,500 | $503,800 | $2,960 |
| 2024 | $375,300 | $128,500 | $503,800 | $2,841 |
| 2023 | $72,300 | $31,700 | $104,000 | $6,021 |
| 2022 | $72,300 | $31,700 | $104,000 | $2,959 |
| 2021 | $72,300 | $31,700 | $104,000 | $5,604 |
| 2020 | $81,800 | $31,700 | $113,500 | $2,753 |
| 2019 | $81,800 | $31,700 | $113,500 | $2,603 |
| 2018 | $81,800 | $31,700 | $113,500 | $2,376 |
| 2017 | $81,800 | $31,700 | $113,500 | $2,336 |
| 2016 | $81,800 | $31,700 | $113,500 | $1,845 |
| 2015 | $81,800 | $31,700 | $113,500 | $1,843 |
| 2014 | $81,800 | $31,700 | $113,500 | $2,349 |
| 2013 | $81,800 | $31,700 | $113,500 | $2,378 |
| 2012 | $81,800 | $31,700 | $113,500 | $2,474 |
| 2011 | $81,800 | $31,700 | $113,500 | $2,392 |
| 2010 | $72,300 | $31,700 | $104,000 | $2,335 |
Property facts
Year built
1928
Property type
other
Stories
2
Beds
4
Baths
6
Living area
3,189 sqft
Lot size
22,651 sqft
ZIP code
19904
City
Dover
Street
Mary St
Coordinates
39.16520, -75.52746
Comparable properties nearby
Frequently asked questions
When did 12 Mary St last sell?
No public-record sale is on file for 12 Mary St.
What is the current tax assessment for 12 Mary St?
The most recent total assessment for 12 Mary St (year 2025) is $503,800 with $2,960 in property tax.
When was 12 Mary St built?
12 Mary St was built in 1928.
How does 12 Mary St compare to others on Mary St?
We track 2 other properties on Mary St. Browse the list under "Other properties on Mary St" to compare beds, baths, and sale history.
What are the property facts for 12 Mary St?
12 Mary St is a 4 bed, 6 bath, 3,189 sqft, 22,651 sqft lot other.
Is 12 Mary St a flip candidate?
No — 12 Mary St does not appear in our flips dataset.
Is 12 Mary St a tax-appeal candidate?
No — 12 Mary St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+0.2%
Implied 1-yr
+0.8%
2026 Q3
$298.2K
2026 Q4
$298.7K
ZIP 19904 — Median Price History + Forecast
Explore nearby
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