UPDATE, 5:13 p.m.
The fire near Still Waters Vineyards has been contained, according to Cal Fire.
It burned up to 3 acres before it was put out late Sunday afternoon.
The fire was human-caused, according to Cal Fire.
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Cal Fire and the Paso Robles Fire Department are at the scene of a small vegetation fire burning in rural Paso Robles.
The fire, near 2750 Old Grove Lane across from Still Waters Vineyards, was at 2 acres as of 2:40 p.m. and firefighters had halted the fire's spread, according to Cal Fire dispatch.
One city and five Cal Fire engines were dispatched, along with a hand crew.
One structure was initially threatened in the fire, but its status is currently unknown, according to Cal Fire dispatch.
There are no injuries.