Search Delaware Property Records Through the County That Holds the Parcel
Delaware has only three counties, but it does not use one statewide public parcel-search screen. Property owners, buyers and researchers need the official system for New Castle County, Kent County or Sussex County.
The good news is that all three counties provide online property information. The search fields are different, though. New Castle works especially well by address or parcel number, Kent County PRIDE offers owner, address, map number, subdivision/lot, tax-account and map searches, while Sussex provides owner, address, Parcel ID and advanced search options.
Delaware parcel search: find the exact answer you need
Start with the county lookup, then move to value, GIS, deed or appeal information only if your task requires it.
Quick answer: Delaware parcel records are county-based
Use the county Parcel Search for property, ownership, assessment, tax and sales information.
Use the Kent County PRIDE Property Records System for owner, address, map-number, tax-account and GIS searches.
Use the Assessment and Tax Office Property Records Search for owner, street address, Parcel ID or advanced searching.
For property in the State of Delaware, identify New Castle, Kent or Sussex County first. That simple distinction avoids one of the most common wrong-site searches.
Official Delaware parcel-search portals
County |
Official property system |
Searches available |
Current assessment reference |
|---|---|---|---|
New Castle County |
Parcel and address-based property research; parcel details include owner, assessment, tax and sales information. |
Current assessments use fair market value as of July 1, 2024. |
|
Kent County |
Owner, address, map number, subdivision/lot, tax account and GIS map. |
Taxable properties are currently assessed using fair market value as of July 1, 2023. |
|
Sussex County |
Owner, street address, Parcel ID and advanced search. |
Assessment is based on 100% of fair market value as of July 1, 2023. |
It is usually the most reliable key when you later move between assessment, tax, GIS and recorded-document systems.
How to search each Delaware county correctly
New Castle County: start with street number and street name
New Castle County’s own parcel-search guidance recommends a simple address search. Extra address text can make a search less reliable.
Use the county-hosted database rather than a real-estate listing website.
The County recommends omitting suffixes such as Road, Lane and Avenue when searching by address.
Verify the parcel number and property address before using tax or value information.
Use the record for ownership display, assessment, tax and sales-history research.
Kent County PRIDE: six useful ways to find a parcel
Kent County offers one of the most flexible Delaware property searches. Pick one search method instead of filling in several unrelated identifiers.
Sussex County: owner, address, Parcel ID or Advanced Search
The Sussex County Assessment and Tax database keeps the main search choices clearly separated.
What a Delaware parcel record can actually tell you
Field |
What it tells you |
What to do with it |
|---|---|---|
Parcel ID / map number |
The local identifier tied to the property record. |
Save it for GIS, assessment, tax and office questions. |
Owner name |
The owner or taxpayer name displayed in the assessment database. |
Use deed records if you need legal proof of ownership. |
Property location |
The physical location associated with the parcel. |
Confirm this before relying on the record. |
Legal description |
An abbreviated description or recorded-property reference. |
Use the recorded deed or plat for legal work. |
Land information |
Acreage, lot dimensions, land use or classification. |
Check for obvious errors before disputing value. |
Building details |
Characteristics of improvements used in valuation. |
Check size, use and structures against the actual property. |
Assessment / market value |
The county valuation used in the property-tax system. |
Compare the correct reassessment base date before using recent sales. |
Sales history |
Recorded transfers associated with the parcel. |
Do not assume every transfer is an arm’s-length market sale. |
Tax information |
County and/or school-related property-tax information where shown. |
Use the county finance or tax office for current payment status. |
Delaware property values changed substantially after statewide reassessment
Delaware’s current law requires taxable real property to be assessed at fair market value as of the county’s most recent reassessment base year. Counties must now perform a general reassessment at least once every five years.
The current assessment roll uses fair market value as of July 1, 2024. The 2026–2027 annual assessment continues to use that latest reassessment base date.
Kent County says taxable properties are assessed according to fair market value as of July 1, 2023.
Current appeal materials state that assessments are based on 100% of fair market value as of July 1, 2023.
A sale in late 2026 may tell you something about the current market, but an appeal may require evidence showing what the property was worth on the county’s legally defined reassessment date.
The County completed its first countywide reassessment in more than 40 years and is continuing to process assessment corrections and appeals. Its current parcel search reflects the newer fair-market-value system.
Use Delaware GIS maps to locate the parcel — not to prove a boundary
Parcel mapping is useful when you are checking vacant land, trying to distinguish adjoining lots or need geographic context before opening the property record.
New Castle County
New Castle County provides Parcel Search plus separate GIS map viewers and resources. Start with the parcel database if you know the address, then use the map tools for zoning, land-use and geographic context.
Kent County
Kent County PRIDE includes a dedicated Map Search alongside owner, address, map-number and tax-account searches, which makes it useful when the physical location is easier to identify than the owner name.
