Koblenzer WohnBau
Koblenzer WohnBau (Koblenzer Wohnungsbaugesellschaft mbH) is a City of Koblenz-owned municipal housing company, founded in 1950 and the city's largest residential landlord, managing roughly 3,200 rental apartments across 22 districts for general, subsidized, senior, intergenerational, and Housing First tenants.
- Company typePrivate
- Founded1950
- HeadquartersKoblenz, Germany
- Headcount11–50
- GTM typeB2C
- OfferingServices
What Koblenzer WohnBau does
Koblenzer Wohnungsbaugesellschaft mbH, operating as Koblenzer WohnBau (also KoWoBau), is a municipal housing company founded on April 11, 1950, and owned by the City of Koblenz. As of mid-2026 it is the largest housing provider in Koblenz, managing approximately 3,200 rental apartments across 22 of 24 city districts with around 60 employees. Its core offering is long-term residential rental housing under monthly Brutto-Warmmiete contracts, with an income-based affordability guideline (gross warm rent not exceeding 40% of net household income) and a portion of stock restricted to WBS-subsidized tenants.
The operational product set spans the full tenant lifecycle. The Wohnungssuche (apartment search) runs on the Immomio self-serve tenant portal; specialized sub-products include Senioren Wohnen mit Service at Karl-Russell-Straße 21a–c (24 barrier-free apartments with bundled DRK care contracts at €79.25/month single and €120.19/month couple), Generationenübergreifendes Wohnen at Boelckestraße 25 in cooperation with Miteinander-Füreinander e.V., and Housing First with AWO Kreisverband Koblenz-Stadt e.V. A 24/7 Handwerker-Notruf (emergency repair hotline) and online Schadensmeldung (damage reporting) service back the post-occupancy layer. No proprietary technology stack is disclosed — the build-versus-buy position is buy: Immomio for tenant matching, Personio for HR, and SolidWP for site security. Active construction and modernization projects include the Moselbogen Rauental development (~90 new apartments, ~30% subsidized, target completion 2028–2029) and a Deutsche Telekom Glasfaser fiber-optic rollout across 730 apartments.
Commercial mechanics are anchored in recurring residential rental income (subscription-like monthly payments) plus a secondary, transactional stream from condominium sales and Wohnungseigentumsverwaltung. Customer segments span general residential tenants, WBS-subsidized applicants, seniors in assisted living, vulnerable/formerly homeless individuals under Housing First, and multi-generational households. Go-to-market is direct-to-consumer: in-house letting teams handle viewings and lease execution, the Immomio portal drives the self-serve application pipeline, and a walk-in Kundencenter (customer center) at Görgenstraße 11 plus a Neuendorf field office deliver in-person service. The company is privately held as a GmbH, has no parent or subsidiaries, has raised no external funding, and reports no disclosed revenue or audited financial statements in the available data.
Koblenzer WohnBau firmographics
Firmographics- Name
- Koblenzer WohnBau
- Legal name
- Koblenzer Wohnungsbaugesellschaft mbH
- Website
- https://koblenzer-wohnbau.de
- Company type
- Private
- Founded year
- 1950
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Koblenzer WohnBau (Koblenzer Wohnungsbaugesellschaft mbH) is a City of Koblenz-owned municipal housing company, founded in 1950 and the city's largest residential landlord, managing roughly 3,200 rental apartments across 22 districts for general, subsidized, senior, intergenerational, and Housing First tenants.
- Ownership category
- akta.pro rank
Koblenzer WohnBau industry classification
Industry- Product category
- Residential Property Management
- NAICS
- Residential Property Managers (531311), Lessors of Residential Buildings and Dwellings (53111)
- SIC
- Operators Of Apartment Buildings (6513), Real Estate Agents & Managers (For Others) (6531)
- akta.pro primary industry
- Multifamily Apartment Property Management (BPAJAFAA)
- akta.pro secondary industries
- Affordable/Subsidized Independent Living (HUD/LIHTC) Communities (HLADAAAB), Housing & Placement Coordination (Assisted Living, Memory Care, SNF) (HSABAIAL)
Keywords
Where Koblenzer WohnBau is headquartered
LocationHeadquarters
- HQ city
- Koblenz
- HQ country
- Germany
- HQ region
- Europe
Offices2 records
Markets served
Koblenzer WohnBau business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Supply Chain, Marketing or Sales, Technology or R&D
Revenue model
- Residential Rental Income: Primary revenue stream from renting approximately 3,200 apartments to tenants across 22 city districts of Koblenz. Income is recurring and based on monthly rental payments (Brutto-Warmmiete). A portion of apartments are publicly subsidized (WBS-restricted) and rented at lower rates to qualifying households.
