Cost Per Sqft

{
  "as_of": "2026-10-04",
  "cadence": "weekly",
  "dataset": "cost-per-sqft",
  "disclaimer": "Every value carries as_of, age_days, cadence and stale (weekly measures go stale after 14 days, monthly measures after …",
  "groups": [
    {
      "county": "Hidalgo",
      "median_square_feet": 5024,
      "median_usd_per_sqft": 101.1,
      "n": 936,
      "p25_usd_per_sqft": 47.68,
      "p75_usd_per_sqft": 207.82,
      "registered_from": "2024-10-04",
      "registered_to": "2026-10-02",
      "source": "public state construction filing",
      "type_of_work": "all types"
    }
  ],
  "method": "Estimated cost divided by square footage, as each owner filed them with the state. Projects without both values, or und…",
  "projects_used": 936,
  "publisher": "Frontera Signal",
  "query": {
    "county": "Hidalgo"
  },
  "source": "public state construction filing",
  "window": {
    "months": 24,
    "registered_since": "2024-10-04"
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://fronterasignal.com/api/v1/cost-per-sqft?county=Hidalgo'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://fronterasignal.com/api/v1/cost-per-sqft?county=Hidalgo' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.03 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.03" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.03 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ffronterasignal.com%2Fapi%2Fv1%2Fcost-per-sqft
const res = await pay("https://fronterasignal.com/api/v1/cost-per-sqft?county=Hidalgo");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.03 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.03"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://fronterasignal.com/api/v1/cost-per-sqft?county=Hidalgo")
    print(res.status_code, res.text)