diff --git a/lib/routes/costar/namespace.ts b/lib/routes/costar/namespace.ts
new file mode 100644
index 000000000..94b556af5
--- /dev/null
+++ b/lib/routes/costar/namespace.ts
@@ -0,0 +1,9 @@
+import type { Namespace } from '@/types';
+
+export const namespace: Namespace = {
+    name: 'CoStar',
+    url: 'costar.com',
+    categories: ['new-media'],
+    description: '',
+    lang: 'en',
+};
diff --git a/lib/routes/costar/press-releases.ts b/lib/routes/costar/press-releases.ts
new file mode 100644
index 000000000..b0572fc5e
--- /dev/null
+++ b/lib/routes/costar/press-releases.ts
@@ -0,0 +1,141 @@
+import type { Cheerio, CheerioAPI } from 'cheerio';
+import { load } from 'cheerio';
+import type { Element } from 'domhandler';
+import type { Context } from 'hono';
+
+import type { Data, DataItem, Route } from '@/types';
+import { ViewType } from '@/types';
+import cache from '@/utils/cache';
+import ofetch from '@/utils/ofetch';
+import { parseDate } from '@/utils/parse-date';
+
+export const handler = async (ctx: Context): Promise<Data> => {
+    const { filter } = ctx.req.param();
+    const limit: number = Number.parseInt(ctx.req.query('limit') ?? '10', 10);
+
+    const baseUrl: string = 'https://www.costar.com';
+    const targetUrl: string = new URL(`products/benchmark/resources/press-releases${filter ? `?${filter}` : ''}`, baseUrl).href;
+
+    const response = await ofetch(targetUrl);
+    const $: CheerioAPI = load(response);
+    const language = $('html').attr('lang') ?? 'en';
+
+    let items: DataItem[] = [];
+
+    items = $('div.views-row article')
+        .slice(0, limit)
+        .toArray()
+        .map((el): Element => {
+            const $el: Cheerio<Element> = $(el);
+            const $aEl: Cheerio<Element> = $el.find('a.coh-link').first();
+
+            const title: string = $aEl.text();
+            const description: string | undefined = $el.find('div.coh-container').eq(3).html() ?? undefined;
+            const pubDateStr: string | undefined = $el.find('div.coh-container').eq(4).text();
+            const linkUrl: string | undefined = $aEl.attr('href');
+            const categoryEls: Element[] = $el.find('div.coh-style-tags a').toArray();
+            const categories: string[] = [...new Set(categoryEls.map((el) => $(el).text()).filter(Boolean))];
+            const upDatedStr: string | undefined = pubDateStr;
+
+            const processedItem: DataItem = {
+                title,
+                description,
+                pubDate: pubDateStr ? parseDate(pubDateStr) : undefined,
+                link: linkUrl,
+                category: categories,
+                content: {
+                    html: description,
+                    text: description,
+                },
+                updated: upDatedStr ? parseDate(upDatedStr) : undefined,
+                language,
+            };
+
+            return processedItem;
+        });
+
+    items = await Promise.all(
+        items.map((item) => {
+            if (!item.link) {
+                return item;
+            }
+
+            return cache.tryGet(item.link, async (): Promise<DataItem> => {
+                const detailResponse = await ofetch(item.link);
+                const $$: CheerioAPI = load(detailResponse);
+
+                const title: string = $$('h1.coh-heading').text();
+                const description: string | undefined = $$('div.coh-body').html() ?? item.description;
+                const pubDateStr: string | undefined = detailResponse.match(/"datePublished": "(.*?)",/)?.[1];
+                const upDatedStr: string | undefined = detailResponse.match(/"dateModified": "(.*?)",/)?.[1];
+
+                const processedItem: DataItem = {
+                    title,
+                    description,
+                    pubDate: pubDateStr ? parseDate(pubDateStr) : item.pubDate,
+                    content: {
+                        html: description,
+                        text: description,
+                    },
+                    updated: upDatedStr ? parseDate(upDatedStr) : item.updated,
+                    language,
+                };
+
+                return {
+                    ...item,
+                    ...processedItem,
+                };
+            });
+        })
+    );
+
+    return {
+        title: $('title').text(),
+        description: $('meta[property="og:title"]').attr('content'),
+        link: targetUrl,
+        item: items,
+        allowEmpty: true,
+        author: $('meta[property="og:site_name"]').attr('content'),
+        language,
+        id: targetUrl,
+    };
+};
+
+export const route: Route = {
+    path: '/press-releases/:filter{.+}?',
+    name: 'Press Releases',
+    url: 'www.costar.com',
+    maintainers: ['nczitzk'],
+    handler,
+    example: '/costar/press-releases',
+    parameters: {
+        filter: {
+            description: 'Filter',
+        },
+    },
+    description: `:::tip
+To subscribe to [Press Releases - Asia Pacific - Preliminary](https://www.costar.com/products/benchmark/resources/press-releases?region=406&tag=581), where the source URL is \`https://www.costar.com/products/benchmark/resources/press-releases?region=406&tag=581\`, extract the certain parts from this URL to be used as parameters, resulting in the route as [\`/costar/press-releases/region=406&tag=581\`](https://rsshub.app/costar/press-releases/region=406&tag=581).
+:::
+`,
+    categories: ['new-media'],
+    features: {
+        requireConfig: false,
+        requirePuppeteer: false,
+        antiCrawler: false,
+        supportRadar: true,
+        supportBT: false,
+        supportPodcast: false,
+        supportScihub: false,
+    },
+    radar: [
+        {
+            source: ['www.costar.com'],
+            target: (_, url) => {
+                const filter: string = new URL(url).search?.replace(/\?/, '');
+
+                return `/costar/press-releases${filter ? `/${filter}` : ''}`;
+            },
+        },
+    ],
+    view: ViewType.Articles,
+};