Texas / Galveston County / ZIP 77546 / Greenbriar
Greenbriar
Greenbriar (neighborhood, Galveston County, Texas): 88 homes, median value $604,925, tax rate about 1.99%, 0.0% in a FEMA high-risk flood zone. Flood zones, property taxes, home values and pipelines from public records.
Flood zones
FEMA dataFEMA National Flood Hazard Layer, zone at the center of each lot, for the 88 homes with a mapped lot. Flooding outside mapped zones does happen; check the flood insurance claims history and an elevation certificate for a specific house.
Property taxes
Appraisal district dataTaxing units on homes here
| Taxing unit | Share of homes |
|---|---|
| Galveston County Road & Flood | 100% |
| Galveston County | 100% |
| Gal Co Consolidated Drainage | 53% |
| Friendswood ISD | 53% |
| Friendswood City | 53% |
| Santa Fe ISD | 47% |
| Galco Drainage Dist #1 | 47% |
| Galco Emergency Service #1 | 47% |
| College of the Mainland | 47% |
Rates are the sum of every taxing unit on each property at 2025 adopted rates, the latest full year. Values from Galveston Central Appraisal District files dated 2026-07-20. Homestead exemptions and caps belong to the current owner and do not transfer to a buyer.
Homes and values
Appraisal district data| Measure | Value |
|---|---|
| Median market value, 2026 | $604,925 (above the Galveston County median of $318,095) |
| Median change in value, 2022–2026 | +53.1% (same homes, 87 with values in both years) |
| Median year built | 1978 |
| Median living area | 2,486 sq ft |
| Median lot size | 39,683 sq ft (0.91 acres) |
When the homes were built
| Decade | Homes |
|---|---|
| 1960s | 4 |
| 1970s | 44 |
| 1980s | 13 |
| 1990s | 16 |
| 2000s | 3 |
| 2010s | 5 |
| 2020s | 1 |
Single-family homes, townhomes, condos and mobile homes on owned land. Market value is the appraisal district's estimate, not an appraisal or sale price.
Pipelines
Railroad Commission dataOperators of lines within 1,000 ft of homes
| Operator | Homes |
|---|---|
| Kinder Morgan Tejas Pipeline LLC | 41 |
| Bp Pipelines (north America),inc | 16 |
Straight-line distance from the center of each lot to the nearest in-service transmission line on the Texas Railroad Commission's map. Distribution gas lines are not included.
Streets
Appraisal district dataEvergreen Dr (18), Greenbriar St (15), W Castlewood Ave (14), Ave E (9), Greenbriar Dr (9), Troy St (6), Ave F (6), Falling Leaf Dr (6), 32nd St (5)
Streets with the most homes in this neighborhood, with home counts.
Look up a house in Greenbriar
Each house report shows its own value history, tax units, flood zone at the center of the lot and the nearest pipeline.