Texas / Galveston County / ZIP 77590 / Koch

Koch

Neighborhood · Galveston County, TX · ZIP 77590, 77591Appraisal data 2026-07-20

Koch (neighborhood, Galveston County, Texas): 45 homes, median value $194,660, tax rate about 2.22%, 0.0% in a FEMA high-risk flood zone. Flood zones, property taxes, home values and pipelines from public records.

45homes

$194,660median value, 2026

2.22%median tax rate

0.0%in FEMA high-risk flood zones

+40.9%value change since 2022

Flood zones

FEMA data

0homes in a FEMA high-risk zone (A or V, 1% chance a year): 0.0% of mapped homes, below the 34.2% across Galveston 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 45 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

2.22%median combined property tax rate (the same combined rate on nearly every home).

$4,326yearly tax on the $194,660 median home at the full rate, before any exemption.

Taxing units on homes here

Taxing unit	Share of homes
Galveston County Road & Flood	100%
Texas City ISD	100%
Texas City	100%
College of the Mainland	100%
Galveston County	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	$194,660 (below the Galveston County median of $318,095)
Median change in value, 2022–2026	+40.9% (same homes, 45 with values in both years)
Median year built	1981
Median living area	1,316 sq ft
Median lot size	8,750 sq ft

When the homes were built

Decade	Homes
1940s	8
1950s	5
1980s	1
1990s	2
2000s	2
2010s	5
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

2homes within 500 ft of an in-service transmission pipeline.

28homes within 1,000 ft.

880 ftmedian distance from a home to the nearest line.

Operators of lines within 1,000 ft of homes

Operator	Homes
Enterprise Products Operatingllc	28

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

12th Ave N (9), 5th Ave N (8), 6th Ave N (7), 8th Ave N (7), 7th Ave N (6), 23rd St N (5), 25th St N (3)

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

Look up a house in Koch

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 77590

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