# 21161 Boulder Flats, San Antonio, TX 78266 > **TL;DR:** 4bd/3ba single family, $396,000 ($217/sqft), built 2025, 1,822 sqft. > A/C, 2-car garage. Est. $3,078/mo. ## Property at a Glance | Attribute | Value | |-----------|-------| | Price | $396,000 | | Price/sqft | $217 | | Bedrooms | 4 | | Bathrooms | 2 full, 1 half | | Square Feet | 1,822 | | Year Built | 2025 | | Lot Size | 5,227 sqft (0.12 acres) | | Garage | 2-car | | Property Type | Single Family (Other) | | Status | Active | | Days on Market | 0 | ## Estimated Monthly Costs | Category | Amount | |----------|--------| | Principal & Interest (20% down, 30-year at 6.5%) | $2,002 | | Estimated Insurance | $116 | | HOA | $960 | | **Total** | **$3,078** | ## Nearby Schools - **Elementary:** Bulverde - **Middle:** Tex Hill - **High:** Johnson ## Key Amenities - A/C - 2-car garage ## Property Highlights - Built in 2025 - 0.12 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. Smart design and spacious living come together in The Harris floor plan located at Brookstone Creek in San Antonio, TX - an elegant 1823 square foot, single-story home offering four bedrooms, two and a half baths and thoughtfully curated spaces for your lifestyle. An extended entryway leads you into a bright and open layout, where the kitchen, dining area and living room flow seamlessly together - perfect for family gatherings and entertaining. The kitchen is a modern showpiece with stainless steel appliances, a gas cooking range, quartz countertops, stylish flat panel cabinetry and a farmhouse-style sink. A spacious island anchors the space while a classic white subway tile backsplash ties everything together with timeless appeal. Privately located at the rear of the home, the primary bedroom suite is a true retreat, featuring a walk-in shower, dual vanity sinks and a generously sized walk-in closet. The secondary bedrooms offer comfort and flexibility. Each includes carpet flooring, large windows and ample closet space - ideal for bedrooms or other flex spaces. The convenient half bathroom adds a practical touch for visitors without sacrificing privacy in the full bathrooms. This home includes our HOME IS CONNECTED base package. Using one central hub that talks to all the devices in your home, you can control the lights, thermostat and locks, all from your cellular device. Additional highlights include hard surface flooring throughout the main living areas and wet zones, a covered patio for relaxing outdoors, full yard landscaping with irrigation and a pre-plumbed water softener loop to support your future upgrades. ## Location - **Address:** 21161 Boulder Flats, San Antonio, TX 78266 - **County:** Bexar - **Coordinates:** 29.637724, -98.384932 - **Google Maps:** https://www.google.com/maps?q=29.637724,-98.384932 ## Listing Agent - **Name:** Christopher Marti - **Brokerage:** KELLER WILLIS SAN ANTONIO INC - **Phone:** (210) 696-9996 - **Broker Phone:** (210) 696-9996 - **Listing URL:** [View original listing](https://www.realtor.com/realestateandhomes-detail/21161-Boulder-Flts_San-Antonio_TX_78266_M91905-90006?f=listhub&s=SABORTX&m=1950661&c=propsimple) ## Photos ![21161 Boulder Flats - Photo 1](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f1727793536r.jpg) ![21161 Boulder Flats - Photo 2](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f2670910956r.jpg) ![21161 Boulder Flats - Photo 3](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f2429274244r.jpg) ![21161 Boulder Flats - Photo 4](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f4174729731r.jpg) ![21161 Boulder Flats - Photo 5](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f2988783976r.jpg) ![21161 Boulder Flats - Photo 6](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f2909280607r.jpg) ![21161 Boulder Flats - Photo 7](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f1800444414r.jpg) ![21161 Boulder Flats - Photo 8](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f1971121619r.jpg) ![21161 Boulder Flats - Photo 9](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f877949417r.jpg) ![21161 Boulder Flats - Photo 10](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f408586445r.jpg) ![21161 Boulder Flats - Photo 11](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f2150887744r.jpg) ![21161 Boulder Flats - Photo 12](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f118244158r.jpg) ![21161 Boulder Flats - Photo 13](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f885366542r.jpg) ![21161 Boulder Flats - Photo 14](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f617952611r.jpg) ![21161 Boulder Flats - Photo 15](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f1495872426r.jpg) ![21161 Boulder Flats - Photo 16](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f2236767797r.jpg) ![21161 Boulder Flats - Photo 17](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f1909848020r.jpg) ![21161 Boulder Flats - Photo 18](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f719606700r.jpg) ![21161 Boulder Flats - Photo 19](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f836165588r.jpg) ![21161 Boulder Flats - Photo 20](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f943041081r.jpg) ![21161 Boulder Flats - Photo 21](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f1443940447r.jpg) ![21161 Boulder Flats - Photo 22](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f2370405738r.jpg) ![21161 Boulder Flats - Photo 23](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f621178732r.jpg) ![21161 Boulder Flats - Photo 24](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f4273889538r.jpg) ![21161 Boulder Flats - Photo 25](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f3845234643r.jpg) ![21161 Boulder Flats - Photo 26](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f2380819832r.jpg) ![21161 Boulder Flats - Photo 27](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f592942974r.jpg) ![21161 Boulder Flats - Photo 28](http://lh.rdcpix.com/eb71793f977f8ad96d2cae6a0ca6b8f1l-f324382076r.jpg) --- **MLS#:** 1950661 | **Updated:** 2026-09-22 **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/21161-boulder-flats-san-antonio-tx-78266-1950661) --- ## Structured Data ```json { "@context": "https://schema.org", "@type": "RealEstateListing", "@id": "https://www.propertysimple.ai/listing/21161-boulder-flats-san-antonio-tx-78266-1950661#listing", "url": "https://www.propertysimple.ai/listing/21161-boulder-flats-san-antonio-tx-78266-1950661", "name": "21161 Boulder Flats, San Antonio, TX 78266", "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. Smart design and spacious living come together in The Harris floor plan located at Brookstone Creek in San Antonio, TX - an elegant 1823 square foot, single-story home offering four bedrooms, two and a half baths and thoughtfully curated spaces for your lifestyle. An extended entryway leads you into a bright and open layout, where the kitchen, dining area and living room flow seamlessly together - perfect for family gatherings and entertaining. The kitchen is a modern showpiece with stainless steel appliances, a gas cooking range, quartz countertops, stylish flat panel cabinetry and a farmhouse-style sink. A spacious island anchors the space while a classic white subway tile backsplash ties everything together with timeless appeal. Privately located at the rear of the home, the primary bedroom suite is a true retreat, featuring a walk-in shower, dual vanity sinks and a generously sized walk-in closet. The secondary bedrooms offer comfort and flexibility. Each includes carpet flooring, large windows and ample closet space - ideal for bedrooms or other flex spaces. The convenient half bathroom adds a practical touch for visitors without sacrificing privacy in the full bathrooms. This home includes our HOME IS CONNECTED base package. Using one central hub that talks to all the devices in your home, you can control the lights, thermostat and locks, all from your cellular device. 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