# Castellan Property Tax Intro with Stephen Fong

> A quick intro: what we do, how we work, and a few questions about your property. Bring the property address.

- Host: Stephen Fong
- Duration: 15 min
- Location: Google Meet
- Host time zone: America/Los_Angeles
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/stephen-fong-ckkw3y/castellan-property-tax-intro
- Event type id: 6232333

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=6232333&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone=<IANA time zone>
cal-api-version: 2024-09-04
```

The response is `{"data":{"YYYY-MM-DD":[{"start":"<ISO 8601 with offset>"}]}}`; no API key is needed.

## Book

```http
POST https://api.cal.com/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 6232333,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "attendeePhoneNumber": "…",
    "We-are-currently-only-able-to-support-property-portfolios-of---2M--Does-your-combined-portfolio-of-properties-exceed-this-amount-or-do-you-potentially-represent-a-portfolio-that-large--ex--HOA": "…",
    "Property-Address-es": "…",
    "notes": "…",
    "Roughly-how-many-properties-do-you-own": "…",
    "How-did-you-hear-about-us": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `attendeePhoneNumber` (Phone number), `We-are-currently-only-able-to-support-property-portfolios-of---2M--Does-your-combined-portfolio-of-properties-exceed-this-amount-or-do-you-potentially-represent-a-portfolio-that-large--ex--HOA` (We are currently only able to support property portfolios of >$2M. Does your combined portfolio of properties exceed this amount or do you potentially represent a portfolio that large (ex: HOA)?), `Property-Address-es` (Property address(es) — street number, street name, city and state required. One per line if you have several.)
- Optional fields: `notes` (Additional notes), `guests` (Add guests), `Roughly-how-many-properties-do-you-own` (Roughly how many properties do you own?), `How-did-you-hear-about-us` (How did you hear about us?)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.