הלכות שכנים

The inhabitants of a city may compel each other to participate in the building of a wall, gates, a bolt, to build a synagogue for the inhabitants and to purchase a Torah scroll, and scrolls of the Prophets and Writings, so that any member of the community who desires may read from it.

When a person buys a city in Eretz Yisrael, the court may compel him to purchase a path to the city from all four directions for the sake of the settlement of Eretz Yisrael.
People who own fields among a stretch of fields in a valley may compel each other to dig a trench and a smaller trench around the valley.

Although a person owns a courtyard in one city, if he also owns property in another city, the inhabitants of the latter city can compel him to participate in the digging of cisterns, caverns and irrigation ditches. He is not, however, compelled to join in other communal matters. If he dwells together with them in that city, he is compelled to participate in all matters.

Whenever a person lives in a city for twelve months or buys a dwelling there, he must contribute together with all the inhabitants of the city for the improvements that must be made - e.g., the walls, the gates, the wages of the soldiers who guard the city and all similar matters that are necessary for the protection of the city.

Payment for all the things necessary for the protection of a city is collected from all of its inhabitants, even from orphans, with the exception of Torah scholars. For Torah scholars do not require protection; their Torah study protects them. Payment for the improvement of the thoroughfares and the streets, by contrast, is collected even from the scholars.
If the people go out and fix the streets themselves, the Torah scholars should not go out to work with them. For it is not the practice of Torah scholars to demean themselves in the presence of common people.

If the inhabitants of a city contracted workers to dig a river to bring water to a city, we collect even from orphans. For this is to their benefit, so that their fields and vineyards are watered.
Therefore, if it transpired that despite the work, the water did not come, since the orphans did not benefit, everything that was taken from them should be returned to them. Similar laws apply in all analogous situations.

The inhabitants of a lane can compel each other to prevent a tailor, a leather craftsman or any other craftsman from opening a business in the lane.
If a craftsman lived in the lane, and no protest was lodged against his practice of his craft, or there was a bathhouse, a store or a mill in the lane, and another person came and built another bathhouse opposite it or built another mill, the owner of the first establishment cannot prevent him, claiming: "You are destroying my livelihood. "This applies even if he comes from another lane, for this trade is already practiced in this lane.
If, however, a stranger from another city comes to establish a store next to a person's store, or a bathhouse next to this person's bathhouse, they can prevent him from doing so. If, however, he pays the head-tax of the king together with them, they cannot prevent him from establishing his business.

When perfume merchants travel from city to city, the inhabitants of a city may not prevent them from selling their wares. For it is one of the ordinances established by Ezra for these merchants to travel in this manner so that perfume will be easily available for Jewish women. They may not, however, establish a fixed place where they sit and sell their wares unless the inhabitants of the city consent. If, however, the merchant is a Torah scholar, he may establish a fixed place wherever he desires.

When merchants bring their wares to sell in cities, the inhabitants of the city may prevent them from doing so. If, however, they would sell their wares only on the market day, they cannot prevent them, provided they sell their wares only in the marketplace. They may not, however, go from door to door selling them, even on the market day.
If they have an outstanding loan in the city, they are permitted to sell what is necessary for their livelihood, even on days other than market day, until they repay their loan and move on.

When one of the inhabitants of a lane that ends in a cul-de-sac desires to open up a profession as a blood letter, a weaver or a teacher of gentile children, the inhabitants of the lane may prevent him, for he increases the number of people coming in and going out of the lane.
Similarly, a person who owns a house in a courtyard shared by others may not rent it to a doctor, a blood letter, a weaver, a Jewish scribe who writes legal contracts or a teacher of gentile children.

When a store is located in a courtyard, the neighbors can protest, telling the owner: "We cannot sleep because of the noise made by the people going in and out. " Instead, he should perform his work at home and sell it in the marketplace.
They may not, however, protest against him and say: "We cannot sleep because of the noise made by your hammer," or "your mill," for he has already established his right to perform these activities.
Similarly, a person may teach Jewish children Torah in his house. The other partners in his lane may not protest against him, saying: "We cannot sleep because of the noise made by the school children."

When one person owns a cistern within a house belonging to a colleague, he may enter only when it is customary for people to enter, and must depart when it is customary for people to depart. He may not bring his animal through his colleague's home to provide him with water from the cistern. Instead, he should fill up buckets with water and water it outside.
They both are entitled to make a lock on the entrance to the cistern: the owner of the cistern to protect his water, and the owner of the home, because of his suspicions concerning his wife, so that she will be able to enter there only when he knows.

When one person owns a garden whose entrance is within a garden belonging to a colleague, he may enter only when it is customary for people to enter, and must depart when it is customary for people to depart. He may not bring merchants through his colleague's garden, nor may he enter it to go to another field. The owner of the outer garden may sow vegetables on the path.
If both agree to move the path to the side of the garden, the owner of the inner garden may enter and depart when he desires, and he may bring merchants in. He may not, however, enter it to go to another field, Either of the parties can prevent the other from sowing vegetables in the path that was placed on the side.