How to verify a property developer in Berlin before buying
This guide outlines the public registries, planning registers and legal checks required to verify a developer, prove land ownership and confirm planning permission in Berlin.

- Commercial Register
- Handelsregister, accessible via Handelsregister.de
- Land Register Excerpt
- Grundbuchauszug, issued by the Grundbuchamt at the local Amtsgericht
- Berlin Real Estate Transfer Tax
- Grunderwerbsteuer rate of 6.0% in 2026
- Developer License Requirement
- Section 34c of the Industrial Code (Gewerbeordnung)
- Off-plan Payment Regulation
- Real Estate Agent and Commercial Contractor Regulation (MaBV)
Checking the corporate registry and developer background
Every legitimate corporate real estate developer in Germany must be registered in the commercial register (*Handelsregister*), which is accessible online via the central portal `handelsregister.de`. To verify the legal status of a developer, request or download an up-to-date excerpt (*Handelsregisterauszug*). Pay specific attention to the *Chronologischer Abdruck* (historical extract) to review previous corporate name changes, management transfers or insolvency filings.
Verify that the entity selling the property possesses a valid trade license under Section 34c of the German Industrial Code (*Gewerbeordnung* or GewO). In Berlin, this permit is granted by the local district order office (*Ordnungsamt*). A developer operating without a Section 34c permit cannot legally receive customer funds or stage payments under German law. You can confirm the existence of this permit directly with the district *Ordnungsamt* where the corporate entity is registered.
Financial solvency and historical performance can be audited using the Federal Gazette (*Bundesanzeiger*) at `bundesanzeiger.de`. German legal entities, such as a GmbH or AG, are required by law to publish annual financial statements (*Jahresabschlüsse*) here. Reviewing these filings reveals the developer's capital equity, outstanding debt liabilities and profit-and-loss history over previous fiscal years.
Confirming land ownership via the Grundbuch
Before signing a reservation agreement or making a financial deposit, confirm that the developer actually owns the land or holds a legally binding purchase right. In Germany, legal title to real estate is recorded exclusively in the land register (*Grundbuch*), managed by the land registry office (*Grundbuchamt*) located within the local district court (*Amtsgericht*).
To view the register entry, obtain a current land register excerpt (*Grundbuchauszug*). Because the *Grundbuch* is not public, a buyer must demonstrate a legitimate interest (*berechtigtes Interesse*) or present a written letter of authorisation (*Vollmacht*) signed by the current landowner. The extract is divided into three sections:
- Bestandsverzeichnis: Outlines the physical location, plot number (*Flurstück*) and size of the land.
- Abteilung I: Identifies the current legal owner. If the developer is not listed here, they do not currently own the land.
- Abteilung II: Lists restrictions, encumbrances and priority notices (*Vormerkungen*).
- Abteilung III: Shows mortgages, land charges (*Grundschulden*) and financial encumbrances.
If the developer does not yet appear in Abteilung I as the owner, confirm that a priority notice of conveyance (*Auflassungsvormerkung*) in favour of the developer is registered in Abteilung II. This secures their contractual right to acquire the land and prevents the current owner from selling it to a third party.
Verifying planning permission and structural approvals
Marketing brochures and sales scripts do not constitute legal planning permission. In Berlin, construction requires an official building permit (*Baugenehmigung*) issued by the lower building authority (*Unterer Bauaufsichtsbehörde*) of the specific Berlin district (*Bezirksamt*) where the site is located.
Request a complete copy of the written *Baugenehmigung*, including the approved structural drawings (*Grüne Reihe* or stamped building plans). Check that the details in the permit match what is being offered in the sales agreement, specifically:
- Total number of residential units approved.
- Floor space measurements and total height allowances.
- Assigned parking spaces and mandatory bicycle storage infrastructure.
- Historic preservation restrictions (*Denkmalschutz*), if applicable.
If the developer claims planning permission is pending, check whether a preliminary planning notice (*Bauvorbescheid*) has been issued. A *Bauvorbescheid* confirms that the core parameters of the project comply with local planning law (*Baugesetzbuch*), but it does not allow construction to begin.
For off-plan apartment sales, ask to inspect the declaration of division (*Teilungserklärung*) and the accompanying partition plan (*Aufteilungsplan*). Certified by a notary and filed at the *Grundbuchamt*, these documents establish the official division of the property into individual condominium units (*Wohnungseigentum*).
