Puente de Vallecas · Madrid

Rental yield in San Diego

San Diego is an affordable area for Madrid, with a high rental yield and a Total Return above the city average. Here is what a typical flat in San Diego costs to buy and rent, and the Total Return (IRR) it delivers, compared with Puente de Vallecas and the rest of Madrid.

High returnUpdated September 2026 · official data

Sale price

3,025

€/m² · second-hand homes

Rent

20.0

€/m² per month · market rate

Gross yield

7.9%

annual rent ÷ price

Total Return

14.1%

10-year IRR · typical flat

Appreciation

+5.6%

a year, 10-15 year history

Cash flow

€199

per month, year 1, after tax

What the data says

San Diego is a neighbourhood in the Puente de Vallecas district of Madrid. The reference sale price is €3,025/m², based on the 2025 registry statistics (Madrid City Council): 37% below the Madrid median (€4,808/m²) and 6% above its district median (€2,849/m²). It ranks 114 of 130 neighbourhoods in Madrid by price and 2 of 6 within Puente de Vallecas.

The achievable market rent is around €20.0/m² per month (the neighbourhood's own figure; idealista asking rents adjusted to achievable rent): about €1,040 a month for a typical 52 m² flat, with no legal cap. The gross yield (annual rent ÷ price) comes to 7.9%, 3.2 points above the city median (4.7%): rank 6 of 130 by gross yield.

With a 70% mortgage at 3.80% over 25 years and a sale after 10 years, the estimated Total Return (IRR) for that typical flat is 14.1%, above the Madrid median (9.8%). It takes about €58,664 of cash (deposit, taxes and costs), and first-year cash flow after tax is €199 a month.

Asking prices in the Puente de Vallecas district have grown by an average of 5.6% a year over the last 10 and 15 years (idealista, December 2025). Historical, not a forecast: it is the appreciation the modelled sale assumes.

A typical flat in San Diego

The same standard assumptions as the CasaROI map: change the mortgage, term or tax profile in your account and the Total Return is recalculated for your case.

Size
52
Purchase price
€157,300
Monthly rent
€1,040
Cash needed · deposit + transfer tax + costs
€58,664
Monthly cash flow (year 1)
€199
Total Return (IRR)
14.1%

Assumptions: 70% mortgage over 25 years at 3.80%, sale after 10 years, Spanish tax resident at a 37% marginal rate, no renovation.

Neighbourhoods in Puente de Vallecas, ranked by gross yield

Area€/m²Rent €/m²GrossIRR
Entrevías2,39019.09.5%16.3%
San Diego3,02520.07.9%14.1%
Numancia3,25721.27.8%14.0%
Palomeras Sureste2,70316.07.1%12.9%
Portazgo2,72115.76.9%12.7%
Palomeras Bajas2,97716.96.8%12.7%

See San Diego on the map

Frequently asked questions

How much does a square metre cost in San Diego?

€3,025/m² on average, based on the 2025 registry statistics (Madrid City Council). A typical 52 m² flat costs about €157,300, 37% below the Madrid median.

How much is rent in San Diego?

Around €20.0/m² per month at market rates: €1,040 a month for a 52 m² flat, with no legal cap.

Is San Diego a good buy-to-let investment?

The gross yield is 7.9% (Madrid median: 4.7%). With a 70% mortgage and a sale after 10 years, the estimated Total Return (IRR) is 14.1% against a city median of 9.8%. It depends on your financing and tax residency: with your own profile the number can change.

Is San Diego in a stressed rental zone?

No. Madrid is not a declared stressed rental zone: rents are set by the market, with no legal cap.

Buying in San Diego?

Paste the listing and we tell you whether it holds up at that price: legal rent, taxes, red flags and a verdict.

Sources and method

  • Sale: Estadística Registral · Ayuntamiento de Madrid (precio declarado, neighbourhood) · MITMA city anchor 4212 €/m² (2024)
  • Rent: idealista · neighbourhood rent adjusted to achievable rent (×0,95)
  • Appreciation: average of the 10- and 15-year rates of the area's asking price — historical, not a forecast
Calculated with official data:SERPAVI · Min. ViviendaCatastroINEBCE · Euríbor

How we calculate the Total Return