Hire the Best Administrative Assistants in California

Clients rate our Administrative Assistants
Rating is 4.8 out of 5.
4.8/5
Based on 1,089 client reviews
Mele F.

Hayward, California

$25/hr
5.0
3 jobs

I bring 18 years of experience as an Administrative Assistant, specializing in providing top-notch support within the legal sector. My expertise includes managing reception duties, maintaining impeccable communication, and enhancing customer satisfaction. Proficient in Microsoft Word and various administrative tasks, I ensure seamless operations that allow teams to focus on their core objectives. I've contributed to various organizations, adapting quickly to unique environments and consistently delivering on expectations. If you're looking for a reliable administrative professional who can help streamline your processes and improve overall efficiency, I am here to help. Let's discuss how I can bring value to your team.

  • Data Entry
  • Virtual Assistance
  • General Transcription
  • Academic Research
  • Facebook Marketplace
  • Company Research
Marisela Q.

Riverside, California

$30/hr
5.0
3 jobs

I am an Administrative Support Specialist with strong experience in data entry, scheduling, inventory coordination, and production support. I help businesses stay organized and efficient by managing day-to-day operational and administrative tasks. I also provide professional voice over services for short-form content, narration, training materials, and UGC-style recordings when needed.

  • Administrative Support
  • Data Entry
  • Virtual Assistance
  • Email Management
  • Order Processing
  • Purchasing Management
  • ERP Software
  • Voice Recording
  • Scheduling Software
  • Voice Acting
  • Voice Talent
Victoria I.

Los Angeles, California

$10/hr
5.0
29 jobs

I'm Victoria, a language enthusiast and avid reader and writer. My passion for the English language has led me to pursue various related fields. I completed my Associate's Degree at Santa Monica College in Humanities & Liberal Arts and am currently seeking my Bachelor's in Linguistics with an emphasis on TEFL. I am also CELTA certified (Cambridge English Level 5 Certificate in Teaching English to Speakers of Other Languages) and have experience tutoring students and teaching English online. In addition, I have professional experience copy editing and translating promotional materials for small businesses. Do let me know how I can help you in your ongoing projects.

  • Proofreading
  • Bilingual Education
  • Word Processing
  • English
  • English Tutoring
  • Spanish
  • Creative Writing
  • Line Editing
  • Editing & Proofreading
Joshua S.

Camarillo, California

$25/hr
5.0
4 jobs

Hello! I am Josh, a virtual assistant. I specialize in communications management, scheduling/logistics, outreach, copywriting, social media support, but I'm open to all kinds of work. My previous professional experiences virtual assistance and project management including work: managing logistics, market/user research, B2B and client communications, as well as overall administration support. Whether you need help streamlining daily operations, opening up more free time, or keeping projects on track, I’m can help! :) About Me: Based in California UCSC B.S graduate Part time Samba Guitarist, Poet, and Rock Climber

  • Data Entry
  • Microsoft Excel
  • Virtual Assistance
  • UX & UI
  • Microsoft Office
  • Artificial Intelligence
  • Recruiting
  • Environmental, Social & Corporate Governance
  • Outreach Strategy
  • Copywriting
  • Website Audit
Grace A.

Oceanside, California

$30/hr
5.0
12 jobs

Hey! I’m a lifestyle UGC creator who lives for surf mornings, thrift finds, and an iced coffee in hand. I create authentic, scroll-stopping videos for health, beauty, hair, and wellness brands, the kind of content that actually feels real because it IS. If your product fits into a fun, active, beach-girl lifestyle, we’re probably a perfect match.

  • Social Media Marketing
  • UGC
  • Social Media Content
  • Content Creation
  • Social Media Content Creation
Danielle C.

El Dorado Hills, California

$25/hr
4.8
19 jobs

👉 If you're looking for a 𝙝𝙞𝙥, 𝙮𝙤𝙪𝙣𝙜, 𝙨𝙠𝙞𝙡𝙡𝙚𝙙, 𝙩𝙖𝙡𝙚𝙣𝙩𝙚𝙙, 𝙝𝙪𝙣𝙜𝙧𝙮 and 𝙩𝙚𝙘𝙝-𝙨𝙖𝙫𝙫𝙮 𝙑𝙞𝙧𝙩𝙪𝙖𝙡 𝘼𝙨𝙨𝙞𝙨𝙩𝙖𝙣𝙩 who doubles as an 𝙀𝙭𝙚𝙘𝙪𝙩𝙞𝙫𝙚 𝘼𝙨𝙨𝙞𝙨𝙩𝙖𝙣𝙩 and 𝙋𝙚𝙧𝙨𝙤𝙣𝙖𝙡 𝘼𝙨𝙨𝙞𝙨𝙩𝙖𝙣𝙩 aka unofficial 𝘿𝙞𝙧𝙚𝙘𝙩𝙤𝙧 𝙤𝙛 𝙆𝙚𝙚𝙥𝙞𝙣𝙜 𝙏𝙝𝙞𝙣𝙜𝙨 𝙏𝙤𝙜𝙚𝙩𝙝𝙚𝙧... Who can manage the small things, the digital things, and the “why did this platform change its layout again” things — 𝙮𝙤𝙪 𝙢𝙞𝙜𝙝𝙩 𝙝𝙖𝙫𝙚 𝙟𝙪𝙨𝙩 𝙛𝙤𝙪𝙣𝙙 𝙩𝙝𝙚 𝙧𝙞𝙜𝙝𝙩 𝙥𝙚𝙧𝙨𝙤𝙣. Whether it’s your 𝙨𝙤𝙘𝙞𝙖𝙡 𝙢𝙚𝙙𝙞𝙖, 𝙤𝙣𝙡𝙞𝙣𝙚 𝙨𝙩𝙤𝙧𝙚, 𝙘𝙪𝙨𝙩𝙤𝙢𝙚𝙧 𝙢𝙚𝙨𝙨𝙖𝙜𝙚𝙨, 𝙚𝙢𝙖𝙞𝙡𝙨, 𝙘𝙖𝙡𝙚𝙣𝙙𝙖𝙧𝙨, project workflows, ecommerce listings, dashboards, or (to borrow one of my generation’s favorite words) whatever — I help keep the digital side of your business organized and moving so you can focus on the work that actually grows it. That includes keeping operations smooth, customers answered, projects on track, systems organized, and even figuring out the occasional new tool or AI workflow everyone suddenly says you “have to start using.” 💅 𝙎𝙤 𝙬𝙝𝙮 𝙃𝙄𝙍𝙀 𝙈𝙀? ✅ 𝘿𝙞𝙜𝙞𝙩𝙖𝙡 𝙉𝙖𝙩𝙞𝙫𝙚 𝘼𝙙𝙫𝙖𝙣𝙩𝙖𝙜𝙚 I grew up with the internet, so picking up new tools and platforms is second nature. Whether it's a new social media feature, an ecommerce dashboard, or the latest “AI productivity system” everyone suddenly discovered last Tuesday, I figure things out quickly so you don’t have to. ✅ 𝙎𝙤𝙘𝙞𝙖𝙡 𝙈𝙚𝙙𝙞𝙖 𝙉𝙖𝙩𝙞𝙫𝙚 From what’s new on TikTok, trending on X, or the usual cringey LinkedIn post that somehow turns anything into thought leader peice, I keep up with where attention actually lives online — and help your business show up there too. Even if it means surviving (or crafting for you) posts like: "US just bombed Iran. Here are the 12 lessons it taught me about SaaS B2B growth 👇" ✅ 𝘾𝙧𝙚𝙖𝙩𝙞𝙫𝙚 & 𝙑𝙞𝙨𝙪𝙖𝙡 𝘾𝙤𝙣𝙩𝙚𝙣𝙩 𝙎𝙪𝙥𝙥𝙤𝙧𝙩 From Instagram aesthetics to Pinterest pins, I help keep your brand looking polished, consistent, and scroll-stopping. Because on the internet, visuals matter. And unfortunately so do moments when someone opens a brand’s Instagram and says: "Why are there seven different fonts and three shades of beige fighting for their lives?" ✅ 𝙀-𝙘𝙤𝙢𝙢𝙚𝙧𝙘𝙚 𝘼𝙨𝙨𝙞𝙨𝙩𝙖𝙣𝙘𝙚 Running a store on Etsy, eBay, Amazon, Shopify or somewhere else in the ecommerce universe? I can help manage listings, product updates, customer messages, and backend tasks so you can focus on actually growing the business. Especially during moments when the dashboard updates itself overnight and suddenly you're wondering: "Why did Shopify move this button… and why does it take five clicks to find the orders page now?" ✅ 𝘿𝙞𝙜𝙞𝙩𝙖𝙡 𝘽𝙪𝙨𝙞𝙣𝙚𝙨𝙨 𝙈𝙖𝙣𝙖𝙜𝙚𝙧 𝙎𝙪𝙥𝙥𝙤𝙧𝙩 As businesses grow, the number of moving parts multiplies — projects, tools, tasks, people, deadlines. I help keep those moving parts organized so the business runs smoothly behind the scenes. Yes, including moments when the team collectively asks: "Wait… was that in Asana, Notion, Slack, or a random Google Doc?" ✅ 𝘼𝙙𝙢𝙞𝙣 𝙎𝙪𝙥𝙥𝙤𝙧𝙩 𝙏𝙝𝙖𝙩 𝙆𝙚𝙚𝙥𝙨 𝙏𝙝𝙞𝙣𝙜𝙨 𝙈𝙤𝙫𝙞𝙣𝙜 Emails piling up, meetings multiplying, and calendars starting to look like abstract art? I help keep the operational chaos organized so things actually move forward. Yes, including situations where someone says: "Let’s hop on a quick 10-minute call." …and somehow it becomes three Zoom links, two reschedules, and a calendar that looks like a game of Tetris. 𝙔𝙤𝙪 𝙨𝙚𝙚, 𝙮𝙤𝙪 𝙣𝙚𝙚𝙙 𝙢𝙚. You just don't know it yet. 𝙁𝙚𝙚𝙡 𝙛𝙧𝙚𝙚 𝙩𝙤 𝙨𝙡𝙞𝙙𝙚 𝙤𝙣 𝙢𝙮 𝘿𝙈𝙨. *wink* Or just scroll a bit more below to learn more stuff I can do for you: 👉 𝘼𝘿𝙈𝙄𝙉𝙄𝙎𝙏𝙍𝘼𝙏𝙄𝙑𝙀 𝙎𝙐𝙋𝙋𝙊𝙍𝙏 • Email inbox management • Calendar scheduling and appointment coordination • Digital file organization and documentation 👉 𝘾𝙐𝙎𝙏𝙊𝙈𝙀𝙍 𝙎𝙀𝙍𝙑𝙄𝘾𝙀 • Email and chat support • Handling inquiries and resolving issues • Managing customer feedback and relationships 👉 𝙎𝙊𝘾𝙄𝘼𝙇 𝙈𝙀𝘿𝙄𝘼 𝙈𝘼𝙉𝘼𝙂𝙀𝙈𝙀𝙉𝙏 • Content scheduling and publishing • Monitoring engagement and messages • Assisting with content planning 👉 𝘿𝘼𝙏𝘼 & 𝙍𝙀𝙋𝙊𝙍𝙏𝙄𝙉𝙂 • Accurate data entry and updates • Report creation and organization • Basic data analysis for business insights 👉 𝙋𝙍𝙊𝙅𝙀𝘾𝙏 & 𝙒𝙊𝙍𝙆𝙁𝙇𝙊𝙒 𝘾𝙊𝙊𝙍𝘿𝙄𝙉𝘼𝙏𝙄𝙊𝙉 • Task tracking and deadline monitoring • Supporting project execution • Keeping teams aligned and organized 👉 𝘼𝙄-𝘼𝙎𝙎𝙄𝙎𝙏𝙀𝘿 𝙏𝘼𝙎𝙆𝙎 • AI-assisted research and content drafting • Repurposing content into social media posts • Helping streamline repetitive workflows with AI tools So yeah, if you're looking for a detail-oriented, reliable, and enthusiastic professional, 𝙃𝙄𝙍𝙀 𝙈𝙀 and that will have a significant impact on our business! Cheers, 𝘿𝙖𝙣𝙞𝙚𝙡𝙡𝙚

  • Administrative Support
  • Virtual Assistance
  • Executive Support
  • Social Media Marketing
  • Social Media Management
  • Social Media Content Creation
  • Social Media Carousel
  • Personal Administration
  • Canva
  • Graphic Design
  • Twitter/X
  • Instagram
  • LinkedIn
  • Instagram Reels
  • Video Editing

How it works

Post a job for free Post a job

Tell us what you need. Create your own job post or generate one with AI then filter talent matches.

Hire top talent fast

Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.

Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

Payment simplified

Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.

Don't just take our word for it

How do I hire a Administrative Assistant in California on Upwork?

You can hire a Administrative Assistant in California on Upwork in four simple steps:

  • Create a job post tailored to your Administrative Assistant project scope. We'll walk you through the process step by step.
  • Browse top Administrative Assistant talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top Administrative Assistant profiles and interview.
  • Hire the right Administrative Assistant for your project from Upwork, the world's largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a Administrative Assistant?

Rates charged by Administrative Assistants on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a Administrative Assistant in California on Upwork?

As the world's work marketplace, we connect highly-skilled freelance Administrative Assistants and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Administrative Assistant team you need to succeed.

Can I hire a Administrative Assistant in California within 24 hours on Upwork?

Depending on availability and the quality of your job post, it's entirely possible to sign up for Upwork and receive Administrative Assistant proposals within 24 hours of posting a job description.