Brazoria County property record for 1720 Koster Rd, Alvin, TX 77511
| Property Type | Single Family Home |
|---|---|
| Details | 6 ba · 1,178 sqft · built 1945 |
| Lot Size | 0.616 acres (26,850 sqft) |
| Owner | 2 Owner Names on File |
| Tax Bill | $1,084 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | 6615-0009-000 |
| Primary APN | 6615-0009-000 |
|---|---|
| Alternative APNs |
|
| Full Baths | 6 Baths |
|---|---|
| Plumbing Fixtures | 6 Plumbing Fixtures |
| Stories | 1 Story |
| Building Area | 1,178 sqft Total Area |
| 1st Floor Area | 4,594 sqft |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 2000 |
| Exterior Material | Wood |
| Construction Type | Frame |
| Foundation Type | Block |
| Roof Material | Composition Shingle |
| Lot Area | 26,850 sqft (0.616 acres) |
| Porch | Porch |
|---|---|
| Porch Area | 342 sqft |
| Patio Area | 1,316 sqft |
| Canopy | 480 sqft |
| Pole Barn | 640 sqft |
| Total Buildings | 2 Buildings |
| Cooling System | None |
|---|---|
| Heating System | Wood Furnace |
| Heating Fuel | Wood |
| Account Number | R231197 |
|---|---|
| Street Address | 1720 KOSTER RD |
| City | ALVIN |
| State | TX |
| Zip | 77511-4404 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | MINOR (ALVIN) LOT 10-11-22 |
| Legal Subdivision | MINOR |
| Legal Lot Number | 10,11 11 |
| Jurisdiction | BRAZORIA TX |
| Township / Civil Division | ALVIN-PEARLAND |
| Census Block Group | 4 |
| Census Block | 4006 |
| Census Tract | 661400 |
The current owner of 1720 Koster Rd acquired it in September 2001.
Source: Brazoria County records, as of November 24, 2025
| Owner of Record | 2 Owner Names on File |
|---|---|
| Mailing Address | 1720 KOSTER RD, ALVIN, TX 77511-4404 |
| Occupancy | Owner Occupied |
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 |
|---|---|
| Last Sale | Sep 19, 2001 |
| Deed Sale | Sep 19, 2001 |
| Deed Document Number | 01-042292 |
| Record Updated | Jun 8, 2026 |
Source: Brazoria County assessment roll, as of August 1, 2025
| Type | Name |
|---|---|
| State | Texas |
| Municipality | Alvin City |
| County | Brazoria County |
| Unified School District | Alvin Independent School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $205,583 Land $80,550 Building $278,960 | $359,510 Land $80,550 Building $278,960 | |
| 2024 | $1,084.00 | ||
| 2023 | $350,350 Land $66,590 Building $283,760 | $350,350 Land $66,590 Building $283,760 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1720 Koster Rd in Zone X, an area of minimal flood risk, though there have been 120 flood claims nearby since 1979.
Source: FEMA National Flood Hazard Layer, effective September 9, 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 41 policies |
| Nearby Flood Policies | 41 in force |
| Nearby Flood Claims | 120 (1979–2026) |
| Claims Outside the SFHA | 92 of 120 |
| Most Recent Claim | Jun 2026 · rainfall accumulation |
| 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 1720 Koster Rd 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 ALVIN serves 26,244 people · EPA ID TX0200001 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Apr 2024 |
| Lead | Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 352 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Rise Broadband Fixed Wireless | 500 / 100 |
| Rural Telecommunications of America Fixed Wireless | 300 / 150 |
| Verizon Fixed Wireless | 300 / 20 |
| Skynet Fixed Wireless | 100 / 50 |
May also be available: T-Mobile.
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