Osiedle Kostrowskiego, Kobyłka

Art 19b developer offer prices — mandatory disclosure from data.gov.pl, not NBP transaction averages.

Developer: DARBUD DEVELOPER Sp. z o.o., Sp. Kom.
City: Kobyłka
Units on 2026-09-11: 2
Price range / m²: PLN 9,547 – PLN 9,884

Address ul. Sierż. A. Kostrowskiego 4-18, 05-230, Kobyłka Precise address

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Open information prospectus

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Unit offers

Developer asking prices compared to district and city transaction averages for a similar size band (NBP/GUS).

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Unit	Area	Offer / m²	Total	All-in (19a)	Status	Prospectus
#1 2 rooms · floor 0 Show details Hide details Price effective from 2025-10-09	55.41 m²	PLN 9,547	PLN 529,000	—	Available	View
#2 2 rooms · floor 0 Show details Hide details Price effective from 2025-10-09	58.58 m²	PLN 9,884	PLN 579,000	—	Available	View

All disclosed project fields

Every non-empty field from the latest register import for this investment.

Dane dewelopera

Nr NIP: 1251693308

Lokalizacja inwestycji

Województwo: mazowieckie
Powiat: wołomiński
Gmina: Kobyłka

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Frequently asked questions about Osiedle Kostrowskiego, Kobyłka

How much does an apartment at Osiedle Kostrowskiego, Kobyłka cost?

Offer prices at Osiedle Kostrowskiego, Kobyłka run from PLN 9 547/m² to PLN 9 884/m², with a median of PLN 9 884/m². These are the developer's own asking prices as filed in the Art. 19b register on September 11, 2026 — not transaction prices.

Who is the developer of Osiedle Kostrowskiego, Kobyłka?

Osiedle Kostrowskiego, Kobyłka is being built by Darbud Developer Sp. z o.o., Sp. Kom. (NIP 1251693308), which publishes its mandatory offer prices under Art. 19b.

How many units are available at Osiedle Kostrowskiego, Kobyłka?

The register lists 2 units at Osiedle Kostrowskiego, Kobyłka as of September 11, 2026.

Where is Osiedle Kostrowskiego, Kobyłka located?

Osiedle Kostrowskiego, Kobyłka is at ul. Sierż. A. Kostrowskiego 4-18, 05-230, Kobyłka, Kobyłka.

Where does this price data for Osiedle Kostrowskiego, Kobyłka come from?

Directly from the Art. 19b mandatory price register that Darbud Developer Sp. z o.o., Sp. Kom. is legally required to publish on dane.gov.pl. We reproduce the filing unchanged — these are asking prices set by the developer, not NBP transaction averages or listing-portal figures.

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