Walking through the South of First Area (SoFA) in Downtown San Jose, you can feel the friction between the city’s tech-heavy future and its gritty, artistic roots. It is a neighborhood where neon signs from the California Theatre glow against the backdrop of rising cranes. For years, one specific corner at 470 South Market Street sat quiet, a gap in the urban fabric that seemed at odds with the frantic pace of Silicon Valley development. But the radio silence is over.
Construction is officially beginning on Gateway Tower, a 15-story high-rise that represents a massive $106 million bet on the people who actually keep this city running (City of San Jose) [1]. This isn't another glass-box luxury condo project aimed at the top 1% of software engineers. Instead, Gateway Tower is 100% affordable, designed specifically for the teachers, nurses, and service workers who have been increasingly priced out of the very zip codes they serve. With $64 million from Santa Clara County and $38 million from the City of San Jose, this project is a case study in how public funding can force a wedge into one of the most expensive real estate markets in the world (Santa Clara County) [2].
In this post, we are going to break down:
- The financial engineering behind the $106 million public investment.
- How "Area Median Income" (AMI) actually translates to rent for essential workers.
- The historical connection between this site and the birth of American radio.
The Financial Skeleton of a $106M High-Rise
Building a high-rise in Downtown San Jose is a logistical and financial nightmare. Between the cost of steel, labor shortages, and high interest rates, many market-rate developers have paused projects indefinitely. Affordable housing is even harder to pencil out. Gateway Tower only works because of a complex layering of public funds, primarily driven by Santa Clara County’s Measure A, a $950 million housing bond approved by voters to address the homelessness and affordability crisis (Santa Clara County Housing Authority) [3].
The Core Companies, the developer behind the project, secured $64 million from the county and $38 million from the city’s housing department. This capital stack is designed to offset the "missing middle" gap, where people earn too much for traditional low-income housing but not enough to afford a $4,000-a-month studio. By utilizing these public funds, the project can bypass the traditional need for high-interest private construction loans that often kill density in the cradle (Silicon Valley Business Journal) [8].
Density in the SoFA District: Why Height Matters
The SoFA District is the cultural heart of San Jose, known for its galleries, festivals, and nightlife. Adding 220 units to this specific block isn't just about housing numbers; it’s about urban vitality. The DLR Group, the architects behind Gateway Tower, designed the 15-story structure to maximize its small 0.6-acre footprint. High-density, transit-oriented development (TOD) is the only way San Jose can meet its state-mandated housing goals (California Department of Housing and Community Development) [6].
By building up instead of out, Gateway Tower preserves the walkability of the SoFA district while placing hundreds of residents within a short walk of the VTA light rail and the future BART Silicon Valley extension. This is critical for essential workers who often face grueling commutes from the Central Valley or the outskirts of Gilroy just to reach their shifts in Downtown San Jose (SPUR) [12].
The AMI Breakdown: Who Gets to Live Here?
"Affordable" is a relative term in Silicon Valley. To understand who Gateway Tower serves, we have to look at the Area Median Income (AMI) for Santa Clara County, which is consistently among the highest in the United States. For 2024, the AMI for a family of four in the county topped $184,000 (US Census Bureau) [5].
Gateway Tower units are reserved for households earning between 30% and 70% of that median income.
- 30% AMI: Individuals earning approximately $40,000 to $45,000 (Entry-level service staff, students).
- 50% AMI: Individuals earning approximately $65,000 to $70,000 (Preschool teachers, medical assistants).
- 70% AMI: Individuals earning approximately $90,000 to $95,000 (Registered nurses, public school educators).
This tiered approach ensures that the building doesn't just house one demographic but reflects the diverse economic layers of the workforce (City of San Jose Housing Department) [1].
A Site With a Signal: The Legacy of Charles "Doc" Herrold
Long before San Jose was the capital of Silicon Valley, it was the birthplace of a different kind of tech revolution. The site of Gateway Tower at 470 South Market Street was once home to the college where Charles "Doc" Herrold started the world’s first regularly scheduled radio broadcasts in 1912 (History San Jose) [9].
Herrold’s station, KQW (which later became the powerhouse KCBS), began as a way to transmit information and music to the local community. To honor this history, the ground floor of Gateway Tower will feature a permanent exhibit dedicated to Herrold’s work. It is a poetic touch: a building designed to house the community’s future standing on the ground where the community first learned to listen to itself (The Core Companies) [3].
