California hosts 14 Computer Science doctoral (PhD) programs — the smallest set by count, but home to some of the most research-active computing departments in the country. University of Southern California leads our California doctoral rankings; the PhD path is fundamentally different from coursework degrees and not the right fit for most students.
- 1.California offers 14 accredited Computer Science doctoral programs as of 2026
- 2.University of Southern California ranks #1 on our California Computer Science doctoral list
- 3.California Computer Science salary median is $145,770 per BLS OEWS 2024 state data
- 4.Rankings use a transparent 4-factor weighted score covering completions, graduation rate, selectivity, and career outcomes — see methodology for full weighting
- 5.Compare alternative degree levels in this state on the hub page
Quick Verdict
California hosts 14 Computer Science doctoral (PhD) programs — the smallest set by count, but home to some of the most research-active computing departments in the country. University of Southern California leads our California doctoral rankings; the PhD path is fundamentally different from coursework degrees and not the right fit for most students.
Top Computer Science Doctoral Programs in California
University of Southern California
Why it ranks #1: Scored 100/100 on Hakia's composite, with the strongest signals coming from program scale (10.0/10) and career outcomes (10.0/10). One of the better-positioned computer science options at this level.
University of California-Berkeley
Why it ranks #2: Scored 100/100 on Hakia's composite, with the strongest signals coming from program scale (10.0/10) and career outcomes (10.0/10). One of the better-positioned computer science options at this level.
University of California-San Diego
Why it ranks #3: Scored 61/100 on Hakia's composite, with the strongest signals coming from selectivity (8.8/10) and graduation rate (8.1/10). One of the better-positioned computer science options at this level.
University of California-Los Angeles
Why it ranks #4: Scored 66/100 on Hakia's composite, with the strongest signals coming from graduation rate (9.2/10) and selectivity (8.8/10). One of the better-positioned computer science options at this level.
Stanford University
Why it ranks #5: Scored 61/100 on Hakia's composite, with the strongest signals coming from selectivity (8.8/10) and career outcomes (6.6/10). One of the better-positioned computer science options at this level.
University of California-Irvine
Why it ranks #6: Scored 63/100 on Hakia's composite, with the strongest signals coming from graduation rate (9.6/10) and selectivity (8.8/10). One of the better-positioned computer science options at this level.
University of California-Santa Barbara
Why it ranks #7: Scored 61/100 on Hakia's composite, with the strongest signals coming from graduation rate (9.0/10) and program scale (6.1/10). One of the better-positioned computer science options at this level.
University of California-Davis
Why it ranks #8: Scored 57/100 on Hakia's composite, with the strongest signals coming from graduation rate (9.1/10) and selectivity (8.8/10). One of the better-positioned computer science options at this level.
University of California-Riverside
Why it ranks #9: Scored 52/100 on Hakia's composite, with the strongest signals coming from graduation rate (8.3/10) and selectivity (5.8/10). One of the better-positioned computer science options at this level.
University of California-Santa Cruz
Why it ranks #10: Scored 53/100 on Hakia's composite, with the strongest signals coming from graduation rate (9.3/10) and selectivity (5.8/10). One of the better-positioned computer science options at this level.
