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321 E 11th St, Wilmington, DE 19801 Property Records

New Castle County property record for 321 E 11th St, Wilmington, DE 19801

Property Summary

Property TypeCommercial Office
Details20,441 sqft · built 1982
Lot Size1.04 acres (45,302 sqft)
OwnerCompany Name on Record
Tax Bill$35,924 (2025)
Deeds & MortgagesAug 2023 Sale
Flood ZoneZone X (minimal risk)
APN26-036.10-045

Property Details

APN / Parcel Number

Primary APN26-036.10-045

Interior

Stories1 Story
Building Area20,441 sqft Gross Area
1st Floor Area20,441 sqft

Exterior

Year BuiltBuilt 1982
Effective Year BuiltEffective 1982
Exterior MaterialConcrete Block
Construction TypeConcrete
Lot Area45,302 sqft (1.04 acres)
Lot Dimensions300 ft deep x 152 ft wide

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHVAC

Location & Zoning

Street Address321 E 11TH ST
CityWILMINGTON
StateDE
Zip19801-3422
Property CategoryCommercial
Property TypeCommercial > Office > Commercial Office
Local Zoning Code26C-4
Legal SubdivisionELWYN INSTITUTE
Legal Block948
Legal Lot Number1
JurisdictionNEW CASTLE DE
Township / Civil DivisionWILMINGTON
Census Block Group3
Census Block3015
Census Tract900

Owner

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

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

Owner of RecordCompany Name on Record
Mailing Address400 N WALNUT ST, WILMINGTON, DE 19801-4636
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJul 1, 1981
Deed SaleJul 1, 1981
Deed Book / Page115 / 256
Record UpdatedJun 8, 2026

August 2023: Special Warranty Deed, Transfer

Document TypeSpecial Warranty Deed
JurisdictionNEW CASTLE DE
Recording DateAug 4, 2023
Property Address321 E 11TH ST, WILMINGTON, DE 19801-3422
Document Number0000051942
Instrument DateJul 26, 2023
Instrument20230804-0051942
Transaction TypeTransfer
Record UpdatedAug 16, 2023

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Arm's Length
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name
Address111 ELWYN RD, ELWYN, PA 19063-4622

Transferred To (Grantee/Buyer)

NameVerified Name
Address400 N WALNUT ST, WILMINGTON, DE 19801-4636
InvestorPossibly a Property Investor

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateDelaware
CountyNew Castle County
MunicipalityWilmington City
Unified School DistrictChristina School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2025$35,924.00$2,688,300 (+72.13%) Land $60,800 Building $2,627,500
2023Additional exemption filed$1,561,800 (-) Land $179,600 Building $1,382,200
2022Additional exemption filed$1,561,800 Land $179,600 Building $1,382,200

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective January 21, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire RiskNot rated
no burnable land within 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 SystemWILMINGTON WATER DEPARTMENT
serves 107,976 people · EPA ID DE0000663
Water SourceSurface water
Last State InspectionSep 2023
LeadUnder 1 ppb (2021–2023)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureTreatment report not submitted
Oct 2017
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 968 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless · Fiber in parts of the area		300 / 20
AT&T
Fixed Wireless		100 / 20

May also be available: T-Mobile.

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