Harris County property record for 509 Grant St, Deer Park, TX 77536
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,574 sqft · built 1977 |
| Lot Size | 0.171 acres (7,437 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $185,000 (Aug 2018) |
| Tax Bill | $6,476 (2025) |
| Deeds & Mortgages | Oct 2021 Mortgage Aug 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 107-433-000-0026 |
| Primary APN | 107-433-000-0026 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,574 sqft Living Area |
| 1st Floor Area | 1,574 sqft |
| Game Room | Game Room |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 2009 |
| Architectural Style | Traditional |
| Exterior Material | Brick Veneer |
| Construction Type | Brick |
| Foundation Type | Slab (Mat/Raft) |
| Lot Area | 7,437 sqft (0.171 acres) |
| View / Lot | Neighborhood |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Porch |
| Porch Area | 440 sqft |
| Patio Area | 120 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 1074330000026 |
|---|---|
| Street Address | 509 GRANT ST |
| City | DEER PARK |
| State | TX |
| Zip | 77536-6240 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 26 BLK 2 HERITAGE SEC 1 |
| Legal Subdivision | HERITAGE SEC 1 |
| Legal Block | 2 |
| Legal Lot Number | 26 |
| Jurisdiction | HARRIS TX |
| Township / Civil Division | SOUTHEAST HARRIS |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 342900 |
509 Grant St is owned and occupied by two individuals who bought it in August 2018.
Source: Harris County records, as of September 29, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 509 GRANT ST, DEER PARK, TX 77536-6240 |
| Occupancy | Owner Occupied |
| 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.
| Date | Document |
|---|---|
| Oct 21, 2021 | Deed of Trust, Mortgage · Conventional Mortgage NATIONSTAR MORTGAGE LLC |
| Aug 29, 2018 | Warranty Deed, Transfer HOMETRUST MTG |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 29, 2018 · Amount on File |
| Deed Sale | Aug 29, 2018 · Amount on File |
| Prior Sale | Sep 2, 2009 · Amount on File |
| Deed Document Number | 2018395393 |
| Prior Transfer Date | Aug 28, 2018 |
| Prior Transfer Doc | 0000395393 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | HARRIS TX |
| Property Address | 509 GRANT ST, DEER PARK, TX 77536-6240 |
| Transaction Type | Mortgage |
| Record Updated | Oct 27, 2021 |
| Name | Verified Name |
|---|
| Document Number | 2021607432 |
|---|---|
| Date | Oct 21, 2021 |
| Instrument | 2021-607432 |
| Name | NATIONSTAR MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | GARLAND, TX 75049 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2051 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | HARRIS TX |
| Recording Date | Aug 29, 2018 |
| Property Address | 509 GRANT ST, DEER PARK, TX 77536-6240 |
| Document Number | 0000395393 |
| Instrument Date | Aug 27, 2018 |
| Instrument | 395393 |
| Transaction Type | Transfer |
| Record Updated | Sep 10, 2018 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 509 GRANT ST DEER PARK TX 775366240, DEER PARK, TX 77536-6240 |
| Document Number | 395394 |
|---|---|
| Date | Aug 29, 2018 |
| Instrument | 395394 |
| Name | HOMETRUST MTG |
|---|---|
| Type | Mortgage Company |
| Address | HOUSTON, TX 77056 |
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Due | Aug 28, 2048 |
The 2025 property tax bill for 509 Grant St was $6,476, up 5.2% from the year before.
Source: Harris County assessment roll, as of September 29, 2026
| Type | Name |
|---|---|
| State | Texas |
| Municipality | Deer Park City |
| County | Harris County |
| Unified School District | Deer Park Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $253,546 (+3.45%) Land $68,852 Building $184,694 | $253,546 (+3.45%) Land $68,852 Building $184,694 | |
| 2025 | $6,476.00 (+5.23%) | $245,093 Land $68,852 Building $176,241 | $245,093 Land $68,852 Building $176,241 |
| 2024 | $6,154.00 | ||
| 2023 | $257,719 Land $58,259 Building $199,460 | $257,719 Land $58,259 Building $199,460 | |
| 2022 | $4,645.00 | ||
| 2020 | $3,978.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 509 Grant St in Zone X, an area of minimal flood risk, though there have been 104 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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 192 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 192 in force |
| Nearby Flood Claims | 104 (1979–2017) |
| Claims Outside the SFHA | 84 of 104 |
| Most Recent Claim | Sep 2017 · Hurricane Harvey |
| 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.
The area around 509 Grant St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 DEER PARK serves 34,495 people · EPA ID TX1010007 |
|---|---|
| Water Source | Purchased surface water from CITY OF HOUSTON |
| Last State Inspection | Feb 2023 |
| Lead | Under 1 ppb (2024–2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Coliform assessment Aug 2017 |
| 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.
Source: FCC Broadband Data Collection, based on 701 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: T-Mobile, Verizon.
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