Butler County property record for 321 Clay Ave, Mars, PA 16046 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 528 sqft · built 1900 |
| Lot Size | 0.17 acres (7,405 sqft) |
| Owner | Individual Name on File |
| Last Sale | $109,500 (Sep 2003) |
| Tax Bill | $379 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 450 S2 J290000 |
| Primary APN | 450 S2 J290000 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Building Area | 528 sqft Living Area |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Conventional |
| Lot Area | 7,405 sqft (0.17 acres) |
| Garage Area | 176 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 321 CLAY AVE |
|---|---|
| City | MARS |
| State | PA |
| Zip | 16046-3402 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 0.17 AC HSE GAR |
| Jurisdiction | BUTLER PA |
| Township / Civil Division | MARS |
| Census Block Group | 3 |
| Census Block | 3020 |
| Census Tract | 912405 |
Source: Butler County records · APN 450 S2 J290000
Assessment roll updated June 8, 2026 · Last verified June 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 321 CLAY AVE, MARS, PA 16046-3402 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 02, 2003 · Amount on Record |
| Deed Sale | Sep 02, 2003 · Amount on Record |
| Deed Document Number | 200339626 |
| Record Updated | Sep 20, 2026 |
Source: Butler County records · Assessment roll updated June 8, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Pennsylvania |
| County | Butler County |
| Municipality | Mars Borough |
| Unified School District | Mars Area School District (KG - 12) |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $379.00 (-67.36%) Homeowner's exemption | $7,170 (-) Land $1,080 Building $6,090 | $7,170 (-) Building $7,170 |
| 2025 | $1,161.00 (+18.23%) | $7,170 (-) Land $1,080 Building $6,090 | |
| 2024 | $982.00 Homeowner's exemption | $7,170 Land $1,080 Building $6,090 | |
| $7,170 Building $7,170 |
Source: FEMA National Flood Hazard Layer, Butler County (42019C), updated April 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 420199124053, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Nearby Flood Policies | 2 in force |
| Wildfire Risk | Low above 20% of the US · above 43% of Pennsylvania |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 131 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Consolidated Communications | Fiber | 2,000 / 2,000 |
| Armstrong Holdings | Fiber | 1,000 / 1,000 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| AT&T | Fixed Wireless | 100 / 20 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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