Texas / Brazoria County / ZIP 77511 / Watermark
Watermark
Watermark (neighborhood, Brazoria County, Texas): 152 homes, median value $304,495, tax rate about 3.30%, 12.7% 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 150 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 |
|---|---|
| Brazoria County | 100% |
| Brazoria County MUD #81 | 100% |
| Alvin College | 100% |
| Brazoria County Road & Bridge Fund | 100% |
| Alvin ISD | 100% |
| Brazoria County Conservation & Reclamation District #3 | 100% |
| City of Alvin | 100% |
Rates are the sum of every taxing unit on each property at 2025 adopted rates, the latest full year. Values from Brazoria County Appraisal District files dated 2026-09-28. 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 | $304,495 (about the same as the Brazoria County median of $310,000) |
| Median year built | 2024 |
| Median living area | 1,860 sq ft |
| Median lot size | 7,649 sq ft |
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 |
|---|---|
| Enterprise Products Operatingllc | 89 |
| Ineos USA LLC | 27 |
| Chevron Pipe Line Company | 24 |
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 dataGreat Barracuda Ln (54), Marina Bay Dr (26), Lilypad Dr (21), Bluegill Ln (18), River Coral Ln (16), Perch St (10), White Carp Ln (3), Paddlefish Ln (2), Zander Ct (1), Stargrass Ln (1)
Streets with the most homes in this neighborhood, with home counts.
Look up a house in Watermark
Each house report shows its own value history, tax units, flood zone at the center of the lot and the nearest pipeline.