Texas / Galveston County / ZIP 77590 / Mainland Park

Mainland Park

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

Mainland Park (neighborhood, Galveston County, Texas): 1,031 homes, median value $222,600, 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.

1,031homes

$222,600median value, 2026

2.22%median tax rate

0.0%in FEMA high-risk flood zones

+15.7%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 1,031 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).

$4,947yearly tax on the $222,600 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	$222,600 (below the Galveston County median of $318,095)
Median change in value, 2022–2026	+15.7% (same homes, 1,029 with values in both years)
Median year built	1965
Median living area	1,734 sq ft
Median lot size	10,390 sq ft

When the homes were built

Decade	Homes
1940s	3
1950s	102
1960s	44
1970s	26
1980s	30
1990s	17
2000s	12
2010s	14
2020s	8

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

255homes within 500 ft of an in-service transmission pipeline.

566homes within 1,000 ft.

910 ftmedian distance from a home to the nearest line.

Operators of lines within 1,000 ft of homes

Operator	Homes
Energy Transfer Company	449
Enterprise Products Operatingllc	84
Gel Texas Pipeline, LLC	33

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

23rd Ave N (116), 20th Ave N (111), 22nd Ave N (110), 19th Ave N (106), 24th Ave N (101), 21st Ave N (77), 17th Ave N (55), San Jacinto (52), 25th Ave N (46), 18th Ave N (43), Mainland Dr (30), 16th Ave N (26)

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

Look up a house in Mainland Park

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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