ZIP Code 78357 — San Diego, TX Home Prices (2026)
The typical home in ZIP 78357 (San Diego, Texas) is worth about $84,000 at roughly $58 per square foot — 17% more expensive than the San Diego median and 71% more affordable than the typical U.S. home.
How 78357 compares
ZIP 78357 is one of the pricier ZIP codes in San Diego: its typical home value of $84,000 ranks #1 of the 3 San Diego ZIP codes we track (the citywide range runs from $58,000 in 78341 to $84,000 in 78357). Per square foot it costs about $58, against $105 for San Diego as a whole, $173 for Texas, and $195 nationally.
| Area | Typical value | $ / sq ft |
|---|---|---|
| ZIP 78357 | $84,000 | $58 |
| San Diego, TX | $72,000 | $105 |
| Texas | $264,000 | $173 |
| United States | $294,000 | $195 |
Home value by size in 78357
Using this ZIP’s rate of about $58 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 | $58,000 |
| 1,500 sq ft | $87,000 |
| 2,000 sq ft | $116,000 |
| 2,500 sq ft | $145,000 |
| 3,000 sq ft | $174,000 |
Salary needed to buy a home in ZIP 78357
To buy the typical $84,000 home in ZIP 78357 with 20% down, you need a household income of roughly $23,000 a year (about $530 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $27,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $4,200 | $660/mo | $28,000/yr |
| 10% (+PMI) | $8,400 | $630/mo | $27,000/yr |
| 20% | $16,800 | $530/mo | $23,000/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 78357
At about $58 per square foot, here is roughly how much home different budgets get you in ZIP 78357:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $150k | 2590 sq ft | above the median — larger homes or the pricier ZIPs |
| $200k | 3450 sq ft | above the median — larger homes or the pricier ZIPs |
| $250k | 4310 sq ft | above the median — larger homes or the pricier ZIPs |
| $300k | 5170 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 78357 home.
Estimate a specific home in 78357
The estimator below is pre-set to ZIP 78357 — pick your home’s size for an instant ballpark, then open the full calculator to adjust beds, baths, and condition.
All San Diego ZIP codes by home value
Where 78357 sits among San Diego’s 3 ZIP codes:
ZIP 78357 home prices: frequently asked
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See the full San Diego 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.