Boone County property record for 522 S William St, Columbia, MO 65201
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 3 ba · 2,398 sqft · built 1943 |
| Lot Size | 0.189 acres (8,250 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $1,707 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 17-405-00-25-025-00 |
| Primary APN | 17-405-00-25-025-00 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,398 sqft Total Area |
| 1st Floor Area | 850 sqft |
| Basement Area | 72 sqft |
| Finished Basement | 374 sqft |
| Year Built | Built 1943 |
|---|---|
| Effective Year Built | Effective 1943 |
| Architectural Style | Other |
| Exterior Material | Combination |
| Lot Area | 8,250 sqft (0.189 acres) |
| Lot Dimensions | 125 ft deep x 66 ft wide |
| Porch | Slab |
| Patio Area | 27 sqft |
| Heating Fuel | Gas |
|---|
| Street Address | 522 S WILLIAM ST |
|---|---|
| City | COLUMBIA |
| State | MO |
| Zip | 65201-5949 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R3 |
| Legal Description | INGLESIDE ADDN S66'OF W125'LOT 7 |
| Legal Range | 12W |
| Legal Township | 48N |
| Legal Section | 18 |
| Legal Subdivision | INGLESIDE ADD |
| Legal Lot Number | 7 |
| Jurisdiction | BOONE MO |
| Township / Civil Division | COLUMBIA |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 300 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the East Campus Neighborhood Historic District listed 1996 · 267 contributing resources · NRIS 96000019 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
522 S William St, a duplex, is owned by two individuals.
Source: Boone County records, as of September 29, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1712 MIZZOU PL, 5A, COLUMBIA, MO 65201-7618 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 522 S William St was $1,707.
Source: Boone County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Missouri |
| County | Boone County |
| Municipality | Columbia City |
| Unified School District | Columbia 93 School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $26,068 (-) Land $3,230 Building $22,838 | ||
| 2025 | $1,707.00 | $26,068 Land $3,230 Building $22,838 | $137,200 Land $17,000 Building $120,200 |
| 2023 | $1,585.00 (+12.17%) | $23,693 Land $3,230 Building $20,463 | $124,700 Land $17,000 Building $107,700 |
| 2022 | $1,413.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 522 S William St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective January 30, 2022 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
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.
Wildfire risk around 522 S William St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 98.2% of Missouri |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | CITY OF COLUMBIA UTILITIES serves 126,254 people · EPA ID MO3010181 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Dec 2025 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 304 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Socket Telecom Fiber | 2,500 / 2,500 |
| Brightspeed Fiber | 1,000 / 1,000 |
| Mediacom Xtream Cable · Fiber in parts of the area | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: FireServe, Wisper ISP.
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