Wohnungsbaugenossenschaft 'Am Ostseeplatz' eG

What Wohnungsbaugenossenschaft 'Am Ostseeplatz' eG does

Wohnungsbaugenossenschaft 'Am Ostseeplatz' eG is a Berlin-registered housing cooperative (eingetragene Genossenschaft, eG) founded in November 2000 by tenants at a 1930s Prenzlauer Berg complex. As of 2024 it manages approximately 630 residential apartments and 30 commercial units across nine named property clusters spanning Prenzlauer Berg, Kreuzberg, Friedrichshain, Wedding, Schöneberg, Neukölln, Treptow-Köpenick, Pankow, and (forthcoming) Spandau. The cooperative operates a distinctive member-ownership model in which tenants purchase cooperative shares (Geschäftsanteile) and become collective co-owners (Mieter:innen zu genossenschaftlichen Miteigentümer:innen), with governance exercised through a two-person Vorstand and multi-member Aufsichtsrat. Mission focus is long-term affordable housing, social integration across generations, cultures, and ability levels, and ecological construction.

The cooperative's underlying technology stack is unconventional for a real-estate entity: it emphasizes ecological building methods — most notably a seven-story timber-framed communal housing building (Lynarstraße, 2018) that won the Berliner Holzbaupreis 2019, Deutscher Holzbaupreis 2019, and Deutscher Ingenieurbaupreis 2020 — supplemented by energy infrastructure including a 34 kW electrical / 78 kW thermal combined heat and power (CHP) plant with gas condensing peak boiler, and 250 photovoltaic modules generating 51 MWh annually (~65 tonnes CO₂ savings). Architectural innovation includes the proprietary Wohnungscluster concept (private apartments sharing communal kitchens, living areas, and terraces), developed with Sauerbruch Hutton, and integration of social services on ground floors (Kita, Demenz-WG, Diakonie Sozialstation, Berliner Obdachlosenhilfe Nachtcafé, Arts of the Working Class office). Tenant-facing digital services are delivered via a third-party platform (iDWELL) through the Ostseeplatz App (iOS, Android, web). No public APIs, proprietary AI, or developer-facing platform are offered.

Revenue is generated primarily through monthly residential and commercial rental income, with rents capped at €7.00–€11.50/sqm for subsidy-funded units under Berlin Wohnungsbauförderbestimmungen (Förderstufen 1–3), materially below market rates. A EUR 16,000,000 corporate bond issued in September 2023 and traded via UmweltBank supplements operating cash flow for growth. Growth comes from a hybrid channel: direct acquisitions (often via Berlin districts' right of first refusal / Vorkaufsrecht), new construction projects (Radenzer Straße ~99 units; Das Neue Gartenfeld ~300 units), and the Land Berlin Genossenschaftsförderung program. Customers are distributed member-households and ~30 small commercial tenants — predominantly social-services and cultural organizations — producing low customer concentration and structurally low churn. Geographic footprint is exclusively Berlin, Germany.

Name

Wohnungsbaugenossenschaft 'Am Ostseeplatz' eG

Legal name

Wohnungsbaugenossenschaft 'Am Ostseeplatz' eG

Website

https://ostseeplatz.de

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

1–10 employees

Short description

Wohnungsbaugenossenschaft 'Am Ostseeplatz' eG is a Berlin-based tenant-founded housing cooperative managing approximately 630 apartments and 30 commercial units, converting tenants into cooperative co-owners through an affordable, ecological, community-integrated housing model.

Ownership category

akta.pro rank

Product category

Cooperative Housing

NAICS

Other Community Housing Services (624229)

SIC

Operators Of Apartment Buildings (6513)

akta.pro primary industry

Cooperative (Co-op) Housing Association Management (BPAJAHAC)

akta.pro secondary industries

HOA / Condominium Association Management (BPAJAFAH), Mixed-Use Community Association Management (BPAJAHAF)

Keywords

• Affordable housing
• Housing cooperative
• Residential property management
• Community housing
• Ecological construction

Headquarters

HQ city

Berlin

HQ country

Germany

HQ region

Europe

Offices4 records

Markets served

GTM type

B2C

Offering type

Services

Revenue model

1. Residential Rental Income: Monthly rental income from approximately 630 apartments and 30 commercial units. Rents are kept affordable through cost-efficient construction, operating cost minimization, and public subsidies.
2. Bond (Unternehmens-Anleihe): Bond with nominal value of EUR 16,000,000 fully placed since September 29, 2023. Traded via UmweltBank.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Wohnungsbaugenossenschaft 'Am Ostseeplatz' eG is a Berlin-based housing cooperative (eingetragene Genossenschaft) that owns and manages approximately 630 residential apartments and 30 commercial units across multiple Berlin districts. Members acquire cooperative shares (Geschäftsanteile) to obtain long-term, affordable rental housing, with rents kept low through cost-efficient construction, public subsidies, and shared ownership. The cooperative also develops new construction projects focused on innovative, ecological, and community-oriented housing concepts.

