5 No-Drill Smart Locks for Renters (2026): True Retrofits + One Replacement
Yes — you can get a smart lock as a renter without drilling a single hole. True retrofit locks clamp or stick onto your existing deadbolt and keep your landlord’s key working, and we have rounded up the five bes no-drill options for 2026. Ring is entering the smart-lock category with a hand-crank deadbolt due early 2027 — here’s everything we know about the Ring Smart Lock.
Published 28 September 2026 · Updated 28 September 2026
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The direct answer: which renter lock should you buy?
- Best overall retrofit: August Wi-Fi Smart Lock (4th Gen) — clamps over your existing deadbolt,keeps the landlord’s key working, built-in Wi-Fi, HomeKit support. From ~$117.
- Best budget retrofit: SwitchBot Lock — $99.99, sticks on with 3M VHB tape and turns your existing thumb-turn. No keyway changes at all.
- Best invisible design (⚠️ end-of-life inventory — see risk note below): Level Lock+ — replaces the deadbolt inside your existing bore hole (no new holes), totally hidden, Apple Home Key. $329 list, often ~$264 on clearance.
- Best for EU/UK renters: Nuki Smart Lock Pro (5th Gen) — €269, fits over existing Euro-profile cylinders, Matter over Thread + built-in Wi-Fi.
- Best Matter lock for EU/UK: Yale Linus L2 — ~£220, Matter over Thread, rechargeable battery.
The honesty box other roundups skip: many “renter-friendly” lists include full deadbolt replacements and call them “no-drill.” A replacement still removes your landlord’s lock — you just don’t drill new holes. Below, we separate true retrofits (landlord’s hardware stays put) from bore-hole replacements (landlord’s lock comes off, keep it in a drawer for move-out).
Key Takeaways
- True retrofit locks (August, SwitchBot, Nuki, Yale Linus L2) leave your landlord’s deadbolt untouched — the safest choice for strict leases.
- August Wi-Fi (4th Gen) is the best all-rounder for US renters: true retrofit, built-in Wi-Fi and native HomeKit, from ~$123.
- SwitchBot Lock is the cheapest true retrofit at $99.99 — tape-on install with zero screws, but budget for the hub if you want remote access.
- Level Lock+ is a bore-hole replacement, not a retrofit — and with end-of-life inventory plus cloud-service risk, get written landlord permission before buying.
True retrofit vs. bore-hole replacement: know the difference
| True retrofit | Bore-hole replacement | |
|---|---|---|
| Landlord’s deadbolt stays installed? | Yes — lock clamps or sticks onto the interior side | No — you remove it and install the smart lock in the same hole |
| Exterior/key access | Unchanged — landlord’s key still works | Changed — you keep the original to reinstall at move-out |
| New holes drilled? | No | No (uses the existing bore) |
| Lease risk | Near zero | Low, but nonzero — get written permission |
| Examples | August Wi-Fi, SwitchBot, Nuki, Yale Linus L2 | Level Lock+ |
Both are “no-drill.” Only the first category leaves the exterior of your door untouched — no new holes anywhere.
The 5 locks, compared
| August Wi-Fi (4th Gen) | SwitchBot Lock | Level Lock+ | Nuki Pro (5th Gen) | Yale Linus L2 | |
|---|---|---|---|---|---|
| Type | True retrofit (interior clamp) | True retrofit (3M VHB + thumb-turn adapter) | Bore-hole replacement | True retrofit (over Euro cylinder) | True retrofit (over Euro cylinder) |
| Typical price | From ~$123 | $99.99 | $329 (clearance ~$263.99) | €269 / ~£229 | ~£220 (~$290) |
| Region | US (standard deadbolts) | Universal thumb-turns | US (standard bore) | EU/UK only | EU/UK only — no US availability (Yale’s US line is the Assure series) |
| Connectivity | Wi-Fi built in + Bluetooth | Bluetooth (+ hub for Wi-Fi/voice) | Bluetooth (+ hub for remote) | Wi-Fi built in + Matter over Thread | Wi-Fi built in + Matter over Thread |
| Apple Home / HomeKit | Yes | Via Matter (Hub Mini bridge — not native) | Yes — Apple Home Key | Via Matter | Via Matter |
| Battery | 2× CR123A, 3–6 mo claimed | 2× CR123A, ~6 mo claimed (10 uses/day) | 1× CR2, 6–12 mo claimed | Rechargeable (USB-C) | Rechargeable (USB-C), 6–9 mo claimed |
| Keypad option | August Keypad (add-on) | SwitchBot Keypad / Keypad Touch | Level Keypad (add-on) | Nuki Keypad 2.0 (add-on) | Yale Smart Keypad (add-on) |
| Exterior change | None | None | None visible (hidden inside door) | None | None |
Sources: TechRadar — SwitchBot Lock review; CNN Underscored — best smart locks; Nuki — Smart Lock Pro 5th Gen; T3 — Nuki Go pricing; TechRadar — Yale Linus L2 Lite; Best Buy — Level Lock+ (Replacement Deadbolt).
