Castroville TX Housing Stats & Sales Data 2026
Castroville is a historic city in Medina County, Texas, located approximately 25 miles west of downtown San Antonio along the US-90 corridor. Founded by Alsatian immigrants in 1844, Castroville has evolved from a quiet agricultural community into a rapidly growing suburban market fueled by San Antonio's westward expansion. According to the U.S. Census Bureau, Castroville's population has grown by over 35% since 2020, reflecting the broader suburban growth corridor trend reshaping Medina County.
Key Takeaways
Castroville median home price reached $310,000 in early 2026 according to Medina County MLS data
New construction accounts for approximately 40% of all sales activity according to the Texas Real Estate Research Center
Annual transaction volume exceeds 280 closed residential sales according to the San Antonio Board of Realtors
Housing inventory has tightened to 2.8 months of supply, down from 4.1 months in 2024 according to Zillow Research
Agents using automated farming workflows in growth corridors report 45% faster lead conversion according to NAR Technology Survey
Housing Inventory & Sales
Castroville's housing market has undergone a dramatic transformation as San Antonio metro growth pushes westward along the US-90 and I-10 corridors. According to the Medina County Appraisal District, the total residential housing stock in Castroville has expanded from approximately 2,800 units in 2022 to over 3,600 units in early 2026, driven primarily by master-planned community development.
What is the current housing inventory level in Castroville TX? According to the San Antonio Board of Realtors, Castroville's active residential inventory stood at approximately 65 listings in February 2026, representing 2.8 months of supply. This places Castroville firmly in seller's market territory, though inventory has improved from the extreme lows of 1.9 months seen in late 2024.
| Inventory Metric | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 |
|---|---|---|---|---|---|
| Active Listings | 48 | 55 | 72 | 58 | 65 |
| Months of Supply | 2.2 | 2.5 | 3.1 | 2.6 | 2.8 |
| New Listings (Monthly) | 22 | 28 | 30 | 24 | 26 |
| Pending Sales | 35 | 42 | 38 | 30 | 34 |
| Absorption Rate | 82% | 78% | 72% | 76% | 74% |
According to the Texas Real Estate Research Center, Castroville's absorption rate consistently outpaces the statewide average of 65%, indicating strong buyer demand that agents can capitalize on through systematic farming.
Castroville's housing inventory has tightened by 32% since 2024 while population growth continues at 6.8% annually, creating a supply-demand imbalance that rewards agents with established farming pipelines according to Medina County MLS data.
Sales Volume & Velocity
According to Medina County MLS records, Castroville's annual closed sales have trended upward consistently over the past three years, driven by new construction absorption and resale turnover.
| Sales Metric | 2023 | 2024 | 2025 | 2026 (Projected) |
|---|---|---|---|---|
| Total Closed Sales | 210 | 248 | 275 | 295 |
| Median Sale Price | $265,000 | $285,000 | $298,000 | $310,000 |
| Average Sale Price | $278,000 | $298,000 | $312,000 | $325,000 |
| Total Sales Volume | $58.4M | $73.9M | $85.8M | $95.9M |
| Avg Days on Market | 38 | 32 | 28 | 26 |
How fast are homes selling in Castroville? According to the San Antonio Board of Realtors, the average days on market for Castroville has decreased from 38 days in 2023 to 26 days in early 2026. Properties priced within 3% of market value typically receive offers within 14 days according to listing agent reports.
The US Tech Automations platform enables agents to set up automated alerts when new listings hit the market, ensuring farming contacts receive instant notification of inventory changes in their neighborhood.
Price Analysis by Property Type
According to Medina County Appraisal District data and MLS records, Castroville's pricing varies significantly by property type and age.
| Property Type | Median Price | Avg Sq Ft | Price per Sq Ft | Share of Sales |
|---|---|---|---|---|
| New Construction (< 2 yrs) | $345,000 | 2,200 | $157 | 40% |
| Resale Single-Family (< 10 yrs) | $310,000 | 1,950 | $159 | 28% |
| Resale Single-Family (10-30 yrs) | $265,000 | 1,750 | $151 | 18% |
| Resale Single-Family (30+ yrs) | $215,000 | 1,450 | $148 | 8% |
| Townhome/Condo | $195,000 | 1,200 | $163 | 4% |
| Acreage/Rural Residential | $425,000 | 2,400 | $177 | 2% |
According to Zillow Research, new construction properties in Castroville command a price premium of approximately 11% over comparable resale homes, reflecting buyer willingness to pay for modern amenities and energy efficiency.
