Rental Investing in Mainz, Rheinland-Pfalz

2026 Market Data & Investment Analysis

Gross Yield

4.4%

Annual rent / price

Median Home Price

€360,000

As of 2025-01

Median Monthly Rent

€1,312

Per month

Population

214,000

+2.2% / yr (5y avg)

Calculate Your Return in Mainz

Pre-filled with Mainz's median values. Adjust to match your specific property.

Property Details

Total acquisition cost before taxes

HOA, insurance, property management

%

% of time the property is empty

%

% of purchase price (e.g. 2% = 2)

% of price

Rule of thumb: 1% of purchase price/yr

Results

Gross Rental Yield

4.37%

Net Rental Yield

2.49%

Cap Rate

2.49%

Monthly Cash Flow

€746.40

Annual Cash Flow

€8,956.80

> 6% — Excellent4–6% — Good< 4% — Low

Market Overview

Median Home Price — 5-Year Trend

2021
€380,000
2022
€416,000
2023
€388,000
2024
€371,000
2025
€360,000

Median Monthly Rent — 5-Year Trend

2021
€1,180
2022
€1,232
2023
€1,268
2024
€1,292
2025
€1,312

While Mainz's rental yields of 4.4% are below average, investors may benefit from strong long-term appreciation potential in this market.

Strong population growth of 2.2% per year suggests increasing rental demand and a tightening supply-demand balance over time.

The vacancy rate of 0.9% is healthy, indicating strong rental demand and limited downtime between tenants.

Investment Profile

Appreciation Market

Mainz features strong population growth that may drive property values higher over time. Current rental yields are modest, so returns are more dependent on price appreciation than immediate rental income.

Strengths

  • Population growth of 2.2% per year supports long-term demand
  • Appreciation potential may deliver strong total returns over time
  • Robust rental demand from growing workforce and population

! Risks

  • Gross yield of 4.4% provides limited current cash flow
  • Higher purchase prices require larger upfront capital
  • Returns more sensitive to market cycles and interest rates

Key Metrics

Gross Yield4.4%
Median Home Price€360,000
Median Monthly Rent€1,312
Population Growth+2.2% / yr
Vacancy Rate0.9%

How Mainz Compares

Mainz vs Wiesbaden: 0.2 percentage point difference in gross yield.

CityMedian PriceMedian RentGross YieldPop. Growth
Wiesbaden, Hessen€384,000€1,3284.2%+1.7%
Frankfurt am Main, Hessen€496,000€1,5843.8%+3.5%
Darmstadt, Hessen€376,000€1,3764.4%+2.8%

Frequently Asked Questions

Is rental investing profitable in Mainz?
Mainz offers a gross rental yield of 4.4%, which is in line with the national average. With a median home price of €360,000 and median monthly rent of €1,312, profitability is achievable but depends heavily on financing terms and whether you can source properties below the median price.
What is the average rental yield in Mainz?
The average gross rental yield in Mainz is approximately 4.4%, based on a median home price of €360,000 and median monthly rent of €1,312 (as of 2025-01). Net yield, which accounts for vacancy, expenses, and maintenance, is typically 2–3 percentage points lower.
How does Mainz compare to Wiesbaden for investors?
Mainz has a gross yield of 4.4% compared to 4.2% in Wiesbaden, a difference of 0.2 percentage points. Mainz offers higher current income potential, making it more attractive for cash flow-focused investors.

Ready to Analyse a Specific Property in Mainz?

Use our free rental yield calculator to model any property — not just the median.

Data source: Destatis / Immobilienscout24. Last updated: 2025-01. This information is for educational purposes only and does not constitute investment advice.