Where can I learn more about the forces underlying the topography of cities? I find the connection you described between house width and taxation to be fascinating.
Have a look at the history of Edinburgh - things like geology (volcanoes, glaciation, crag and tails), city walls, wars, planned development etc. have all had a huge impact on this glorious city. :-)
Skyscrapers in New York of different decades have a architecture based on the city building code (famous example Empire State Building).
The Death And Life of Great American Cities might overlap with and be a good starting point for what you're looking for.