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from $489,990

Buildable plan: Seneca with Finished Basement, Knollwood, Felton, DE 19943

4beds
4,362sqft
: 
Single Family Residence
Built in 2026
-- sqft lot
$-- Zestimate®
$112/sqft
$-- HOA

What's special

Enjoy smart design and flexible living in the Seneca with a Finished Basement at Knollwood, where you'll enjoy more space inside and out with finished basements and 1/4-acre homesites in the Caesar Rodney School District. This home perfectly balances comfort, function, and style. The main level is designed for everyday ease, featuring an open-concept layout where the kitchen flows effortlessly into the dining area and great room - ideal for entertaining or quiet evenings at home. Flexible main-level space can be adapted to your lifestyle as a home office, reading nook, or hobby area. Upstairs, your luxury owner's suite offers privacy and convenience with two walk-in closets and an en suite bath with dual vanities. Secondary bedrooms and a versatile loft provide the perfect setup for guests, family members, or a cozy retreat for movie and game nights. The finished basement adds even more flexibility, giving you a dedicated space for a recreation room, home gym, media lounge, or extra entertaining area - perfect for making memories now and adapting as your needs change. Located in Knollwood, you'll enjoy a peaceful setting with convenient access to Route 13, Dover, shopping, dining, and Delaware's beaches. With flexible spaces on every level and a layout designed for how you live today, the Seneca at Knollwood is a place you'll love coming home to. Schedule your visit today!
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Facts & features

Interior

Bedrooms & bathrooms
  • Bedrooms: 4
  • Bathrooms: 4
  • Full bathrooms: 3
  • 1/2 bathrooms: 1
Interior area
  • Total interior livable area: 4,362 sqft
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Property

Parking
  • Total spaces: 2
  • Parking features: Garage
  • Garage spaces: 2
Features
  • Levels: 2.0
  • Stories: 2

Construction

Type & style
  • Home type: SingleFamily
  • Property subtype: Single Family Residence
Condition
  • New Construction
  • New construction: Yes
Details
  • Builder name: Ryan Homes

Community & HOA

Community
  • Subdivision: Knollwood
Location
  • Region: Felton

Financial & listing details

  • Price per square foot: $112/sqft
  • Date on market: 1/30/2026
621 Knollwood Blvd, Felton, DE 19943

Source: Ryan Homes

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Estimated market value

Not available

Estimated sales range

Not available

$4,146/mo

Price history

DateEventPrice
4/9/2026Listed for sale$489,990-2%$112/sqft
Source: Ryan Homes Report a problem
1/5/2026Listing removed$499,990$115/sqft
Source: Ryan Homes Report a problem
12/9/2025Listed for sale$499,990+11.1%$115/sqft
Source: Ryan Homes Report a problem
11/2/2025Listing removed$449,990$103/sqft
Source: Ryan Homes Report a problem
10/3/2025Price change$449,990-3.2%$103/sqft
Source: Ryan Homes Report a problem
9/16/2025Price change$464,990+1.1%$107/sqft
Source: Ryan Homes Report a problem
9/10/2025Price change$459,990-2.5%$105/sqft
Source: Ryan Homes Report a problem
8/22/2025Price change$471,990+0.4%$108/sqft
Source: Ryan Homes Report a problem
8/17/2025Price change$469,990-2.1%$108/sqft
Source: Ryan Homes Report a problem
8/12/2025Price change$479,990-3%$110/sqft
Source: Ryan Homes Report a problem
7/8/2025Price change$494,990+1%$113/sqft
Source: Ryan Homes Report a problem
6/10/2025Price change$489,990+2.1%$112/sqft
Source: Ryan Homes Report a problem
5/29/2025Price change$479,990+1.1%$110/sqft
Source: Ryan Homes Report a problem
5/23/2025Price change$474,990+1.1%$109/sqft
Source: Ryan Homes Report a problem
5/21/2025Price change$469,990+1.1%$108/sqft
Source: Ryan Homes Report a problem
5/6/2025Price change$464,990-4.1%$107/sqft
Source: Ryan Homes Report a problem
4/22/2025Listed for sale$484,990$111/sqft
Source: Ryan Homes Report a problem

Public tax history

Tax history is unavailable.

Neighborhood: 19943

Nearby schools

GreatSchools rating
Schools provided by the builder
  • District: Caesar Rodney

Source: Ryan Homes. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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