Travis County property record for 307 Blackson Ave, Austin, TX 78752
| Property Type | Duplex |
|---|---|
| Details | 2 ba · 2,587 sqft · built 1984 |
| Lot Size | 0.168 acres (7,327 sqft) |
| Owner | Owner Name on File |
| Tax Bill | $5,000 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 0231140904 |
| Primary APN | 0231140904 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 2,587 sqft Total Area |
| Gross Area | 2,224 sqft |
| 1st Floor Area | 2,587 sqft |
| Year Built | Built 1984 |
|---|---|
| Foundation Type | Slab (Mat/Raft) |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 7,327 sqft (0.168 acres) |
| Lot Dimensions | 145 ft deep x 50 ft wide |
| Garage Type | Attached |
| Garage Area | 378 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Porch |
| Porch Area | 124 sqft |
| Deck Area | 210 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Account Number | 232679 |
|---|---|
| Old Parcel Number | 02311409040000 |
| Street Address | 307 BLACKSON AVE |
| City | AUSTIN |
| State | TX |
| Zip | 78752-2610 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | LOT 10 BLK 9 ST JOHNS HOME ADDN |
| Legal Subdivision | ST JOHNS HOME ADDN |
| Legal Block | 9 |
| Legal Lot Number | 10 |
| Jurisdiction | TRAVIS TX |
| Township / Civil Division | AUSTIN |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 40000 |
Source: Travis County records · APN 0231140904
Assessment roll updated August 1, 2025 · Last verified November 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | 307 BLACKSON AVE # A, A, AUSTIN, TX 78752-2610 |
| Occupancy | Owner Occupied |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Feb 11, 2004 |
| Deed Sale | Feb 11, 2004 |
| Deed Document Number | 2004025776 |
| Record Updated | Jun 08, 2026 |
Source: Travis County records · Assessment roll updated August 1, 2025 · Last verified November 2025
| Type | Name |
|---|---|
| State | Texas |
| Municipality | Austin City |
| County | Travis County |
| Unified School District | Austin Independent School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $366,489 (-39.8%) Land $255,947 Building $110,542 | $366,489 (-39.8%) Land $255,947 Building $110,542 | |
| 2024 | $5,000.00 (-19.2%) | ||
| 2023 | $608,771 Land $240,000 Building $368,771 | $608,771 Land $240,000 Building $368,771 | |
| 2022 | $6,188.00 |
Source: FEMA National Flood Hazard Layer as of May 17, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Google Fiber Fiber | 8,000 / 8,000 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Radiate Holdings Cable · Fiber in parts of the area | 1,500 / 50 |
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 637 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF AUSTIN WATER & WASTEWATER serves 1,115,323 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2023 |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | Turbidity resolved · Feb 2022 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them. The full violation and enforcement history is in the system's EPA record.
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