Delaware County Auditor Property Search (Ohio)

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Delaware County Ohio • Auditor, Treasurer, Recorder, GIS and BOR

Search Delaware County Property Records and Understand the Official Parcel Data

This guide brings Delaware County’s official property-search details into one place: owner search, address search, parcel number lookup, GIS mapping, tax bill lookup, Recorder deed search, Homestead, CAUV, Board of Revision, rental registration and payment planning.

Use the official links only when you are ready to perform the action. The key details are explained here so the page is useful before the visitor leaves for the county portal.

Open Owner Search Open Address Search Read Quick Answer

Fast answer: use the official Delaware County Auditor Real Estate Data Property Search to access the real property database. The county provides separate search paths for Owner Search, Address Search, Parcel Number Search, GIS Property Search and tax/appraisal information.

Best workflow: use Auditor search to identify the parcel, use the Treasurer page for payment and due-date questions, use Recorder search for deeds and recorded documents, and use GIS when you need parcel map context. Delaware County has rapidly growing cities and townships, so the parcel number is the cleanest identifier when a Powell, Delaware, Sunbury, Dublin, Westerville or rural address is confusing.

98,060parcels noted for 2026 billing cycle
Feb 10first-half 2026 taxes due
Jul 10standard second-half date shown on escrow page
$25initial CAUV application fee
Owner Search Address Search GIS Property Search Recorder Public Access

Which Official Delaware County Tool Handles Your Question?

The fastest path depends on whether the user wants parcel data, tax payment, deed records, GIS mapping or an appeal.

Need
Use this official tool
What it gives you
Action link
Owner, address, parcel number, value, levy and distribution
Auditor Real Estate Data Property Search
Current real property database covering property valuation, property tax levy and tax distribution.
Open Auditor search hub
Parcel map and appraisal map context
Delaware County Auditor GIS
Mapping application to view parcels of real property and related tax/appraisal information.
Open GIS page
Tax payment, escrow/ACH, due date, tax bill
Delaware County Treasurer
Payment options, escrow agreement, prior tax payment lookup and Treasurer contact help.
Open Treasurer
Deed, mortgage, land contract, plat or recorded document
Delaware County Recorder
Real estate documents from 1990 to present online; older real estate documents are found only in the Recorder’s Office.
Open Recorder search
Formal value complaint
Board of Revision
Formal complaint process for property valuations, accepted January 2 through March 31.
Open BOR
Homestead, CAUV, rental registration, conveyance forms
Auditor Forms and program pages
DTE forms, Homestead forms, CAUV forms, rental registration and conveyance/exemption forms.
Open forms

Micro Step-by-Step: Search a Delaware County Property

Start at the Auditor search hub

Open the Real Estate Data Property Search. It is the county’s entry point for current property data, valuation, tax levy and tax distribution.

Choose owner, address or parcel number

Use owner search if you know the owner, address search if you know the property location, or parcel number if you have a tax bill, closing document, prior record or GIS result.

Keep the first search simple

Try last name only, street number plus street name, or the parcel number exactly. Over-typing suffixes, ZIP codes, punctuation or middle initials can hide the correct result.

Open the property information screen

Confirm parcel number, owner, situs address, value, tax district, levy/tax distribution and tax tabs before calling any office.

Use the tax tab for history

The Treasurer’s prior-payment guidance says to search the parcel, open the Property Information screen, select the Tax tab, and review tax history at the bottom of the Tax Detail screen.

Switch to Recorder or GIS only when needed

Use Recorder for recorded deed/mortgage/land documents. Use GIS for map context. Use Treasurer for payment. Use BOR for formal value complaints.