- Property Sales: Secondary revenue from the sale of properties (e.g., ownership apartments / Wohnungseigentum). Referenced in the team section under 'Vermietung/ Verkauf/ Wohnungseigentumsverwaltung'. One-time transaction-based revenue.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Income-based affordability rule |
| Subscription | Monthly | DRK Care Services - Senioren Wohnen mit Service |
| Subscription | Monthly | Publicly subsidized apartments (WBS) |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels6 records
Koblenzer WohnBau product offering
Product offeringCore offering
Koblenzer WohnBau rents and manages approximately 3,200 residential apartments across 22 city districts in Koblenz, with a portfolio that includes market-rate and publicly subsidized (WBS) housing. In addition to standard long-term rental and one-time property sales, it operates specialized housing concepts: Senioren Wohnen mit Service with bundled DRK care, Generationenübergreifendes Wohnen (intergenerational community living), and Housing First for formerly homeless individuals. New construction is pursued through development projects such as Moselbogen Rauental (~90 planned apartments).
Product overview
Koblenzer WohnBau is a municipal housing company offering a comprehensive housing management platform. The core offering consists of approximately 3,200 rental apartments across 22 city districts in Koblenz, with supporting services including the Immomio-powered digital apartment search, customer service center, maintenance services, and emergency repair hotline. The portfolio includes specialized housing sub-products: Senioren Wohnen mit Service (senior housing with integrated DRK care services), Generationenübergreifendes Wohnen (intergenerational community living), and Housing First (supportive housing for homeless individuals). New development is pursued through projects like Moselbogen Rauental. The company operates as a unified housing management service rather than a modular software platform.
Differentiator
Problem solved
Functional benefit
Products and services
- Wohnungssuche (Apartment Rental Service)
Quantifiable outcome
- ~3,200 apartments managed, making Koblenzer WohnBau the largest housing provider in Koblenz
- +3 more outcomes
Companies that use Koblenzer WohnBau
Customer profileNamed customers3 records
Segments5 records
Ideal customer profiles5 records
Koblenzer WohnBau technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration6 records
Koblenzer WohnBau partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered minor and core.
- Regionale Wohnungsbau-Unternehmen (Arbeitsgemeinschaft Mittelrhein, VdW Rheinland-Westfalen)minorRegional cooperation network of eight non-profit and municipal housing companies, cooperatives, and building associations meeting to discuss housing industry topics, particularly the 'Wärmewende' (energy transition) in existing buildings. Partners include GSG Neuwied, Gemeinnütziger Bauverein Koblenz, Modernes Wohnen Koblenz, Baugenossenschaft Rhein-Lahn, and others. Regular networking meetings established.
- Deutsche TelekomcorePartnership to expand fiber optic (Glasfaser) connectivity across the housing stock. Official ground-breaking on April 22, 2026 in presence of Oberbürgermeister David Langner. First phase: 730 apartments on right Rhine side and in Lützel, Metternich, Karthause districts to be connected.
- AWO Kreisverband Koblenz-Stadt e. V.coreHousing First cooperation agreement signed in summer 2023. Koblenzer WohnBau provides apartments to formerly homeless individuals; AWO provides social work support. Five project participants housed by mid-2026; three apartments actively tenanted. Förderbescheid (funding approval) handed over in May 2026.
- Immomio GmbHcoreDigital tenant matching and apartment search platform. Immomio is the white-label platform used by Koblenzer WohnBau for tenant registration, apartment search, application submission, and status tracking. Also used for parking/garage space searches. Data processing agreement in place.
- Deutsches Rotes Kreuz (DRK)coreDRK provides mandatory care services for the Senioren Wohnen mit Service facility at Karl-Russell-Straße 21a-c in Lützel. Services include 24-hour emergency call, community management, daily living support, and coordination of further care. Care contract is bundled with the rental agreement at €79.25/month (singles) or €120.19/month (couples).
- Miteinander-Füreinander e.V. (formerly: Verein Gemeinsam Wohnen in der Region Koblenz e.V.)coreNon-profit association managing the Generationsübergreifendes Wohnen project at Boelckestraße 25. The association selects tenants, manages community life, and administers shared spaces (community room, garden). Koblenzer WohnBau owns the property. Residents are members of the association.
- GSG NeuwiedminorHost and facilitator of the regional housing company meeting (Arbeitsgemeinschaft Mittelrhein, VdW Rheinland-Westfalen) focused on Wärmewende in existing buildings.
- Verband der Wohnungs- und Immobilienwirtschaft Rheinland-Westfalen (VdW Rheinland-Westfalen)minorIndustry association facilitating the Arbeitsgemeinschaft Mittelrhein working group where regional housing companies exchange knowledge on topics including energy transition, regulation, and best practices.
Scale indicators5 records
Recent moves6 records
Expansion highlights6 records
Koblenzer WohnBau competitors and assessment
Company assessmentBroad incumbents
- Vonovia SE: Germany's largest residential landlord with ~550,000 units nationwide. Directly comparable business model of owning and managing multifamily rental apartments, though at vastly greater scale and with a private/listed ownership structure versus Koblenzer WohnBau's municipal model.
