Jason Ontjes
Century 21 Emerald
(610) 510-8532
54 Total Sales
2 in Marshallton
$230K - $460K Price Range
429 Valley Brook Dr Hockessin, DE 19707
Marshallton NeighborhoodEstimated Value: $636,016 - $721,000
4
Beds
2.5
Baths
2,475
Sq Ft
$267/Sq Ft
Est. Value
Highlights
- 0.62 Acre Lot
- Open Floorplan
- Traditional Architecture
- Dupont (H.B.) Middle School Rated A
- Vaulted Ceiling
- Wood Flooring
About This Home
As of March 2026BACK ON MARKET AT NO FAULT OF SELLERS, BUYERS HOME SALE CONTINGENCY WAS NOT FULFILLED! This beautifully renovated 4-bedroom, 2.5-bath home blends modern design with warm architectural character throughout. The open-concept main level is anchored by a brand-new kitchen featuring a large island, quartz countertops, updated cabinetry, and stainless steel appliances—ideal for both everyday living and entertaining. Exposed beams, recessed lighting throughout, and modern stair railings add visual interest and continuity across the living spaces. The layout flows effortlessly into multiple gathering areas, including a striking bar room with vaulted ceilings—a true standout space perfect for entertaining, relaxing, or creating a custom lounge. Recent upgrades include new insulation and TWO new single zone HVAC units installed in 2025, offering efficiency and peace of mind. Both the powder room and hall bath have been updated, and the primary bedroom is generously sized, providing a comfortable retreat. Step outside to enjoy a large paver patio and refreshed landscaping, extending the living space outdoors. Thoughtfully updated, move-in ready, and designed for modern lifestyles—this home offers the perfect balance of style, function, and character.
Last Agent to Sell the Property
(302) 703-6987 jgiles@psre.com Patterson-Schwartz-Rehoboth Brokerage Phone: 3027036987 License #RS0025448 Listed on: 01/09/2026
Last Buyer's Agent
(302) 504-6147 mjustison1@gmail.com Crown Homes Real Estate License #RS0025883
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Home Details
Home Type
- Single Family
Est. Annual Taxes
- $5,139
Year Built
- Built in 1974 | Remodeled in 2023
Lot Details
- 27,007 Sq Ft Lot
- Property is zoned NC21
Parking
- 2 Car Attached Garage
- 5 Driveway Spaces
- Rear-Facing Garage
- Garage Door Opener
- On-Street Parking
Home Design
- Traditional Architecture
- Block Foundation
- Blown-In Insulation
- Architectural Shingle Roof
- Vinyl Siding
Interior Spaces
- Property has 2 Levels
- Open Floorplan
- Bar
- Vaulted Ceiling
- Ceiling Fan
- Recessed Lighting
- 2 Fireplaces
- Family Room Off Kitchen
- Wood Flooring
- Attic
Kitchen
- Kitchen Island
- Upgraded Countertops
Bedrooms and Bathrooms
- 4 Bedrooms
- Bathtub with Shower
Unfinished Basement
- Basement Fills Entire Space Under The House
- Sump Pump
- Laundry in Basement
Outdoor Features
- Patio
Utilities
- Forced Air Heating and Cooling System
- Heating System Uses Oil
- Back Up Oil Heat Pump System
- Well
- Electric Water Heater
Community Details
- No Home Owners Association
- Heather Valley Subdivision
Listing and Financial Details
- Assessor Parcel Number 08-025.20-016
Ownership History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Jan 9, 2026
Closed on
Mar 27, 2026
Sold by
Colleen Gonzales and Matthew Rauscher
Bought by
Seller's Agent
Jennifer Gummel
Patterson-Schwartz-Rehoboth
Buyer's Agent
Madeline Justison
Crown Homes Real Estate
List Price
$650,000
Sold Price
$650,000
Views
386
Current Estimated Value
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
-$4,789
Avg. Annual Appreciation
3.44%
Original Mortgage
$435,000
Outstanding Balance
$433,689
Interest Rate
5.98%
Mortgage Type
New Conventional
Estimated Equity
$226,065
Purchase Details
Listed on
Aug 19, 2022
Closed on
Sep 27, 2022
Sold by
Waldburger Frank J
Bought by
Gonzales Mary Colleen and Rauscher Matthew
Seller's Agent
Jan Patrick
Compass
Buyer's Agent
Jennifer Gummel
Patterson-Schwartz-Rehoboth
List Price
$425,000
Sold Price
$476,000
Premium/Discount to List
$51,000
12%
Views
5