What to Type in Delaware County Property Search

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Owner search

  • Start with last name only before using first name.
  • For LLCs, estates or trusts, search the most unique word.
  • If a transfer is recent, verify the deed through Recorder records.
  • Use parcel number if owner spelling is uncertain.
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Address search

  • Use house number and street name first.
  • Do not over-type apartment, ZIP, punctuation or direction on the first try.
  • Use the official GIS search if the street has multiple suffixes or township/city differences.
  • For fast-growing areas, verify that the situs address and parcel map match.
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Parcel number search

  • Best option when you have a tax bill, deed or previous county record.
  • Copy the parcel number exactly before paying or calling.
  • Use parcel number across Auditor, Treasurer, GIS and Recorder workflows.
  • If a split/combination happened recently, confirm with GIS or Recorder.
Local search trick: Delaware County includes fast-growing areas such as Delaware, Powell, Sunbury, Orange Township, Liberty Township, Genoa Township and parts of Dublin/Westerville. A parcel number is safer than relying only on the city name printed in a mailing address.

Delaware County GIS and Parcel Map Search

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What GIS shows

The Auditor GIS page says the mapping application lets users view all parcels of real property in Delaware County and related tax/appraisal information.

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GIS search rule

The GIS property search says at least one field is required to search, and users should use proper street suffixes such as “Rd” or “St” when searching.

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Map caution

Use GIS for location and parcel context. Do not use a web map as a legal survey for fencing, easements, building setbacks or boundary disputes.

GIS tip: If the normal address search fails, try GIS with the proper street suffix, then use the parcel number from the map result to search the Auditor or Treasurer database.
Auditor GIS page GIS property search

Delaware County 2026 Property Taxes and Payment Planning

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2026 bill availability

The county announced property tax bills would be available shortly after January 1, 2026.

1️⃣

First-half due

First-half real estate taxes are due by February 10, 2026.

2️⃣

Second-half reminder

The Treasurer escrow page lists a standard second-half reminder of July 10. Because Ohio HB186 changed some 2026 second-half billing, confirm live due date before paying.

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Escrow option

The Treasurer offers an automatic monthly bank-deduction option for owners who want to avoid large twice-yearly lump-sum payments.

Tax item
Official detail
Practical action
Treasurer contact
145 North Union Street, Delaware, Ohio 43015. Phone: 740-833-2480. Hours: Monday–Friday, 8:30 a.m.–4:30 p.m.
Use Treasurer for payments, escrow, prior tax payments and tax-account questions.
First-half due date
February 10, 2026.
Pay before this date or confirm postmark/payment posting rules.
Second-half billing
Treasurer escrow page shows July 10 as standard reminder; 2026 second-half bills were affected by House Bill 186 inflation cap credit.
Check the Treasurer’s current bill or payment portal before publishing or paying close to July.
Escrow/ACH
The Treasurer offers monthly automatic bank deductions for real estate property taxes.
Useful for owners who do not escrow with a mortgage company.
Prior payment lookup
Treasurer guidance directs users to the Auditor search, then Property Information → Tax tab → Tax Detail history.
Use this when you need past payment history or proof for records.
Treasurer home Pay my taxes Escrow program

How to Find Delaware County Prior Tax Payments

Open the Auditor property search

Use owner, address or parcel number to locate the property.

Open Property Information

Select the correct parcel and proceed to the Property Information screen.

Choose the Tax tab

The Treasurer’s guidance says tax history is at the bottom of the Tax Detail screen.

Save the details

Print or save the payment detail before calling, refinancing, selling or preparing records.

Valuation, Reappraisal and Ohio Property-Tax Reform Notes

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Values and tax are not the same

A higher value does not always mean the same percentage increase in taxes. Levy law, credits, rates and HB920-style rules can affect the tax result.

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2026 reform note

Delaware County posted that for tax year 2026 bills, the nonbusiness credit will be reduced to 7.5%, while owner-occupancy credit will increase to 5.7% from the current 2.5%.

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Agriculture note

The county’s property-tax reform notice says land used for agriculture will continue to receive the nonbusiness credit.

Practical value tip: If a homeowner says “my taxes are wrong,” first separate four issues: Auditor market value, tax district/rates, credits/reductions, and Treasurer payment/penalty status. Each issue has a different fix.

