Southglen

Southglen is the 78015 exception: unlike Balcones Creek, Front Gate, Napa Oaks, Fallbrook and Sablechase, it is in Kendall County and inside Boerne city limits. Kendall CAD shows 432 parcels on about 117 acres, median lot 0.153 acres, median value near $432,000. City utilities, a community pool, and Boerne ISD.

Southglen sits on the south side of Boerne near Cascade Caverns Road, and its streets are relentlessly Scottish — Abbeydell, Aberdeen, Ayshire, Bellgrove, Braeburn, Breamoor, Clarendon, Edinburgh, Esslemont, Kilmarnock, Wickersham. It is a substantial, established subdivision that has recently seen new construction added to older phases, which makes it two neighborhoods in one.

The county question — and why Southglen is the exception

Most homes with a Boerne, TX 78015 mailing address are in Bexar County. Balcones Creek, Front Gate, Napa Oaks, Fallbrook, Sablechase, Anaqua Springs Ranch and Lost Creek are all Bexar County properties with Boerne mail.

Southglen is not. It is in Kendall County, and it is inside the City of Boerne city limits.

Kendall County Appraisal District parcel records show the County of Kendall and the City of Boerne as taxing units on all 432 Southglen parcels (Kendall CAD GIS parcel layer, retrieved September 2026). Independently, the association's amended management certificate recorded in March 2026 cites every foundational document — the original declaration, multiple declarations of annexation, deeds without warranty, and even the swimming pool policies manual — as recorded in the Official Public Records of Kendall County, Texas.

Two independent sources, same answer. If you see Southglen described as a Bexar County neighborhood, that is wrong, and the difference shows up on the tax bill.

The numbers

Kendall CAD parcel records show 432 parcels across roughly 117 acres, with 391 already improved (retrieved September 2026). Roughly 90% built out.

Lots: 10th percentile about 0.122 acres, median 0.153 acres, 90th percentile about 0.279 acres. Small suburban lots.

Current Kendall CAD market values on improved parcels: median near $432,000, 10th percentile around $362,000, 90th around $523,000. That is one of the more affordable established neighborhoods inside Boerne city limits. Appraisal-district values, not asking prices.

Housing stock

Two distinct vintages. The original phases date back to an earlier era of the subdivision — the declaration carries an older-style Kendall County document number consistent with a 1990s filing — while a current phase is being built new by Ashton Woods, with plans running roughly 1,637 to 3,104 square feet in three to five bedroom configurations.

That split matters. A resale in an original phase and a new Ashton Woods home in the current phase are different products at different price points inside the same HOA. Know which one you are touring.

Jurisdiction and utilities

Inside the City of Boerne, per Kendall CAD. That means City of Boerne water and sewer service and city trash, with Bandera Electric Cooperative serving power in this area. City police. A city tax line on the bill.

For a neighborhood on eighth-to-sixth-acre lots, city utilities are the right answer, and it is a meaningful advantage over comparably priced inventory further out.

HOA

The HOA is mandatory. The association is Southglen Residential Community, Inc., a Texas nonprofit corporation. Note that the association's registered mailing address is in San Antonio 78258 — that is the management company's office, not the neighborhood's location. Do not read the management address as evidence of where the subdivision is; that mistake is exactly how Southglen gets mislabeled as a Bexar County community.

The recurring dues amount is not disclosed on the management certificate. A single resale listing cited $113 per quarter covering pool access, but that is one data point, not a confirmed fee schedule. Confirm the current assessment with the association before your option period ends.

Amenities

Southglen has a community pool — the association's own filed certificate references a recorded Swimming Pool Policies and Procedures Manual, which is about as solid a confirmation as you get. Ashton Woods also markets a cabana, playscape, and hiking trails with the current phase.

Verify which amenities are available to which phases. In subdivisions that add new sections under a shared association, amenity access is occasionally phased too.

We found no source confirming the neighborhood is gated.

Schools

Boerne ISD. A point inside the neighborhood returns Kendall Elementary, Boerne Middle School South, and Champion High School through Boerne ISD's own InfoFinder lookup (queried September 2026).

Confirm your specific address. Boerne ISD opened Viola Wilson Elementary in August 2024 and redrew elementary boundaries then — and Southglen sits in the part of the district where that redraw was most active. Nearby Balcones Creek and Kendall Creek Estates both now feed Viola Wilson. A Southglen listing that names an elementary school without a date on the claim should not be trusted.

Location and commute

South Boerne off Old Fredericksburg Road and Cascade Caverns Road, east of I-10. The interstate access is good, which makes the San Antonio commute among the more manageable ones from a Boerne address. Downtown Boerne and the Highway 46 retail corridor are short drives.

Who it suits

It suits a buyer who wants an established Boerne address inside the city limits, a community pool, city utilities, and a price point below most of the newer Kendall County inventory. It suits commuters. It suits people who want to choose between a resale and a brand-new build without leaving the neighborhood.

It does not suit a buyer who wants land, trees, or privacy. It does not suit someone who wants uniformity — the old and new phases do not look alike. And it does not suit anyone underwriting a payment on the assumption that a 78015 address means Bexar County tax rates.

Talk to someone who works this market

Heath Shepard is a licensed Texas REALTOR with Keller Williams, working Boerne, Fair Oaks Ranch, and Kendall County. If you want current Southglen listings, or a clear comparison between an original-phase resale and a new Ashton Woods build here, reach out through theheathshepardrealestateteam.com.

Call or text 830-446-3847 · Email heath.shepard@kw.com