Pontotoc County property record for 521 S Highland St, Ada, OK 74820
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,463 sqft · built 1920 |
| Lot Size | 0.228 acres (9,940 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $82,500 (Apr 2010) |
| Tax Bill | $1,272 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 13702 |
| Primary APN | 13702 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,463 sqft Living Area |
| 1st Floor Area | 1,463 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Traditional |
| Exterior Material | Brick Veneer |
| Foundation Type | Block |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 9,940 sqft (0.228 acres) |
| Lot Dimensions | 142 ft deep x 70 ft wide |
| Garage Type | Carport |
| Garage Area | 684 sqft |
| Carport | Carport |
| Carport Area | 684 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Open Porch |
|---|---|
| Porch Area | 63 sqft |
| Patio Area | 63 sqft |
| Shed | 1 Shed |
| Shed Area | 200 sqft |
| Cooling System | Window A/C |
|---|---|
| Heating System | Space Heater |
| Account Number | 13702 |
|---|---|
| Street Address | 521 S HIGHLAND ST |
| City | ADA |
| State | OK |
| Zip | 74820-6950 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | S 20'LOT 4 & LOT 5 BLOCK 18 HILLTOP |
| Legal Subdivision | HILLTOP -ADA SD- SW 34-4-6 |
| Legal Block | 18 |
| Legal Lot Number | 4,5 |
| Jurisdiction | PONTOTOC OK |
| Township / Civil Division | ADA |
| Census Block Group | 2 |
| Census Block | 2025 |
| Census Tract | 88900 |
521 S Highland St is owned by two individuals who bought it in April 2010.
Source: Pontotoc County records, as of September 23, 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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 2000 E 21ST ST, ADA, OK 74820-7303 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 8, 2010 · Amount on File |
| Deed Sale | Apr 8, 2010 · Amount on File |
| Prior Sale | Nov 22, 1999 · Amount on File |
| Deed Document Number | 20101855 |
| Deed Book / Page | 2440 / 38 |
| Prior Transfer Date | Sep 1, 2007 |
| Prior Transfer Doc | 002210/289 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 521 S Highland St was $1,272, up 1.3% from the year before.
Source: Pontotoc County assessment roll, as of January 23, 2026
| Type | Name |
|---|---|
| State | Oklahoma |
| Municipality | Ada City |
| County | Pontotoc County |
| Unified School District | Ada Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $12,828 (+5.01%) Land $1,728 Building $11,100 | $106,895 (-17.86%) Land $14,397 Building $92,498 | |
| 2025 | $1,272.00 (+1.27%) | $12,216 (+4.99%) Land $1,645 Building $10,571 | $130,144 (-2.68%) Land $17,501 Building $112,643 |
| 2024 | $1,256.00 (+9.89%) | $11,635 (+5%) Land $1,567 Building $10,068 | $133,728 (+44.82%) Land $17,501 Building $116,227 |
| 2023 | $1,143.00 | $11,081 Land $1,500 Building $9,581 | $92,341 Land $12,500 Building $79,841 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 521 S Highland St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective July 17, 2012
| 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.
Wildfire risk around 521 S Highland St is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 94% of Oklahoma |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond ember reach |
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 | ADA serves 22,600 people · EPA ID OK2006201 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2024 |
| Lead | 2 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line inventory Oct 2024 |
| Monitoring and Reporting | 2 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 260 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sparklight Cable | 1,000 / 50 |
| 360 Broadband Fixed Wireless | 400 / 50 |
| Atlink Services Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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