Offer prices of apartments from developer MK INWESTYCJE R. Mendalka, M. Keller Spółka Jawna in 2026Ceny ofertowe mieszkań dewelopera MK INWESTYCJE R. Mendalka, M. Keller Spółka Jawna w 2026 r.
Ceny ofertowe mieszkań dewelopera MK INWESTYCJE R. Mendalka, M. Keller Spółka Jawna w 2026 r.Offer prices of apartments from developer MK INWESTYCJE R. Mendalka, M. Keller Spółka Jawna in 2026
This dataset provides the offer prices of apartments marketed by the Polish property developer MK INWESTYCJE R. Mendalka, M. Keller Spółka Jawna for the year 2026. The data are published in accordance with Article 19b(1) of the Polish Act of 20 May 2021 on the protection of rights of buyers of residential premises or single-family homes, and on the Developer Guarantee Fund, which obliges developers to disclose current offer prices for their projects. The dataset is intended to support price transparency for prospective buyers on the Polish housing market and forms part of a wider national collection of similar developer-price disclosures gathered under the same legal obligation.”}. }.}}.}} 오.}.Zbiór danych zawiera informacje o cenach ofertowych mieszkań dewelopera MK INWESTYCJE R. Mendalka, M. Keller Spółka Jawna udostępniane zgodnie z art. 19b. ust. 1 Ustawy z dnia 20 maja 2021 r. o ochronie praw nabywcy lokalu mieszkalnego lub domu jednorodzinnego oraz Deweloperskim Funduszu Gwarancy...
Trust score
How is this computed?Weighted across five axes. Tap a ring for what it measures.
Data schema (18 fields)
Click a field to see example values.
| Field | Type | Description |
|---|---|---|
| offer_dateOffer date | date | Date the offer price applies to.Date the offer price applies to. |
| developer_nameDeveloper name | text | Legal name of the developer company.Legal name of the developer company. |
| developer_nipDeveloper nip | text | Developer's tax identification number (NIP).Developer's tax identification number (NIP). |
| developer_regonDeveloper regon | text | Developer's national business registry number (REGON).Developer's national business registry number (REGON). |
| investment_nameInvestment name | text | Name of the housing development/investment project.Name of the housing development/investment project. |
| investment_cityInvestment city | text | City where the investment is located.City where the investment is located. |
| investment_streetInvestment street | text | Street name of the investment's location.Street name of the investment's location. |
| investment_postal_codeInvestment postal code | text | Postal code of the investment's location.Postal code of the investment's location. |
| investment_voivodeshipInvestment voivodeship | text | Voivodeship (province) where the investment is located.Voivodeship (province) where the investment is located. |
| building_idBuilding id | text | Unique identifier of the building.Unique identifier of the building. |
| building_streetBuilding street | text | Street name where the building is located.Street name where the building is located. |
| building_numberBuilding number | text | Building's street number.Building's street number. |
| building_postal_codeBuilding postal code | text | Postal code of the building's location.Postal code of the building's location. |
| type | text | Type of premises, e.g. flat or house.Type of premises, e.g. flat or house. |
| number | text | Unit number identifying the specific dwelling.Unit number identifying the specific dwelling. |
| area | number | Floor area of the unit in square meters.Floor area of the unit in square meters. |
| fullAddressFull address | text | Complete address including street, building and unit number.Complete address including street, building and unit number. |
| isSoldIs sold | boolean | Whether the unit has already been sold.Whether the unit has already been sold. |
Schema captured from pl_pricelist 5 days ago.
Query the data
Pick columns and a sort, then fetch a live preview straight from the source. Choose an API-filterable column (marked ▾) under “Where” to pick from its list of values.