- LEG Immobilien SE: Listed residential real estate company focused on North Rhine-Westphalia, managing ~166,000 rental apartments. Comparable as a regional/multifamily residential landlord operating in adjacent German states with similar tenant base and rent-regulation exposure.
- Deutsche Wohnen SE: Major German residential property manager/owner with ~155,000 units, primarily in Berlin and NRW. Closely comparable multifamily rental model subject to the same Mietpreisbremse and operating cost dynamics as Koblenzer WohnBau.
Direct peers
- Gemeinnütziger Bauverein Koblenz: Non-profit/cooperative housing association in Koblenz, also part of the regional housing cooperation. Direct local peer operating in the same city with similar affordable-housing mandate and tenant base.
- SAGA Siedlungs-Aktiengesellschaft Hamburg: Hamburg's municipal housing company managing ~135,000 apartments under a similar city-owned, social-mandate model. Closest structural peer to Koblenzer WohnBau in terms of public ownership, social housing program breadth, and tenant mix.
- GBG Mannheimer Wohnungsbaugesellschaft: Municipal housing company in Mannheim managing ~19,000 rental apartments. Very close structural analog as a city-owned GmbH running mixed market-rate and subsidized units with social projects, similar in governance and operating philosophy to Koblenzer WohnBau.
- Nassauische Heimstätte/Wohnstadt: State-owned housing company in Hesse managing ~60,000 units, including significant subsidized housing. Comparable as a publicly-mandated residential landlord operating social programs alongside market rentals, regionally adjacent to Rhineland-Palatinate.
- Modernes Wohnen Koblenz: Smaller municipal housing provider also active in Koblenz and named as a regional cooperation partner. Direct local peer competing in the same apartment pool and sharing the Arbeitsgemeinschaft Mittelrhein working group.
- GWW Wiesbadener Wohnbaugesellschaft: Municipal housing company in Wiesbaden with ~13,000 units. Comparable city-owned multifamily landlord in a mid-sized German city, subject to the same federal rent regulation framework and serving similar tenant demographics.
Regional players
- Baugenossenschaft Rhein-Lahn: Building cooperative in the adjacent Rhein-Lahn district participating in the same regional Arbeitsgemeinschaft. Comparable cooperative/membership-based housing model serving a similar demographic around Koblenz.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
Koblenzer WohnBau social profiles
Digital presenceKoblenzer WohnBau financial estimates
Financial estimateRevenue estimate
Valuation estimate
Koblenzer WohnBau leadership team
Management profileNumber of profiles
Profiles7 records
Koblenzer WohnBau funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Koblenzer WohnBau M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Koblenzer WohnBau
What does Koblenzer WohnBau do?
Koblenzer WohnBau rents and manages approximately 3,200 residential apartments across 22 city districts in Koblenz, with a portfolio that includes market-rate and publicly subsidized (WBS) housing. In addition to standard long-term rental and one-time property sales, it operates specialized housing concepts: Senioren Wohnen mit Service with bundled DRK care, Generationenübergreifendes Wohnen (intergenerational community living), and Housing First for formerly homeless individuals. New construction is pursued through development projects such as Moselbogen Rauental (~90 planned apartments).
Is Koblenzer WohnBau a public or private company?
Koblenzer WohnBau is a private company. It is classified as state government owned and is currently operating.
When was Koblenzer WohnBau founded?
Koblenzer WohnBau was founded in 1950. It employs 11 to 50 people.
Where is Koblenzer WohnBau based?
Koblenzer WohnBau is headquartered in Koblenz, Germany, in the Europe region.
How does Koblenzer WohnBau make money?
Two revenue lines are on record. Residential Rental Income is the primary driver. The others are property Sales.
Who are Koblenzer WohnBau's main competitors?
Broad incumbents on record are Vonovia SE, LEG Immobilien SE and Deutsche Wohnen SE. Direct peers are Gemeinnütziger Bauverein Koblenz, SAGA Siedlungs-Aktiengesellschaft Hamburg, GBG Mannheimer Wohnungsbaugesellschaft, Nassauische Heimstätte/Wohnstadt, Modernes Wohnen Koblenz and GWW Wiesbadener Wohnbaugesellschaft. Baugenossenschaft Rhein-Lahn is listed as a regional player.
Does Koblenzer WohnBau have an API?
No public API is recorded for Koblenzer WohnBau.
What industry is Koblenzer WohnBau in?
Koblenzer WohnBau's product category is Residential Property Management. Its primary akta.pro industry code is BPAJAFAA, Multifamily Apartment Property Management, with a secondary code of HLADAAAB, Affordable/Subsidized Independent Living (HUD/LIHTC) Communities. Its NAICS code is 531311 and its SIC code is 6513.