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Buying and selling in San Sebastián de los Reyes · more than 35 years in the property sector
Sell your flat in San Sebastián de los Reyes with no funny business.
The average asking price for homes for sale in San Sebastián de los Reyes is €4,170/m² (+10% in a year). With Llavely we do everything for you: valuation, photos, virtual tour, screened buyers and viewings, and you pay 2.5% + VAT only if you sell, all inclusive and with no hidden costs.
- 2.5% + VAT, all inclusive: what you see is what you get
- Lawyers with more than 35 years of experience, all the way to the notary
- We do the viewings ourselves, only with screened buyers
What your home in San Sebastián de los Reyes is worth
Do the maths
Selling an 80 m² flat in San Sebastián de los Reyes
At the average price, it would be worth around €334,000. This is what you would pay in total, VAT included and nothing else:
Calculate with your price- Llavely Sale · 2.5%, all inclusive
- €10,104
- Agency charging 5%, commission only
- €20,207
You save €10,103 with Llavely Sale. And with an agency, the lawyer and the photos are usually paid for separately.
Price: idealista, sale price report for September 2026 (average price in listings). Population: INE (Spanish National Statistics Institute), Annual Population Census at 1 January 2025.
Living and selling in San Sebastián de los Reyes
San Sebastián de los Reyes lies about 20 km north of Madrid, next to the A-1, and practically forms a single city with Alcobendas. It has around 97,000 inhabitants, a lively centre, neighbourhoods of flats from the seventies and eighties and more recent developments such as Dehesa Vieja and Tempranales, as well as estates of detached houses such as Fuente del Fresno. It is known for the bull runs of its August festivities, the Infanta Sofía University Hospital and its large shopping areas.
It has Metro line 10 into central Madrid, and Cercanías commuter rail line C-4 at Alcobendas-San Sebastián de los Reyes station; by road, the A-1 and the M-50. It attracts families and professionals who work in the north of Madrid and are looking for a large town with services. Asking prices are in the upper range for the region and have clearly risen over the last year.
- Metro: line 10 (northern section)
- Cercanías: line C-4 (Alcobendas-San Sebastián de los Reyes)
- A-1 motorway
- Infanta Sofía University Hospital
San Sebastián de los Reyes is part of the North of Madrid: Alcobendas, San Sebastián de los Reyes, Tres Cantos and Colmenar.
Areas and residential estates in San Sebastián de los Reyes
- Town centre
- Dehesa Vieja
- Tempranales
- Fuente del Fresno
How it works
Selling in San Sebastián de los Reyes with Llavely
- Ask for your free valuationWe give you a price range straight away; then we call you, see your home and fine-tune it. If it works for you, we sign the sale agreement. You pay 2.5% + VAT only if you sell.
- We take care of everythingPhotos, video, floor plan and virtual tour; we find buyers, screen them and do the viewings. You don’t have to be on call.
- Follow your sale and decideIn your portal you see every viewing with our opinion, and the offers, which you accept or reject. Your lawyers, included, stay with you all the way to the notary.
One price, all inclusive
- Specialised lawyers, from start to finish
- They go with you in person to the notary on signing day
- Professional photos, video, floor plan and virtual tour
- We do the viewings ourselves
- Your private portal and a summary every week
That is the total, and you only pay it if you sell, on the day of signing at the notary. Free for the buyer.
Frequently asked questions about selling in San Sebastián de los Reyes
What does a square metre cost in San Sebastián de los Reyes?
The average asking price for homes for sale in San Sebastián de los Reyes is €4,170/m² (+10% in a year), according to idealista, sale price report for September 2026. The average for the Comunidad de Madrid (Madrid region) is €5,065/m². This is the price asked in listings: the price of each home depends on the floor, its condition, the light and any extras.
How much does it cost to sell a flat in San Sebastián de los Reyes with Llavely?
You pay nothing up front: only if you sell, on the day of signing at the notary. An 80 m² flat in San Sebastián de los Reyes would be worth around €334,000: with Llavely Sale you would pay €10,104 in total, VAT included, with everything included: lawyers who go with you to the notary, photos, video, floor plan, virtual tour and the viewings, which we do ourselves. With an agency charging 5%, it would be around €20,207 in commission alone, and the lawyer and the photos are usually paid for separately. No hidden costs: what you see is what you get.
In Town centre, Dehesa Vieja, Tempranales and Fuente del Fresno too?
Yes. Llavely covers all of San Sebastián de los Reyes, including areas such as Town centre, Dehesa Vieja, Tempranales and Fuente del Fresno.
Can I sell commercial premises, an office or a garage in San Sebastián de los Reyes?
Yes. As well as flats, penthouses, houses and detached homes, you can sell commercial premises, offices, garages, storage rooms, industrial units and land, on the same terms.
What taxes do I pay when I sell in San Sebastián de los Reyes?
Usually the plusvalía municipal (municipal capital gains tax), charged by the town council of San Sebastián de los Reyes, and IRPF (Spanish income tax) on the gain, if there is one. With Llavely Sale, our lawyers calculate the applicable taxes for you before the price is set. We explain it in our guide to taxes when selling a flat.
Who shows the property in San Sebastián de los Reyes?
We do. Viewings are included in the 2.5% and we only show your home to screened buyers whose ID we have checked. After each viewing, we tell you in your portal how it went.
Selling near San Sebastián de los Reyes
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Sell in San Sebastián de los Reyes with people who mean business.
Ask for your free valuation: we give you a price range straight away and then call you to fine-tune it once we have seen your home.
Free valuation