Milestone Timeline: The Path to Completion
The journey from a vacant lot to a 15-story tower is a marathon of permitting and construction phases.
| Date | Milestone | Source |
|---|---|---|
| Nov 2021 | Initial project proposal submitted to City Planning | [1] |
| June 2023 | Santa Clara County approves $64M in Measure A funding | [2] |
| Oct 2024 | Final design approval and architectural review completed | [4] |
| April 2026 | Official Groundbreaking and Site Preparation | [7] |
| Sept 2026 | Foundation work and podium construction begins | [3] |
| June 2027 | Building structural topping out (15th floor) | [8] |
| Dec 2027 | Interior build-out and Charles Herrold exhibit installation | [4] |
| Early 2028 | Completion, final inspections, and tenant move-ins | [1] |
The "Missing Middle" Case Study: Why Teachers Stay
Consider the case of "Maria," a veteran elementary school teacher in the San Jose Unified School District. Maria earns $88,000 a year. In most cities, this is a solid middle-class salary. In San Jose, it places her right at the edge of the 70% AMI threshold. Currently, Maria rents a small ADU in a backyard in Willow Glen, paying 50% of her take-home pay in rent with no long-term security.
With projects like Gateway Tower, Maria qualifies for a rent-restricted one-bedroom apartment. Her rent would be capped at 30% of her income, allowing her to actually save for retirement or buy supplies for her classroom instead of just surviving month-to-month (Terner Center for Housing Innovation) [11]. This isn't just about "giving" someone a home; it's about labor retention. When teachers can't afford to live in the city where they teach, the entire educational system suffers from high turnover and long-range burnout (Silicon Valley Leadership Group) [10].
What Smart Critics Argue
No $100 million public investment goes without scrutiny. Here are the three most common arguments against large-scale affordable housing projects and the reality on the ground:
- "The per-unit cost is too high."
Critics point out that spending roughly $480,000 per unit is inefficient. While true that high-rise construction is expensive, the cost of not building is higher. When essential workers leave, the city loses tax revenue and faces increased traffic congestion from commuters, which costs the public billions in infrastructure wear and tear (SPUR) [12]. - "It’s not 'affordable' enough for the unhoused."
Some argue that 70% AMI is too high. However, housing is a ladder. By providing units for the 70% AMI tier, you prevent them from competing for lower-priced "naturally occurring" affordable housing, which keeps those older units available for people at the 30% AMI level (California HCD) [6]. - "High-rises ruin the neighborhood character."
In a district like SoFA, which is already dense and urban, the "character" is defined by activity. A vacant lot contributes nothing to character. A 220-unit building brings 300+ people to local businesses, cafes, and theaters every single day (San Jose Spotlight) [7].
Visual Data: Gateway Tower vs. Market Rate Averages
The following table illustrates the stark difference between the Gateway Tower model and the standard market-rate experience in Downtown San Jose.
| Feature | Gateway Tower (Affordable) | Typical SJ Market-Rate High-Rise |
|---|---|---|
| Monthly Rent (1BR) | $1,800 – $2,600 (Projected) | $3,400 – $4,200 |
| Funding Source | Public Bonds & Tax Credits [2] | Private Equity & Commercial Loans |
| Target Tenant | 30-70% AMI Households [5] | 120%+ AMI Households |
| Public Amenity | Historical Exhibit (Doc Herrold) [9] | Private Resident-Only Lounge |
| Parking Ratio | Reduced (Transit-Oriented) | 1:1 or Higher (Auto-Dependent) |
Key Takeaways
- Public Investment is the Catalyst: The $106 million funding shows that without city and county intervention, high-density affordable housing is nearly impossible to build in the current economic climate.
- Essential Workers are the Priority: The 30-70% AMI range specifically targets the workforce that keeps San Jose functioning.
- Location is Strategy: Placing this at 470 South Market ensures residents are transit-independent and integrated into the city's cultural core.
- Preserving History: The Charles "Doc" Herrold exhibit ensures that modern development doesn't erase the technological heritage of the site.
- High-Rise as a Solution: Vertical density is the only viable path for San Jose to meet housing demands without increasing urban sprawl.
- Long-Term Impact: Completion in 2028 will add significant foot traffic to the SoFA district, supporting local small businesses.
- Closing the Gap: This project addresses the "missing middle" that market-rate developers often ignore.
Actions You Can Take
At Work
If you are an employer in San Jose, advocate for "workforce housing" policies. Partner with organizations like the Silicon Valley Leadership Group to support legislation that streamlines the permitting process for affordable high-rises.
At Home
Check your own building's history. Understanding the zoning and history of your neighborhood helps you become a more informed participant in community meetings.
