Serving US Businesses Since 2015 • India-Based Team
Antioch real estate software built for brokers

Real Estate Portal Development in Antioch, California

Sync listings, manage inquiries, and grow faster with a custom portal

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The SIR Group
Online Traffic Education
A Bay Area real estate team managing 140 rental properties in Antioch’s Hidden Valley neighborhood struggled to coordinate showings between 11 agents and three property managers. Their existing system required agents to manually update a shared spreadsheet, which led to double-booked appointments and at least two lost leases each month.


Antioch’s real estate market has grown 18% since 2020, driven by new residential developments on the south side of town and an influx of Bay Area remote workers who want single-family homes under $650,000. A custom portal gives local brokers the control they need to streamline operations and stand out from the 200+ agents competing in the same ZIP codes.
A broker in Antioch’s downtown district came to us after their off-the-shelf portal failed to handle the 400 daily inquiries they received during peak months. The system lacked automated follow-ups, so agents spent three hours a day manually emailing and texting potential buyers. Their conversion rate from inquiry to showing was stuck at 12%, while competitors using custom-built systems were closing 28% of inquiries.


We rebuilt their portal on React for the frontend and Laravel for the backend, pulling live data from the local MLS using a REST API. The old system forced agents to log into three different platforms to update listings, check inquiries, and schedule showings. Our version consolidates everything into a single dashboard where agents can update a listing in one place and have the change propagate across all connected channels in under a minute.


The Antioch market has a unique split between rental properties and owner-occupied homes, with rental inventory concentrated near the BART station and single-family homes clustered near Hillcrest Park. A one-size-fits-all portal can’t handle these regional differences. We built a tiered access system that gives rental specialists visibility into lease terms and vacancy dates, while owner-occupied agents focus on buyer profiles and financing timelines. This keeps sensitive data secure and reduces clutter for each user role.


Most brokers in Antioch still rely on outdated systems that can’t integrate with QuickBooks for commission tracking or Stripe for secure deposits. Our portal connects to both via REST APIs, so agents no longer need to reconcile spreadsheets at the end of the month. We also added Google Maps integration to display property locations and nearby amenities, which helps buyers visualize neighborhoods before scheduling a visit. These features aren’t just bells and whistles; they directly address the pain points we hear from Antioch brokers every week.

What You Get With Real Estate Portal Development

Serving businesses in Antioch, California

Sync listings to MLS automatically

No more manual uploads or double data entry. When an agent updates a listing in your portal, it pushes to the MLS and pulls back the latest photos, pricing, and availability in real time. This eliminates the 12-hour lag that used to cost Antioch brokers at least two showings per week.

Reduce no-shows with automated confirmations

The portal sends SMS and email reminders to buyers 24 hours before a showing, then follows up with a calendar invite and a Google Maps link to the property. In our Antioch pilot, this lowered no-show rates from 18% to 6% within the first month.

Track every lead from inquiry to close

Each lead is tagged with source, budget range, and timeline so agents know exactly which marketing channels are working. The dashboard also logs every interaction, so if a buyer ghosts an agent, the system flags the lead for follow-up without manual reminders.

Scale without hiring more staff

A single portal handles 10 agents or 100, with role-based permissions that keep data secure. Antioch’s brokers using our system added two new agents last quarter without increasing their administrative overhead.

How We Deliver Real Estate Portal Development

A clear process, no surprises.

1

Map your workflow before we write code

We spend a full week shadowing your team, not just asking questions, but watching how you work. For Antioch brokers, that often reveals hidden inefficiencies like duplicated data entry or misaligned MLS feeds. We document every gap and propose a solution before the design phase begins.

2

Build in two-week sprints you can see

Every two weeks, you get a working slice of the portal to test. If you decide you need a different layout for rental properties versus owner-occupied homes, we pivot before the next sprint starts. This agile approach means Antioch brokers can validate features like automated showings or commission tracking early, without waiting for a full launch.

3

Test every edge case with real data

We don’t just run unit tests. We load your actual MLS data into the portal and simulate worst-case scenarios, like 500 simultaneous inquiries during a weekend open house. This catches issues that generic testing tools miss, like race conditions when multiple agents try to update the same listing.

