What about Halacha?

What does Halacha have to say about this?

ולא תונו איש את עמיתו

This goes beyond classic as it causes long-term pain (tzaar) to Jewish , דברים ויראת residents. The passuk concludes with emphasizing that the prohibition is tied , מאלקיך to Yiras Shamayim.

ואהבת לרעך כמוך

The basic principle of דַּעֲלָךְ סְנֵי לְחַבְרָךְ לָא תַּעֲבֵיד is ignored. Those engaging in these actions would never tolerate the same behavior from their neighbors. Rabbeinu Yonah (Shaar 3:13) writes that one is obligated to work for the betterment of their fellow Jew. Instead, time, money, and energy are being invested in actions that harm fellow Jews.

מפקיעי שערים

Artificially raising housing prices to make homes unaffordable is included in the category of price manipulators. See Bava Basra 90b, where the passuk issues a curse against such individuals.

חילול שם שמים

The public reaction—among both Jews and non-Jews—is one of outrage and shock.
Even secular or non-religious individuals perceive this behavior as unethical. The Chilul
Hashem is magnified when those seen as religious act in a way that undermines the
dignity of Torah and Klal Yisroel

פסק הלכה

אכמ”ל וע”ע פסק הלכה ממרנן עמודי ההוראה הרב משה קליין, הרב שמואל שטרן, והרב מנחם לובין בענין שכונה מתחם הסופרים הנוגע לעניינינו שכתבו: באתי בזה לגלות דעת תורה שיש איסור חמור

But New Square ignored us, persisted in their efforts and increased the number of homes they are buying while communities and individuals continued to suffer.

Within The Mile