Montgomery County property record for 421 Hypathia Ave, Dayton, OH 45404
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,057 sqft · built 1920 |
| Lot Size | 0.129 acres (5,624 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $1,713 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | I39-00616-0042 |
| Primary APN | I39-00616-0042 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 5 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,057 sqft Living Area |
| 1st Floor Area | 864 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Bungalow |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Lot Area | 5,624 sqft (0.129 acres) |
| Lot Dimensions | 125 ft deep x 45 ft wide |
| View / Lot | Neighborhood / Spot |
| Garage Type | Detached |
| Garage Area | 216 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Frame Porch |
|---|---|
| Porch Area | 144 sqft |
| Deck Area | 80 sqft |
| Patio Area | 80 sqft |
| Heating System | Central |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 421 HYPATHIA AVE |
|---|---|
| City | DAYTON |
| State | OH |
| Zip | 45404-2340 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 89 AVONDALE PK |
| Legal Subdivision | AVONDALE PK |
| Legal Lot Number | 42 |
| Jurisdiction | MONTGOMERY OH |
| Township / Civil Division | RIVERSIDE |
| Census Block Group | 5 |
| Census Block | 5023 |
| Census Tract | 90302 |
Source: Montgomery County records, as of July 2, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 714 HALDEMAN AVE, DAYTON, OH 45404-1441 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Jun 3, 1999 |
| Transfer Doc | 9906000009 |
| Record Updated | Sep 20, 2026 |
Source: Montgomery County assessment roll, as of December 30, 2025
| Type | Name |
|---|---|
| State | Ohio |
| County | Montgomery County |
| Municipality | Riverside City |
| Unified School District | Mad River Local School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,713.00 (+92.69%) | $17,960 (-) Land $4,250 Building $13,710 | $51,290 (-) Land $12,130 Building $39,160 |
| 2023 | $889.00 (-10.74%) | $17,960 (+25.07%) Land $4,250 Building $13,710 | $51,290 (+25.01%) Land $12,130 Building $39,160 |
| 2022 | $996.00 | $14,360 Land $3,400 Building $10,960 | |
| 2020 | $41,030 Land $9,710 Building $31,320 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective June 21, 2024
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 90% of Ohio |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | MONTGOMERY COUNTY WATER SERVICES 1 PWS serves 150,207 people · EPA ID OH5701315 |
|---|---|
| Water Source | Purchased surface water from DAYTON PUBLIC WATER SYSTEM |
| Last State Inspection | Jan 2025 |
| Lead | Under 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Corrosion control Jul 2017 |
| Monitoring and Reporting | None 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.
Source: FCC Broadband Data Collection, based on 277 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures