This week, our readers had eclectic tastes, scouting affordable housing in Murray Hill, a dreamy uptown penthouse, and exploring an informative (if potentially scary) map of the city's toxic sites. Here were the most popular posts on Brick Underground this week:

1. Brand-new Murray Hill rentals renting for as low as $833/month—if you're qualified

2. What the latest crackdown on LLC buyers means for NYC real estate

3. Map: Find out if you live near a toxic site in North Brooklyn

4. This South Harlem penthouse comes with a 600-square foot perch over two parks

5. A row of 12 houses near Audubon Park has a fascinating history—but do they have a future?