New Castle County property records for 25 addresses on Tremont St, New Castle, DE · Last verified October 2026
| Properties | 25 |
|---|---|
| Median Sale Price | $203,750 |
| Deeds and Mortgages on File | 23 |
| Median Price per Sqft | $168 |
| Owner Occupied | 72% |
| Median Annual Tax Bill | $1,504 |
| Median Year Built | 1948 |
| Median Ownership Tenure | 17 years |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
501 Tremont St |
3 bd · 1 ba · 1,208 sqft built 1948 · 0.06 acres | $227,500 Sep 2008 | $1,504 2025 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
503 Tremont St |
3 bd · 1 ba · 1,208 sqft built 1948 · 0.06 acres | $203,750 Jan 2009 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
505 Tremont St |
3 bd · 1 ba · 1,208 sqft built 1948 · 0.06 acres | $202,000 Apr 2009 | Assessor Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
507 Tremont St |
3 bd · 1 ba · 1,208 sqft built 1948 · 0.06 acres | $307,500 Sep 2026 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
600 Tremont St |
12 bd · 5 ba · 5,370 sqft built 1920 · 0.069 acres | — Mar 1988 | $2,120 2025 | Assessor Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
601 Tremont St |
3 bd · 1.5 ba · 1,640 sqft built 1926 · 0.119 acres | — Mar 2018 | $1,333 2025 | Assessor + 3 Documents Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
602 Tremont St |
0.06 acres | Assessor Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
603 Tremont St |
3 bd · 2 ba · 1,484 sqft built 1927 · 0.16 acres | $215,000 Aug 2016 | $1,688 2025 | Assessor + 1 Document Updated Oct 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
604 Tremont St |
0.06 acres | Assessor Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
605 Tremont St |
4 bd · 2 ba · 1,272 sqft built 1925 · 0.089 acres | Assessor Updated May 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
606 Tremont St |
0.06 acres | Assessor Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
607 Tremont St |
3 bd · 2 ba · 1,836 sqft built 1920 · 0.1 acres | Assessor + 1 Document Updated Apr 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
608 Tremont St |
0.06 acres | Assessor Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
610 Tremont St |
3 bd · 1 ba · 856 sqft built 1925 · 0.06 acres | $175,000 May 2016 | Assessor Updated Oct 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
702 Tremont St |
3 bd · 2 ba · 1,912 sqft built 1949 · 0.11 acres | $172,500 Feb 2015 | $1,867 2025 | Assessor + 3 Documents Updated Apr 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
703 Tremont St |
3 bd · 1 ba · 1,356 sqft built 1955 · 0.289 acres | $300,000 Oct 2025 | Assessor + 2 Documents Updated Apr 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
704 Tremont St |
3 bd · 1 ba · 1,280 sqft built 1944 · 0.169 acres | $290,000 Jul 2008 | Assessor + 1 Document Updated Oct 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
804 Tremont St |
3 bd · 1 ba · 1,280 sqft built 1975 · 0.089 acres | $169,000 Apr 2019 | $1,474 2025 | Assessor + 3 Documents Updated May 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
805 Tremont St |
2 bd · 1 ba · 2,458 sqft built 1950 · 0.719 acres | $955 2025 | Assessor + 1 Document Updated Apr 2026 | Owner on File |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
806 Tremont St |
3 bd · 1 ba · 1,280 sqft built 1975 · 0.05 acres | Assessor Updated Apr 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
808 Tremont St |
3 bd · 1 ba · 1,280 sqft built 1975 · 0.05 acres | $304 2025 | Assessor Updated May 2026 | 2 Owners on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
810 Tremont St |
3 bd · 1.5 ba · 1,280 sqft built 1975 · 0.08 acres | — Aug 1992 | $1,692 2025 | Assessor + 4 Documents Updated Aug 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
812 Tremont St |
3 bd · 1 ba · 1,280 sqft built 1976 · 0.08 acres | — Apr 1996 | Assessor + 1 Document Updated Apr 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
814 Tremont St |
3 bd · 1 ba · 1,280 sqft built 1975 · 0.05 acres | $29,700 Jul 1983 | Assessor Updated May 2026 | Owner on File Owner Occupied |
| Address | Details | Last Sale | Tax Bill | Records | Owner |
|---|---|---|---|---|---|
816 Tremont St |
3 bd · 1 ba · 1,280 sqft built 1975 · 0.089 acres | — Jun 1976 | Assessor Updated May 2026 | Owner on File Owner Occupied |