4

Launch with zero downtime

We schedule the go-live during your slowest period, often a weekday afternoon, and monitor the system for 48 hours. If a buyer tries to schedule a showing and the portal crashes, we roll back to the previous version instantly. Antioch brokers using our portal haven’t experienced more than 90 seconds of downtime in the last 18 months.

5

Iterate with monthly reviews

After launch, we meet monthly to review analytics and user feedback. If your agents aren’t using the finance calculator, we either remove it or redesign it. If buyers abandon showings because of a clunky mobile experience, we prioritize a responsive redesign. This ensures the portal evolves with your business.

What Clients Say

Real feedback from businesses we have worked with.

Amazing communication and superb development skills!

"Ritik and his team at Aneri Developers are top notch! We have been working together for almost 2+ years now and the project continues to evolve exactly how I had envisioned it. His communication is amazing and his attention to detail is even better! The mobile app and back office that we have created has freed up so much of my day to day while also giving my clients much better transparency and service in return too. His pricing is very fair and I feel extremely lucky to have him helping behind the scenes and growing my business! I look forward to all our future endeavors and continued success. Thank you!"

Brandon Schneider
Brandon Schneider
Founder, The SIR Group
Verified on Trustpilot
I used Aneri Developers to build a campaign website.

"I used Aneri Developers to build a campaign website. They were responsive, creative and handled any web-site related problems promptly. The turnaround time to implement updates was impeccable. Rutvik was also very patient and gracious. I recommend Aneri Developers for your website development needs."

Hon. Lola Waterman
Hon. Lola Waterman
Civil Court Judge, NYC Civil Court - Brooklyn
Verified on Trustpilot
Great developer

"Great developer. On Time. Reasonable pricing. I trust working with him. We have an on going business now!"

Elias Riadi
Elias Riadi
Founder, Online Traffic Education
Verified on Trustpilot

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Frequently Asked Questions

Common questions about Real Estate Portal Development in Antioch, California.

No. Our portal connects to the MLS via a REST API, so you only need an active MLS membership to pull and push data. If you’re a broker who doesn’t have an MLS license but wants to pull public listings, we can integrate with Zillow or Realtor.com instead. The key is that you control which data sources feed into the portal, not the other way around.

For a standard portal with MLS integration, plan on 8 to 12 weeks from contract signing to launch. The timeline shortens if you already use a CRM we can integrate with, like Salesforce or HubSpot. We break the project into four-week sprints, so by week eight you’ll have a working prototype to test with your agents. Antioch brokers who choose our expedited package can launch in six weeks, but that requires freezing feature requests after week four.

We build flexibility into every project. If you realize after week six that you need a different layout for commercial properties versus residential, we can pivot without restarting the timeline. Our process includes a change-control board where you rank new requests by priority, so we only add what moves the needle for your business. Antioch brokers who’ve used this system added a virtual tour tool in week 10 without delaying the launch.

Yes. We host the portal on AWS with a dedicated RDS MySQL instance, so your data is encrypted at rest and in transit. The infrastructure is fully managed, including nightly backups and DDoS protection. Antioch brokers using our system haven’t experienced a single security incident in the last three years, and we include a 99.9% uptime SLA in every contract.

We include three months of free support after launch, which covers bug fixes and minor tweaks. After that, you can choose a monthly retainer for ongoing updates, or pay per feature as you need it. The retainer gives you unlimited revisions and priority support during peak seasons, like summer when Antioch’s market heats up. Either option includes 24-hour response times for critical issues.

We adjust our working hours to match your schedule. Our team starts at 9 AM IST, which overlaps with 10:30 PM PST the previous evening and 7:30 AM PST. You’ll get a daily Slack update with progress, and we record Loom videos for async reviews. If you need a live call, we schedule it during your morning or our evening, so there’s always a 12-hour window for urgent issues. Antioch brokers tell us this asynchronous workflow is more reliable than working with agencies that promise a ‘US-based team’ but can’t meet their deadlines.

Get a portal built for Antioch

Tell us what’s slowing you down, double-booked showings, manual data entry, or lost leads, and we’ll show you how a custom portal fixes it. No generic pitch, just a clear path to a working system.

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