A wedding chapel in Petaluma is a place, other than a legal court, and usually also, other than a church, where couples can get legally married. A church may also be used as a wedding chapel. Traditional wedding chapels in Petaluma are usually set in small buildings. Only specially appointed people, such as pastors and those who are licensed to carry out marriage ceremonies, can conduct ceremonies at wedding chapels. They perform their ceremonies under some laws, and must usually request for a marriage license and proof of age of the couple.