Harris County property record for 511 Oldcastle St, Houston, TX 77013
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,211 sqft · built 1960 |
| Lot Size | 0.152 acres (6,600 sqft) |
| Owner | Company Name on File |
| Last Sale | $167,447 (Apr 2021) |
| Tax Bill | $2,016 (2025) |
| Deeds & Mortgages | Apr 2021 Mortgage |
| Flood Zone | Zone X (moderate risk) |
| APN | 093-161-000-0076 |
| Primary APN | 093-161-000-0076 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 7 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,211 sqft Living Area |
| 1st Floor Area | 1,211 sqft |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 2014 |
| Architectural Style | Traditional |
| Exterior Material | Brick Veneer |
| Construction Type | Brick |
| Foundation Type | Slab (Mat/Raft) |
| Lot Area | 6,600 sqft (0.152 acres) |
| View / Lot | Neighborhood |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0931610000076 |
|---|---|
| Street Address | 511 OLDCASTLE ST |
| City | HOUSTON |
| State | TX |
| Zip | 77013-5322 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 76 BLK 2 SONGWOOD SEC 2 |
| Legal Subdivision | SONGWOOD SEC 2 |
| Legal Block | 2 |
| Legal Lot Number | 76 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | HOUSTON |
| Census Block Group | 1 |
| Census Block | 1021 |
| Census Tract | 232600 |
511 Oldcastle St is owned by a company that bought it in April 2021 and is owner-occupied.
Source: Harris County records, as of September 29, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 511 OLDCASTLE ST, HOUSTON, TX 77013-5322 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
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 | Name on Deed |
|---|---|
| Last Sale | Apr 1, 2021 · Amount on File |
| Deed Sale | Apr 1, 2021 · Amount on File |
| Prior Sale | Jul 25, 2014 |
| Deed Document Number | 2021173792 |
| Record Updated | Oct 29, 2026 |
| Document Type | Vendor's Lien |
|---|---|
| Jurisdiction | HARRIS TX |
| Recording Date | Apr 1, 2021 |
| Property Address | 511 OLDCASTLE ST, HOUSTON, TX 77013-5322 |
| Document Number | 2021173792 |
| Map Reference | VOL 72 PG 14 |
| Instrument Date | Mar 29, 2021 |
| Instrument | 2021-173792 |
| Transaction Type | Transfer |
| Record Updated | Sep 6, 2021 |
| Title Company | GREAT AMERICAN TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 511 OLDCASTLE ST, HOUSTON, TX 77013-5322 |
| Document Number | 2021173793 |
|---|---|
| Date | Apr 1, 2021 |
| Instrument | 2021-173793 |
| Name | INTERLINC MORTGAGE SERVICES LLC |
|---|---|
| Type | Mortgage Company |
| Special Notes | Seller Financed |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Apr 1, 2051 |
The 2025 property tax bill for 511 Oldcastle St was $2,016 with a homeowner's exemption, down 48.1% from the year before.
Source: Harris County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Texas |
| County | Harris County |
| Municipality | Houston City |
| Unified School District | Houston Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $201,711 (+5.84%) Land $33,000 Building $168,711 | $201,711 (+5.84%) Land $33,000 Building $168,711 | |
| 2025 | $2,016.00 (-48.13%) Homeowner's exemption | $190,586 Land $33,000 Building $157,586 | $190,586 Land $33,000 Building $157,586 |
| 2024 | $3,887.00 | ||
| 2023 | $180,846 Land $33,000 Building $147,846 | $180,846 Land $33,000 Building $147,846 | |
| 2022 | $3,643.00 | ||
| 2020 | $3,047.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 511 Oldcastle St in Zone X, an area of moderate flood risk, though there have been 53 flood claims nearby since 1979.
Source: FEMA National Flood Hazard Layer, effective May 17, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 81 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 81 in force |
| Nearby Flood Claims | 53 (1979–2018) |
| Claims Outside the SFHA | 21 of 53 |
| Most Recent Claim | Apr 2018 |
| Claims by Event |
|
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 511 Oldcastle St is low, with 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 97% of the US · lower than 98.3% of Texas |
|---|---|
| Wildfire Likelihood | 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 HOUSTON serves 2,970,543 people · EPA ID TX1010013 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Oct 2025 |
| Lead | 5 ppb (2024) action level 15 ppb |
| Water Quality | Turbidity resolved · May 2025 |
|---|---|
| Treatment and Procedure | None last 10 years |
| 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 331 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures