- Median age34
- Aged 65+12.7%
- Under 2533.1%
- Median household income$1,437/wk
- Median rent$365/wk
A trade and freight suburb where price closes the sale.
St Marys is a working suburb built on freight and trade, not one built on foot traffic. Penrith's largest industry by business count is construction, 3,981 businesses across the council area, with transport, postal and warehousing close behind on 2,101, and major freight routes pass through the wider region. The suburb itself is home to 13,256 people with a median age of 34, young enough that this reads as a suburb still filling up with renters and first-home buyers rather than one that has settled into its final shape.
St Marys' household income sits at $1,437 a week, a working wage rather than a professional one, and it shows in how people shop for tradies and services. In the ten minutes before anyone rings a builder, a removalist, a property manager or a physio, they're on their phone comparing two or three options, and price is the first thing they check, not the design. St Marys already has an estimated 1,010 local businesses trading, so there's always another option one search away. With 33.1% of residents under 25 against just 12.7% who are 65 or over, that search happens on a phone screen nearly every time, which means clear pricing, fast load times and a booking button that actually works matter more than a portfolio flex.
Three vetted Australian developers, hand-picked to a St Marys brief, quoted in writing within 24 hours. Free, no obligation.
The St Marys market, by the numbers.
Pulled from the Australian Bureau of Statistics: the 2021 Census for St Marys itself, and the latest Data by Region release (2025) for the Penrith area. This is the market your website sells into.
- Penrith total16,786
- Solo / non-employing9,474
- 1–4 staff5,408
- 5–19 staff1,478
- 20+ staff426
89% of local businesses have fewer than 5 staff. That's exactly who FindDevs was built for.
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Construction3,981
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Transport, postal & warehousing2,101
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Rental, hiring & real estate1,742
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Professional, scientific & technical services1,562
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Health care & social assistance1,154
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Other services1,120
*Suburb business estimate: LGA business count (ABS CABEE, Data by Region) apportioned by the suburb's share of the LGA population at the 2021 Census; rounded to the nearest 10. Sources: ABS Census 2021 (Suburbs and Localities), ABS Data by Region. Refreshed 2026-08-29.
What St Marys businesses actually build.
Indicative ranges from briefs like these in the FindDevs network. Your three quotes will be specific to your scope.
Built for a builder, an electrician or a plumber working construction jobs across Penrith: a quote form, a gallery of finished work and a phone number that's visible on every screen.
- Instant quote request form
- Job gallery with before/after shots
- Click-to-call on every page
- Google Business Profile setup
For a removalist, a freight broker or a warehousing operator taking bookings and quotes online instead of over the phone, with real-time availability and a dashboard for staff.
- Online quote and booking calendar
- Fleet or job status tracking
- Staff login and job dashboard
- SMS or email booking confirmations
For a physio, a GP clinic, an accountant or a mortgage broker who need online booking, secure enquiry forms and a site that reads as credible to a customer comparing three tabs at once.
- Online appointment booking
- Secure enquiry and intake forms
- Staff or practitioner profiles
- Mobile-first, fast-loading pages
Free · No signup wall · Stay anonymous if you want · 2 minutes
Local knowledge, without being stuck with one local option.
Around St Marys the problem isn't finding someone who says they build websites. It's telling who's actually good. We vet so you don't have to, then hand you three written quotes from developers matched to your exact brief, in 24 hours.
Every developer holds an ABN, works Australian hours, and passed our vetting: portfolio, communication, and references from Aussie clients. 12% acceptance rate. No offshore hand-offs.
The median age in St Marys is 34. Your customers find everything on their phones, usually in a spare minute. We match developers who build mobile-first, fast-loading pages that turn that search into a call or a booking.
The service costs you nothing. Developers cover our fee from their winning quote, never inflated into your price. And if a matched developer drops the ball mid-project, we step in. Service Guarantee, always.
St Marys questions.
Know the price before you talk to anyone.
These are published fixed-price builds, available to St Marys businesses like any other. No hourly rates, no discovery call before you can see a number.
A sharp five-page website that makes a small business look established, live in a fortnight.
See what's includedThe full small-business build: 8–12 pages, booking or quoting flows, and local SEO that actually ranks.
See what's includedThe ranking machine bolted onto your existing site: service pages, suburb pages, schema and reviews, done properly once.
See what's includedHosting, updates, backups, security and monthly changes, all handled, so your site stays fast and safe without you thinking about it.
See what's includedDevelopers who have built for your trade before.
The biggest employers around St Marys, by registered businesses in Penrith. Each one has its own page, because a cafe site and a plant-hire site are not the same job.