Armed man taken into custody after hours-long police operation in Kallangur, Queensland

A major police operation north of Brisbane has ended after police spent hours responding to reports of an armed person inside a home.

Queensland Police were called to a home on Birchgrove Crescent in Kallangur about 11.28am on Saturday to conduct a welfare check on a man aged in his 40s.

7NEWS understands the man was armed with weapons and gas bottles.

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Specialist officers surrounded the home and began negotiating with the man as police made an emergency declaration under the Public Safety Preservation Act (PSPA) about 12.07pm.

An exclusion zone was established across parts of Kallangur, with residents inside the area told to stay indoors and others urged to stay away.

Police surrounded the Kallangur home for hours. Credit: 7NEWS

Some nearby residents who had been out for the day were unable to return to their homes for hours as the operation unfolded.

Police confirmed no one else was inside the home.

Officers eventually gained entry to the property about 4.52pm and took the man into custody.

He was taken to The Prince Charles Hospital in a stable condition.

No injuries have been reported yet, police said. 

Residents within the PSPA exclusion zone have been told to stay bindoors. Credit: Queensland Police