Heftsiba
Corporate brand
UnclaimedHeftsiba was an Israeli construction and real-estate conglomerate that collapsed in 2007 after an aggressive expansion, disputed West Bank development activity, and severe financial and governance failures.
Last updated August 31, 2026
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Overview
Heftsiba, also rendered as Heftsiba Construction, Development and Investments Ltd., was an Israeli construction and real-estate conglomerate founded in 1968 by businessman Mordechai Yona. It began by targeting relatively affordable residential construction, especially in peripheral Israeli communities, and over several decades developed a substantial portfolio of apartments, commercial properties, hotels, and overseas real-estate interests. The company’s growth made it one of Israel’s prominent construction groups before its collapse in 2007. The business later became closely associated with its chief executive, Boaz Yona, Mordechai Yona’s son. Under Boaz Yona, Heftsiba pursued rapid expansion and became a major builder in ultra-Orthodox Jewish housing markets, including projects in the West Bank settlements of Modiin Illit and Matityahu East. Those developments generated legal and political controversy. Peace Now challenged the legality of land transactions supporting some of the projects, alleging that Palestinian land had been acquired through fraudulent documentation and impersonation of purported owners. In January 2006, the Israeli Supreme Court ordered a halt to several construction sites. Hundreds of apartments in Modiin Illit and a much larger planned development in Matityahu East were left unfinished. The company also sought growth outside Israel. In Romania, it worked with the Apollo Real Estate investment group on a proposed residential development near Bucharest, involving land in Voluntari and plans for roughly 1,000 apartments. Its subsidiary Heftsiba Jerusalem Gold was also involved in Romanian property transactions. These overseas activities formed part of the group’s broader expansion, but the company ultimately failed to secure sufficient financing and liquidity. By 2007, Heftsiba’s financial condition had deteriorated severely. Boaz Yona reportedly attempted to attract new investors but did not succeed. Sales of apartments continued while projects were unable to progress, and Israeli media exposed the situation in August 2007. Yona then left Israel, triggering an international manhunt and later extradition proceedings from Italy. The collapse affected approximately 10,000 households, many of which had purchased homes before completion and were left exposed to unfinished buildings, losses, and uncertainty over legally required buyer guarantees. The failure also prompted scrutiny of the banks that had financed Heftsiba’s projects. Banking regulators and parliamentary committees examined allegations that some banks had accepted buyer payments without issuing the guarantees required under Israel’s housing-sales legislation or had routed funds improperly. A court ruling in October 2007 clarified that the proceedings against Heftsiba did not prevent banks from honoring guarantees for eligible purchasers. In 2008, Boaz Yona pleaded guilty to multiple financial and corporate offences and received a seven-year prison sentence, together with an order to pay restitution to victims. He was released early in 2012, and the financial penalty was later reduced. In 2022, he was arrested again on suspicion of defrauding creditors, money laundering, and concealing assets, although those allegations concern later proceedings rather than the operating history of Heftsiba itself. The company is now defunct and is principally remembered for the scale of its residential development, the controversy surrounding some West Bank projects, and one of Israel’s most consequential real-estate collapses.
History
Heftsiba was established in Israel in 1968 by Mordechai Yona as a builder focused on relatively affordable housing. Its early business model emphasized residential projects in peripheral communities, where demand for lower-priced homes supported steady expansion. Over time, the company broadened its activities to include commercial centres, hotels, and property investments outside Israel. Leadership eventually passed to Mordechai Yona’s son, Boaz Yona, who became the group’s chief executive. During the late 1990s and 2000s, Heftsiba pursued a more aggressive development strategy. It became particularly active in housing for ultra-Orthodox Jewish communities and built or planned projects in the West Bank, including Modiin Illit and Matityahu East. The company’s West Bank work became legally controversial after campaigners alleged that some land transactions relied on forged documents and people impersonating Palestinian owners. In January 2006, the Israeli Supreme Court ordered work to stop at several sites. Around 450 apartments in Modiin Illit were reportedly abandoned during construction, while approximately 1,500 planned units in Matityahu East were left incomplete. The group also expanded internationally. In Romania, Heftsiba partnered with Apollo Real Estate on an intended development near Bucharest, acquiring land in Voluntari for a project of about 1,000 apartments. Heftsiba Jerusalem Gold, a subsidiary, participated in additional Romanian property transactions. The overseas projects reflected the company’s effort to grow beyond its traditional Israeli residential base, but they did not prevent a worsening liquidity crisis. After the 2006 court ruling, Boaz Yona sought additional investors without success. The company continued selling apartments even as its ability to finish certain developments had deteriorated. Israeli reporting brought the situation into the open on 3 August 2007. Yona soon left Israel and was later arrested in Italy after an international warrant was issued. The collapse left roughly 10,000 families without completed homes or secure access to the money they had paid. Some residents were reported to be living in unfinished buildings without basic services. The failure prompted an examination of the banking system because purchasers had relied on protections under Israel’s Sales (Housing) Law. The Supervisor of Banks told parliamentary committees that banks had allegedly failed in some cases to issue required guarantees or had directed payments away from designated project accounts. On 7 October 2007, a court held that the stay of proceedings against Heftsiba did not prevent banks from issuing guarantees, allowing regulators to pursue remedies without requiring every buyer to file an individual claim. Boaz Yona was extradited from Italy and, on 19 November 2008, received a seven-year sentence after pleading guilty to offences including conspiracy, fraud, grand larceny, forgery, executive theft, falsifying corporate records, use of forged documents, and misuse of company funds. The court ordered restitution to victims. Yona was released early in 2012 amid prison-overcrowding measures, and the financial penalty was later reduced. In 2022 he faced a separate arrest over alleged creditor fraud, money laundering, and asset concealment. Heftsiba itself did not recover as an operating group; competing developers acquired or completed some abandoned projects.