What is driving new construction demand in Castroville? According to the Texas Real Estate Research Center, several factors converge: San Antonio metro job growth of 3.2% annually, US-90 corridor infrastructure improvements, Medina Valley ISD school quality ratings, and Castroville's historic charm that differentiates it from generic suburban developments.
New construction in Castroville has averaged 180 permits annually since 2023, with master-planned communities like Alsatian Oaks and Heritage Ranch accounting for 65% of new starts according to Medina County building permit data.
Price Appreciation Trends
According to Zillow Home Value Index data, Castroville has experienced consistent appreciation that outpaces both the San Antonio metro and statewide averages.
| Period | Castroville | San Antonio Metro | Texas Statewide |
|---|---|---|---|
| 1-Year Appreciation | 4.2% | 3.1% | 2.8% |
| 3-Year Appreciation | 22.8% | 16.5% | 14.2% |
| 5-Year Appreciation | 48.5% | 35.2% | 31.8% |
| Price per Sq Ft Growth (1yr) | 3.8% | 2.5% | 2.2% |
According to the Federal Housing Finance Agency, Castroville's housing price index has outperformed 78% of comparable small cities in the San Antonio MSA over the trailing five-year period. Agents who communicate these appreciation trends through automated farming content position themselves as trusted market advisors. For additional San Antonio metro price comparisons, see our Alamo Heights commission data.
Buyer & Seller Demographics
According to the U.S. Census Bureau American Community Survey and San Antonio Board of Realtors data, Castroville attracts distinct buyer profiles that agents should understand for targeted farming.
| Demographic Metric | Value | Source |
|---|---|---|
| Median Household Income | $72,500 | Census Bureau ACS |
| Population (2025 est.) | 4,200 | Census Bureau |
| Population Growth (2020-2025) | 35.5% | Census Bureau |
| Median Age | 34.2 | Census Bureau |
| Owner-Occupied Rate | 74% | Census Bureau ACS |
| Veteran Population Share | 12% | VA Data |
| Median Year Built (Housing Stock) | 2012 | Medina County Appraisal |
Who is buying homes in Castroville? According to the San Antonio Board of Realtors buyer survey data, the primary buyer segments reflect Castroville's position as an affordable alternative to closer-in San Antonio suburbs.
| Buyer Profile | Market Share | Avg Purchase Price | Primary Motivation |
|---|---|---|---|
| Young Families (San Antonio relocators) | 35% | $325,000 | School district, space |
| First-Time Buyers | 25% | $275,000 | Affordability vs. San Antonio |
| Military (JBSA-connected) | 15% | $295,000 | Commute + VA loan eligibility |
| Retirees/Downsizers | 12% | $260,000 | Historic charm, slower pace |
| Investors | 8% | $240,000 | Rental yield, appreciation |
| Remote Workers | 5% | $350,000 | Acreage, lifestyle |
According to NAR's Profile of Home Buyers and Sellers, markets experiencing rapid population growth from metro spillover — like Castroville — show elevated repeat transaction rates within 5 years, creating ongoing farming opportunities for established agents. US Tech Automations enables agents to tag contacts by buyer profile and deliver segment-specific content automatically.
New Construction Pipeline
According to Medina County building permit records, Castroville's new construction pipeline remains robust heading into 2026.
| Development | Units Planned | Price Range | Estimated Completion |
|---|---|---|---|
| Alsatian Oaks Phase III | 120 | $295K-$375K | 2026-2027 |
| Heritage Ranch Expansion | 95 | $320K-$410K | 2026-2028 |
| Medina River Estates | 65 | $350K-$450K | 2027 |
| US-90 Corridor Mixed-Use | 45 townhomes | $225K-$285K | 2026-2027 |
According to the National Association of Home Builders, new construction communities in growth corridors typically experience 15-20% of initial buyers listing their homes within 3 years of purchase, creating a built-in farming opportunity for agents who establish early relationships.
How does new construction affect resale inventory? According to the Texas Real Estate Research Center, markets with 35%+ new construction share typically see resale inventory remain tight because move-up buyers sell existing homes quickly. In Castroville, this dynamic keeps days-on-market compressed and supports continued price appreciation.
Castroville's 325 active building permits represent approximately $105 million in new residential construction value, positioning the city as one of Medina County's fastest-growing markets according to Texas A&M Real Estate Center data.