August Wi-Fi Smart Lock (4th Gen) — best overall retrofit
From ~$123
August invented this category and still defines it. The 4th-gen Wi-Fi model clamps onto the interior side of your existing deadbolt — the exterior, the keyway, and the landlord’s key all stay exactly as they were. Installation is a screwdriver job, roughly ten minutes.
Why it wins: built-in Wi-Fi (no bridge needed for remote access), DoorSense open/closed detection, auto-unlock geofencing that reviewers have singled out as a highlight, and native HomeKit support — the rare retrofit that plays nicely with Apple Home out of the box. Guest access via the August app is the most polished in the category.
The catch — battery life. This is the Wi-Fi tax. August’s official figure is 3–6 months depending on usage (2× CR123A), but Wi-Fi is power-hungry, and real-world results often land near the 3-month end of that range — less if your lock struggles to hold a Wi-Fi connection. August itself says connection quality is the biggest factor in battery drain. CR123As cost ~$8–10 a pair and aren’t as easy to find as AAs. Budget for 3–4 battery swaps a year, or keep rechargeables on rotation. The magnetic battery cover makes swaps painless, at least.
Verdict: the safest recommendation for US renters. Mature app, real HomeKit, true zero-change install. Just go in eyes-open about batteries.
Pros
- True retrofit — clamps onto your existing deadbolt, landlord’s key keeps working
- Built-in Wi-Fi and native HomeKit with the most polished app in the category
Cons
- Battery-hungry Wi-Fi: real-world life often lands near 3 months
- CR123A cells cost ~$8–10 a pair and aren’t as easy to find as AAs
SwitchBot Lock — best budget retrofit
$99.99
The SwitchBot Lock is the most renter-pure product here: it attaches to your door with 3M VHB tape and a thumb-turn adapter, then physically rotates your existing thumb-turn. Your key works from outside exactly as before. Nothing is unscrewed, nothing is replaced — peel it off at move-out and the door is untouched.
Why it wins on budget: it’s the cheapest true retrofit from a reputable brand, and the system is modular — add the SwitchBot Keypad for codes, the Hub for Wi-Fi/voice control. SwitchBot claims ~6 months from two CR123As (manufacturer estimate — independent long-term data is limited), and reviewers flag that the pricier CR123A cells are worth budgeting for.
The catches: it’s bulky on the door (function over form), there’s no Apple Home Key support, the app is widely described as merely adequate, and remote access/voice control requires the separate SwitchBot Hub. If you’re deep in Apple Home, August or Level is the smoother fit.
Verdict: maximum renter-safety per dollar. If your lease is strict and your budget is tight, this is the one.
Pros
- Cheapest true retrofit at $99.99 — maximum renter-safety per dollar
- Tape-on install with zero screws; landlord’s key keeps working
Cons
- Bulky on the door and no Apple Home Key support
- Remote access and voice control need the separate SwitchBot Hub
Level Lock+ — best invisible design (bore-hole replacement, not a retrofit)
$329 list; ~$263.99 on clearance
⚠️ Level company risk — read before buying. In June 2026, Assa Abloy laid off most of Level Home’s staff — including co-founders John Martin and Ken Goto and most of the engineering team — and restructured the business (initially reported as being folded into Kwikset; Assa Abloy later said the Level and Kwikset brands will remain separate). Per AppleInsider: “Basic locking and unlocking through Apple Home and Matter should continue… Features such as the mobile app, auto-unlock, and door status updates still depend on the company’s online services.” Translation: local lock/unlock via Apple Home and Matter should keep working, but the cloud features (Level app, auto-unlock, door status) could stop working if Level’s online services are ever shut down. Assa Abloy says it will keep supporting the brand — but combined with deep clearance pricing, Level Lock+ is currently a buy-at-your-own-risk pick.
