21427 RIVER COURT DR
Valuation
Tax & Assessment
Climate Risk
Scores 0–100; higher = greater projected risk.
Property Facts
Transaction History(1)
Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
District: Cypress-Fairbanks Independent School District
Neighborhood · ZIP 77449These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.
How this home compares
21427 River Court Dr measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.
- Worth less than 90% of homes in Katy 77449
- Costs less per square foot than 65% of homes in Harris County
- Smaller than 73% of homes in Katy 77449
- Has a bigger lot than 74% of homes in Katy 77449
- Older than 85% of homes in Katy 77449
What homes are worth in Katy 77449
Each bar is how many homes fall in that price range. The marker is this home.
This home is worth more than 10% of homes in Katy 77449.
How it measures up in Katy 77449
The dot is this home. The mark in the middle is the typical home in Katy 77449.
Pricier than 10% of homes nearby
Pricier than 44% of homes nearby
Bigger than 27% of homes nearby
Bigger than 74% of homes nearby
Newer than 15% of homes nearby
| Measure | This home | Katy 77449 | Harris County |
|---|---|---|---|
| Estimated valuepricier than | $221,690 | 10% of homes | 24% of homes |
| Price per ft²pricier than | $140 | 44% of homes | 35% of homes |
| Living areabigger than | 1,584 ft² | 27% of homes | 33% of homes |
| Lot sizebigger than | 0.16 ac | 74% of homes | 44% of homes |
| Year builtnewer than | 1983 | 15% of homes | 48% of homes |
About 21427 River Court Dr
How much is 21427 River Court Dr, Katy, TX worth?
The TopHap Estimate for 21427 River Court Dr, Katy, TX is $221,690 as of Jul 14, 2026. The likely range is $214,827 to $228,553. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.
When did 21427 River Court Dr, Katy, TX last sell?
21427 River Court Dr, Katy, TX last sold on Jul 11, 2005 for $90,100, according to the county's recorded deed.
How big is 21427 River Court Dr, Katy, TX?
21427 River Court Dr, Katy, TX has 4 bedrooms, 2 bathrooms, 1,584 square feet of living space and a 0.16-acre lot.
When was 21427 River Court Dr, Katy, TX built?
21427 River Court Dr, Katy, TX was built in 1983, making it 43 years old. It is a traditional/old home. The building has 1 story.
What schools serve 21427 River Court Dr, Katy, TX?
21427 River Court Dr, Katy, TX is assigned to Emery Elementary School (elementary), rated C+; Cypress Park High School (high), rated C+; Rowe Middle School (middle), rated C+. All sit in Cypress-Fairbanks Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 21427 River Court Dr, Katy, TX compare to other homes in Katy 77449?
Among the 39,411 homes in Katy 77449, it is worth more than 10% of them ($221,690 against a typical $279,072), its price per square foot is higher than 44% of them ($140 against a typical $144), it is bigger than 27% of them (1,584 ft² against a typical 1,872 ft²), its lot is bigger than 74% of them (0.16 ac against a typical 0.14 ac) and it is newer than 15% of them (1983 against a typical 2004). Measured against all of Harris County, it is worth more than 24% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 21427 River Court Dr, Katy, TX?
The 2025 property tax bill for 21427 River Court Dr, Katy, TX was $4,788. The county assessed it at $197,795.
More homes on River Court Dr
- 21502 River Court Dr$256K4 bd · 2.5 ba · 2,132 ft² · Sold Aug 2026
- 21411 River Court Dr$237K4 bd · 2 ba · 1,622 ft² · Sold Apr 2026
- 21122 River Court Dr$303K4 bd · 2.5 ba · 2,400 ft² · Sold $390K · Apr 2026
- 21119 River Court Dr$287K3 bd · 2 ba · 2,224 ft² · Sold $304K · Sep 2025
- 21446 River Court Dr$250K4 bd · 2 ba · 1,805 ft² · Sold $180K · Jul 2024
- 21510 River Court Dr$261K5 bd · 3 ba · 2,202 ft² · Sold $126K · Jun 2023
- 21118 River Court Dr$297K5 bd · 2.5 ba · 2,184 ft² · Sold $379K · Apr 2023
- 21406 River Court Dr$262K4 bd · 2.5 ba · 1,993 ft² · Sold Mar 2023
- 21206 River Court Dr$250K3 bd · 2 ba · 1,631 ft² · Sold $307K · Jun 2022
- 21438 River Court Dr$262K5 bd · 2.5 ba · 2,256 ft² · Sold $189K · Dec 2019
- 21219 River Court Dr$265K3 bd · 2.5 ba · 1,826 ft² · Sold $204K · Sep 2018
- 21123 River Court Dr$262K3 bd · 2 ba · 1,586 ft² · Sold $189K · Jul 2018
Closest homes
- 21431 River Court Dr$249K60 ft · 4 bd · 2.5 ba · 1,971 ft² · Sold $208K · Mar 2011
- 21423 River Court Dr$267K60 ft · 5 bd · 3 ba · 2,256 ft² · Sold Jan 1900
- 21410 Birch Bay Ct101 ft · 3 bd · 2.5 ba · 1,971 ft² · Sold Nov 2019
- 21419 River Court Dr$231K122 ft · 3 bd · 2 ba · 1,352 ft² · Sold Jul 2012
- 21435 River Court Dr$225K123 ft · 4 bd · 2 ba · 1,584 ft² · Sold Jan 1900
- 21414 Birch Bay Ct$240K143 ft · 3 bd · 2 ba · 1,696 ft² · Sold $69K · Jul 1999
- 21406 Birch Bay Ct$239K153 ft · 3 bd · 2 ba · 1,697 ft² · Sold Jan 1900
- 21426 River Court Dr$272K176 ft · 5 bd · 3.5 ba · 2,256 ft² · Sold $170K · Jun 2018
More homes in Katy 77449
- 3302 Rainport Dr$275K3 bd · 2 ba · 1,648 ft² · Sold Aug 2026
- 19518 Grand Colony Ct$319K4 bd · 3.5 ba · 3,010 ft² · Sold $302K · Aug 2026
- 4339 Hall Croft Chase Ln$253K3 bd · 2 ba · 1,566 ft² · Sold Aug 2026
- 19803 Whispering Hollow Ln$250K3 bd · 2.5 ba · 2,118 ft² · Sold Aug 2026
- 19538 S Stone Ln$270K3 bd · 2 ba · 1,513 ft² · Sold $198K · Aug 2026
- 22523 Guardsman Ln$270K3 bd · 2 ba · 1,716 ft² · Sold $119K · Aug 2026
- 6606 Pleasant Stream Dr$195K2 bd · 2 ba · 1,203 ft² · Sold $131K · Aug 2026
- 19419 Asterglen Ct$279K4 bd · 2.5 ba · 2,082 ft² · Sold Aug 2026
- 1719 Hoyt Ln$385K4 bd · 2.5 ba · 2,844 ft² · Sold $258K · Aug 2026
- 4343 Orsini Ln$356K4 bd · 3 ba · 2,110 ft² · Sold $249K · Aug 2026
- 5802 Garden Flower Ct$270K3 bd · 2 ba · 2,049 ft² · Sold $272K · Aug 2026
- 19207 Dillsbury Ct$300K4 bd · 2.5 ba · 2,542 ft² · Sold $260K · Aug 2026
Assigned schools
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