In the Community
Support the SoFA district’s local businesses. The success of Gateway Tower depends on a thriving neighborhood. Visit the local galleries and theaters to help keep the "arts" in the Arts District.
In Civic Life
Vote in local elections that involve housing bonds. Measure A was the backbone of Gateway Tower. Understanding how these bonds work, and where the money goes, is essential for every San Jose voter.
One Extra Step
Volunteer or donate to "History San Jose." They are the stewards of the Charles "Doc" Herrold legacy and work to ensure that stories like the birth of radio aren't lost to time as the city evolves.
FAQ
How do I apply for a unit at Gateway Tower?
Applications typically open 6 to 9 months before completion (Early 2028). You can track the progress through the Core Companies' website or the San Jose Housing Department's portal.
What is "Area Median Income" (AMI)?
AMI is the midpoint of a region’s income distribution. Half of the households in the region earn more than the AMI, and half earn less. It is adjusted annually by HUD based on local economic data (US Census Bureau) [5].
Is there parking for residents?
As a transit-oriented development, Gateway Tower will have limited parking. The focus is on encouraging the use of VTA, BART, and bicycles, given its central location.
Will the Doc Herrold exhibit be open to the public?
Yes. The ground-floor exhibit is intended to be a public-facing cultural asset for the SoFA district, not just for residents of the building.
Who is the developer?
The Core Companies, a San Jose-based firm with a long track record of developing both market-rate and affordable housing in the South Bay.
Engagement Question: What role do you think large-scale affordable housing investments like Gateway Tower should play in the long-term future of Silicon Valley?
Atlas Premier Services & Consultants is a premier general contracting and project management firm dedicated to high-performance commercial and residential development, management, janitorial, maintenance, etc. From commercial offices to complex medical facilities, we bring a standard of excellence to every square foot we manage.
Service Areas: San Francisco, Oakland, San Jose, and the greater Bay Area.
Atlas Premier Services and Consultants
Strategic Solutions. Trusted Execution.
Lake Merritt Plaza
1999 Harrison Street, 18th Floor
Oakland, CA 94612
(510) 726-2433
info@atlas-premier.com
www.atlas-premier.com
Ready to move your project from concept to completion?
Contact Atlas Premier Services and Consultants today.
Sources
[1] City of San Jose Housing Department, “Affordable Housing Investment Reports,” 2024, www.sanjoseca.gov, Accessed April 20, 2026.
[2] Santa Clara County Board of Supervisors, “Measure A Funding Allocations,” June 2023, www.sccgov.org, Accessed April 20, 2026.
[3] The Core Companies, “Gateway Tower Project Specifications,” 2025, www.thecorecompanies.com, Accessed April 20, 2026.
[4] DLR Group, “Portfolio: Gateway Tower San Jose,” 2024, www.dlrgroup.com, Accessed April 20, 2026.
[5] U.S. Census Bureau, “American Community Survey: Santa Clara County Income Data,” 2024, www.census.gov, Accessed April 20, 2026.
[6] California Department of Housing and Community Development, “Statewide Housing Plan,” 2024, www.hcd.ca.gov, Accessed April 20, 2026.
[7] San Jose Spotlight, “Groundbreaking for Gateway Tower Affordable High-Rise,” April 2026, www.sanjosespotlight.com, Accessed April 20, 2026.
[8] Silicon Valley Business Journal, “Commercial Real Estate: Gateway Tower Funding,” 2024, www.bizjournals.com, Accessed April 20, 2026.
[9] History San Jose, “The Doc Herrold Radio Collection,” 2023, www.historysanjose.org, Accessed April 20, 2026.
[10] Silicon Valley Leadership Group, “2025 Economic Impact Report,” 2025, www.svlg.org, Accessed April 20, 2026.
[11] Terner Center for Housing Innovation, “The Cost of Building Affordable Housing in California,” UC Berkeley, 2024, www.ternercenter.berkeley.edu, Accessed April 20, 2026.
[12] SPUR, “The Future of Downtown San Jose: Density and Transit,” 2024, www.spur.org, Accessed April 20, 2026.
Disclaimer: This content is for general informational purposes only and does not constitute legal, financial, engineering, construction, regulatory, or other professional advice. Reading this content does not create a client or contractual relationship with Atlas Premier Services & Consultants. Because every project and property is different, consult qualified professionals regarding your specific circumstances. Atlas Premier Services & Consultants makes no warranties regarding the accuracy or completeness of this information and is not responsible for third-party content or references. Testimonials, examples, and case studies are illustrative only and do not guarantee similar results.