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Skill Claude Desktop · Claude Code

# /nyc-landmarks

LPC landmark and historic district check for NYC buildings

[Install ↓](#install) [View on GitHub →](https://github.com/AlpacaLabsLLC/skills-for-architects/tree/main/skills/nyc-landmarks) [New to skills? →](/articles/claude-code-cheat-sheet) [All skills →](/skills)

[Due Diligence](/skills?tag=due-diligence) [NYC](/skills?tag=nyc) [Data Lookup](/skills?tag=data-lookup)

## What it does

Provide an address, BBL, or BIN and find out if the property is individually landmarked, in a historic district, or not designated. The skill queries PLUTO for address resolution and the LPC Building Database for designation details — including LP number, architect, style, and designation date. If the property is designated, it notes that exterior alterations require an LPC Certificate of Appropriateness before a DOB permit can be filed.

## Install

**Claude Desktop:**

1.  Open **Customize** → **Browse plugins**
2.  Click **+** → **Add marketplace from GitHub**
3.  Enter `AlpacaLabsLLC/skills-for-architects`
4.  Install **Architecture Studio**

**Claude Code (terminal):**

```
claude plugin marketplace add AlpacaLabsLLC/skills-for-architects
claude plugin install as@skills-for-architects
```

Or symlink just this skill:

```
git clone https://github.com/AlpacaLabsLLC/skills-for-architects.git
ln -s $(pwd)/skills-for-architects/skills/nyc-landmarks ~/.claude/skills/nyc-landmarks
```

## Data sources

Source

Dataset ID

What it provides

PLUTO

`64uk-42ks`

Address resolution, BBL/BIN, `histdist` field

LPC Building Database

`7mgd-s57w`

Landmark name, LP number, designation date, type, style, architect, historic district

## Key fields returned

-   **Status** — Landmarked / In Historic District / Not Designated
-   **LP Number** and designation date
-   **Building type** — Individual, Interior, or Historic District
-   **Style and Architect** from the LPC database
-   **Historic district name** (from LPC or PLUTO `histdist` field)
-   **Permit implications** — LPC Certificate of Appropriateness requirements

## Sample output

Generated from: `/as:nyc-landmarks 120 Broadway, Manhattan`

```
## Landmark Status — 120 Broadway, Manhattan

**Status: NOT DESIGNATED**

No individual landmark designation found for this property.
No historic district designation found.

| Field | Value |
|-------|-------|
| BBL | 1-00077-0001 |
| BIN | 1001389 |
| PLUTO histdist | (none) |
| Nearest Historic District | Fulton–Nassau Historic District (adjacent) |

**Note:** While not landmarked, 120 Broadway (the Equitable Building, 1915) is adjacent to the Fulton–Nassau Historic District. Environmental review (CEQR/SEQRA) may still trigger LPC consultation for projects affecting the setting of nearby landmarks.

Source: [LPC Building Database](https://data.cityofnewyork.us/Housing-Development/LPC-Individual-Landmark-and-Historic-District-Buil/7mgd-s57w)
```

## Related skills

[01

### /nyc-bsa

BSA variances and special permits for NYC properties

→](/skills/nyc-bsa) [02

### /nyc-acris

ACRIS property transaction records — deeds, mortgages, liens

→](/skills/nyc-acris) [03

### /nyc-dob-permits

DOB permit and filing history for NYC buildings

→](/skills/nyc-dob-permits)

[← All skills](/skills) [NYC DOB Permits →](/skills/nyc-dob-permits)