בבא מציעא י׳Bava Metzia 10

Mishnah 3ג׳

הַבַּיִת וְהָעֲלִיָּה שֶׁל שְׁנַיִם שֶׁנָּפְלוּ, אָמַר בַּעַל הָעֲלִיָּה לְבַעַל הַבַּיִת לִבְנוֹת, וְהוּא אֵינוֹ רוֹצֶה לִבְנוֹת, הֲרֵי בַעַל הָעֲלִיָּה בּוֹנֶה אֶת הַבַּיִת וְדָר בְּתוֹכוֹ עַד שֶׁיִּתֶּן לוֹ אֶת יְצִיאוֹתָיו. רַבִּי יְהוּדָה אוֹמֵר, אַף זֶה דָּר בְּתוֹךְ שֶׁל חֲבֵרוֹ, צָרִיךְ לְהַעֲלוֹת לוֹ שָׂכָר, אֶלָּא בַעַל הָעֲלִיָּה בּוֹנֶה אֶת הַבַּיִת וְאֶת הָעֲלִיָּה וּמְקָרֶה אֶת הָעֲלִיָּה, וְיוֹשֵׁב בַּבַּיִת עַד שֶׁיִּתֶּן לוֹ אֶת יְצִיאוֹתָיו:

A house and upper story belongs to two [separate] individuals, and both collapsed: if the owner of the upper story told the landlord to build [the lower level], and he did not want to build, the owner of the upper story builds the house and lives within it, until he pays him his expenses. Rabbi Yehudah says: then this one was living in [the property] belonging to his fellow, [and] he needs to pay him rent! Rather, if the owner of the upper story builds the house, the upper story, and the ceiling, he may dwell in the house until he pays him his expenses.

Mishnah 4ד׳

וְכֵן בֵּית הַבַּד שֶׁהוּא בָנוּי בְּסֶלַע, וְגִנָּה אַחַת עַל גַּבָּיו, וְנִפְחַת, הֲרֵי בַעַל הַגִּנָּה יוֹרֵד וְזוֹרֵעַ לְמַטָּה עַד שֶׁיַּעֲשֶׂה לְבֵית בַּדּוֹ כִּפִּין. הַכֹּתֶל וְהָאִילָן שֶׁנָּפְלוּ לִרְשׁוּת הָרַבִּים וְהִזִּיקוּ, פָּטוּר מִלְּשַׁלֵּם. נָתְנוּ לוֹ זְמַן לָקֹץ אֶת הָאִילָן וְלִסְתֹּר אֶת הַכֹּתֶל, וְנָפְלוּ בְּתוֹךְ הַזְּמָן, פָּטוּר, לְאַחַר הַזְּמָן, חַיָּב:

And this is also the case with the house of an olive-press, which is built into the rock and there is a single garden above it and it collapses: the owner of the garden goes down and sows below, until [the owner of the olive-press] makes the arches of his olive-press. [If] a wall or a tree fell into the public domain and caused damage, he is exempt from paying. If they had given him a set amount of time to trim the tree or to tear down the wall, and they fell within the time, he is exempt. After that time, he is liable.