- 2022
Later arrest of former executive
[1]Boaz Yona is arrested in a separate investigation involving alleged creditor fraud, money laundering, and hidden assets.
- 2008
Boaz Yona convicted and sentenced
[1]Yona pleads guilty to multiple financial and corporate crimes and receives a seven-year prison sentence.
- 2007
Corporate collapse
[1]Heftsiba’s financial crisis becomes public, its chief executive leaves Israel, and thousands of buyers are affected.
- 2007
Banking and buyer-protection response
[1]Parliamentary and regulatory proceedings examine banks’ handling of purchaser funds and guarantees.
- 2006
Supreme Court halts disputed West Bank projects
[1]The Israeli Supreme Court orders construction to stop at several sites, leaving substantial numbers of homes unfinished.
- 1968
Heftsiba is founded
[1]Mordechai Yona establishes Heftsiba as an Israeli construction company focused initially on lower-cost residential housing.
Products and positioning
Mass-market and lower-cost residential construction, later expanded into large-scale settlement, commercial, hotel, and overseas property development.
Residential construction · 1968
Israeli residential developments
Heftsiba’s core business consisted of apartment projects aimed substantially at mass-market and lower-income buyers. The company developed housing in peripheral Israeli communities and later expanded into large projects serving ultra-Orthodox buyers. Several developments became unfinished after the 2007 collapse.
Residential construction
West Bank settlement housing
The company built and planned housing in West Bank settlements, notably Modiin Illit and Matityahu East. These projects were commercially important but became the subject of land-ownership disputes and a 2006 Supreme Court construction halt.
Commercial and hospitality real estate
Commercial centres and hotels
Beyond apartments, Heftsiba accumulated commercial and hospitality properties, including commercial centres and hotels in its broader Israeli and international portfolio.
International property development
Romanian residential development
Through a partnership with Apollo Real Estate, Heftsiba pursued a planned development near Bucharest in Voluntari, with an intended capacity of about 1,000 apartments. The project formed part of the group’s international expansion.
Controversies
2022
Separate creditor-fraud allegations
Boaz Yona was arrested in a later investigation alleging creditor fraud, money laundering, and concealment of assets. These allegations were separate from Heftsiba’s original collapse.
2008
Criminal conviction of Boaz Yona
The former chief executive pleaded guilty to fraud, forgery, theft, falsification of corporate records, and related offences connected with the company’s failure.
2007
Heftsiba financial collapse
The company continued marketing apartments despite its inability to complete some projects, leading to a collapse that affected approximately 10,000 households and generated extensive scrutiny of management and lenders.
2006
Disputed West Bank land and construction
Peace Now and other critics alleged that land used for certain Heftsiba developments had been obtained through forged documents and impersonation of Palestinian landowners. The Israeli Supreme Court subsequently ordered construction to stop at several sites.
Brand decisions
2007
Attempted investor rescue and continued salesStrategyBackground
After the construction stoppage, management sought new investors while the group’s ability to complete projects was deteriorating.
Action taken
Heftsiba continued marketing apartments, but no successful financial rescue was secured before the crisis became public.
Aftermath
The company collapsed, buyers were left exposed, and competing developers moved to acquire or complete abandoned projects.
- Unnamed competing developers — Competitors pursued abandoned projects because demand remained strong in the relevant housing markets.
2006
Construction halted at contested sitesOtherBackground
A Supreme Court ruling followed challenges to the legality of land transactions and construction in parts of the West Bank.
Action taken
Work was stopped at several Heftsiba sites, leaving hundreds of apartments in Modiin Illit and a larger planned Matityahu East project incomplete.
Aftermath
The halt intensified the company’s financial pressure and contributed to the disruption of buyers and contractors.
Sources1 sources
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