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Cooperative · 1945
230 East 18th Street
230 East 18th Street, New York, NY 10003
Buildings·Gramercy·Cooperative

230 East 18th Street

230 East 18th Street, New York, NY 10003

Gramercy Park

BBL 1008980039 · BIN 1019569

CorridorGramercy
At a glance
Year built
1945
Type
Cooperative
Units
16
Floors
4
Landmark
No
Pets
Restrictive. Per the house rules on file, no dog may be kept or harbored in the building unless expressly permitted in writing by the corporation in each instance. Cats are not addressed in the rules on file — confirm with the managing agent
The Data Room

Every recorded sale at this building, 2003–2024

Price-per-square-foot over time, the line- and floor-premium curves, and every recorded sale.

Median $/sf
$1,000
Listing discount
2.5%
Recorded sales
25
On record
2003–2024

This is a 16-apartment cooperative living inside three mid-nineteenth-century row houses, and almost everything that makes it unusual follows from that fact. LPC's building database records 228, 230 and 232 East 18th Street as three Greek Revival houses of about 1850, developed by Lewis Rutherford, each with a remodeled façade. They were at some point joined behind those façades into a single multiple dwelling. City records date the building to 1945, which is the date of that combination, not of construction — a distinction that matters, because a buyer reading the year-built field will underwrite a post-war building and walk into a pre-Civil-War one.

The consequences are architectural and structural at once. Twenty-one thousand square feet across four floors and sixteen apartments produces an average apartment size well above what a Gramercy walk-up conversion usually offers, and the row-house geometry gives the building things a purpose-built apartment house cannot: apartments that run through the depth of a house, duplexes stacked across floors, first-floor homes carried down into the basement level with their own garden relationship. Department of Buildings alteration filings for this address describe exactly that inventory — a duplex spanning the third and fourth floors, a first-floor apartment continuing into the basement, and separate basement apartments.

The landmark position is the other structural fact, and it is the one most often stated incorrectly. The lot is a contributing property in the Stuyvesant Square Historic District, designated in September 1975, with the designation notice recorded against the lot in April 1976. It is not in the Gramercy Park Historic District, which sits on a different set of blocks — the two districts are close neighbors in this part of the East Teens and are routinely confused. The practical effect is the same either way: exterior work, windows, ironwork and any street-facing alteration require an LPC permit in addition to a DOB permit, which lengthens capital projects and constrains what a shareholder can change at the façade line.

What the building does not carry is complexity in its capital structure. The cooperative refinanced in May 2026 into a modest first mortgage with a small line of credit alongside it. Spread across sixteen apartments that is very light building-level debt, and it is the single most useful number a buyer can hold in mind when comparing monthly maintenance here against larger, more heavily leveraged Gramercy co-ops.

Architecture and unit composition

The three houses occupy a 75-foot frontage on an 80-foot-deep lot, with the building itself running 54 feet deep — leaving rear yard behind. Four stories, no setback, a continuous street wall of the kind that defines the blocks around Stuyvesant Square. The façades were remodeled at some point before designation, and LPC's records flag that remodeling on all three houses as well as the added basement entrances at Nos. 228 and 232, so what a buyer sees is a nineteenth-century structure wearing a later face.

Inside, the apartments follow row-house logic rather than apartment-house logic. Ceiling heights, window proportions, fireplaces and floor plates vary meaningfully house to house and floor to floor, and the duplex and garden-level homes are genuinely different products from the single-floor apartments. There is no line system to reason from. Every apartment in a building of this kind has to be evaluated on its own plan, its own light and its own condition, and comparables drawn from within the building will be thin by definition.

Recent renovation filings for this address include a roof replacement in 2020 and a façade rehabilitation programme carried out in the mid-to-late 2000s with sidewalk sheds and pipe scaffold in 2007 and 2008 — the ordinary Local Law 11 rhythm for a masonry building of this age, and worth tracing forward through the current cycle during diligence.

Building operations

This is a self-contained small house rather than a full-service building. The house rules on file describe a central laundry with designated hours, a trash room and refuse flue, and a superintendent who directs disposal. There is no documented doorman or concierge, and the rules are the rules of a building where shareholders and staff know one another: no group tours or auctions in an apartment without consent, no obstruction of halls or stairs, quiet hours running from eleven at night to nine in the morning, and floor-covering over at least three quarters of any floor above a neighbour.

Governance is correspondingly close. The board interviews every subtenant, approves every sublease and every renewal, and reserves the right to amend the house rules by resolution. Buyers used to the anonymity of a 200-unit co-op should read that as a feature or a constraint depending on temperament, but should not mistake it for informality.

Policy framework

Ownership form: Cooperative. A purchaser buys shares in 230 East 18th Street Corporation and takes a proprietary lease, whose term now runs to 30 September 2050 following a 1993 extension approved by shareholder consent.

Board package and interview: Required. In a sixteen-apartment corporation the board is small, its members are neighbours, and the review is personal. Expect a full financial disclosure, references, and an in-person interview. Build the timeline into the contract.

Financing ceiling and post-closing liquidity: Not published anywhere on the public record and not stated in any document on file. Small pre-war co-ops in this district commonly cap financing well below condominium norms and set a post-closing liquidity standard expressed in months or years of maintenance. Both figures, along with any debt-to-income standard, must come from the managing agent before an offer is priced. Run the Co-op Board Qualification Calculator against whatever standard the agent confirms.

Subletting: Permitted with board approval on a one-year lease renewable for one further year, with a board interview of the subtenant and both a processing fee and a monthly surcharge, per the rules on file. This is a residence-first policy, not an investor policy.

Pied-à-terre and non-resident ownership: The occupancy rule on file requires the owner or an approved subtenant to reside in the unit, with an exemption for immediate family as defined in the proprietary lease. Treat pied-à-terre purchase as unavailable unless the managing agent confirms otherwise in writing.

Trusts, LLCs, co-purchase, guarantors and gifts: Not addressed in any document on file. Small boards treat each of these case by case, and a trust or LLC purchase in a building of this size should be raised with the managing agent before a contract is signed, not after.

Pets: Dogs only by express written permission of the corporation, in each instance. Do not assume a dog will be permitted.

Flip tax: 1 percent of the purchase price, joint and several between seller and buyer, per the 1990 lease amendment on file. Sellers should assume they will negotiate over who bears it.

Real estate taxes: No J-51 and no other building-wide abatement. Maintenance is the whole monthly number; there is no step-up or burn-off schedule to model.

Local Law 97

Compliance status
Not subject to Local Law 97

This building is below the 25,000 sq ft threshold at which LL97 emissions caps apply. No regulatory capital pressure from this law specifically, current or 2030.

See full Local Law 97 analysis →

Recent sales

The building trades as a small-house Gramercy cooperative — family-sized apartments in a landmarked row-house group, priced against the pre-war co-op stock of the East Teens and Twenties rather than against new-construction condominiums two blocks north. On a per-room basis it sits in the middle band for the district: below the Gramercy Park–facing keyed-park buildings, above the Third Avenue walk-up stock, and closest in character to the converted houses and small pre-war co-ops on East 17th, 18th and 19th Streets.

Turnover is what a sixteen-apartment building produces — a small number of recorded share transfers in any given year, with long holds and a meaningful share of estate and family transfers among them. That thinness is the defining pricing problem here. There is rarely a recent in-building comparable of the same type, and duplex, garden-level and single-floor apartments are not interchangeable. Pricing has to be built from the specific plan outward. Unit-level transaction history is maintained in The Roebling Research Library and shared with clients during diligence.

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.

DateUnitApartmentPricePPSFvs. Ask
Aug 5, 20241C
2 BR · 2 BA
$1,805,000-2.4%
Mar 31, 20231E
2 BR · 2 BA · 1,700 sf
$1,700,000$1,000/sf-8.1%
Mar 29, 20231F
2 BR · 2 BA
$1,275,000-13.6%
Feb 8, 20231A
2 BR · 2 BA
$1,955,000-2.0%
Sep 15, 2021B
1 BR · 1 BA
$1,300,000+0.0%
Jul 26, 20161B
3 BR · 1,676 sf
$2,340,000$1,396/sf+0.6%
Dec 5, 20141A
2 BR · 1,500 sf
$1,675,000$1,117/sf-6.7%
Mar 19, 2013B
1 BR
$1,125,000-13.1%

Market read. $/sf is measured on the latest sales with reliable square footage (2023): a median $1,000/sf across 1 sale. The building has traded as recently as 2024. Median listing discount 2.5% from the last ask — a recurring negotiation gap worth pricing into any offer or listing strategy.

