Texas / Brazoria County / ZIP 77511 / I & G North R R

I & G North R R

Neighborhood · Brazoria County, TX · ZIP 77511, 77584, 77546Appraisal data 2026-09-28

I & G North R R (neighborhood, Brazoria County, Texas): 176 homes, median value $334,960, tax rate about 1.84%, 38.4% in a FEMA high-risk flood zone. Flood zones, property taxes, home values and pipelines from public records.

176homes

$334,960median value, 2026

1.84%median tax rate

38.4%in FEMA high-risk flood zones

+31.9%value change since 2022

Flood zones

FEMA data

66homes in a FEMA high-risk zone (A or V, 1% chance a year): 38.4% of mapped homes, above the 19.8% across Brazoria County.

6homes in the moderate zone (0.2% chance a year): 3.5%.

FEMA National Flood Hazard Layer, zone at the center of each lot, for the 172 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

1.84%median combined property tax rate (most homes fall between 1.84–2.45%).

$6,165yearly tax on the $334,960 median home at the full rate, before any exemption.

Taxing units on homes here

Taxing unit	Share of homes
Brazoria County	100%
Alvin College	100%
Brazoria County Road & Bridge Fund	100%
Alvin ISD	100%
Brazoria County Conservation & Reclamation District #3	100%
Brazoria County Emergency District #3	81%
City of Alvin	19%

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	$334,960 (above the Brazoria County median of $310,000)
Median change in value, 2022–2026	+31.9% (same homes, 174 with values in both years)
Median year built	1984
Median living area	1,900 sq ft
Median lot size	86,902 sq ft (1.99 acres)

When the homes were built

Decade	Homes
1910s	1
1930s	3
1950s	5
1960s	20
1970s	34
1980s	26
1990s	21
2000s	24
2010s	14
2020s	7

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

55homes within 500 ft of an in-service transmission pipeline.

103homes within 1,000 ft.

785 ftmedian distance from a home to the nearest line.

Operators of lines within 1,000 ft of homes

Operator	Homes
Equistar Chemicals, LP	36
Enterprise Products Operatingllc	22
Chevron Pipe Line Company	18
Ineos USA LLC	8

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 695 (16), County Road 947 (15), County Road 155 (14), County Road 351 (13), County Road 357 (13), Clifford St (9), FM 517 (9), County Road 367 (8), County Road 357A (6), County Road 159 (6), County Road 154 (6), County Road 545 (5)

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

Look up a house in I & G North R R

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 77511

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