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
9.31%
Original Mortgage
$476,000
Interest Rate
5.89%
Mortgage Type
New Conventional
Purchase Details
Closed on
May 1, 1987
Bought by
Waldburger Frank J and Waldburger Anne O
Home Values in the Area
Average Home Value in this Area
Agents Specializing in Marshallton, DE
-
Jason Ontjes
-
Deborah 'Deb' Sweeney
Deborah 'Deb' Sweeney
Compass
(484) 922-8748
64 Total Sales
3 in Marshallton
$265K - $425K Price Range
-
Marquise Dunham-Nelson
Marquise Dunham-Nelson
EXP Realty, LLC
(888) 273-7713
30 Total Sales
2 in Marshallton
$300K - $355K Price Range
-
Michael Mulski
Michael Mulski
Responds QuicklyPacific Image Properties
(808) 793-5140
27 Total Sales
1 in Marshallton
$540,000 Price
-
Carter Eggleston
Carter Eggleston
Compass
(302) 665-1606
62 Total Sales
5 in Marshallton
$190K - $450K Price Range
-
Tammy Duering
Tammy Duering
RE/MAX Excellence - Kennett Square
(610) 646-5682
75 Total Sales
1 in Marshallton
$300,000 Price
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Buyer | Sale Price | Title Company |
|---|---|---|---|
| $650,000 | None Listed On Document | ||
| Gonzales Mary Colleen | $476,000 | -- | |
| Waldburger Frank J | $210,000 | -- |
Source: Public Records
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Borrower | Loan Amount |
|---|---|---|---|
| Open | $435,000 | ||
| Closed | Gonzales Mary Colleen | $476,000 | |
| Previous Owner | Waldburger Frank J | $250,000 |
Source: Public Records
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 03/27/2026 03/27/26 | Sold | $650,000 | 0.0% | $263 / Sq Ft | |
| 02/17/2026 02/17/26 | Pending | -- | -- | -- | |
| 02/12/2026 02/12/26 | Price Changed | $650,000 | 0.0% | $263 / Sq Ft | |
| 02/12/2026 02/12/26 | For Sale | $650,000 | -3.7% | $263 / Sq Ft | |
| 02/11/2026 02/11/26 | Off Market | $675,000 | -- | -- | |
| 01/20/2026 01/20/26 | For Sale | $675,000 | 0.0% | $273 / Sq Ft | |
| 01/19/2026 01/19/26 | Pending | -- | -- | -- | |
| 01/09/2026 01/09/26 | For Sale | $675,000 | +41.8% | $273 / Sq Ft | |
| 09/27/2022 09/27/22 | Sold | $476,000 | 0.0% | $192 / Sq Ft | View Prior Sale |
| 08/22/2022 08/22/22 | Pending | -- | -- | -- | |
| 08/22/2022 08/22/22 | Price Changed | $476,000 | +12.0% | $192 / Sq Ft | |
| 08/19/2022 08/19/22 | For Sale | $425,000 | -- | $172 / Sq Ft |
Source: Bright MLS
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $4,637 | $585,600 | $124,900 | $460,700 |
| 2024 | $5,280 | $142,900 | $26,800 | $116,100 |
| 2023 | $4,628 | $142,900 | $26,800 | $116,100 |
| 2022 | $4,213 | $142,900 | $26,800 | $116,100 |
| 2021 | $282 | $142,900 | $26,800 | $116,100 |
| 2020 | $282 | $142,900 | $26,800 | $116,100 |
| 2019 | $282 | $142,900 | $26,800 | $116,100 |
| 2018 | $4,227 | $142,900 | $26,800 | $116,100 |
| 2017 | $4,171 | $142,900 | $26,800 | $116,100 |
| 2016 | $3,865 | $142,900 | $26,800 | $116,100 |
| 2015 | -- | $142,900 | $26,800 | $116,100 |
| 2014 | -- | $142,900 | $26,800 | $116,100 |
Source: Public Records
Agents Affiliated with this Home
-
Jennifer Gummel
Seller's Agent in 2026
Jennifer Gummel
Patterson Schwartz
(302) 659-9851
2 in this area
55 Total Sales
-
Madeline Justison
Buyer's Agent in 2026
Madeline Justison
Crown Homes Real Estate
(302) 650-2944
1 in this area
107 Total Sales
-
Jan Patrick
Seller's Agent in 2022
Jan Patrick
Compass
(484) 883-4532
3 in this area
174 Total Sales
-
Susan Patrick-Musi
SP
Seller Co-Listing Agent in 2022
Susan Patrick-Musi
Compass
(302) 584-6850
1 in this area
7 Total Sales
Map
Source: Bright MLS
MLS Number: DENC2095018
APN: 08-025.20-016
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The data relating to real estate for sale on this website appears in part through the BRIGHT Internet Data Exchange program, a voluntary cooperative exchange of property listing data between licensed real estate brokerage firms, and is provided by BRIGHT through a licensing agreement.
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Copyright 2026 Bright MLS, Inc.
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