Delaware County Recorder: Deeds and Recorded Documents

Use the Recorder when you need the recorded instrument, not just a parcel card. The Recorder’s online search contains real estate documents from 1990 to present; earlier real estate documents are only available in the Recorder’s Office.

Recorder task
Official detail
Practical use
Recorded document search
Online real estate documents from 1990 to present.
Use for deed, mortgage, lien, land contract, plat and similar document research.
Older documents
Real estate documents prior to 1990 can be found only in the Recorder’s Office.
Plan an office visit or contact the Recorder for older title work.
Office contact
145 N. Union St., Delaware, Ohio 43015. Phone: 740-833-2460. Fax: 740-833-2459.
Call before searching older records or asking recording-fee questions.
What Recorder handles
Recorder indexes real estate and personal property records, collects filing fees and handles military service discharge records.
Use Auditor for values; use Recorder for recorded documents.
Common real estate documents
Deeds, mortgages, IRS liens, mechanics liens, land contracts, plats, zoning resolutions and similar instruments.
Use document type and date clues if name search returns too much.
Deed tip: If the Auditor owner appears outdated after a recent sale, check the Recorder first. A recorded deed is often the better evidence of what was filed.
Recorder search page Public Access search Property fraud info

Auditor Forms, Conveyance and Transfer-Related Paperwork

Form / category
What it is for
Why it matters
DTE 100
Real Property Conveyance Fee Statement of Value and Receipt.
Commonly needed for taxable real estate transfers.
Conveyance Exemption
Exemption statement when a transfer is claimed exempt from conveyance fee.
Do not guess exemption reason; use the correct form and transaction facts.
DTE 1
Complaint Against the Valuation of Real Property.
Used for BOR value complaints by March 31 deadline.
DTE 2
Complaint Against the Assessment of Real Property Other than Market Value.
Use the correct complaint form based on the issue.
DTE 23A
Penalty Remission.
May be relevant when late-payment penalty remission is being requested.
Auditor forms DTE 100 Conveyance exemption

Homestead Program in Delaware County

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Who it helps

The Homestead Program allows senior citizens age 65 or older and permanently and totally disabled homeowners to reduce their real estate taxes.

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2013 grandfather note

Delaware County notes a homeowner can be exempt from the income test if they received the Homestead exemption credit in Ohio in tax year 2013.

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Ask before assuming

Call the Auditor at 740-833-2900 if eligibility depends on disability, surviving spouse, income or a property move.

Homestead tip: If the property recently transferred, do not assume Homestead automatically carries over. Check the parcel and use the correct Auditor form path.
Homestead page Homestead forms

CAUV: Current Agricultural Use Valuation

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Initial application

The official CAUV FAQ says to file an initial CAUV application with the County Auditor on or after the required opening date and before the deadline.

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Initial fee

The CAUV FAQ lists an initial application fee of $25. There is no renewal fee.

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Renewal

Use the CAUV renewal application instructions and list land description as shown on the most recent tax statement or statements.

CAUV issue
Why it matters
Practical action
Commercial agricultural use
CAUV is not just a rural-land label; it is a valuation program for qualifying agricultural use.
Keep production/use records and file correct application.
Initial fee
$25 is small compared with possible tax savings or recoupment risk.
File correctly and on time rather than relying on renewal assumptions.
Renewal
Missing renewal can create tax problems.
Return renewal paperwork before the deadline and keep proof.
Transfer property
Agricultural-use property can require extra attention during conveyance.
Check DTE forms and Auditor requirements before closing.
Farm-owner warning: The biggest CAUV risk is not the application fee; it is missing renewal, converting land use or transferring without understanding possible back-tax/recoupment consequences.
CAUV forms CAUV soil values

Board of Revision: Challenge Value With Evidence

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What BOR hears

The Delaware County BOR hears formal complaints on property valuations.

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Filing window

Complaints are accepted from January 2 through March 31.

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Correct form

Use DTE 1 for a complaint against valuation of real property. Forms must be complete and filed by the deadline.

