thumb|Parcel divide of the Phelps Estate as of 1917 Timothy Phelps, a wealthy politician, made an early attempt to further develop the San Carlos area. He paid for significant improvements such as sewer lines and street grading, and began to promote lot sales in what he immodestly called "The Town of Phelps".
thumb|Parcel divide of the Phelps Estate as of 1917 Timothy Phelps, a wealthy politician, made an early attempt to further develop the San Carlos area. He paid for significant improvements such as sewer lines and street grading and began to promote lot sales in what he immodestly called "The Town of Phelps".