Sample data (5 records)
Record 1area: 48.46 · type: Flat
{
"area": 48.46,
"type": "Flat",
"isSold": true,
"number": "M.1",
"offer_date": "2026-02-26",
"building_id": "6ed600b3-3a8c-4a24-a035-98a6429d236c",
"fullAddress": "Malinowa 3 m. M.1",
"developer_nip": "5711714268",
"developer_name": "MK INWESTYCJE R. Mendalka, M. Keller Spółka Jawna",
"building_number": "3",
"building_street": "Malinowa",
"developer_regon": "361597580",
"investment_city": "Żuromin",
"investment_name": "Osiedla Mazovia- Eko Park",
"investment_street": "Malinowa",
"building_postal_code": "09-300",
"investment_postal_code": "09-300",
"investment_voivodeship": "mazowieckie"
}Record 2area: 40.53 · type: Flat
{
"area": 40.53,
"type": "Flat",
"isSold": true,
"number": "M.10",
"offer_date": "2026-02-26",
"building_id": "6ed600b3-3a8c-4a24-a035-98a6429d236c",
"fullAddress": "Malinowa 3 m. M.10",
"developer_nip": "5711714268",
"developer_name": "MK INWESTYCJE R. Mendalka, M. Keller Spółka Jawna",
"building_number": "3",
"building_street": "Malinowa",
"developer_regon": "361597580",
"investment_city": "Żuromin",
"investment_name": "Osiedla Mazovia- Eko Park",
"investment_street": "Malinowa",
"building_postal_code": "09-300",
"investment_postal_code": "09-300",
"investment_voivodeship": "mazowieckie"
}Record 3area: 62.22 · type: Flat
{
"area": 62.22,
"type": "Flat",
"isSold": true,
"number": "M.11",
"offer_date": "2026-02-26",
"building_id": "6ed600b3-3a8c-4a24-a035-98a6429d236c",
"fullAddress": "Malinowa 3 m. M.11",
"developer_nip": "5711714268",
"developer_name": "MK INWESTYCJE R. Mendalka, M. Keller Spółka Jawna",
"building_number": "3",
"building_street": "Malinowa",
"developer_regon": "361597580",
"investment_city": "Żuromin",
"investment_name": "Osiedla Mazovia- Eko Park",
"investment_street": "Malinowa",
"building_postal_code": "09-300",
"investment_postal_code": "09-300",
"investment_voivodeship": "mazowieckie"
}Record 4area: 59.49 · type: Flat
{
"area": 59.49,
"type": "Flat",
"isSold": true,
"number": "M.12",
"offer_date": "2026-02-26",
"building_id": "6ed600b3-3a8c-4a24-a035-98a6429d236c",
"fullAddress": "Malinowa 3 m. M.12",
"developer_nip": "5711714268",
"developer_name": "MK INWESTYCJE R. Mendalka, M. Keller Spółka Jawna",
"building_number": "3",
"building_street": "Malinowa",
"developer_regon": "361597580",
"investment_city": "Żuromin",
"investment_name": "Osiedla Mazovia- Eko Park",
"investment_street": "Malinowa",
"building_postal_code": "09-300",
"investment_postal_code": "09-300",
"investment_voivodeship": "mazowieckie"
}Record 5area: 53.87 · type: Flat
{
"area": 53.87,
"type": "Flat",
"isSold": true,
"number": "M.13",
"offer_date": "2026-02-26",
"building_id": "6ed600b3-3a8c-4a24-a035-98a6429d236c",
"fullAddress": "Malinowa 3 m. M.13",
"developer_nip": "5711714268",
"developer_name": "MK INWESTYCJE R. Mendalka, M. Keller Spółka Jawna",
"building_number": "3",
"building_street": "Malinowa",
"developer_regon": "361597580",
"investment_city": "Żuromin",
"investment_name": "Osiedla Mazovia- Eko Park",
"investment_street": "Malinowa",
"building_postal_code": "09-300",
"investment_postal_code": "09-300",
"investment_voivodeship": "mazowieckie"
}Live sample captured at profiling time — values may have changed upstream.
Verification Status
Using the API
Query examples
curl -s 'https://api.wyslijdane.pl/resource/019c97b2-d967-76b4-840e-bf459b2eba01.json'Complete daily price-list disclosure — one JSON document per developer (art. 19b disclosure), flattened here to one row per offered property.
Dataset
Volume & freshness
License
No license declared upstream.
Distributions (1)
019c97b2-d967-76b4-840e-bf459b2eba01.json
https://api.wyslijdane.pl/resource/019c97b2-d967-76b4-840e-bf459b2eba01.json84 KB
Machine-readable & source
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