Texas / Brazoria County / ZIP 77422 / River Run

River Run

Neighborhood · Brazoria County, TX · ZIP 77422, 77480Appraisal data 2026-09-28

River Run (neighborhood, Brazoria County, Texas): 27 homes, median value $424,290, tax rate about 1.44%, 100.0% in a FEMA high-risk flood zone. Flood zones, property taxes, home values and pipelines from public records.

27homes

$424,290median value, 2026

1.44%median tax rate

100.0%in FEMA high-risk flood zones

+17.0%value change since 2022

Flood zones

FEMA data

27homes 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 27 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

1.44%median combined property tax rate (the same combined rate on nearly every home).

$6,102yearly tax on the $424,290 median home at the full rate, before any exemption.

Taxing units on homes here

Taxing unit	Share of homes
Brazoria County	100%
Sweeny Hospital District	100%
Brazoria County Emergency District #2	100%
Port Freeport	100%
Brazoria County Road & Bridge Fund	100%
Sweeny ISD	100%
West Brazoria County Drainage District #11	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	$424,290 (above the Brazoria County median of $310,000)
Median change in value, 2022–2026	+17.0% (same homes, 27 with values in both years)
Median year built	1995
Median living area	2,081 sq ft
Median lot size	62,204 sq ft (1.43 acres)

When the homes were built

Decade	Homes
1980s	1
1990s	16
2000s	9
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

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

0homes within 1,000 ft.

2,040 ftmedian distance from a home to the nearest line.

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

County Road 461B (21), County Road 461B Rd (2), River Run / CR 461B Rd (1), N River Run Rd (1), E River Run Rd (1), County Road 461A (1)

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

Look up a house in River Run

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 77422

Outlots & Townsite349 homes · $143,810 median Wild Peach304 homes · $223,905 median Garden Acres248 homes · $242,807 median Holiday Shores163 homes · $183,460 median Las Playas145 homes · $130,380 median James Cummings137 homes · $319,440 median Joseph Mims116 homes · $194,845 median Carlton100 homes · $137,150 median Northside99 homes · $158,320 median Carlton Wooded Acres93 homes · $198,520 median Royal Ridge89 homes · $208,900 median Wilson81 homes · $129,420 median