# 21137 Boulder Flats, San Antonio, TX 78266

> **TL;DR:** 4bd/2ba single family, $384,500 ($216/sqft), built 2025, 1,778 sqft.
> A/C. Est. $2,626/mo.

## Property at a Glance

| Attribute | Value |
|-----------|-------|
| Price | $384,500 |
| Price/sqft | $216 |
| Bedrooms | 4 |
| Bathrooms | 2 full |
| Square Feet | 1,778 |
| Year Built | 2025 |
| Lot Size | 6,098 sqft (0.14 acres) |
| Property Type | Single Family (Other) |
| Status | For Sale |
| Days on Market | 0 |

## Estimated Monthly Costs

| Category | Amount |
|----------|--------|
| Mortgage (20% down, 6.5%) | $1,666 |
| HOA | $960 |
| **Total** | **$2,626** |

## Nearby Schools

- **Elementary:** Bulverde
- **Middle:** Tex Hill
- **High:** Johnson

## Key Amenities

- A/C

## Property Highlights

- Built in 2025
- 0.14 acre lot

## Description

### Agent Description
5% lender incentive offered with the use of the seller's in-house lender, Incentive may be used towards buyer closing costs and/or rate buy-down, subject to lender approval and buyer qualification. **Tour this home anytime - no appointment or agent needed. Simply verify your ID at the door and explore on your own schedule, 7 days a week. The Gaven floorplan - This thoughtfully designed single-story home offers a well-balanced open-concept layout ideal for modern living. Featuring 4 bedrooms and 2 bathrooms, the home provides flexible space for families, guests, or a home office. The kitchen flows seamlessly into the dining and family room, creating a bright and inviting central space perfect for everyday living and entertaining. The kitchen includes quartz countertops, a center island, stainless steel appliances, gas range, and ample cabinetry. The private primary suite is located at the rear of the home and features an en-suite bath with walk-in shower, dual vanities, and a spacious walk-in closet. Secondary bedrooms are well-positioned for added privacy. Additional highlights include smart home technology, energy-efficient construction, a covered patio, full landscaping with irrigation, and convenient access to major highways, shopping, dining, and local amenities.

## Location

- **Address:** 21137 Boulder Flats, San Antonio, TX 78266
- **County:** Bexar
- **Coordinates:** 29.637071, -98.385338
- **Google Maps:** https://www.google.com/maps?q=29.637071,-98.385338

## Virtual Tour & Media

- **Video Tour:** https://www.zillow.com/view-imx/5802b88b-05bb-4e34-9ecb-855e0b64fbba?wl=true&setAttribution=mls&initialViewType=pano

## Listing Agent

- **Name:** Christopher Marti
- **Brokerage:** Marti Realty Group
- **Phone:** (830) 660-1004
- **Email:** chris@rebatehaus.com

## Primary Photo

![21137 Boulder Flats - Primary Photo](http://lh.rdcpix.com/94e99d06a44d923d7825347c5b76408el-f2799402482r.jpg)

*26 total photos available on [listing page](https://www.propertysimple.com/listing/21137-boulder-flats-san-antonio-tx-78266-1961978)*

---

**MLS#:** 1961978 | **Updated:** 2026-06-17
**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.com/listing/21137-boulder-flats-san-antonio-tx-78266-1961978)

---

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