451 West Broadway

Six stories of brick with stone and cast-iron elements, on a 5,195-square-foot lot with 48.75 feet of frontage and 113.5 feet of depth. The building runs about 100 feet back, which leaves a rear yard and gives the north and south halves genuine cross-exposure — the practical reason full-floor and half-floor lofts here have light on more than one face.

The base is commercial: 1,000 square feet of retail, held by the cooperative rather than a third-party owner according to listing records. DOB filings track its life directly — an accessory retractable storefront awning permitted in 2010, a tenant build-out with structural, mechanical and plumbing work in 2015, ceiling and floor replacement with lighting alterations in 2013, and a further moderate interior renovation of the ground-floor commercial space filed in 2019.

Above, the residences are designated by floor and orientation, north and south. Recorded share transfers over two decades cover 2N, 2S, 3S, 4N, 4S, 5N and 6N — consistent with two homes per floor across the upper five levels. DOB filings from 2004 and 2008 describe twelve dwelling units where later filings and PLUTO describe ten, which is the ordinary fingerprint of combinations having reduced the count. A buyer should trace the specific apartment's configuration through the transfer record and the board minutes rather than assuming a floor plan from the unit letter.

Sprinklers have been modified and extended repeatedly since 2006 — relocations in 2006, replacement heads in 2010, a subsequent sprinkler filing in 2019. That is what a legalized loft building does over time, and it is worth confirming that any apartment you buy has current, signed-off sprinkler coverage.

A small, self-contained loft cooperative: elevator, basement storage, no doorman and no staff on site. The absence of staff is the reason monthly charges in a building like this sit well below full-service SoHo comparables, and it is also the reason a buyer should ask how repairs, deliveries and packages are actually handled day to day.

The commercial unit is the other variable. In a ten-residence corporation, one retail tenancy is a large share of the operating budget, and SoHo retail rents have been volatile through two full cycles. Ask who holds the lease, what it runs, what the vacancy history has been, and how much of the maintenance line it currently offsets.

On capital posture: ACRIS shows the corporation's underlying debt last touched in August 2010, when 2004 mortgages were consolidated into positions of $865,000 and $200,000. Nothing has been recorded since. That is a modest leverage position for a building of this size, but the recording record is not a balance sheet — confirm the current principal, rate and maturity from the audited financial statements.

Original use and dates: factory and workshop, 1883–84 (No. 451); commercial warehouse, 1906–07 (No. 453); sixth story added to No. 451 in 1906. All per the LPC building database.

The alteration that created residential use: pre-dates the digitized DOB record, which for this lot begins in 2001. The surviving documentary evidence is the tax file — a J-51 exemption and 90 percent abatement initiated in 1978 on a certified alteration cost of $172,500. PLUTO records a further alteration in 1988.

Zoning and JLWQA: the lot is now M1-5/R7X in the Special SoHo-NoHo Mixed Use District, where residential use is as-of-right. Before December 2021 it sat in an M1-5 district where SoHo residential occupancy was permitted only as Joint Live-Work Quarters for Artists. Current city data does not preserve the pre-2021 sub-district letter for this lot, and no JLWQA notation appears in the published DOB filings.

BSA variance: none for this lot appears in public records. Residential use here was created under the loft-legalization framework of the 1970s, not by variance.

Loft Law / IMD: no Interim Multiple Dwelling registration or Article 7-C proceeding for this lot is identifiable in published city records.

J-51: initiated 1978; 12-year exemption; 90 percent abatement; certified alteration cost $172,500. Benefits ran from the 1978 through the 1989 assessment year and are fully burned off. There is no residual benefit and no abatement cliff ahead of a buyer.

Nothing about this building's policy stack is published, and no offering plan for it was located in The Roebling Research Library or the Compass Offering Plan Library at the time of writing. In a ten-shareholder cooperative the rules are frequently informal and rarely written down beyond the proprietary lease and house rules. What follows is the list to obtain from the managing agent in writing before you make an offer.

Ownership form: cooperative. You buy shares and a proprietary lease, not real property. Transfer requires a full board package — tax returns, bank statements, employment verification, personal and business references — and an interview. A ten-shareholder board can decline without giving a reason.

