Red Clay Consolidated School District, New Castle DE County, PA
Triangle
Performance Tier
Below Average
Median Sold
$385,500
Avg. Appreciation
59%
Avg. $ Gain
$149,560
2025 Sales
10
Moderate Activity
Compared to the Red Clay Consolidated district average, Triangle is
underperforming by 11%.
Based on 33 years of public sales records across 2418 neighborhoods in 4 counties.
About
The Triangle is a defined city neighborhood in Wilmington, Delaware, whose residential streets form a geographic triangle enclosed by 18th Street, Baynard Boulevard, and Broom Street—a layout conceived in the late 1800s when the area was planned as Wilmington’s first suburb. The housing stock dates predominantly to the 1920s and consists of American Foursquare, Craftsman bungalow, colonial revival, and brick semi-detached twin homes, with single-family detached houses ranging from roughly 1,500 to 3,500 sq ft and twin homes from roughly 1,350 to 2,000 sq ft. Directly across 18th Street sits Brandywine Park—178 acres established in 1886 under a Frederick Law Olmsted-informed design, listed on the National Register of Historic Places in 1976—which provides residents walkable access to the Brandywine Zoo (operating since 1905), the Jasper Crane Rose Garden, pickleball and tennis courts, a dog park, athletic fields, and the Northern Delaware Greenway Trail, a 10-mile National Recreation Trail.
Specifications
Home Stock
The stock is dominated by American Foursquare, Craftsman bungalow, and colonial revival styles built predominantly in the 1920s, plus a smaller count of brick and stone semi-detached twins with wide front porches. At least one Queen Anne-style home with a corner tower has been documented in the neighborhood.
Location & Access
Bounded by 18th Street (south), Baynard Boulevard (west/southwest), and Broom Street (east/north), with I-95 running adjacent to the eastern edge over Brandywine Park. DART bus service operates along the corridor; the Washington Street and Van Buren bridges provide pedestrian and vehicle access to downtown Wilmington.
Location Anchors
What Makes This Distinct
The Triangle carries an entry-level price tier relative to the Red Clay Consolidated School District and has recorded moderate long-run appreciation across its sales history, performing below the district average—a structural pattern that buyers weighing price-to-location trade-offs should weigh against the neighborhood’s direct adjacency to Brandywine Park and sub-one-mile proximity to downtown Wilmington.
For Buyers & Sellers
If You’re Buying
Accessible at $386k median. solid appreciation track record. competitive market.
If You’re Selling
Sellers gained $150k on average. solid 59% return on investment. active market (8 day median). median sale price $386k.
Worth Asking
Have you considered that the Redding Consortium voted in December 2025 to recommend consolidating Red Clay and three other New Castle County districts into a single Northern New Castle County Consolidated School District—a proposal that still requires General Assembly approval—and what that potential boundary shift might mean for how you value a home in Triangle today?
Common Questions
What is the Triangle Neighborhood Association and what does it do?
The Triangle Neighborhood Association (TNA) is a formally organized civic league headquartered in Wilmington, DE, registered with Charity Navigator as a 501(c)-eligible organization. According to the TNA’s own published materials, the association sponsors neighborhood beautification projects and social events, and—per Delaware Today—offers members a community newsletter, organized events, and a volunteer neighborhood watch program. The City of Wilmington’s Civic and Neighborhood Associations directory lists a Triangle-area civic group that meets monthly at Warner Elementary School Library at 801 W. 18th Street. No mandatory HOA dues or deed-restriction covenant has been verified for Triangle; the TNA operates as a voluntary membership organization.
Which public schools serve Triangle residents?
Triangle falls within the Red Clay Consolidated School District. The neighborhood’s most proximate elementary school is Emalea P. Warner Elementary School (grades 3–5), located at 801 W. 18th Street within the Triangle footprint. Buyers should verify current school assignments directly with Red Clay at redclayschools.com, as the Redding Consortium for Educational Equity—a state-authorized task force—voted in December 2025 to recommend consolidating Red Clay with three other northern New Castle County districts. That recommendation must still clear the Delaware State Board of Education and the General Assembly before any boundary changes take effect; no final decision had been made as of the date this page was written.
Is Triangle a walkable neighborhood, and how do residents commute?
Triangle is consistently described as walkable by multiple sources. The neighborhood sits approximately one mile from downtown Wilmington, reachable on foot via the Washington Street and Van Buren bridges. Interstate 95 borders the neighborhood’s eastern edge, providing rapid highway access toward Philadelphia and Baltimore. DART (Delaware Administration for Regional Transit) bus service operates through the corridor for those without a vehicle. Brandywine Park’s Northern Delaware Greenway Trail—a paved, 10-mile National Recreation Trail—is accessible directly from the neighborhood and connects to Alapocas Run, Rockwood Park, and Bellevue State Park.
Items to Verify with Your Agent
A few specifics on this page are sourced from secondary aggregators or older filings. Confirm before relying:
- Approx Homes — No verified home count for the Triangle neighborhood was found in any source. Population is reported at approximately 1,880 residents (Nextdoor/Census) but a distinct home count was not published by any authoritative source.
- Builder — Triangle developed organically through the 1920s with no single identified builder. Multiple sources confirm 1920s construction era but attribute no developer by name.
- Hoa Name — Mandatory Hoa Status — The Triangle Neighborhood Association (TNA) is a voluntary civic league, not a mandatory HOA with CC&Rs. Public records HOA status is listed as Unknown. No deed-restriction covenant or mandatory dues structure was verified in public records.
- Entity Type Override Note — The preset entity_type was ‘subdivision.’ Research confirms Triangle is a recognized named city neighborhood, not a platted subdivision with a single developer. Entity type overridden to ‘borough_or_community’ to reflect its status as an organically developed urban neighborhood with a civic association, not a planned HOA community.
- School Boundary — Redistricting Risk — The Redding Consortium’s December 2025 recommendation to consolidate Red Clay and three other districts into a single Northern New Castle County district has not yet been approved by the General Assembly. School district assignment for Triangle residents could change. Buyers should verify with Red Clay directly.
- Lot Character Text — Lot Dimensions — Specific lot sizes (sq ft or acreage) for Triangle parcels were not found in any verified public source. Lot character described from qualitative sources only.
School District
Triangle is served by the Red Clay Consolidated School District. Buyers should verify current school assignments directly with the district.
View Red Clay Consolidated School District Information
Sources Consulted
Public deed records · New Castle DE County Recorder · en.wikipedia.org · homes.com · delawaretoday.com · tclf.org · newcastlede.gov · triangleneighborhood.net · inwilmde.com · charitynavigator.org · wilmingtonde.gov · warner.redclayschools.com · zipdatamaps.com · spotlightdelaware.org · destateparks.com
Data refreshed: April 25, 2026 (median sold, appreciation, performance tiers, narratives) · Content reviewed: April 25, 2026 (overview, structural insight, FAQs)
The Cyr Team · 2418 neighborhoods · 4 counties · 33 years of public sales records