Homes in Sunnyvale ISD: Prices, Cities, Schools & Taxes (2026)
By Brent Reiter, REALTOR® · Last updated November 4, 2026
Sunnyvale ISD is a small district that matches the town of Sunnyvale in eastern Dallas County. Below is what 81 single-family homes in Sunnyvale ISD sold for over the past year, with tax numbers.
With only 81 sales, a few unusual homes can move the numbers, so treat the figures as a guide.
At a Glance
- Median sale price
- $725,000 (81 sales, past 12 months)
- Middle half of sales
- $598,500 to $910,000
- Sold under $300,000
- None
- Median days on market
- 56
- Sale price vs. final asking price
- 97.5% (median)
- Median lot size
- About two-thirds of an acre
- High school
- Sunnyvale High School
- District tax rate
- $1.2169 per $100 (2025; 2026 not found)
My analysis of NTREIS MLS single-family sales in Sunnyvale ISD closed Nov. 4, 2025 to Nov. 4, 2026. Information deemed reliable but not guaranteed.
Which Cities Are in Sunnyvale ISD?
| Town | Sales (12 mo.) | Median price | Median size | Typical year built |
|---|---|---|---|---|
| Sunnyvale | 81 | $725,000 | 3,620 sq ft | 2008 |
- The whole district is in the town of Sunnyvale, mostly larger 2000s homes on big lots.
What Homes Cost in Sunnyvale ISD
The median Sunnyvale ISD home sold for $725,000 over the past 12 months, and the middle half sold for $598,500 to $910,000. Homes are big: the median home sold had about 3,630 square feet.
| Price range | Sales (12 mo.) | Share |
|---|---|---|
| $300,000 to $399,999 | 3 | 4% |
| $400,000 to $499,999 | 8 | 10% |
| $500,000 to $599,999 | 10 | 12% |
| $600,000 to $799,999 | 30 | 37% |
| $800,000 to $999,999 | 15 | 19% |
| $1 million and up | 15 | 19% |
| Built | Sales | Median price | Median size |
|---|---|---|---|
| 1960s and 1970s | 6 | $394,125 | 2,140 sq ft |
| 1980s and 1990s | 15 | $700,000 | 3,070 sq ft |
| 2000s | 23 | $632,500 | 3,540 sq ft |
| 2010s | 14 | $702,500 | 3,780 sq ft |
| 2020 to 2024 | 16 | $882,500 | 4,100 sq ft |
| 2025 and 2026 (new) | 6 | $1,060,000 | 4,380 sq ft |
- $1 million and up: 15 homes, about 1 in 5 sales.
- Pools: about 2 in 5 homes sold had one. HOAs: about 7 in 10.
Sunnyvale ISD Schools
Sunnyvale ISD has one high school, Sunnyvale High School, so every home in the district is zoned to it. For campus ratings, use txschools.gov.
Sunnyvale ISD Property Tax Rate (2026)
I couldn't find Sunnyvale ISD's or the town's final 2026 rates. The 2025 school rate was $1.2169 per $100 and the 2025 town rate was $0.463. This estimate uses those 2025 rates with Dallas County, Parkland Hospital ($0.212) and Dallas College ($0.106575):
| Address | City rate | Combined rate per $100 |
|---|---|---|
| Sunnyvale (2025 school and town rates) | $0.463000 | about $2.22 |
Example: a $725,000 home in Sunnyvale owes about $16,120 a year before exemptions, using last year's school and town rates. My Texas property tax guide explains exemptions and protests.
How Fast Homes Sell in Sunnyvale ISD
- Median time on market: 56 days.
- About 1 in 5 homes sold within a week, and about half took 60 days or more.
- Median sale price was 97.5% of the final asking price and 96.1% of the original asking price.
What I Tell Buyers Looking in Sunnyvale ISD
- Check the final 2026 tax rate before you budget.
- Check utilities on large lots, including septic systems.
- Negotiate. About half of homes took 60 days or more to sell.
- Look at flood maps near creeks.
Fair housing note: this page reports facts about attendance zones, prices and tax rates. It doesn't rank schools or neighborhoods. For school performance, use the state's ratings on txschools.gov and visit the campuses yourself.
Thinking about buying or selling in Fort Worth? I was born and raised here, and I help buyers and sellers across DFW from my office in the Mid-Cities. Call or text anytime, no pressure.
Brent Reiter, REALTOR®
Brent Sells DFW · 817-874-1602
Local Resources & Citations
Frequently Asked Questions
What area is in Sunnyvale ISD?
The town of Sunnyvale in eastern Dallas County.
What is the Sunnyvale ISD tax rate?
Sunnyvale ISD's 2025 rate was $1.2169 per $100; I couldn't find a final 2026 rate. Check the Dallas County tax office for the current rate.
How much do homes cost in Sunnyvale ISD?
The median single-family home in Sunnyvale ISD sold for $725,000 over the 12 months ending Nov. 4, 2026, across 81 sales. The middle half sold for $598,500 to $910,000.
How do I know if a house is in Sunnyvale ISD?
Check the exact address with the district's school boundary lookup or the county appraisal district's property record, which lists the school district. Don't rely on the city name or ZIP code.