Sussex County
Sussex maintains GIS tax-parcel and tax-index mapping layers. The property-record profile can also expose a Map section for the selected parcel.
County parcel geometry is extremely useful for finding and comparing property, but a fence, construction line, encroachment or legal boundary question should be checked against recorded documents and, when necessary, a licensed survey.
Parcel search and deed search answer different ownership questions
A parcel database is excellent for finding the owner name displayed on the assessment roll. It is not the same as performing a title search.
If you need… |
Start here |
Why |
|---|---|---|
Current assessment owner display |
County parcel/property search |
Fastest way to connect a person or entity with a tax parcel. |
Recorded deed |
County Recorder of Deeds |
The deed is the recorded conveyance document. |
Ownership history |
Parcel sales/owner history plus Recorder indexes |
Use both systems to follow transfers more reliably. |
Mortgage, lien or title examination |
Recorded-document system / professional title research |
A parcel database does not establish clear or marketable title. |
Kent County’s own property-history material recommends using PRIDE to identify the map number and owner, then using Recorder of Deeds records for deed research.
The value shown in a parcel search is not automatically the tax you owe
Delaware counties now use updated fair-market assessments, but property-tax bills still depend on the applicable county, school district, municipality and other lawful charges or credits.
property record → assessed/fair-market value → applicable tax rates and credits → actual bill.
After a general reassessment, Delaware law requires calculation of rolled-back rates designed around prior revenue levels, subject to statutory rules. This is one reason a much larger new assessment does not mean the tax bill rises by the same percentage.
do not calculate it from the parcel’s value. Open the county’s official tax or finance system and verify the actual bill.
When a Delaware parcel search gives the wrong or missing result
Try the street number plus main street name and leave out suffixes such as Road, Lane or Avenue.
Use only the main street name. Kent’s own search gives the example “Main” instead of “Main St.”
Try the address or parcel identifier. Then check the Recorder if a recent transfer matters.
A new or altered parcel can have a different tax/map identifier from an older deed, bill or settlement document.
Search by parcel/map number or use the GIS map.
Compare parcel ID, legal description, acreage and land/building information before selecting one.
Check whether you are comparing a pre-reassessment value with the newer fair-market-value assessment.
Sussex expressly warns that its online information does not replace official records. Verify important legal or transactional facts against the underlying public record.
If the Delaware property value appears wrong
Start by checking factual information in the parcel record. Incorrect square footage, land area, property condition or classification can undermine the value before you ever reach comparable-sales arguments.
County |
Appeal body / process |
Important current detail |
|---|---|---|
New Castle |
Board of Assessment Review |
The regular 2026 appeal deadline was March 14, 2026. The current annual assessment is based on July 1, 2024 fair market value. |
Kent |
Board of Assessment Review |
Kent’s published procedures generally use the last working day in January for annual appeals, with different deadlines for supplemental assessments. Verify the current year’s notice before filing. |
Sussex |
Board of Assessment Review |
Sussex rules use an annual March 1 filing deadline unless a reassessment-year rule changes it. Appeals must address fair market value as of the applicable base date. |
Evidence is more useful than a complaint about the tax bill
- Recent professional appraisal using the correct valuation date
- Comparable arm’s-length sales
- Photographs showing condition problems
- Measurements or plans showing inaccurate property data
- Purchase and closing documents where the sale is relevant
- Evidence of demolition, construction or major renovation as of the assessment date
Reassessment years can produce special deadlines. Do not assume a date from a neighboring county—or from a prior year—applies to your parcel.
Delaware county assessment contacts
New Castle County
Kent County
Sussex County
Delaware parcel search FAQs
1. Is there one statewide Delaware parcel search?
No. Delaware property assessment and parcel records are maintained through New Castle, Kent and Sussex counties. Use the official county system where the property is located.
2. How do I search a New Castle County property by address?
Open New Castle County Parcel Search and enter the street number and main street name. County guidance recommends leaving out suffixes such as Road, Lane and Avenue, then verifying the parcel number on the matching result.
3. What can I search in Kent County PRIDE?
Kent County PRIDE supports searches by owner, address, map number, subdivision and lot, tax account, and GIS map. Its address search recommends using the street name without a suffix, such as “Main” instead of “Main St.”
4. How can I search Sussex County property records?
The Sussex County Assessment and Tax property system provides Search by Owner, Search by Address, Search by Parcel ID and Advanced Search options.
5. What value date does New Castle County currently use?
New Castle County’s current assessments are based on fair market value as of July 1, 2024, the county’s latest reassessment base year.
6. What value date do Kent and Sussex counties use?
Kent County states that taxable properties are currently assessed using fair market value as of July 1, 2023. Sussex County assessment appeal materials also use 100% of fair market value as of July 1, 2023.