Top Computer Science Doctoral Programs in California — Complete Program Data
#1. University of Southern California Doctoral Computer Science Program
Hakia ranks University of Southern California as the #1 doctoral in computer science degree program. Location: Los Angeles, CA | Type: Private | Tuition: $66,640/year | Graduation Rate: 92% | Score: 100.0
#2. University of California-Berkeley Doctoral Computer Science Program
Hakia ranks University of California-Berkeley as the #2 doctoral in computer science degree program. Location: Berkeley, CA | Type: Public | Tuition: $11,834/year | Graduation Rate: 96% | Score: 100.0
#3. University of California-San Diego Doctoral Computer Science Program
Hakia ranks University of California-San Diego as the #3 doctoral in computer science degree program. Location: La Jolla, CA | Type: Public | Tuition: $11,834/year | Graduation Rate: 81% | Score: 60.5
#4. University of California-Los Angeles Doctoral Computer Science Program
Hakia ranks University of California-Los Angeles as the #4 doctoral in computer science degree program. Location: Los Angeles, CA | Type: Public | Tuition: $11,834/year | Graduation Rate: 92% | Score: 65.5
#5. Stanford University Doctoral Computer Science Program
Hakia ranks Stanford University as the #5 doctoral in computer science degree program. Location: Stanford, CA | Type: Private | Tuition: $61,731/year | Score: 60.7
#6. University of California-Irvine Doctoral Computer Science Program
Hakia ranks University of California-Irvine as the #6 doctoral in computer science degree program. Location: Irvine, CA | Type: Public | Tuition: $11,834/year | Graduation Rate: 96% | Score: 62.8
#7. University of California-Santa Barbara Doctoral Computer Science Program
Hakia ranks University of California-Santa Barbara as the #7 doctoral in computer science degree program. Location: Santa Barbara, CA | Type: Public | Tuition: $11,834/year | Graduation Rate: 90% | Score: 60.9
#8. University of California-Davis Doctoral Computer Science Program
Hakia ranks University of California-Davis as the #8 doctoral in computer science degree program. Location: Davis, CA | Type: Public | Tuition: $11,834/year | Graduation Rate: 91% | Score: 57.2
#9. University of California-Riverside Doctoral Computer Science Program
Hakia ranks University of California-Riverside as the #9 doctoral in computer science degree program. Location: Riverside, CA | Type: Public | Tuition: $11,834/year | Graduation Rate: 83% | Score: 51.6
#10. University of California-Santa Cruz Doctoral Computer Science Program
Hakia ranks University of California-Santa Cruz as the #10 doctoral in computer science degree program. Location: Santa Cruz, CA | Type: Public | Tuition: $11,834/year | Graduation Rate: 93% | Score: 53.4
Top 5 California Computer Science Doctoral Programs — Side by Side
| School | Tuition (annual) | Graduation Rate | Composite Score |
|---|---|---|---|
| University of Southern California | $66,640 | 92% | 100/100 |
| University of California-Berkeley | $11,834 | 96% | 100/100 |
| University of California-San Diego | $11,834 | 81% | 61/100 |
| University of California-Los Angeles | $11,834 | 92% | 66/100 |
| Stanford University | $61,731 | — | 61/100 |
Source: IPEDS 2023, normalized by Hakia methodology
Doctoral Curriculum in California
Computer Science PhD programs in California run 5 to 7 years on average. Doctoral students are typically fully funded through teaching or research assistantships, meaning no tuition cost and a modest stipend, but with a substantial opportunity cost: you give up 5-7 years of industry earnings (potentially $1M+ in foregone compensation at California salaries). Whether that tradeoff makes sense depends entirely on what you intend to do afterward.
Computer Science PhDs balance advanced coursework (years 1-2), original research (years 2-7), and dissertation work. Top California programs are intensely research-focused, with regular publications at top venues (NeurIPS, ICML, SIGGRAPH, OSDI, USENIX Security, etc.). Successful PhD graduates pursue tenure-track academic positions, research-scientist roles at industry labs (Google Research, Meta FAIR, NVIDIA, Microsoft Research), or specialized technical leadership positions at well-resourced companies.
Who Should Pursue a California Computer Science Doctoral
A California Computer Science doctoral program fits students with a clear interest in original research, the patience for 5-7 years of intellectually intense work, and a target career that requires the credential — academic faculty, research scientist at top industry labs, or specialized technical leadership in research-heavy areas. It is the wrong choice for students who want a software engineering job; for that target, a bachelor's or master's is faster and equivalently competitive.
California Tech Industry & Infrastructure
California concentrates roughly a third of all U.S. venture capital investment and houses the headquarters of every company in the top five U.S. tech market caps. For a CS graduate, that translates into denser-than-anywhere hiring pipelines — but it also means the supply of CS graduates is unusually large, and competition for entry-level roles at named employers is intense.
