Some of the objections from the article: Sean Kieghran, president of San Francisco's Residential Builders Association, said he supports getting rid of single-family only zoning but doesn't think it will result in many new units. Kieghran said that building fourplexes requires either two staircases or a staircase and an elevator, which takes up too much of the site. And, unless the city streamlined the process of buil…
Those are valid objections to fourplexes , but there are still plenty of things in between SFH and fourplexes -- including, most particularly, semi-detached duplexes, which are much easier and still double the density on the lot! I do agree that much of the hype about fourplexes is suspect (including the noise isolation of units that are one-atop-another), but there are many other possibilities, including ADUs. Also,…
They built a duplex by me and the combined units went for less than what a SFH would have gone for. Plus I imagine it was more expensive to build.
I think it only makes sense where the lot is big enough to fit 2 essentially full SFHs as a duplex.