End-of-life inventory (Sept 2026): Best Buy lists both Level Lock+ SKUs as “no longer available in new condition” — only third-party stock remains, which is typical of a product in its end-of-life inventory phase. Cloud services are still online and Assa Abloy states it will keep supporting the brand, but do not buy Level Lock+ as a stable long-term pick.
Level Lock+ deserves its reputation: it’s completely invisible — the electronics hide inside the door, and all anyone sees is a normal-looking deadbolt. It supports Apple Home Key (tap your iPhone or Watch), which no true retrofit in this roundup offers.
The correction: Best Buy lists this product explicitly as a “Replacement Deadbolt.” It uses your door’s existing bore hole, so no new drilling — but your landlord’s deadbolt comes off and goes in a drawer until move-out. Calling it a “renter retrofit” without that qualifier is exactly the mislabeling this article exists to fix. It’s low-risk (reinstall the original in 15 minutes when you leave), but get your landlord’s okay in writing first.
Battery reality: a single CR2 cell, with Level claiming 6–12 months. Bluetooth-only operation sips power; adding the Connect hub for remote access increases drain. No verified long-term owner data is available at this time — treat the claimed range as an upper bound.
Verdict: the best-looking, most Apple-integrated option — as long as you understand it’s a replacement, not a retrofit, and you’re comfortable buying end-of-life inventory (see the risk note above).
Pros
- Completely invisible — electronics hide inside the door
- Apple Home Key support no true retrofit offers
Cons
- Bore-hole replacement, not a retrofit — get written landlord permission
- End-of-life inventory with cloud-service risk; $329 list price
Nuki Smart Lock Pro (5th Gen) — best for EU/UK renters
€269 / ~£229
Nuki is the European answer to August: it mounts over your existing Euro-profile cylinder on the interior side, so the landlord’s key keeps working from outside. The 5th-gen Pro adds Matter over Thread plus built-in Wi-Fi, a rechargeable battery (USB-C), and a much smaller body than its predecessors. A cheaper Nuki Go (€149, 4× AA) covers the basics.
The catch for this audience: Nuki is engineered for European door cylinders. If you’re in the US with a standard deadbolt, it’s not your product — August and SwitchBot are. If you’re in the UK or EU, it’s arguably the best-engineered retrofit on the market.
Verdict: the EU/UK renter’s default. Matter support makes it the most future-proof pick in this roundup.
Pros
- Matter over Thread plus built-in Wi-Fi in a much smaller body
- Rechargeable USB-C battery; landlord’s key keeps working
Cons
- EU/UK cylinders only — not for US deadbolts
- €269 is premium; keypad sold separately
Yale Linus L2 — best Matter lock for EU/UK
~£220 (~$290)
Yale’s Linus L2 is another interior-side retrofit for compatible European cylinders, with built-in Wi-Fi, Matter over Thread, and a rechargeable battery Yale rates at 6–9 months on Wi-Fi (up to ~12 on Bluetooth). DoorSense-style open/closed detection is included. A budget Linus L2 Lite (£129.98, launched December 2025 in the UK) trades the rechargeable pack for 3× CR123A cells (~6 months) and drops a few premium features.
Verdict: Yale’s brand trust and Matter support make this the “safe pair of hands” EU pick. US renters should stick with August.
