Watch Los Angeles get built, one building at a time (1880–2026)
summary
This interactive visualization maps every surviving building in Los Angeles by its construction date and height. It provides a spatial history of the city's development, showing how the urban landscape evolved over time. By focusing only on current structures, it highlights the architectural legacy that remains today. This approach allows users to see the city's growth patterns and density changes through a data-driven lens.
key points
- The map uses data from the LA County Assessor to represent each building as a box based on its footprint and height.
- The visualization emphasizes survival over total history, omitting buildings that were demolished to show the surviving city.
- Interactive controls allow users to navigate the city by panning, tilting, and filtering by construction decade.
who should read it
Urban planners, historians, and residents of Los Angeles who want to visualize the city's physical growth and architectural evolution.
discussion skeptical
consensus
Commenters largely agree that Los Angeles suffers from an artificial housing shortage driven by restrictive zoning and Proposition 13. They argue that downzoning since the 1980s and property tax freezes have created a 'hereditary landed gentry,' discouraging mobility and unfairly burdening new residents. The general sentiment is that these policies prioritize existing homeowners over newcomers, leading to unaffordability and inefficient urban sprawl.
top insight
The discussion on Proposition 13 reveals that it creates a 'lock-in' effect where homeowners refuse to move or downsize because they would lose their low tax base, effectively treating property ownership like European feudalism. This distortion is viewed as more damaging than the tax amount itself, as it kills housing market liquidity and forces new buyers to subsidize long-term residents. Replacing this with a system where tax increases are deferred until sale is proposed as a viable alternative.
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