Cluster mount mailboxes are a smart, secure, and USPS-approved solution for centralized mail delivery. Whether you're managing an apartment complex, HOA, office park, or multi-unit building in Austin, these mailboxes provide efficient service for multiple users while saving space and boosting curb appeal. At Mailbox Lock Austin, we specialize in the installation and repair of cluster box units (CBUs) and pedestal-mounted mail centers, keeping your property compliant, functional, and protected from mail theft.
Our expert locksmiths handle everything from new installations and concrete base setting to lock replacement and tenant rekeying. With fast mobile response, same-day availability, and deep experience in commercial mailbox systems, we’re the trusted choice for property managers and developers throughout Austin.
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Cluster mount mailboxes are the go-to solution for multi-tenant mail delivery. Installed on a secure pedestal, these mailboxes offer multiple locked compartments in a single unit. They’re weather-resistant, tamper-proof, and built to USPS standards—making them ideal for apartment buildings, HOAs, and commercial spaces across Austin.
With less maintenance and higher security than individual mailboxes, cluster boxes help reduce theft risk and improve mail delivery efficiency. Many units also include parcel lockers for larger deliveries, improving convenience for residents and businesses alike.
Installing a cluster mount mailbox requires the following:
Our team arrives fully prepared with the proper tools and hardware, ensuring a code-compliant, permanent installation that resists shifting or damage.
We also offer lock replacement, extra key creation, and lockbox upgrades during or after the install.
Over time, even the most durable CBU can develop issues. Some of the most common we handle in Austin include:
We provide quick mobile repair service to address any of these problems and restore secure access for your tenants.
Our Austin-based locksmiths are experienced in all aspects of CBU repair, including:
If your cluster mailbox has been tampered with or stolen from, we also offer theft-response services including mail security upgrades and tamper-resistant lock options.
If more than 25% of your cluster box unit is damaged, replacement may be more cost-effective than ongoing repairs. Signs you should replace include broken pedestals, large-scale rust, non-repairable locks, or failed USPS inspections. We’ll inspect and help you decide on the most practical path.
All cluster mailboxes installed by our team meet USPS STD-4C or CBU standards. We handle spacing, parcel locker ratios, and pedestal placement based on delivery route needs. If your HOA or complex has additional guidelines, we’ll coordinate to ensure full compliance.
We also assist with USPS coordination, so once your unit is installed, the carrier can begin service without delay.
Cluster mount mailboxes are available in various finishes, configurations, and styles to match your property's design and tenant volume:
We can also compare post-mounted options and wall-mounted mailboxes for smaller setups or unique layouts.
Pricing varies based on the number of mailboxes, condition of the site, and whether a concrete pad is needed. Below is a general guide for common services. All pricing includes installation labor and on-site service.
| Service type | Price |
|---|---|
| Service Call | $29 |
| Cluster Mailbox Installation (base existing) | $175–$275 |
| New Concrete Pad + Installation | $325–$550 |
| Lock Repair or Replacement (per door) | $45–$75 |
| Duplicate Tenant Keys | $10–$20 per key |
Our technician will inspect the mailbox and provide a full quote before any work begins. We ensure you know exactly what to expect—no surprise fees.
Yes, we can install owner-purchased CBUs as long as they meet USPS approval. We’ll verify compliance and set the base correctly.
We help coordinate with the local post office. Once installed, USPS assigns keys and begins delivery after inspection.
Yes. We offer fast duplicate key cutting so tenants can have backups or replacements quickly.
Absolutely. We fix or replace locking mechanisms, hinges, and seals on parcel lockers and tenant compartments.
Yes. Most CBUs are built with aluminum and sealed doors for weather and rust resistance. We can upgrade older units with additional seals if needed.
Yes. Rekeying is one of our most requested services, especially for apartment turnarounds and office tenant changes.
Call us immediately. We offer same-day repairs and lock replacement, and can recommend tamper-resistant upgrades or reinforcement.
Yes. We help ensure ADA compliance and recommend CBUs with lower compartments when needed.
Yes. CBUs must be bolted into a solid concrete pad using anchor bolts. We ensure everything is stable and leveled.
We serve Round Rock, Leander, Buda, Lakeway, Cedar Park, and Pflugerville. Common service zip codes include 78704, 78745, 78759, 78613, and 78750.
Mailbox Lock Austin is one of the most trusted mailbox service providers in the region. With over a decade of experience, we’ve worked with HOAs, property managers, apartment developers, and local businesses across the Austin metro area.
We’re licensed, bonded, and insured. Our service vans are fully stocked for repairs, installations, and emergency lockouts. We’re rated highly on Google Maps, Yelp, BBB, and HomeAdvisor, and every job includes a 6-month warranty on labor and parts. Plus, you’ll always get honest pricing upfront—no surprises.
Cluster mailbox systems are an efficient and secure solution for modern mail delivery. From Buda to Leander, and throughout Austin neighborhoods like 78704, 78759, and 78613, we provide fast and professional service you can rely on. Call Mailbox Lock Austin today to schedule your installation or repair.