Auditing past delivery records and completed projects
Past delivery track records indicate whether a developer completes projects on time, within budget and without major structural defects. Cross-reference marketed portfolio projects against official registry entries to verify past execution:
- Inspect completed developments: Visit previously completed projects in Berlin or surrounding Brandenburg. Speak directly with the board of the owners' association (*Wohnungseigentümergemeinschaft* or WEG) or the property management firm (*Hausverwaltung*) to inquire about unresolved construction defects (*Baumängel*).
- Review historical WEG meeting minutes: For converted or recently completed buildings, request the minutes of past general meetings (*Eigentümerversammlungen*). These records detail ongoing warranty claims or legal disputes between the buyers and the developer.
- Cross-reference project SPEs: German developers frequently create a dedicated single-purpose entity (SPE), usually a *Projektgesellschaft* in the form of a GmbH, for each new construction site. Check `handelsregister.de` for the parent company (*Muttergesellschaft*) to see how many previous project entities have been liquidated or placed into insolvency proceedings (*Insolvenzverfahren*).
Essential red flags that should pause a transaction
Certain procedural anomalies signal elevated legal or financial risk. Stop the transaction process immediately if any of the following occur:
- Demands for upfront payments outside the MaBV: The Real Estate Agent and Commercial Contractor Regulation (*Makler- und Bauträgerverordnung* or MaBV) strictly regulates payment schedules for new-build properties. Developers may only invoice in set percentage installments linked to verified construction milestones (e.g., completion of earthworks, shell construction, or roof structure). Demands for large downpayments before a priority notice (*Auflassungsvormerkung*) is entered into the *Grundbuch* violate German law.
- Absence of a performance security bond: Under Section 650m of the German Civil Code (*Bürgerliches Gesetzbuch* or BGB), a consumer buying from a developer is entitled to a 5% completion guarantee bond (*Fertigstellungsbürgschaft*) or a corresponding withholding right upon the first payment installment. Refusal to provide this security is a significant red flag.
- Pressure to use a developer-appointed notary: In Germany, the buyer typically selects the notary (*Notar*). Be cautious if the developer insists on using a specific notary or pressures you to sign a draft contract (*Kaufvertragsentwurf*) before the statutory two-week review period (*Zwei-Wochen-Frist*) mandated for consumers under Section 17 of the German Act on Notarisation (*Beurkundungsgesetz*) has passed.
- Lack of a binding completion date: The notarised contract (*Bauträgervertrag*) must specify a firm, calendar-based deadline for project completion and handover. Vague language referencing estimated quarters without clear liquidated damages clauses exposes the buyer to uncompensated delays.
*This reference guide is provided for informational purposes only and does not constitute formal legal or financial advice.*
Common questions
- Which registry holds corporate records for German developers?
- Corporate records are held in the Commercial Register (Handelsregister) and can be accessed online via handelsregister.de.
- How do I check if a developer owns the site in Berlin?
- You must inspect Section I (Abteilung I) of the Land Register extract (Grundbuchauszug) issued by the local district court (Amtsgericht).
- Who issues building permits for new construction in Berlin?
- Building permits (Baugenehmigung) are issued by the lower building authority (Unterer Bauaufsichtsbehörde) within the relevant Berlin district office (Bezirksamt).
- What is the property transfer tax rate in Berlin in 2026?
- The real estate transfer tax (Grunderwerbsteuer) rate in Berlin is 6.0% of the purchase price.
- How are off-plan construction payments regulated in Germany?
- Payments are strictly governed by the Makler- und Bauträgerverordnung (MaBV), which ties installments directly to completed construction milestones.
- What legal trade permit must a German developer hold?
- Developers collecting buyer funds must hold an official trade license under Section 34c of the German Industrial Code (Gewerbeordnung).
- service.berlin.de. service.berlin.de
- realestatedevelopershub.com. realestatedevelopershub.com
- german-probate-lawyer.com. german-probate-lawyer.com
- verwaltungsportal.hessen.de. verwaltungsportal.hessen.de
- dlapiperrealworld.com. dlapiperrealworld.com
- lawyersgermany.com. lawyersgermany.com
- iclg.com. iclg.com
Compiled by the Propstock research desk from the sources above.