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511 Delaware St, New Castle, DE 19720 Property Records

New Castle County property record for 511 Delaware St, New Castle, DE 19720

Property Summary

Property TypeDuplex
Details3 bd · 1 ba · 1,576 sqft · built 1900
Lot Size0.08 acres (3,485 sqft)
OwnerIndividual Name on File
Last Sale$169,000 (Nov 2002)
Tax Bill$926 (2025)
Deeds & MortgagesNov 2023 Transfer
Oct 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN21-015.10-077

Property Details

APN / Parcel Number

Primary APN21-015.10-077

Interior

Bedrooms3 Beds
Full Baths1 Bath
Plumbing Fixtures5 Plumbing Fixtures
Total Rooms7 Rooms
Stories2 Stories
Building Area1,576 sqft Living Area
1st Floor Area872 sqft
FlooringWood
Interior WallsPlaster
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1900
Architectural StyleDuplex Single
Exterior MaterialBrick
Roof TypeFlat
Roof MaterialWood
Lot Area3,485 sqft (0.08 acres)
Lot Dimensions87 ft deep x 43 ft wide

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
SewerConnected

Location & Zoning

Street Address511 DELAWARE ST
CityHISTORIC NEW CASTLE
StateDE
Zip19720-5045
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning Code21R-2
Legal SubdivisionNEW CASTLE
JurisdictionNEW CASTLE DE
Township / Civil DivisionNEW CASTLE
Census Block Group2
Census Block2018
Census Tract16100

Owner

Source: New Castle County records · APN 21-015.10-077

Assessment roll updated April 13, 2026 · Last verified August 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on File
Mailing Address511 DELAWARE ST, HISTORIC NEW CASTLE, DE 19720-5045
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Nov 02, 2023Quit Claim Deed, Transfer
Quitclaim
Oct 14, 2020Deed of Trust, Mortgage · Conventional Mortgage
WELLS FARGO BANK NA

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleNov 25, 2002 · Amount on Record
Deed SaleNov 25, 2002 · Amount on Record
Deed Document Number2002114643
Last Transfer DateNov 01, 2023
Transfer Doc0000073875
Record UpdatedSep 20, 2026

November 2023: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionNEW CASTLE DE
Recording DateNov 02, 2023
Property Address511 DELAWARE ST, HISTORIC NEW CASTLE, DE 19720-5045
Document Number0000073875
Instrument DateNov 01, 2023
Instrument20231102-0073875
Transaction TypeTransfer
Record UpdatedNov 14, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address511 DELAWARE ST, HISTORIC NEW CASTLE, DE 19720-5045

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants in Severalty
Address511 DELAWARE ST, HISTORIC NEW CASTLE, DE 19720-5045

October 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionNEW CASTLE DE
Property Address511 DELAWARE ST, HISTORIC NEW CASTLE, DE 19720-5045
Transaction TypeMortgage
Record UpdatedSep 14, 2021
Title CompanyNORTH AMERICAN TITLE INS CO

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0000089407
DateOct 14, 2020
Instrument20201014-0089407
Lender
NameWELLS FARGO BANK NA
TypeBank
AddressSIOUX FALLS, SD 57104
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 01, 2050

Tax Assessment & Valuation

Source: New Castle County records · Assessment roll updated April 13, 2026 · Last verified August 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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.

YearTax BillAssessed Value
2025$926.00 (-42.23%)$256,700 (+315.37%) Land $56,500 Building $200,200
2023$1,603.00$61,800 Land $7,900 Building $53,900

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of January 21, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 61 individual policies
Community Rating SystemClass 8 (10% premium discount)
Nearby Flood Policies71 units insured
incl. 10 condo units
Nearby Flood Claims22 (1980–2020)
Claims Outside the SFHA6 of 22
Most Recent ClaimNov 2020 · rainfall accumulation
Claims by Event
  • Hurricane Sandy, Oct 2012 · 6 claims
  • Hurricane Irene, Aug 2011 · 2 claims

Wildfire

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 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.

Historic Designation

Source: NPS National Register of Historic Places as of August 1, 2026 · Last verified October 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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

Based on FCC filings for 588 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water SystemMUNICIPAL SERVICES COMMISSION
serves 5,549 people
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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.

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