Pros
- Matter over Thread plus built-in Wi-Fi — the most future-proof connectivity here
- Rechargeable battery (6–9 months on Wi-Fi) and trusted Yale build quality
Cons
- EU/UK cylinders only — US renters need the Assure series instead
- Around £220; the cheaper Lite drops the rechargeable pack
Battery reality check: claimed vs. owner-reported
| Lock | Manufacturer claim | Owner-reported (reviews/forums) |
|---|---|---|
| August Wi-Fi 4th Gen | 3–6 months depending on usage (2× CR123A) | Tends toward ~3 months with weak Wi-Fi (August cites connection quality as the top drain factor) |
| SwitchBot Lock | ~6 months (2× CR123A, manufacturer claim) | No verified long-term independent data; CR123A cell cost is the common review complaint |
| Level Lock+ | 6–12 months (1× CR2) | No verified long-term data; treat claim as an upper bound |
| Nuki Pro 5th Gen | Rechargeable (USB-C fast charge) | Too new for long-term data |
| Yale Linus L2 | 6–9 mo Wi-Fi / ~12 mo Bluetooth (rechargeable) | Limited long-term data |
The pattern: Wi-Fi-connected locks eat batteries; Bluetooth/Thread locks sip them. If you hate battery swaps, prefer Thread/Matter models or keep a spare set of cells in a drawer. Never let a lock die completely without a backup entry plan — keep the physical key on you. If your batteries are draining faster than they should, see why smart lock batteries drain fast — and the nine fixes that work.
Scenario verdicts
- “My lease forbids any lock changes.” → SwitchBot Lock. Tape-on, zero screws, zero ambiguity.
- “I want the best all-rounder and I’m in the US.” → August Wi-Fi 4th Gen. True retrofit, HomeKit, mature app — just budget for batteries.
- “I’m all-in on iPhone and want it invisible.” → Level Lock+. Apple Home Key is unmatched — but it’s a replacement, so get written landlord permission, and read the company-risk note above before buying at clearance.
- “I’m in the UK/EU.” → Nuki Pro 5th Gen for the best tech, Yale Linus L2 for the safest brand bet, Linus L2 Lite if £130 is your ceiling.
- “I want Matter future-proofing.” → Nuki Pro or Yale Linus L2 (EU/UK); in the US, wait — Matter-over-Thread retrofit deadbolts for the US market are still thin in 2026.
Renter install checklist (no-drill)
- Photo the existing hardware before touching anything — your move-out evidence.
- Check compatibility lists (August, SwitchBot, and Nuki all publish them) — thumb-turn shape and backset matter.
- Keep the landlord’s key working — test it from outside after install.
- For replacements (Level): bag, label, and store every original screw and plate.
- Battery plan: set a recurring phone reminder at 80% of the claimed life, not 100%.
For window coverings that suit renters, see renter-friendly automated blinds.
Related reading: Do smart locks work without Wi-Fi? · How to install a smart lock on a metal door
See also our best video doorbell for apartments.
Your next step
- Best Smart Bulbs for Renters (No Hub): 8 No-Hub Picks for 2026 — Continue the renter upgrades with 8 no-hub smart bulbs.
- Do Smart Locks Work Without Wi-Fi? (2026 Guide) — Check what your new lock can do when the Wi-Fi drops.
- How to Install a Smart Lock on a Metal/Steel Door (2026 Guide) — Fitting advice for the trickiest doors.
Frequently asked questions
Can I install a smart lock in a rental without drilling?
Yes. True retrofit locks like the August Wi-Fi (4th Gen), SwitchBot Lock, Nuki Pro and Yale Linus L2 clamp or stick onto the interior side of your existing deadbolt — no new holes, and your landlord’s key keeps working from outside.
Will my landlord’s key still work after I install a smart lock?
With a true retrofit, yes — the exterior, keyway and landlord’s key are untouched. With a bore-hole replacement like the Level Lock+, the original deadbolt comes off, so keep it (and every screw) in a labelled bag to reinstall at move-out.
Do I need my landlord’s permission for a no-drill smart lock?
For true retrofits the lease risk is near zero, but check your lease. For bore-hole replacements, get written permission first — you’re removing the landlord’s hardware, even though no new holes are drilled.
Which no-drill smart lock is best for US renters?
The August Wi-Fi Smart Lock (4th Gen) — a true retrofit from ~$123 with built-in Wi-Fi, native HomeKit and the most polished app. On a tight budget, the $99.99 SwitchBot Lock is the most renter-pure option.
How long do the batteries last in these smart locks?
Wi-Fi locks are hungry: August claims 3–6 months but real-world use often lands near 3 months. Bluetooth/Thread models sip power — Nuki and Yale’s rechargeable packs last 6–9 months. Keep the physical key on you and never let the lock die completely.
Recent updates
- 28 September 2026 — Restructured with Key Takeaways, quick list and FAQ; re-verified specs and prices.
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