Product overview

Wohnungsbaugenossenschaft 'Am Ostseeplatz' eG is a Berlin-based housing cooperative offering a portfolio of affordable residential apartments and commercial spaces across multiple properties. The core offerings include approximately 630 apartments (Wohnungen) and 30 commercial units (Gewerbeeinheiten) managed through various named housing projects. The cooperative provides tenants with digital services through the Ostseeplatz App, a tenant communication platform. Individual product brands include established properties like the Ostseeplatz Wohnanlage (original 1930s complex), Waldekiez (15 Altbauten in Kreuzberg), Lynarstraße Holzhaus (award-winning timber construction), and Schreinerstraße/Villa Felix, along with new development projects such as Das Neue Gartenfeld in Spandau and Radenzer Straße in Baumschulenweg. The cooperative's digital tenant services are powered by a third-party platform, while membership programs transform tenants into cooperative co-owners.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Annual CO2 savings of approximately 65 tonnes through CHP at Ostseeplatz
• +2 more outcomes

Named customers5 records

Segments5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

Feature3 records

Partnerships

Nine partnerships are on record, tiered minor and core.

• WBM Wohnungsbaugesellschaft Berlin-Mitte mbHminorOthers · 1 August 2007Original owner from whom 15 houses with 182 apartments and 9 commercial units were acquired in Kreuzberg in August 2007.
• Berliner Immobilienmanagement GmbH (BIM)coreStrategic or Co-development PartnerBIM issued the concept competition (Konzeptverfahren) 'Radenzer Straße' which the cooperative won, leading to the development of the Radenzer Straße communal housing project.
• Sauerbruch Hutton Gesellschaft von Architekten mbHcoreTechnology or IntegrationArchitecture firm responsible for the design of the Radenzer Straße project, developing innovative Wohnungscluster concepts.
• Duplex ArchitektencoreTechnology or IntegrationUrban planning concept for Das Neue Gartenfeld project on Gartenfeld island in Spandau.
• STraumacoreTechnology or IntegrationLandscape architecture firm responsible for open space concept (Freiraumkonzept) for Das Neue Gartenfeld project.
• SCHÄFERWENNINGERPROJEKT GmbHcoreTechnology or IntegrationArchitecture firm for Lynarstraße project - a seven-story wooden communal housing building in Wedding.
• Berliner EnergieagenturcoreTechnology or IntegrationOperates the heating center at Ostseeplatz with a small CHP plant (34kW electrical, 78kW thermal) and peak load gas condensing boiler.
• Berliner Obdachlosenhilfe e.V.minorOthersOperates Nachtcafé (night café) in the ground floor of the Lynarstraße building.
• DiakonieminorOthersOperates a Sozialstation (social services station) in the Lynarstraße building.

Scale indicators7 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Beamten-Wohnungs-Verein zu Berlin eG: Long-standing Berlin housing cooperative (eG) providing affordable rental housing to members — structurally identical to Wohnungsbaugenossenschaft 'Am Ostseeplatz' eG with comparable member-co-ownership conversion and Berlin-only geographic focus.
• Charlottenburger Baugenossenschaft eG: Berlin housing cooperative operating a multi-thousand-unit portfolio under the same eG cooperative structure, providing member-owned affordable rental housing on similar terms — the closest direct cooperative peer in scale and governance.
• Märkische Scholle Wohnungsbaugenossenschaft eG: Berlin housing cooperative providing member-owned affordable rental housing — closest direct cooperative peer in city, structure, and member-co-ownership mechanic.

Broad incumbents

• degewo AG: Berlin's largest public housing company; directly relevant as a Berlin-only affordable rental operator, but several orders of magnitude larger and publicly structured rather than cooperatively structured.
• Gewobag Wohnungsbauaktiengesellschaft Berlin: Major Berlin municipal housing company operating >70,000 units; comparable on affordable-rental product and Berlin-only geography, though much larger and structured as an AG rather than a cooperative.
• HOWOGE Wohnungsbaugesellschaft mbH: State-owned Berlin housing company with tens of thousands of units offering affordable rental housing citywide — comparable product/customer overlap but materially larger and publicly owned rather than member-owned.
• Vonovia SE: Germany's largest residential landlord with a portfolio across Berlin; demonstrates the for-profit incumbent operating model at city scale — relevant as the institutional benchmark for Berlin residential real estate values.
• WBM Wohnungsbaugesellschaft Berlin-Mitte mbH: Berlin municipal housing company that was the seller in the cooperative's 2007 acquisition of 15 Waldekiez buildings (182 units). Directly relevant as a like-for-like Berlin affordable-housing owner/operator even though larger and broader in portfolio scope.

Others

• LEG Immobilien SE: Large publicly-listed German residential operator focused on affordable housing in North Rhine-Westphalia — thematically comparable on affordable-housing operations, though operating in a different region than the Berlin-anchored cooperative.

Regional players

• Bauverein München eG: Large Munich-based housing cooperative (eG) with comparable member-owned affordable-rental model and a long-standing development pipeline — does not compete in Berlin but is highly relevant on cooperative governance, construction, and subsidy-access mechanics.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/wohnungsbaugenossenschaft-am-ostseeplatz-eg

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

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M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Wohnungsbaugenossenschaft 'Am Ostseeplatz' eG