Montgomery County Auditor, OH: Property Search & Tax Records (2026)

Montgomery County Auditor property search by address, owner or parcel

The official MCRealEstate property search provides read-only access to Montgomery County real-property assessment and tax-record information. Start with the simplest reliable detail you have.

Search by street address

Open the official address search. Enter the house number separately and enter only the main street name. The county specifically instructs users not to add the street direction or suffix.

For example, search 451 and Third instead of entering “451 W Third Street.” If a numbered street does not match, try variations such as “Third” and “3rd.” The search also supports an asterisk as a wildcard.

Search by owner name

Use the name shown on the recorded deed. Enter the last name before the first name when searching for an individual. For a trust, estate, LLC or company, begin with the most distinctive part of the legal owner name and remove punctuation if necessary.

Ownership can change before every connected database or mailing record displays the update. For a recent transaction, compare the parcel’s sale or deed reference with the Recorder’s document.

Search by parcel number

A parcel ID is generally the cleanest search method when you have a tax bill, deed, reappraisal notice or prior property record. Montgomery County parcel numbers begin with a capital letter. An official example is A01 00107 0001.

Preserve spaces and formatting when possible. If the complete identifier does not work, confirm that the first character is a letter rather than a number and that every group was copied correctly.

Use advanced search carefully

Advanced tools can help researchers locate properties by characteristics, land use, value or other filters. Begin with only a few criteria. Combining too many fields can exclude the correct parcel because one recorded characteristic differs from your expectation.

What to verify inside a Montgomery County parcel record

Confirm the parcel identity before comparing values or taxes. A similar address, multiple-parcel property or adjoining vacant lot can lead to the wrong record. Also confirm the tax or valuation year shown on the screen.

Montgomery County’s 2026 full property reappraisal

Ohio law requires Montgomery County to conduct a full property reappraisal in 2026. The Auditor explains that values are being adjusted using individual property characteristics and recent property sales.

The official 2026 Property Reappraisal page provides access to new tentative values and a neighborhood map showing property and recent-sale information.

Review the property data before challenging the value

• Confirm the parcel number and property location.
• Compare the prior value with the new tentative value.
• Review recorded building area, age, use, condition and improvements.
• Check recent sales used for neighborhood context.
• Separate a factual property-record error from a disagreement about market value.
• Save dated photographs, repair estimates, appraisals or sale documents that support your position.

Market value, assessed value and the tax bill are different

Ohio generally calculates taxable assessed value at 35% of appraised market value. A property with a $250,000 market value therefore has a $87,500 assessed value before applicable adjustments.

Neither amount is the tax bill. Tax rates, voter-approved levies, reduction factors, special assessments and eligible credits also affect the amount due. A 20% value increase does not necessarily create a 20% increase in the final bill.

New values and payment records serve different purposes

The reappraisal page addresses valuation. The Treasurer handles billing, payment posting, delinquency and payment plans. If you dispute value while a tax amount is due, contact the Treasurer about the account rather than assuming an appeal pauses collection.

Find a Montgomery County property tax bill and make a payment

The Auditor calculates property values and provides parcel information, while the Montgomery County Treasurer collects real-estate taxes. Use the parcel number from MCRealEstate to search the Treasurer’s records and confirm the live balance.

Search the tax account

1. Copy the parcel ID from the official property record.
2. Open the Treasurer’s Real Estate Tax Information System.
3. Select the correct tax year.
4. Complete only one search field for the best results.
5. Choose the matching parcel and review current and prior-year amounts.
6. Use the county’s authorized payment route and save the confirmation.

2026 real-estate tax deadlines

Montgomery County’s 2026 collection calendar listed February 13, 2026, for the first-half payment and July 24, 2026, for the second-half payment. Both deadlines have passed.

The Treasurer currently lists online transaction charges of $0.50 for an e-check, 2.3% for a credit card and $2.95 for a debit card. Confirm fees on the payment screen before authorizing a transaction.

For tax bills, balances or payment-plan questions, call the Treasurer at 937-225-4010. The county lists option 2 for delinquent-payment-plan assistance.

Use the Montgomery County Auditor GIS map for location research

The Auditor’s GIS page links to the official Interactive GIS Map. It can help you locate a parcel, compare nearby properties and understand the geographic context of a property record.

Match the parcel number shown on the map with the number in MCRealEstate. If a property includes several lots, review each parcel rather than assuming one selected shape represents the complete site.

For mapping assistance, call GIS at 937-225-4596. The GIS office is listed on the third floor at 451 W Third Street, Dayton.

Montgomery County Homestead Exemption eligibility and application

The official Homestead page covers qualifying senior citizens, permanently and totally disabled homeowners and eligible surviving spouses.

