# 110 E San Antonio St., San Marcos, TX 78666

> **TL;DR:** commercial, $1,100,000 ($314/sqft), built 1870, 3,504 sqft.
> A/C. Est. $4,767/mo. Listed 576 days.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $1,100,000 |
| Price/sqft | $314 |
| Square Feet | 3,504 |
| Year Built | 1870 |
| Lot Size | 3,833 sqft (0.09 acres) |
| Stories | 2 |
| Property Type | Commercial (Other) |
| Status | For Sale |
| Days on Market | 576 |

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Mortgage (20% down, 6.5%) | $4,767 |
| **Total** | **$4,767** |

## Key Amenities

- A/C

## Property Highlights

- Built in 1870
- 0.09 acre lot
- 2 stories

## Description

### Agent Description
Downtown historic building on San Marcos courthouse square. Property includes two offices with a full kitchen, reception area, upstairs apartment and large garage on back alley. Listed on the National Register of Historic Places the building boast high foot traffic with a variety of neighboring businesses including restaurants, bars and retail.

## Location

- **Address:** 110 E San Antonio St., San Marcos, TX 78666
- **County:** Hays

## Listing Agent

- **Name:** Keith Giles
- **Brokerage:** Gregson Realty Advisors
- **Phone:** 5127570280
- **Email:** giles.keith@gmail.com

## Primary Photo

![110 E San Antonio St. - Primary Photo](http://lh.rdcpix.com/41e29f968ad31228dc6b01eba912cb42l-f1895861404r.jpg)

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**MLS#:** 561581 | **Updated:** 2026-06-18
**Source:** listhub

*Copyright © 2026 Central Texas Multiple Listing Service. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.*

[View on PropertySimple](https://www.propertysimple.com/listing/110-e-san-antonio-st-san-marcos-tx-78666-r561581)

---

## Structured Data

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  "@type": "RealEstateListing",
  "name": "110 E San Antonio St., San Marcos, TX 78666",
  "description": "Downtown historic building on San Marcos courthouse square. Property includes two offices with a full kitchen, reception area, upstairs apartment and large garage on back alley. Listed on the National Register of Historic Places the building boast high foot traffic with a variety of neighboring businesses including restaurants, bars and retail.",
  "url": "https://www.propertysimple.com/listing/110-e-san-antonio-st-san-marcos-tx-78666-r561581",
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  "datePosted": "2026-06-18",
  "price": 1100000,
  "priceCurrency": "USD",
  "address": {
    "@type": "PostalAddress",
    "streetAddress": "110 E San Antonio St.",
    "addressLocality": "San Marcos",
    "addressRegion": "TX",
    "postalCode": "78666",
    "addressCountry": "US"
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  "floorSize": {
    "@type": "QuantitativeValue",
    "value": 3504,
    "unitCode": "FTK"
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  "yearBuilt": 1870
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```