ZIP Code 78218 — San Antonio, TX Home Prices (2026)
The typical home in ZIP 78218 (San Antonio, Texas) is worth about $195,000 at roughly $149 per square foot — 16% more affordable than the San Antonio median and 34% more affordable than the typical U.S. home.
How 78218 compares
ZIP 78218 is a mid-priced ZIP code for San Antonio: its typical home value of $195,000 ranks #37 of the 57 San Antonio ZIP codes we track (the citywide range runs from $108,000 in 78207 to $934,000 in 78257). Per square foot it costs about $149, against $157 for San Antonio as a whole, $173 for Texas, and $195 nationally.
| Area | Typical value | $ / sq ft |
|---|---|---|
| ZIP 78218 | $195,000 | $149 |
| San Antonio, TX | $232,000 | $157 |
| Texas | $264,000 | $173 |
| United States | $294,000 | $195 |
Home value by size in 78218
Using this ZIP’s rate of about $149 per square foot. Condition, lot, and the exact street move these meaningfully — use the estimator below for a home-specific figure.
| Home size | Estimated value |
|---|---|
| 1,000 sq ft | $149,000 |
| 1,500 sq ft | $223,500 |
| 2,000 sq ft | $298,000 |
| 2,500 sq ft | $372,500 |
| 3,000 sq ft | $447,000 |
Salary needed to buy a home in ZIP 78218
To buy the typical $195,000 home in ZIP 78218 with 20% down, you need a household income of roughly $53,000 a year (about $1,240 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $63,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $9,800 | $1,540/mo | $66,000/yr |
| 10% (+PMI) | $19,500 | $1,470/mo | $63,000/yr |
| 20% | $39,000 | $1,240/mo | $53,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in ZIP 78218
At about $149 per square foot, here is roughly how much home different budgets get you in ZIP 78218:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $150k | 1010 sq ft | below the local median — condos, smaller or older homes |
| $200k | 1340 sq ft | around the typical home here |
| $250k | 1680 sq ft | around the typical home here |
| $300k | 2010 sq ft | above the median — larger homes or the pricier ZIPs |
| $400k | 2680 sq ft | above the median — larger homes or the pricier ZIPs |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens pre-filled with a typical 78218 home.
Estimate a specific home in 78218
The estimator below is pre-set to ZIP 78218 — pick your home’s size for an instant ballpark, then open the full calculator to adjust beds, baths, and condition.
All San Antonio ZIP codes by home value
Where 78218 sits among San Antonio’s 57 ZIP codes:
| # | ZIP code | Typical value | $ / sq ft |
|---|---|---|---|
| 1 | 78257 | $934,000 | $311 |
| 2 | 78205 | $614,000 | $513 |
| 3 | 78256 | $596,000 | $245 |
| 4 | 78266 | $579,000 | $219 |
| 5 | 78255 | $550,000 | $229 |
| 6 | 78260 | $523,000 | $203 |
| 7 | 78258 | $509,000 | $189 |
| 8 | 78248 | $507,000 | $205 |
| 9 | 78209 | $475,000 | $250 |
| 10 | 78261 | $439,000 | $190 |
| 11 | 78215 | $419,000 | $301 |
| 12 | 78235 | $408,000 | $215 |
| 13 | 78259 | $406,000 | $170 |
| 14 | 78232 | $386,000 | $185 |
| 15 | 78230 | $360,000 | $189 |
| 16 | 78263 | $350,000 | $149 |
| 17 | 78253 | $325,000 | $157 |
| 18 | 78254 | $309,000 | $157 |
| 19 | 78249 | $305,000 | $173 |
| 20 | 78216 | $287,000 | $171 |
| 21 | 78212 | $284,000 | $258 |
| 22 | 78247 | $280,000 | $157 |
| 23 | 78240 | $268,000 | $172 |
| 24 | 78251 | $263,000 | $145 |
| 25 | 78245 | $258,000 | $148 |
| 26 | 78252 | $248,000 | $151 |
| 27 | 78073 | $243,000 | $147 |
| 28 | 78250 | $242,000 | $161 |
| 29 | 78233 | $232,000 | $156 |
| 30 | 78217 | $224,000 | $154 |
| 31 | 78238 | $224,000 | $165 |
| 32 | 78264 | $222,000 | $145 |
| 33 | 78239 | $214,000 | $135 |
| 34 | 78244 | $214,000 | $136 |
| 35 | 78222 | $210,000 | $141 |
| 36 | 78224 | $203,000 | $142 |
| 37 | 78218 (this page) | $195,000 | $149 |
| 38 | 78229 | $188,000 | $144 |
| 39 | 78223 | $184,000 | $141 |
| 40 | 78221 | $179,000 | $146 |
| 41 | 78208 | $178,000 | $209 |
| 42 | 78228 | $172,000 | $144 |
| 43 | 78201 | $171,000 | $178 |
| 44 | 78204 | $170,000 | $229 |
| 45 | 78219 | $170,000 | $151 |
| 46 | 78210 | $164,000 | $181 |
| 47 | 78227 | $164,000 | $151 |
| 48 | 78203 | $163,000 | $208 |
| 49 | 78202 | $157,000 | $189 |
| 50 | 78242 | $155,000 | $148 |
| 51 | 78220 | $153,000 | $147 |
| 52 | 78214 | $139,000 | $140 |
| 53 | 78226 | $138,000 | $124 |
| 54 | 78211 | $130,000 | $135 |
| 55 | 78225 | $127,000 | $142 |
| 56 | 78237 | $127,000 | $141 |
| 57 | 78207 | $108,000 | $130 |
ZIP 78218 home prices: frequently asked
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See the full San Antonio home values page, all Texas cities, or price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research), not appraisals. A single ZIP contains very different homes; actual values vary and change over time.