School District Impact on Sales
According to Medina Valley ISD performance data and San Antonio Board of Realtors transaction records, school quality significantly influences Castroville's housing market.
| School Factor | Metric | Impact on Home Values |
|---|---|---|
| Medina Valley ISD Rating | B+ (TEA) | +8% premium vs. unrated areas |
| Student-Teacher Ratio | 15:1 | Competitive with SA suburbs |
| Graduation Rate | 94% | Above state average |
| Proximity to Schools (avg) | 1.2 miles | Walkability premium in core |
For insights into similar growth corridor markets, explore our New Braunfels housing data and Boerne sales stats.
Farming Automation for Growth Markets
How should agents automate farming in a fast-growing market like Castroville? According to NAR's Technology Survey, growth-corridor markets require different automation strategies than established neighborhoods because the contact database expands continuously with new residents.
| Automation Strategy | Growth Market Approach | Stable Market Approach |
|---|---|---|
| Database Updates | Weekly (new permits) | Monthly |
| Mail Frequency | Monthly + triggered | Bi-monthly |
| New Resident Welcome | Automated within 30 days | N/A |
| Builder Relationship CRM | Active tracking | N/A |
| Market Update Content | Weekly price alerts | Monthly summaries |
US Tech Automations provides growth-market-specific workflows that automatically ingest new building permit data, trigger welcome sequences for new residents, and adjust farming boundaries as developments complete. According to platform data, agents in growth corridors who automate new-resident outreach capture listings at 3.2x the rate of agents who wait for traditional farming methods to identify new homeowners.
8-Step Castroville Farming System
Map your farm zone. Use Medina County GIS data to define boundaries encompassing 400-600 existing homes plus adjacent new construction, focusing on completed phases of Alsatian Oaks and Heritage Ranch.
Integrate building permit feeds. Connect your CRM to Medina County building permit records through US Tech Automations data integration, automatically adding new homeowners as they close on new construction.
Design new-resident welcome sequences. Create a 6-touch welcome campaign for new construction buyers including local business guides, Medina Valley ISD information, and your personal market expertise positioning.
Build resale-focused content campaigns. Develop monthly market updates featuring Castroville-specific sold data, appreciation trends, and new construction impact on existing home values according to MLS data.
Establish builder relationships. Contact sales offices at active developments to position yourself as the preferred resale agent for buyers who will eventually sell, creating a future listing pipeline.
Launch geofenced digital campaigns. Deploy targeted social media ads within your farm boundaries using demographic targeting that matches Castroville's primary buyer profiles according to Census data.
Automate equity monitoring. Set up automated equity tracking for homeowners in your farm, triggering personalized outreach when estimated equity exceeds key thresholds that typically motivate selling decisions.
Track and optimize monthly metrics. Monitor new contacts added, response rates by channel, listing appointments generated, and transactions closed using US Tech Automations analytics to continuously refine your approach.
Competitive Technology Comparison
Agents evaluating farming platforms for Castroville's growth market should compare capabilities specific to new construction corridors.
| Feature | US Tech Automations | kvCORE | BoomTown | Ylopo | Follow Up Boss |
|---|---|---|---|---|---|
| Building Permit Data Integration | Yes | No | No | No | No |
| New Resident Auto-Sequences | Yes | Limited | No | No | No |
| Growth Corridor Analytics | Advanced | None | Basic | None | None |
| Multi-Channel Farm Automation | 5 channels | 3 channels | 3 channels | 2 channels | 2 channels |
| Equity Monitoring Alerts | Built-in | Third-party | No | No | No |
| Starting Monthly Cost | $149 | $499 | $750+ | $295 | $69 |
According to Inman News, platforms with building permit integration reduce time-to-contact for new residents by an average of 45 days, giving agents a significant first-mover advantage in growth markets. US Tech Automations delivers this capability natively while competitors require expensive third-party integrations.
Commission Structure & Agent Economics
According to San Antonio Board of Realtors data and Medina County MLS records, Castroville's commission structure supports strong farming economics at the current median price point.
| Commission Metric | Castroville | SA Metro Avg | Texas Avg |
|---|---|---|---|
| Average Total Commission | 5.2% | 5.0% | 4.9% |
| Buyer Agent Split | 2.6% | 2.5% | 2.45% |
| Median Commission per Sale | $8,060 | $6,875 | $7,301 |
| Annual Commission Pool | $5.0M | — | — |
| Active Agents | 42 | — | — |
How profitable is farming Castroville? According to MetroTex Association of Realtors data, agents in growth-corridor markets with median prices between $275,000 and $350,000 achieve the strongest ROI on farming investment because transaction volume is high enough to support consistent closings while per-transaction commissions remain meaningful.