Standard eligibility points

• Own and occupy the home as the primary residence as of January 1 of the application year.
• Be at least 65, or turn 65 by December 31 of the application year; qualify through permanent and total disability; or meet an eligible surviving-spouse category.
• Meet the applicable income test unless an exemption from that test applies.
• Submit the correct application and supporting documentation by the deadline.

The county instructs eligible homeowners to apply by December 31. Homeowners who received the exemption for tax year 2013 may retain protected status without the income test, including after moving to another Ohio residence. Separate provisions apply to qualifying disabled veterans and surviving spouses of public-service officers killed in the line of duty.

Prepare before applying

• Parcel number and primary-residence address.
• Applicant and spouse identification information.
• Requested income information or Ohio tax documentation.
• Disability certification when applying through disability.
• Veteran, surviving-spouse, trust or ownership documents when applicable.

Applications may be mailed to Karl L. Keith, Montgomery County Auditor, Attn: Homestead Department, 451 W Third Street, Dayton, OH 45422-1021. Call the Homestead Hotline at 937-225-4341 for questions about eligibility or documentation.

Owner-occupancy reduction

Owner occupancy is a separate tax-reduction program. The Auditor’s Forms and Documents page provides the application. Use the property as your principal residence, complete the correct year and verify the credit later on the property record or tax bill.

Montgomery County Board of Revision value complaints

The Board of Revision reviews disputes about fair market value. It can change a property value, but it cannot change a tax rate or directly rewrite the amount due simply because the bill is considered unaffordable.

How to prepare a supportable complaint

1. Open the parcel and identify the exact value and tax year being challenged.
2. State the market value you believe is correct.
3. Explain the reason for the requested change.
4. Collect credible market evidence supporting that value.
5. Complete the current complaint form and follow the filing instructions.
6. Keep proof of filing and submit hearing evidence by the required date.

The county’s BOR process guide lists potentially useful evidence such as:

• An open-market sale of the property within the last three years.
• A recently completed independent appraisal.
• Recent sales of nearby properties similar in age, area and location.
• A real-estate professional’s comparative market analysis.
• Itemized professional estimates, receipts or dated photographs documenting a property problem.

The Board says it cannot accept neighboring assessed-value lists, general neighborhood complaints, descriptions of other properties’ upkeep or disagreements about tax rates as market-value evidence.

Evidence should be uploaded to the BOR Evidence Portal at least 10 days before the hearing. The county currently conducts hearings remotely by Zoom or telephone and says hearings usually last 10–20 minutes per property.

For BOR assistance, call 937-496-6856. The Board is on the third floor of the County Administration Building and lists hours of Monday–Friday, 8 a.m.–5 p.m.

Montgomery County deed-transfer forms and conveyance fees

The Auditor reviews property transfers so the ownership and tax records can be updated. The official Deed Transfer page lists a mandatory charge of $3 per $1,000 of the actual sale price, plus $0.50 for each parcel transferred, for a taxable conveyance.

Select the correct conveyance form

A typical taxable transfer uses the Real Property Conveyance Fee Statement of Value and Receipt. A transaction that qualifies for an exemption uses the Statement of Reason for Exemption from Real Property Conveyance Fee.

Additional paperwork may apply when Homestead or Current Agricultural Use Valuation status is involved. Review the official forms and confirm the requirements before presenting a deed.

For deed-transfer questions, call 937-225-4373. The county also supports electronic filing through approved e-recording providers.

Find a recorded deed or other official real-estate document

The Auditor’s parcel record may show sale and deed-reference information, but the Montgomery County Recorder maintains the recorded document. Use the Auditor record to identify the parcel and likely transfer, then continue to the Recorder.

1. Find the correct property in MCRealEstate.
2. Copy the parcel number and review the sale or deed reference.
3. Open the Recorder’s Record Information Search System.
4. Accept the portal’s legal disclaimer and choose the appropriate search method.
5. Compare the parties, recording date and legal description with the property record.
6. Contact the Recorder when you need a certified copy or document assistance.

The Recorder is located on the fifth floor at 451 W Third Street, Dayton, OH 45422-1387. Public hours are listed as Monday–Friday, 8 a.m.–4 p.m. The office phone is 937-225-4275.

If the property search fails or a record appears incorrect

If the property is outside Montgomery County, use the appropriate county system. Nearby guides include Miami County property records, Preble County property records and Butler County Auditor searches.

Montgomery County Auditor address, hours and phone numbers

The Auditor is located at 451 W Third Street, Dayton, Ohio 45422. The mailing address is P.O. Box 972, Dayton, OH 45422. General office hours are Monday–Friday, 8 a.m.–5 p.m., excluding applicable holidays.

Have the parcel number, property address, relevant year and a short description of the issue ready. The Auditor and Board of Revision generally list 8 a.m.–5 p.m. hours, while the Treasurer and Recorder list public hours of 8 a.m.–4 p.m.