604 Delaware St, New Castle, DE 19720 Property Records

New Castle County property record for 604 Delaware St, New Castle, DE 19720

Property Summary

Property TypeDuplex
Details5 bd · 1 ba · 1,960 sqft · built 1910
Lot Size0.07 acres (3,049 sqft)
Owner2 Trust Names on File
Last Sale$284,500 (Aug 2010)
Tax Bill$2,333 (2025)
Deeds & MortgagesOct 2023 Transfer
Feb 2018 Mortgage
Flood ZoneZone X (moderate risk)
APN21-015.00-026

Property Details

APN / Parcel Number

Primary APN21-015.00-026

Interior

Bedrooms5 Beds
Full Baths1 Bath
Plumbing Fixtures5 Plumbing Fixtures
Total Rooms9 Rooms
Stories2 Stories
Building Area1,960 sqft Living Area
1st Floor Area1,048 sqft
FlooringWood
Interior WallsPlaster

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1978
Architectural StyleDuplex Single
Exterior MaterialBrick
Roof TypeFlat
Roof MaterialWood
Lot Area3,049 sqft (0.07 acres)
Lot Dimensions150 ft deep x 21 ft wide

Utilities, Heating & Cooling

Heating SystemHot Water
SewerConnected

Location & Zoning

Street Address604 DELAWARE ST
CityHISTORIC NEW CASTLE
StateDE
Zip19720-5058
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning Code21R-2
Legal DescriptionBEG AT POINT IN SWLY RIGHT OF WAY OF DELAWARE ST 60 FT WIDE & LOCATED ALONG DELAWARE ST N 44 DEG 58 SECONDS 14 MINUTES W
Legal SubdivisionNEW CASTLE
JurisdictionNEW CASTLE DE
Township / Civil DivisionNEW CASTLE
Census Block Group1
Census Block1000
Census Tract16200

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic DistrictWithin the New Castle Historic District
listed 1984 · 463 contributing resources · NRIS 84000312

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

604 Delaware St, a duplex, is owner-occupied and held in a trust since October 2023.

Source: New Castle County records, as of April 13, 2026

Owner of Record2 Trust Names on File
Mailing Address604 DELAWARE ST, HISTORIC NEW CASTLE, DE 19720-5058
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Revocable Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Oct 10, 2023Intrafamily Transfer, Transfer
Feb 2, 2018Deed of Trust, Mortgage · FHA Mortgage
JPMORGAN CHASE BANK NA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 30, 2010 · Amount on File
Deed SaleAug 30, 2010 · Amount on File
Prior SaleFeb 5, 2003 · Amount on File
Deed Document Number201045104
Last Transfer DateOct 2, 2023
Transfer Doc0000067748
Record UpdatedSep 20, 2026

October 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionNEW CASTLE DE
Recording DateOct 10, 2023
Property Address604 DELAWARE ST, HISTORIC NEW CASTLE, DE 19720-5058
Document Number0000067748
Instrument DateOct 2, 2023
Instrument20231010-0067748
Transaction TypeTransfer
Record UpdatedOct 19, 2023

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address604 DELAWARE ST, HISTORIC NEW CASTLE, DE 19720-5058

February 2018: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionNEW CASTLE DE
Property Address604 DELAWARE ST, HISTORIC NEW CASTLE, DE 19720-5058
Transaction TypeMortgage
Record UpdatedSep 14, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000005507
DateFeb 2, 2018
Instrument20180202-0005507
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
AddressCOLUMBUS, OH 43240
Agreement
TypeFHA Mortgage
AmountAmount on Record
Term360 Months
DueFeb 1, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 604 Delaware St was $2,333.

Source: New Castle County assessment roll, as of April 13, 2026

Property Jurisdictions

TypeName
StateDelaware
CountyNew Castle County
MunicipalityNew Castle City
Unified School DistrictColonial School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2025$2,333.00$420,100 Land $56,500 Building $363,600
2023$1,294.00 (-3.79%)$49,900 (-) Land $6,400 Building $43,500
2022$1,345.00$49,900 Land $6,400 Building $43,500

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 604 Delaware St in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective January 21, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Nearest Special Flood Hazard AreaZone AE, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 41 policies
Community Rating SystemClass 8 (10% premium discount)
Nearby Flood Policies41 in force
Nearby Flood Claims4 (2012–2019)
Most Recent ClaimJun 2019 · other causes
Claims by Event
  • Hurricane Sandy, Oct 2012 · 3 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 604 Delaware St is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 99.8% of the US · lower than 99.1% of Delaware
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemMUNICIPAL SERVICES COMMISSION
serves 5,549 people · EPA ID DE0000634
Water SourceGroundwater
Last State InspectionApr 2025
LeadUnder 1 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 588 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fiber
2,300 / 2,300
Xfinity
Cable
2,000 / 250
AT&T
Fixed Wireless
100 / 20
T-Mobile
Fixed Wireless
100 / 20

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