Investment & Rental Analysis
Is Castroville a good market for investor-focused farming? According to Zillow Rental data and Medina County MLS records, Castroville's rental market has strengthened alongside population growth.
| Rental Metric | Value | Year-over-Year Change |
|---|---|---|
| Median Rent (3BR) | $1,650 | +6.8% |
| Gross Rental Yield | 6.4% | -0.3% |
| Vacancy Rate | 4.2% | -1.1% |
| Rent-to-Price Ratio | 0.53% | Stable |
| Investor Share of Purchases | 8% | +1.2% |
According to the National Association of Realtors, markets with gross rental yields above 6% and vacancy rates below 5% attract sustained investor interest. Agents who farm Castroville should include investor-targeted content in their automation sequences, highlighting yield data and appreciation trends.
Castroville's 6.4% gross rental yield outperforms the San Antonio metro average of 5.8% while offering stronger appreciation potential, making it attractive to both cash-flow and equity-growth investors according to Zillow Research data.
For additional San Antonio area market comparisons, review our analysis of Seguin commission data and Leon Valley trends.
Frequently Asked Questions
What is the median home price in Castroville TX in 2026?
According to Medina County MLS data, the median home price in Castroville reached $310,000 in early 2026. This represents a 4.2% increase over the prior year and positions Castroville as an affordable alternative to closer-in San Antonio suburbs where medians exceed $350,000.
How many homes sell annually in Castroville?
According to the San Antonio Board of Realtors, Castroville recorded approximately 275 closed residential sales in 2025, with projections of 295 sales in 2026. New construction accounts for roughly 40% of these transactions.
What is driving population growth in Castroville TX?
According to the U.S. Census Bureau, Castroville's 35.5% population growth since 2020 is driven by San Antonio metro spillover along the US-90 corridor, Medina Valley ISD school quality, relative affordability, and expanding employment opportunities in western Bexar and Medina counties.
How long do homes stay on the market in Castroville?
According to Medina County MLS records, the average days on market in Castroville has decreased to 26 days in early 2026, down from 38 days in 2023. Competitively priced homes often receive multiple offers within the first two weeks.
Is Castroville a good market for first-time home buyers?
According to the San Antonio Board of Realtors, first-time buyers represent approximately 25% of Castroville purchases. The combination of new construction inventory, FHA and VA loan accessibility, and prices below the San Antonio metro median makes Castroville particularly attractive for entry-level buyers.
What school district serves Castroville?
According to the Texas Education Agency, Medina Valley ISD serves Castroville and surrounding areas. The district holds a B+ rating with a 94% graduation rate and a 15:1 student-teacher ratio, making it a significant draw for family buyers.
How does Castroville compare to New Braunfels for real estate investment?
According to Zillow Research, Castroville offers a lower entry price point ($310,000 vs. $365,000) and higher gross rental yield (6.4% vs. 5.7%) compared to New Braunfels, while New Braunfels provides stronger historical appreciation and larger market liquidity.
What percentage of Castroville homes are new construction?
According to Medina County building permit records, new construction represents approximately 40% of Castroville's annual sales volume, with 180+ permits issued annually since 2023 concentrated in master-planned communities along the US-90 corridor.
How can agents get started farming Castroville?
According to NAR best practices, agents should begin by defining a farm zone of 400-600 homes, building a contact database from county records, and launching a multi-channel outreach campaign combining direct mail, digital ads, and automated follow-up sequences through platforms like US Tech Automations.
Conclusion: Capitalize on Castroville's Growth Trajectory
Castroville's position as one of the San Antonio metro's fastest-growing suburban markets creates exceptional opportunities for agents who establish farming operations now. According to Medina County data, the combination of 35% population growth, tightening inventory at 2.8 months supply, and a $95.9 million projected annual sales volume means the commission pool is expanding rapidly for agents who stake their claim early.
Launch your Castroville farming operation with US Tech Automations — purpose-built for growth corridor markets where building permit integration, new resident automation, and multi-channel farming coordination turn expanding neighborhoods into predictable transaction pipelines.
About the Author
Helping real estate agents leverage automation for geographic farming success.