Obtain in writing: the financing ceiling and minimum down payment; the post-closing liquidity standard, usually expressed as months or years of maintenance held after closing; the sublet policy, including any ownership seasoning requirement, duration cap and sublet fee; whether pied-à-terre purchase is entertained at all; whether trusts or limited liability companies may take title, and on what guarantees; the flip tax or transfer fee, its measure and which side pays it; the written pet policy; and the alteration rules.

Alteration rules matter more here than in an apartment house. In a legalized loft, house rules have to reach floor loading, sprinkler tie-ins, mezzanines, and window and storefront replacement inside a landmark district. Ask for them, and read them with your architect.

Two building-specific questions. First, the commercial unit — ownership, lease term and budget contribution. Second, the certificate of occupancy: what it says about the residential use of the specific apartment, whether any legacy artist-certification language survives on it, and whether it reflects the building as configured today.

Recent sales

Recent transfers at this building, curated by The Roebling Team research desk. Prices are the transfer amounts recorded with the NYC Department of Finance; apartment-level detail is checked against the building’s own file in The Roebling Research Library before publishing.

Market read. Most recent trades (2025) cleared a median $1,238/sf across 1 sale. Median listing discount 3.2% from the last ask — a recurring negotiation gap worth pricing into any offer or listing strategy.

Sales sourced from NYC Department of Finance recorded transfers (BBL 1-00515-0001) and verified listing data. Apartment-level facts (line, condition, asking-price context) curated and cross-verified by The Roebling Team research desk. Not all transactions cross-verify with ACRIS records — sponsor and LLC purchases sometimes record at stipulated values rather than market price; square footage on co-ops is not officially recorded, figures shown are approximate.

Read the certificate of occupancy before you go to contract. This is a legalized loft in a district rezoned in 2021. Residential use is now as-of-right, but the C of O governs the apartment, and the DOB record for this lot only reaches back to 2001.

Establish which building your apartment is in. The tax lot carries two structures of different dates and different construction. Floor levels, ceiling heights, column spacing and window openings differ across the seam, and so does the renovation cost.

Underwrite the retail. One commercial tenancy in a ten-residence corporation is a meaningful share of the budget. Get the lease.

Confirm the policy stack with the managing agent. Financing ceiling, post-closing liquidity, sublet rules, flip tax, pied-à-terre and entity ownership are all unpublished here. Run the Co-op Board Qualification Calculator only once you have the real numbers.

Landmark constraints run to the storefront. The lot is in the original SoHo–Cast Iron Historic District. Windows, storefront work, the cornice and anything visible from West Broadway require a Landmarks permit before a DOB permit.

Loft renovation is not apartment renovation. Floor loading, sprinkler coverage, mezzanines and landmark window replacement all change the cost and the schedule. Run the Renovation Cost Calculator against a scope your architect has reviewed.

Lead with the documented history, not the adjective. A factory of 1883–84 by James Dubois for Cyprine Gousset, a warehouse of 1906–07 by Jardine, Kent & Jardine, a sixth story added in 1906, all inside the original SoHo–Cast Iron Historic District. That record is specific, it comes from LPC, and it survives scrutiny in a market where a great deal of loft marketing does not.

State the carrying cost plainly. No staff, no abatement to expire, retail income at the base and modest recorded underlying debt. Buyers compare monthlies before they compare finishes.

Explain the 2021 rezoning without overselling it. As-of-right residential use is genuine and useful context for a buyer who has heard about artist certification. It is not a substitute for the certificate of occupancy, and presenting it as one creates a problem in diligence.

Price the apartment, not the building. Full floors, half floors and combinations here are different products, and a building-average per-foot figure will mislead in both directions.

If you're considering 451 West Broadway, also evaluate:

• 459 West Broadway — the ten-residence loft co-op two lots north on the same block; the closest like-for-like, in a different and later building
• 465 West Broadway — the third loft cooperative on this blockfront
• 426 West Broadway — SoHo loft building on the opposite side of the avenue
• 420 West Broadway — a block south, and a useful test of how West Broadway prices block by block
• 388 West Broadway — the southern end of the avenue at a different scale
• 351 West Broadway — West Broadway loft building closer to Tribeca
• 102 Wooster Street — cast-iron district loft cooperative one block west; comparable scale and policy profile
• 139 Wooster Street — Wooster Street loft building on this same tax block
• 160 Wooster Street — SoHo loft co-op with full-floor residences
• 107 Greene Street — cast-iron Greene Street loft; the classic SoHo alternative
• 195 Prince Street — the nearest cross-street alternative at smaller scale