42of 100

Today's score

Ticks in Rio Vista, TX

Johnson County

Moderate risk

Ticks are active. Use repellent, stick to trails, and do a tick check when you come inside.

Updated July 6, 2026

Life stage
Lone-star peak
Forest
13%
Tick species
4 of 5 here

Right now

Latest reading
85°
Temperature
64%
Humidity
0.0"
Recent rain

7-day outlook

Risk recalculates daily from the local forecast.

Today
42
Wed
42
Thu
37
Fri
53
Sat
57
Sun
52
Mon
42

What's active right now

Lone-star ticks are at their summer peak, the main local driver of alpha-gal syndrome and ehrlichiosis. Midsummer is when lone-star bite counts run highest region-wide. Gulf Coast tick adults are active in the same brushy, grassy habitat. American dog ticks are also out in open, grassy areas. Deer ticks remain a minor factor here compared with the Northeast.

Local tick habitat

Rio Vista is 77% natural land cover (13% forest, plus open and brushy areas) across its 1.02 sq mi, home to about 1,190 people. That makes it the 6th-most wooded of the 12 towns in Johnson County. Lone-star and Gulf Coast ticks favor brushy edges, overgrown fields, and open pine woods as much as deep forest: the more of that a town has, the more places ticks can quest.

Johnson County's CDC Lyme rate is negligible, unsurprising this far south, so deer ticks are a minor factor in Rio Vista. The lone star tick is what actually drives local risk here: it is established region-wide, bites aggressively at every life stage, and is the tick most responsible for alpha-gal syndrome, ehrlichiosis, and STARI in Texas.

Tick control in Rio Vista, TX

Do I need tick control in Rio Vista?

Tick activity in Rio Vista is moderate today (42/100). Ticks are out, especially along yard edges, leaf litter, and shady borders. A seasonal treatment plan keeps numbers down before peak weeks hit.

Professional tick control in Rio Vista typically means a barrier treatment along the lawn edge, leaf litter, stone walls, and shady borders where ticks wait for a host, applied two to four times a season by a licensed pest control company. It is the single most effective way to cut tick numbers in the part of the yard your family actually uses.

How much does tick control cost in Rio Vista?

Most homeowners pay about $100 to $200 per visit for professional tick spraying, or roughly $350 to $600 for a full season of barrier treatments, depending on lot size and how wooded the property is. Quotes are free, so it costs nothing to get a real number for your yard.

Get a free tick control quote

From a vetted local tick exterminator serving Rio Vista. No cost, no obligation.

Is it tick season in Rio Vista right now?

Yes. Lone-star ticks are at their summer peak, the main local driver of alpha-gal syndrome and ehrlichiosis. In Rio Vista, today's risk reads moderate (42/100). Ticks are active. Use repellent, stick to trails, and do a tick check when you come inside.

Does Rio Vista have lone star ticks that cause alpha-gal syndrome?

Yes. The lone star tick is established in Johnson County and is the tick most responsible for human bites in Texas. Its bite can trigger alpha-gal syndrome, a delayed allergy to red meat and other mammal products, along with ehrlichiosis and STARI. Unlike the Northeast, Lyme disease is a minor factor here: the lone star tick, not the deer tick, is what actually drives local risk. Learn the symptoms and what foods to avoid.

Nearby towns

Tick risk is local. Check the towns around you.

Stay ahead of ticks in Rio Vista

The TickZone app (coming soon) alerts you when Rio Vista's risk climbs, so protection happens before the bite.