Bay Area
San Francisco, San Jose, Oakland, Berkeley
Global center for consumer internet, AI/ML research, and high-growth software startups. Entry-level total compensation at named employers regularly clears $200,000 for new bachelor's graduates from top programs.
Los Angeles
Los Angeles County
Quieter but substantial tech market centered on entertainment-tech (Netflix, Disney Streaming, Riot, Activision-Blizzard), aerospace-adjacent software (SpaceX, Anduril, Northrop), and emerging fintech and consumer-app clusters.
San Diego
San Diego County
Smaller but dense in defense, biotech-adjacent software, and Qualcomm-anchored wireless engineering.
California does not levy a separate state-level tech tax credit at scale; the federal R&D credit is the relevant lever for most tech employers.
California Regulation Affecting Computer Science Graduates
Several California laws directly shape what CS graduates work on — particularly anyone joining a privacy, security, data, or AI team. These create both job market demand (compliance is a substantial employer concern) and constrain technical decisions in ways federal law does not.
California Consumer Privacy Act (CCPA / CPRA)
Strongest US state privacy law. Requires explicit consumer rights around data access, deletion, and sale opt-out for any business serving California residents at scale.
Engineers joining privacy, data, or security teams at California employers engage with CCPA daily.
Read moreAB-2273 — California Age-Appropriate Design Code Act
Requires data minimization, default privacy protections, and impact assessments for online products likely to be accessed by minors.
Drove significant engineering work at every consumer internet company headquartered in California.
Read moreSB-21 and state AI guidance
California has issued executive-branch guidance on generative AI in state government and is the most active US state legislature on AI policy.
Engineers building AI products serving California users should expect material compliance overhead.
Read moreCalifornia Privacy Protection Agency (CPPA)
First US state privacy enforcement agency. Issues regulations under CCPA/CPRA and brings enforcement actions.
Tech-adjacent compliance work has grown substantially since CPPA stood up.
Read moreProfessional Engineer Licensure in California
California recognizes Professional Engineer (PE) licensure in software engineering, but it is rarely required for industry work. ABET-EAC accredited SE degrees count toward PE eligibility; ABET-CAC CS does not. Most California CS graduates never seek PE licensure.
California licensing boardCalifornia Financial Aid Programs
Cal Grant A/B/C
State grantUp to ~$12,570/yr for UC, ~$5,742/yr for CSU, ~$1,094/yr for community college
California residents pursuing undergraduate degrees with demonstrated financial need
Middle Class Scholarship
State grantVaries by income tier
California undergrads at UC and CSU with family income up to $217,000
California College Promise Grant
Community college fee waiverFull enrollment fee waiver
California residents at community college with financial need
Chafee Grant
State grantUp to $5,000/yr
Current or former foster youth pursuing vocational training or college
Frequently Asked Questions
Based on 14 programs from IPEDS 2023
We analyzed 14 accredited Computer Science doctoral programs in California using IPEDS 2023 enrollment and graduation data plus BLS OEWS 2024 state salary data. Rankings are produced algorithmically — schools cannot pay for placement.
Ranking Factors
Annual graduates in this specific field (CIP code). Larger programs indicate established departments with more course offerings and career services. Source: IPEDS Completions.
Percentage of students completing their degree within 150% of expected time. Higher rates indicate better student support and program quality. Source: IPEDS Graduation Rates survey.
Admission rate (lower = more selective). For open-admission institutions, graduation rate is used as a proxy. More selective institutions typically have stronger academic environments.
California median Computer Science salary of $145,770 is factored into scoring based on local job market strength. Source: BLS OEWS 2024.
Data Sources
- IPEDS 2023 — Institutional characteristics, completions, graduation rates
- BLS OEWS 2024 — State and metro salary data by occupation
- College Scorecard 2024 — Federal post-graduation earnings outcomes
Related Rankings
Taylor Rupe
Co-founder & Editor (B.S. Computer Science, Oregon State • B.A. Psychology, University of Washington)
Taylor combines technical expertise in computer science with a deep understanding of human behavior and learning. His dual background drives Hakia's mission: leveraging technology to build authoritative educational resources that help people make better decisions about their academic and career paths.