Mataas sa ibabaw ng City Hall Park, ang Residence 20B ay isang corner unit na may tatlong kuwarto at tatlo’t kalahating banyo sa 150 Nassau Street, ang American Tract Society Building. Nakumpleto noong 1895, isa ito sa mga pinakaunang skyscraper sa New York. Umaabot sa halos 2,300 square feet ang tirahan, sa ilalim ng 10-talampakang kisame. Bumubukas sa hilaga at kanluran ang malalaking bintana, na nagbibigay-tanaw sa Municipal Building, Woolworth Building, at skyline ng Manhattan, hanggang sa East at Hudson Rivers.

Ang sala at dining area ay may sukat na mahigit 21 por 22 talampakan at sumusunod sa sulok ng gusali sa isang tuloy-tuloy na hanay ng mga bintana. Nakatayo sa gitna nito ang isang orihinal na riveted steel column. Isang fireplace na may payat na steel mantel ang nagsisilbing sentro ng dulong pader. Nakahanay sa paligid, sa ilalim ng mga bintana, ang mabababang built-in cabinet na nagbibigay ng imbakan at espasyo para sa display nang hindi hinaharangan ang liwanag. Nagpapatuloy sa buong kuwarto ang mga sahig na oak at gallery track lighting.

Direktang bumubukas ang kusina papunta sa living area. Nakaharap ang isang mahabang isla na may marble countertop at upuan para sa tatlo sa mga cabinet na gawa sa maitim na kahoy, Sub-Zero refrigerator, professional gas range, at stainless steel backsplash, na may bukas na glass shelving sa isang dulo. Ang ayos nito ay angkop kapwa sa seryosong pagluluto at sa mga gabing may mga bisita.

Nasa sarili nitong wing ang pangunahing kuwarto at umaabot sa mahigit 26 talampakan. Mayroon itong louvered shutters, maraming closet, at direktang tanawin ng tore ng Municipal Building. Ang en-suite na banyo ay may marble at puting subway tile, double vanity, shower na napapalibutan ng salamin, at hiwalay na bathtub.

May sariling karakter ang bawat secondary bedroom. Ang una ay papasukan sa pamamagitan ng isang napakalaking sliding wood door, na may built-in cabinet sa ilalim ng mga bintanang nakatanaw patungong Midtown. Ang ikalawa naman ay may bintanang nakapaloob sa mga built-in shelving na umaabot mula sahig hanggang kisame. Dalawang karagdagang full bath ang nagsisilbi sa mga kuwartong ito. Ang powder room ay may black glass mosaic, floating marble sink, at wall-mounted faucet. Kumpleto sa tahanan ang washer at dryer sa loob ng unit at maluluwang na closet.

Ang 150 Nassau Street ay isang full-service condominium na may full-time doorman, live-in superintendent, gym, at common roof deck. Ang garahe sa lugar ay pinamamahalaan ng isang third-party provider. Nasa isang tahimik na sulok ang gusali, sa tapat ng City Hall. Malapit ang TriBeCa at South Street Seaport, at madaling mapupuntahan ang lahat ng pangunahing linya ng transportasyon.

High above City Hall Park, Residence 20B is a corner three-bedroom, three-and-a-half-bath home at 150 Nassau Street, the American Tract Society Building. Completed in 1895, it is one of the earliest skyscrapers in New York. The residence spans nearly 2,300 square feet beneath 10-foot ceilings. Oversized windows open to the north and west, taking in the Municipal Building, the Woolworth Building, and the Manhattan skyline, with views reaching to both the East and Hudson Rivers.

The living and dining room measures more than 21 by 22 feet and turns the corner of the building in a continuous run of windows. An original riveted steel column stands at its center. A fireplace with a slim steel mantel anchors the far wall. Low built-in cabinetry lines the perimeter beneath the windows, providing storage and display without interrupting the light. Oak floors and gallery track lighting carry through the room.

The kitchen opens directly onto the living space. A long marble-topped island with seating for three faces dark wood cabinetry, a Sub-Zero refrigerator, a professional gas range, and a stainless steel backsplash, with open glass shelving at one end. The layout suits both a serious cook and an evening with guests.

The primary bedroom sits in its own wing and runs more than 26 feet. It has louvered shutters, multiple closets, and a direct view of the Municipal Building's tower. The en-suite bath is finished in marble and white subway tile, with a double vanity, a glass-enclosed shower, and a separate tub.

Each secondary bedroom has its own character. The first is entered through an oversized sliding wood door, with built-in cabinetry below windows that look toward Midtown. The second sets its window within floor-to-ceiling built-in shelving. Two additional full baths serve these rooms. The powder room is clad in black glass mosaic, with a floating marble sink and a wall-mounted faucet. An in-unit washer and dryer and generous closet space complete the home.

150 Nassau Street is a full-service condominium with a full-time doorman, a live-in superintendent, a gym, and a common roof deck. An on-site garage is managed by a third-party provider. The building occupies a quiet corner across from City Hall. TriBeCa and the South Street Seaport are close by, and all major transit lines are within easy reach.