The retrade record

Lines that have traded more than once in the public record — the building’s appreciation arc, apartment by apartment.

1B · 1,676 sf+42%
$1,650,000 2012$2,340,000 ($1,396/sf) 2016
1C+34%
$1,350,000 ($912/sf) 2005$1,300,000 ($878/sf) 2012$1,805,000 2024
B+31%
$989,850 2008$1,125,000 2013$1,300,000 2021
1A+17%
$1,675,000 ($1,117/sf) 2014$1,955,000 2023
5C · 1,500 sf+10%
$1,700,000 ($1,133/sf) 2007$1,865,000 ($1,243/sf) 2012
View all 25 recorded transfers, sortable

Full closing history with price-per-square-foot over time, the complete retrade record, and every line that has traded.

Sales sourced from NYC Department of Finance recorded transfers (BBL 1-00898-0039) 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.

What to know if you’re buying

Do not underwrite the year-built field. City records say 1945; LPC's own survey says c. 1850. This is a row-house conversion. Systems, party walls, floor framing, plumbing risers and sound transmission all behave like a nineteenth-century house, and an inspection scoped for a post-war building will miss things.

The landmark designation is real and it is Stuyvesant Square, not Gramercy Park. Anything visible from the street — windows, ironwork, entrance, façade repair — needs an LPC permit. Price alteration ambitions accordingly, and ask what the current Local Law 11 cycle looks like.

Get the financing and liquidity standards in writing before you offer. Nothing about this board's underwriting is published. In a building this small the standard can be materially tighter than the district norm, and finding that out after a contract is signed is expensive.

Understand the residence requirement. The occupancy rule on file is unusually direct: the owner or an approved subtenant must live in the apartment. If the purchase is a pied-à-terre, a parent-for-child purchase, or an eventual rental, resolve it with the managing agent first.

Verify the fee stack. The 1 percent flip tax is documented. The sublet processing fee, the monthly sublet surcharge and the move-in deposit are documented as of 2009 and may have moved since. Confirm all of them, and run the True Monthly Carrying Cost Calculator on the specific apartment.

What to know if you’re selling

Lead with the house, not the year built. The building's advantage is that it is three Greek Revival houses in a designated district with apartments that no purpose-built co-op on the block can offer. Automated valuation output built on a 1945 post-war record will undervalue that, and correcting it is part of the marketing.

Document the capital position. The May 2026 refinancing left the corporation with modest first-mortgage debt and a small credit line — a strong story for a buyer's attorney. Have the current financial statements and the refinancing terms ready.

Qualify buyers against the board's actual standard, not the market's. A small board with an interview requirement and undisclosed underwriting will reject a buyer who looks fine on paper elsewhere. Screening early protects the deal timeline.

Be direct about the sublet and occupancy rules. Investor-minded buyers are not the pool for this building. Marketing it to them wastes a contract cycle.

Comparable buildings

If you're considering 230 East 18th Street, also evaluate:

The neighborhood

For the full corridor — architecture, schools, transit, and pricing across Gramercy — read The Roebling Team Guide to Gramercy.

Preparing a board package for this building?

The full playbook — what goes in the package, how boards read your financials, the interview, and the timeline — plus sample cover, reference, and personal letters you can adapt.

How to read the facts on this page. Items attributed to an offering plan describe the building as it was offered at that filing — unit mix, square footage, the amenity program as planned. They are not a statement about how the building operates today. Tax and compliance figures are sourced separately to current City records and carry their own dates. House rules, staffing and fee policy can change by board resolution without any public filing: treat every policy line here as a starting point for diligence and confirm it with the managing agent.

Considering a move at 230 East 18th Street?

Request a private building brief with the relevant comparable sales, current and off-market availability, and an apartment-specific view of value.

Prefer to speak directly? Schedule a consultation →
Corey Cohen, Principal · The Roebling Team at Compass
646.939.7375 · c.cohen@compass.com
Considering a sale?

Own an apartment here? See what it would sell for.

A Private Pricing Opinion — what your apartment at 230 East 18th Street would likely sell for today, what it costs to sell, and what you’d walk away with — reviewed personally against condition, exposures, renovation quality, and the competition actually on the market.