7. Are Delaware properties now reassessed regularly?
Yes. Delaware law now requires each county to conduct a general real-property reassessment at least once every five years, measured from completion of the county’s most recent general reassessment.
8. Can a county GIS parcel map prove my legal property boundary?
No. GIS parcel mapping is useful for property identification and geographic context, but exact legal boundaries should be verified through recorded plats, deeds and a professional survey when necessary.
9. Is the owner shown in the parcel database proof of legal title?
No. The assessment owner display is useful for research, but legal ownership and title questions should be checked through the county Recorder of Deeds and appropriate title research.
10. What should I do if a Delaware parcel value looks wrong?
First check the property’s physical and classification data. Then collect evidence tied to the county’s correct valuation date and follow that county’s Board of Assessment Review procedure before the applicable filing deadline.
Official Delaware property-record resources
- New Castle County Parcel Search — official county parcel, assessment and tax-property lookup.
- New Castle County Assessment — fair-market-value date, assessment office and appeal information.
- Kent County PRIDE — owner, address, map number, subdivision, tax account and GIS searches.
- Kent County Assessment Information — current valuation date, assessment practices and property-tax information.
- Sussex County Property Records Search — assessment and tax-office property database.
- Sussex County Recorded Document Search — deed and recorded-document research.
- Delaware Code Title 9, Chapter 83 — fair-market assessment standard and five-year reassessment requirement.
This website is not New Castle County, Kent County Levy Court, Sussex County Government or the State of Delaware. Online parcel and GIS information is useful for research but does not replace a certified assessment record, recorded deed, title examination, professional appraisal or boundary survey. Verify time-sensitive values, appeal deadlines and tax balances with the responsible county office.
Khushboo Bobade is the editor and digital publisher of CountyAuditors.org. She oversees the research and editorial process for the website, ensuring that information about county auditor offices, property records, and government resources is accurate, verified, and easy for visitors to understand.
10 Ohio Property Tax Calculators & Auditor Tools
Built specifically for Ohio's 35% assessment ratio, current DTE forms, and 2026 Homestead, Owner-Occupancy, CAUV, Conveyance Fee, and Board of Revision rules. Every number reflects verified Ohio Department of Taxation amounts.
Annual Tax Bill Estimator
OHIOApplies Ohio's 35% assessment ratio plus your county's effective millage tier — the actual math your auditor uses.
Homestead Reduction Calculator
DTE 105A2026 Ohio Homestead: $29,000 general or $58,000 enhanced (100% disabled vet, KIA spouse). OAGI under $41,000 required for non-veteran applicants.
Owner-Occupancy & Non-Business Credits
DTE 105CEvery Ohio owner-occupied home qualifies for the 2.5% Owner-Occupancy Credit plus the automatic 10% Non-Business Credit. Most owners don't realize these stack.
Conveyance Fee Calculator
ORC 322When you sell or transfer Ohio property, the auditor collects $1 state + up to $3 county per $1,000, plus $0.50 per parcel. Counties choose their rate.
CAUV Agricultural Savings
DTE 109Ohio's Current Agricultural Use Value cuts taxable value dramatically for farmland (10+ acres, or smaller with $2,500+ annual gross income).
Mill Rate Converter
Ohio tax rates appear three ways on auditor sites: mills, percent, or dollars per $1,000. Convert between them instantly.
Parcel Number Cleaner
Ohio's 88 counties each format parcels differently — Franklin uses 010-123456-00, Cuyahoga uses 001-23-456, Hamilton uses 100-0001-0001-00. Auto-detects.
35% Ratio Sanity Check
Ohio law sets taxable value at 35% of market value. If yours is significantly higher, you're a strong BOR appeal candidate.
BOR Appeal Savings
DTE 1A successful Board of Revision complaint typically cuts your value 10–20%. Filing is free and stays in effect until the next reappraisal.
BOR Deadline Countdown
MAR 31Ohio's statutory Board of Revision filing deadline is March 31 for the prior tax year. Miss it and you wait until next year — no extensions.
Verify with the official Ohio source
These calculators use the verified 2026 Ohio Department of Taxation amounts and statutory rules. For your exact bill, exemption status, and county-specific deadlines, always confirm with your county auditor and the Ohio Revised Code:
Estimates use Ohio's 35% statutory assessment ratio and effective tax rate tiers averaged across major Ohio counties. Your actual bill depends on local school levies, voted millage, inside vs. outside millage splits, House Bill 920 reduction factors (HB 920), and special assessments. The 2026 Homestead general amount ($29,000) and enhanced amount ($58,000) reflect HB 187 inflation indexing — your county auditor's office may show slightly different transitional figures. Nothing here is legal or tax advice. CountyAuditors.org is an independent informational directory, not affiliated with any county government.