# 4109 St Charles Bay, San Antonio, TX 78229 > **TL;DR:** 4bd/3ba townhouse, $234,900 ($150/sqft), built 2007, 1,568 sqft. Est. $1,560/mo. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $234,900 | | Price/sqft | $150 | | Bedrooms | 4 | | Bathrooms | 3 full | | Square Feet | 1,568 | | Year Built | 2007 | | Lot Size | 3,136 sqft (0.07 acres) | | Property Type | Townhouse (Townhouse) | | Status | Active | | Days on Market | 0 | ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $1,188 | | Estimated Insurance | $69 | | HOA | $303 | | **Total** | **$1,560** | ## Nearby Schools - **Elementary:** Mead - **Middle:** Rudder - **High:** Marshall ## Property Highlights - Built in 2007 - 0.07 acre lot ## Description ### Agent Description Discover comfort, convenience, and low-maintenance living in this beautifully maintained 4-bedroom townhome nestled within a gated community in San Antonio's highly desirable Medical Center area. Featuring an inviting interior with laminate wood and tile flooring, custom kitchen cabinetry, newer appliances, and generous storage throughout, this home offers the perfect combination of style and functionality. Step outside to a spacious private patio, ideal for outdoor entertaining, weekend gatherings, or simply unwinding after a long day. The location is a standout, offering convenient access to the South Texas Medical Center, UT Health San Antonio, University Hospital, Methodist Hospital, and USAA, along with nearby shopping, dining, and major highways, including IH-10 and Loop 410. Whether you're looking for a comfortable primary residence or a conveniently located investment property, this townhome offers an exceptional opportunity in the heart of the Medical Center! ## Location - **Address:** 4109 St Charles Bay, San Antonio, TX 78229 - **County:** Bexar - **Coordinates:** 29.524559, -98.564503 - **Google Maps:** https://www.google.com/maps?q=29.524559,-98.564503 ## Listing Agent - **Name:** Kenneth Valente - **Brokerage:** StepStone Realty LLC - **Broker Phone:** (512) 587-7989 - **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/4109-St-Charles-Bay_San-Antonio_TX_78229_M70690-01826?f=listhub&s=SABORTX&m=2023604&c=propsimple) ## Photos ![4109 St Charles Bay - Photo 1](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f1673032069r.jpg) ![4109 St Charles Bay - Photo 2](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f3183799929r.jpg) ![4109 St Charles Bay - Photo 3](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f2870784306r.jpg) ![4109 St Charles Bay - Photo 4](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f2670156153r.jpg) ![4109 St Charles Bay - Photo 5](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f3487663762r.jpg) ![4109 St Charles Bay - Photo 6](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f1945108760r.jpg) ![4109 St Charles Bay - Photo 7](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f1455961201r.jpg) ![4109 St Charles Bay - Photo 8](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f1495785880r.jpg) ![4109 St Charles Bay - Photo 9](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f1871701833r.jpg) ![4109 St Charles Bay - Photo 10](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f2753982776r.jpg) ![4109 St Charles Bay - Photo 11](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f3581010536r.jpg) ![4109 St Charles Bay - Photo 12](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f2485994714r.jpg) ![4109 St Charles Bay - Photo 13](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f3515279383r.jpg) ![4109 St Charles Bay - Photo 14](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f412105351r.jpg) ![4109 St Charles Bay - Photo 15](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f60285120r.jpg) ![4109 St Charles Bay - Photo 16](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f3619290278r.jpg) ![4109 St Charles Bay - Photo 17](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f4277027972r.jpg) ![4109 St Charles Bay - Photo 18](http://lh.rdcpix.com/04fe429f5ab3e6df3b88f93a3c61d6cbl-f1654626613r.jpg) --- **MLS#:** 2023604 | **Updated:** 2026-10-25 **Source:** listhub *Copyright © 2026 LERA MLS. 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.ai/listing/4109-st-charles-bay-san-antonio-tx-78229-1f4735f0c8df48a0b7737487b002976e) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://www.propertysimple.ai/listing/4109-st-charles-bay-san-antonio-tx-78229-1f4735f0c8df48a0b7737487b002976e#listing", "url": "https://www.propertysimple.ai/listing/4109-st-charles-bay-san-antonio-tx-78229-1f4735f0c8df48a0b7737487b002976e", "name": "4109 St Charles Bay, San Antonio, TX 78229", "description": "Discover comfort, convenience, and low-maintenance living in this beautifully maintained 4-bedroom townhome nestled within a gated community in San Antonio's highly desirable Medical Center area. 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