Texas / Brazoria County / ZIP 77566 / Oak Island

Oak Island

Neighborhood · Brazoria County, TX · ZIP 77566, 77486Appraisal data 2026-09-28

Oak Island (neighborhood, Brazoria County, Texas): 26 homes, median value $305,980, tax rate about 1.26%, 100.0% in a FEMA high-risk flood zone. Flood zones, property taxes, home values and pipelines from public records.

26homes

$305,980median value, 2026

1.26%median tax rate

100.0%in FEMA high-risk flood zones

+20.5%value change since 2022

Flood zones

FEMA data

26homes in a FEMA high-risk zone (A or V, 1% chance a year): 100.0% of mapped homes, above the 19.8% across Brazoria County.

0homes in the moderate zone (0.2% chance a year): 0.0%.

FEMA National Flood Hazard Layer, zone at the center of each lot, for the 26 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 data

1.26%median combined property tax rate (the same combined rate on nearly every home).

$3,849yearly tax on the $305,980 median home at the full rate, before any exemption.

Taxing units on homes here

Taxing unit	Share of homes
Brazoria County Road & Bridge Fund	100%
Brazoria County	100%
Columbia-brazoria ISD	100%
Port Freeport	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	$305,980 (about the same as the Brazoria County median of $310,000)
Median change in value, 2022–2026	+20.5% (same homes, 26 with values in both years)
Median year built	1987
Median living area	2,225 sq ft
Median lot size	50,747 sq ft (1.16 acres)

When the homes were built

Decade	Homes
1980s	15
1990s	6
2000s	4
2010s	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 data

5homes within 500 ft of an in-service transmission pipeline.

18homes within 1,000 ft.

895 ftmedian distance from a home to the nearest line.

Operators of lines within 1,000 ft of homes

Operator	Homes
Equistar Chemicals, LP	8
Chevron Pipe Line Company	7
Enterprise Crude Pipeline LLC	3

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 data

Oak Island Dr (26)

Streets with the most homes in this neighborhood, with home counts.

Look up a house in Oak Island

Street address

Each house report shows its own value history, tax units, flood zone at the center of the lot and the nearest pipeline.

Other neighborhoods in 77566

Area B-c-d-e-g-h-j-k-l Etc1,587 homes · $187,650 median Oak Forest472 homes · $316,282 median Plantation Village457 homes · $241,440 median Tanglewood429 homes · $277,500 median Flagridge Estates373 homes · $373,800 median Parkwood Terrace324 homes · $209,160 median Shywood317 homes · $249,060 median Lake Forest316 homes · $312,365 median Brazos Oaks299 homes · $175,100 median Flagridge295 homes · $248,000 median South Parkwood273 homes · $235,280 median Plantation Oaks247 homes · $381,070 median