Evidence type
Why it helps
What to prepare
Recent arm’s-length sale
Shows actual market value if sale is valid and relevant.
Closing statement, purchase contract, deed date and listing details.
Comparable sales
Shows market value of similar properties.
Use Auditor sales/property search, not random asking prices.
Condition evidence
Supports lower value when condition problems are not obvious.
Photos, contractor estimates, inspection reports and repair details.
Incorrect property data
Wrong square footage, building features or land details can affect value.
Parcel printout, photos, building sketch, permits and measurements.
BOR insight: Do not file only because taxes feel high. BOR is for value complaints. If the issue is due date, penalty, payment, escrow, levy or special assessment, start with the Treasurer or the tax detail.
BOR information DTE 1 form

Residential Rental Registration

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Where to register

Delaware County Auditor has a Rental Registration page under the Auditor website.

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Auditor contact

Rental registration contact uses the Auditor office: 145 N. Union St., Delaware, Ohio 43015. Phone: 740-833-2900.

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Transfer checklist

If buying a rental property, add rental registration to the closing checklist after the deed and parcel ownership update.

Landlord tip: If a property is rented but the owner contact is not updated, notices may go to the wrong place. Check registration after purchase, change of ownership or change of agent.
Rental registration

If Delaware County Property Search Shows No Result or Looks Wrong

Problem
Likely reason
Fix inside official workflow
Owner name fails
LLC/trust/estate, spelling, initials, recent transfer or too much detail.
Search last name only, one business word, or use address/parcel number.
Address fails
Street suffix, city/ZIP mismatch, unit number, new subdivision or township/city overlap.
Use street number and street name first; try GIS with proper suffix such as Rd or St.
Parcel number fails
Old number, split, combination or copied formatting issue.
Search by owner/address, then verify on GIS map and Recorder documents.
Tax history needed
User is in Auditor search but not in the Tax tab.
Open Property Information, select Tax tab, and look at Tax Detail history.
Deed proof needed
Auditor parcel data is not the recorded instrument.
Use Recorder Public Access. Online real estate documents cover 1990 to present.
Boundary dispute
GIS map is being treated as a survey.
Use recorded documents and professional survey support for exact boundaries.

Video Note: No Unverified YouTube Embed Added

I did not embed a YouTube video because a directly relevant Delaware County Auditor property-search tutorial with verified upload date, thumbnail URL and safe VideoObject metadata was not confirmed. The official search links, Treasurer guidance, Recorder search and GIS steps above are more useful than adding unrelated video schema.

Auditor search hub GIS page Recorder search

Delaware County Auditor Office Google Map

The Delaware County Auditor is listed at 145 N. Union St., 1st Floor, Delaware, Ohio 43015. Use this map for in-person planning. The Treasurer and Recorder are also listed at 145 N. Union St. on official county pages, but always contact the correct department before visiting.

Auditor

145 N. Union St., 1st Floor, Delaware, OH 43015. Phone: 740-833-2900. Fax: 740-833-2899.

Treasurer

145 North Union Street, Delaware, OH 43015. Phone: 740-833-2480. Hours: Monday–Friday, 8:30–4:30.

Recorder

145 N. Union St., Delaware, OH 43015. Phone: 740-833-2460. Use for deeds and recorded documents.

Bring this

Parcel number, address, owner name, tax bill, deed reference, screenshots, value evidence and the exact form name.

Delaware County Auditor Property Search FAQ

What is the official Delaware County Auditor property search website?

Use the Delaware County Auditor Real Estate Data Property Search page. It links to Owner Search, Address Search, Parcel Number Search, GIS Property Search and related property tools.

How do I search by owner name?

Use the official Owner Search page. Start with last name only, then add more detail if needed. For LLCs, trusts or estates, search one unique word.

How do I search by address?

Use the official Address Search page. Start with the house number and street name, then add suffix or city details only if results are too broad.

What is the Delaware County Auditor phone number?

