Oldest visible housing layer
About 592 addresses in Westzaan fall into Voor 1945. That is roughly 28% of the current housing stock.

2,363 addresses, 5 neighborhoods, 60 streets
There are 2,363 addresses in Westzaan. Of these, 2,082 are dwellings. The average living area is 242.4 m².
The average construction year is 1962. There are 5 neighborhoods and 60 streets in Westzaan.
Most buildings (592) were constructed during Voor 1945.
The most common energy label is A (403 homes).
This block shows the non-residential side of the city: how many postal zones, shops, offices and business spaces Westzaan contains.
Of the 2,082 homes in Westzaan, 54% owner-occupied and 46% rental. It gives a quick read on the balance between owner occupation and rental stock.
There are 2,082 properties in Westzaan. Of these, 54% are owner-occupied and 46% are rental.
More than trivia — measurable traces of how Westzaan was built over time.
About 592 addresses in Westzaan fall into Voor 1945. That is roughly 28% of the current housing stock.
The biggest growth wave sits in Voor 1945. 592 addresses date from that period, around 28% of the total.
The average construction year in Westzaan is around 1962. It shows which era most of the city still comes from today.
Together these figures show how Westzaan evolved: with an older layer from Voor 1945 and a clear growth wave in Voor 1945.
Westzaan has 2363 registered addresses according to the BAG (Basisregistratie Adressen en Gebouwen), the official government database managed by the Kadaster. These addresses are spread across 5 neighborhoods and 20 streets. The average living area in Westzaan is 242 m2 and the average construction year is 1962. On Woningsearch you can find detailed information for each address including area, construction year, energy label, WOZ value, and neighborhood statistics. All data is updated weekly from official government sources.
On Woningsearch you can search for real estate agents in Westzaan via our agent directory. You can filter by association (NVM, VBO, VastgoedPro), specialty, and location. Each agent has a profile with contact details, service area, and specializations. Visit woningsearch.nl/makelaars/ to view all agents in Westzaan. We partner with trusted, certified agents active in the region.
The average WOZ value in Westzaan is based on Kadaster valuations and is set annually by the municipality. The WOZ value determines property taxes (OZB), deemed rental value, and water board levies. On Woningsearch you can view the estimated market value per address, calculated using WOZ valuations from the Kadaster Waardeloket and CBS municipality data. Property prices in Westzaan vary significantly by neighborhood and property type. Use our search to compare specific addresses.
Westzaan is divided into 5 neighborhoods according to the CBS Wijken en Buurten classification. Each neighborhood has its own page on Woningsearch with statistics on demographics, property values, energy labels, safety, and amenities. The neighborhood classification is maintained by Statistics Netherlands and forms the basis for local policy. View the neighborhood pages to compare livability and housing characteristics before making a buying or renting decision.
Woningsearch uses only official government sources for Westzaan. Addresses come from the BAG (Basic Registry of Addresses and Buildings) via PDOK, managed by the Kadaster. Neighborhood statistics come from CBS. Energy labels are from RVO. WOZ values come from the Kadaster Waardeloket. Building heights and roof shapes come from 3D BAG (TU Delft). All data is automatically updated weekly. Woningsearch is completely free, independent, and available in 13 languages.