603 ARMSTRONG AVE
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Red Clay Consolidated School District
Neighborhood · ZIP 19805These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Owner Tools
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
603 Armstrong Ave measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Worth less than 77% of homes in New Castle County
- Among the smallest homes in Wilmington 19805
- Has a bigger lot than 78% of homes in Wilmington 19805
- Newer than 81% of homes in Wilmington 19805
What homes are worth in Wilmington 19805
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 66% of homes in Wilmington 19805.
How it measures up in Wilmington 19805
The dot is this home. The mark in the middle is the typical home in Wilmington 19805.
Pricier than 66% of homes nearby
Smaller than almost all homes nearby
Bigger than 78% of homes nearby
Newer than 81% of homes nearby
| Measure | This home | Wilmington 19805 | New Castle County |
|---|---|---|---|
| Estimated valuepricier than | $272,673 | 66% of homes | 23% of homes |
| Living areabigger than | 25 ft² | almost no homes | almost no homes |
| Lot sizebigger than | 0.14 ac | 78% of homes | 31% of homes |
| Year builtnewer than | 1955 | 81% of homes | 29% of homes |
About 603 Armstrong Ave
How much is 603 Armstrong Ave, Wilmington, DE worth?
The TopHap Estimate for 603 Armstrong Ave, Wilmington, DE is $272,673 as of Sep 24, 2026. The likely range is $196,947 to $348,399. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 603 Armstrong Ave, Wilmington, DE last sell?
603 Armstrong Ave, Wilmington, DE last sold on Nov 4, 2003 for $122,000, according to the county's recorded deed.
How big is 603 Armstrong Ave, Wilmington, DE?
603 Armstrong Ave, Wilmington, DE has 2 bedrooms, 1 bathrooms, 25 square feet of living space and a 0.14-acre lot.
When was 603 Armstrong Ave, Wilmington, DE built?
603 Armstrong Ave, Wilmington, DE was built in 1955, making it 71 years old. The building has 2 stories.
What schools serve 603 Armstrong Ave, Wilmington, DE?
603 Armstrong Ave, Wilmington, DE is assigned to Marbrook Elementary School (elementary), rated A-; McKean (Thomas) High School (high), rated D-; Stanton Middle School (middle), rated F. All sit in Red Clay Consolidated School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 603 Armstrong Ave, Wilmington, DE compare to other homes in Wilmington 19805?
Among the 13,339 homes in Wilmington 19805, it is worth more than 66% of them ($272,673 against a typical $227,905), it is bigger than almost none of them (25 ft² against a typical 1,260 ft²), its lot is bigger than 78% of them (0.14 ac against a typical 2,178 ft²) and it is newer than 81% of them (1955 against a typical 1940). Measured against all of New Castle County, it is worth more than 23% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 603 Armstrong Ave, Wilmington, DE?
The 2025 property tax bill for 603 Armstrong Ave, Wilmington, DE was $2,126. The county assessed it at $262,800.
More homes on Armstrong Ave
- 102 Armstrong Ave$343K3 bd · 2.5 ba · 1,352 ft² · Sold Aug 2025
- 617 Armstrong Ave$288K3 bd · 2 ba · 1,550 ft² · Sold Jul 2025
- 712 Armstrong Ave$315K3 bd · 1.5 ba · 852 ft² · Sold $238K · Jun 2025
- 105 Armstrong Ave$284K3 bd · 1 ba · 920 ft² · Sold Jan 2023
- 109 Armstrong Ave$380K2 bd · 1 ba · 1,040 ft² · Sold $325K · Sep 2022
- 606 Armstrong Ave$298K3 bd · 1 ba · 1,125 ft² · Sold Jul 2022
- 412 Armstrong Ave$310K2 bd · 1 ba · 1,075 ft² · Sold Jul 2022
- 505 Armstrong Ave$284K3 bd · 1 ba · 64 ft² · Sold $175K · Jul 2022
- 410 Armstrong Ave$275K2 bd · 1 ba · 1,064 ft² · Sold $255K · May 2022
- 314 Armstrong Ave$393K4 bd · 1 ba · 1,180 ft² · Sold Sep 2021
- 509 Armstrong Ave$297K3 bd · 1 ba · 1,550 ft² · Sold $235K · Aug 2021
- 425 Armstrong Ave$293K3 bd · 2 ba · 1,350 ft² · Sold May 2021
Closest homes
- 605 Armstrong Ave$296K55 ft · 2 bd · 1 ba · 1,023 ft² · Sold $178K · Jun 2007
- 601 Armstrong Ave$328K60 ft · 3 bd · 2 ba · 1,458 ft² · Sold $102K · Jun 2002
- 607 Armstrong Ave$267K121 ft · 2 bd · 1 ba · 945 ft² · Sold $175K · Jan 2018
- 606 Ohio Ave$278K100 ft · 2 bd · 1 ba · 1,018 ft² · Sold $110K · Oct 2005
- 103 Vermont Ave$334K117 ft · 3 bd · 1 ba · 1,536 ft² · Sold $180K · Oct 2009
- 608 Ohio Ave$315K126 ft · 3 bd · 1 ba · 1,350 ft² · Sold Apr 2015
- 517 Armstrong Ave$348K179 ft · 3 bd · 1 ba · 1,800 ft² · Sold Sep 1996
- 602 Armstrong Ave$224K151 ft · 2 bd · 1 ba · 950 ft² · Sold Sep 1998
More homes in Wilmington 19805
- 434 Homestead Rd$185K3 bd · 1.5 ba · 1,152 ft² · Sold $148K · Oct 2026
- 1110 W 6th St$225K3 bd · 1 ba · 1,000 ft² · Sold $370K · Sep 2026
- 1017 S Broom St$180K3 bd · 1 ba · 1,113 ft² · Sold $180K · Sep 2026
- 1113 Read St$105K2 bd · 1 ba · 624 ft² · Sold $102K · Sep 2026
- 1637 Coleman St$250K3 bd · 1.5 ba · 1,224 ft² · Sold Sep 2026
- 1122 Rodman Rd$176K3 bd · 1 ba · 1,080 ft² · Sold $66K · Sep 2026
- 1130 W 2nd St$195K3 bd · 1 ba · 1,062 ft² · Sold $160K · Sep 2026
- 1623 W 4th St$185K3 bd · 1 ba · 1,528 ft² · Sold $175K · Sep 2026
- 504 S Union St$240K3 bd · 1 ba · 1,080 ft² · Sold $194K · Sep 2026
- 1601 Coleman St$240K3 bd · 1 ba · 1,152 ft² · Sold $192K · Sep 2026
- 1813 Beech St$232K3 bd · 1.5 ba · 1,260 ft² · Sold $247K · Sep 2026
- 707 N Harrison St$218K3 bd · 1.5 ba · 1,631 ft² · Sold $383K · Sep 2026
Assigned schools
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