ZIP 77623

ZIP code · Galveston County, TXAppraisal data 2026-07-20

ZIP 77623 (ZIP code, Galveston County, Texas): 182 homes, median value $167,010, tax rate about 1.54%, 5.1% in a FEMA high-risk flood zone. Flood zones, property taxes, home values and pipelines from public records.

182homes

$167,010median value, 2026

1.54%median tax rate

5.1%in FEMA high-risk flood zones

+37.4%value change since 2022

Neighborhoods in 77623

Appraisal district data

Neighborhood	Homes	Median value	Tax rate	High-risk flood
High Island Townsite	108	$161,840	1.54%	4%

Flood zones

FEMA data

9homes in a FEMA high-risk zone (A or V, 1% chance a year): 5.1% of mapped homes, below the 34.2% across Galveston County.

14homes in the moderate zone (0.2% chance a year): 7.9%.

FEMA National Flood Hazard Layer, zone at the center of each lot, for the 178 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

1.54%median combined property tax rate (the same combined rate on nearly every home).

$2,577yearly tax on the $167,010 median home at the full rate, before any exemption.

Taxing units on homes here

Taxing unit	Share of homes
Galveston County Road & Flood	100%
High Island ISD	100%
Galveston County	100%
Galco Emergency Service #2	100%

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	$167,010 (below the Galveston County median of $318,095)
Median change in value, 2022–2026	+37.4% (same homes, 180 with values in both years)
Median year built	1997
Median living area	1,328 sq ft
Median lot size	18,699 sq ft

When the homes were built

Decade	Homes
1930s	1
1950s	6
1960s	6
1970s	13
1980s	9
1990s	9
2000s	14
2010s	17
2020s	4

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

0homes within 500 ft of an in-service transmission pipeline.

0homes within 1,000 ft.

178homes with no transmission line within 3 miles.

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.

Look up a house in 77623

Street address

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