The Delaware County Auditor phone number is 740-833-2900. The office is at 145 N. Union St., 1st Floor, Delaware, Ohio 43015.

What are Delaware County 2026 property tax due dates?

The county announced first-half taxes due February 10, 2026. The Treasurer escrow page lists July 10 as the standard second-half reminder, but 2026 second-half billing was affected by HB186, so confirm the current bill before paying.

Does Delaware County offer a tax escrow or ACH option?

Yes. The Treasurer’s Office offers an automatic monthly payment option drawn from a bank account for real estate property taxes.

Where do I find prior tax payments?

Search the parcel through the Auditor site, open Property Information, select the Tax tab, then review the tax history at the bottom of the Tax Detail screen.

Where do I search Delaware County deeds?

Use the Delaware County Recorder records search. Online real estate documents cover 1990 to present. Documents before 1990 are available only in the Recorder’s Office.

What does Delaware County GIS show?

The Auditor GIS page says the mapping application lets users view all parcels of real property and related tax/appraisal information.

Who qualifies for Homestead in Delaware County?

The Homestead Program helps senior citizens age 65 or older and permanently and totally disabled homeowners reduce real estate taxes. Some homeowners may be exempt from the income test if they received Ohio Homestead credit in tax year 2013.

What is CAUV in Delaware County?

CAUV stands for Current Agricultural Use Valuation. The Auditor’s CAUV FAQ lists a $25 initial application fee and no renewal fee.

When can I file a Board of Revision complaint?

Delaware County Board of Revision complaints are accepted from January 2 through March 31 for formal property valuation complaints.

What if property search shows no result?

Try fewer fields first. Use owner last name only, address without extra punctuation, or parcel number. If address search fails, try GIS with proper suffixes such as Rd or St.

Do I use Auditor or Recorder for ownership proof?

Use Auditor for parcel and valuation data. Use Recorder for recorded deeds and real estate documents, especially if ownership recently changed.

Ohio Auditor Tools · Tax Year 2026

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.

Homestead: $29,000 Enhanced Vet: $58,000 OAGI limit: $41,000 Assessment: 35% of market BOR filing: Free · DTE 1

Annual Tax Bill Estimator

OHIO

Applies Ohio's 35% assessment ratio plus your county's effective millage tier — the actual math your auditor uses.

Pick a county tier and enter your market value.

Homestead Reduction Calculator

DTE 105A

2026 Ohio Homestead: $29,000 general or $58,000 enhanced (100% disabled vet, KIA spouse). OAGI under $41,000 required for non-veteran applicants.

Pick your situation and enter your home value.

Owner-Occupancy & Non-Business Credits

DTE 105C

Every 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.

Enter your annual tax to see both credit amounts.

Conveyance Fee Calculator

ORC 322

When 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.

Enter sale price and pick your county rate.

CAUV Agricultural Savings

DTE 109

Ohio's Current Agricultural Use Value cuts taxable value dramatically for farmland (10+ acres, or smaller with $2,500+ annual gross income).

Enter both market and CAUV values to see savings.

Mill Rate Converter

Ohio tax rates appear three ways on auditor sites: mills, percent, or dollars per $1,000. Convert between them instantly.

Enter a rate to see all three forms.

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.

Paste any Ohio county parcel to format it.

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.

Enter both values to compare against Ohio's 35% target.

BOR Appeal Savings

DTE 1

A successful Board of Revision complaint typically cuts your value 10–20%. Filing is free and stays in effect until the next reappraisal.

Enter your tax bill and reduction estimate.

BOR Deadline Countdown

MAR 31

Ohio'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.

Set your deadline to start the countdown.

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:

Ohio Dept. of Taxation — Real Property DTE Forms (105A, 105C, 1, 109) ORC 5715 — Board of Revision ORC 5713 — Taxable Real Property ORC 322.02 — Conveyance Fee ORC 319.54(F)(3) — State Fee ORC 5713.30 — CAUV tax.ohio.gov — Main Portal

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.

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