# Smart Lock & Door

**Trade:** Handyman · **Languages:** English

**Rating: 3.8/5** (low confidence) — from 5 reviews across 1 sources.
100% of sentiment-scored reviews read net-positive. Last 6 months: 3 reviews, 0 negative.

## The honest read

Smart Lock & Door is a Waltham locksmith and door-repair shop that reviewers know simply as Harry — the name customers use again and again for lock swaps, stuck doors, and hardware fixes. The company says it has been at this for 16 years, and its Thumbtack page shows a 4.8-star average across 693 ratings, with Top Pro recognition every year from 2018 through 2024.

What stands out in the reviews is how fast the response is. In an April 2025 review, a customer called on a Friday afternoon ahead of a Saturday house inspection and had Harry show up a few hours later to fix two doors and a loose banister the same day — the reviewer said you don't find a lot of people who'll do that. A more recent review, from August 2026, described a new door frame and lock installed at what the customer called reasonable pricing, and another from that same week mentioned an on-time lockout call where an extra lock was installed for an added charge.

One reviewer specifically noted the crew swept up the workspace after fixing three doors that wouldn't stay shut on an older, settling house — the kind of small detail that shows up when someone pays attention to the whole job, not just the fix.

There's nothing negative on record here, and the reviews on file lean heavily toward lock and door repair rather than bigger remodeling work — the business also lists door trim and threshold installation among its services, though that side isn't backed by reviews the way the lock and door work is.

For a stuck door, a lockout, or a lock upgrade around Waltham, the record here points to quick turnaround and attentive work. For anything bigger, it's worth confirming pricing upfront, since at least one review mentions an add-on charge for extra work.

**Strengths:**
- Same-day response — reviewers cite arrivals within hours of calling
- Door and lock repairs — consistently praised across Thumbtack reviews
- Tidy work — one reviewer noted the workspace was swept up after
- Established track record — Thumbtack Top Pro seven years running

## Claims & citations

Every claim below is backed by real evidence rows — uncited claims are dropped in code before publication.

- Based in Waltham, Massachusetts, and says it has been in business for 16 years. _(confidence: medium)_
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Thumbtack profile for Smart Lock & Door (Waltham, MA) shows a 4.8-star rating over 693 reviews, 16 years in business, Top Pro status for sev…”
- Reviewers know the business by its owner's first name, Harry. _(confidence: medium)_
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “I had a house inspection on a Saturday. Had some doors that would not close and a loose bainster. I called Harry that Friday afternoon and h…”
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Harry was quick to give us a quote and change all the locks in our new home!! Great service!!”
- In an April 2025 review, a customer described calling Friday afternoon and having Harry arrive a few hours later to fix two doors and a loose banister before a Saturday inspection. _(confidence: medium)_
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “I had a house inspection on a Saturday. Had some doors that would not close and a loose bainster. I called Harry that Friday afternoon and h…”
- An August 2026 review described a new door frame and lock installed at reasonable pricing. _(confidence: medium)_
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Very nice work on my doors needed new frame and locks very reasonable pricing as well!”
- A review described the crew sweeping up the workspace after repairing three doors that wouldn't stay closed on an older, settling house. _(confidence: medium)_
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Three doors wouldn't stay closed due to our old house settling over time. The problem was fixed very quickly and without issue. I also appre…”
- Thumbtack shows a 4.8-star rating from 693 customer ratings. _(confidence: high)_
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Thumbtack: 4.8★ from 693 ratings”
- Recognized as a Thumbtack Top Pro every year from 2018 through 2024, and has passed a background check. _(confidence: high)_
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Listed certification: Background Checked”
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Listed certification: Top Pro (2024, 2023, 2022, 2021, 2020, 2019, 2018)”
- Handles lock installation and repair, door installation and repair, and door hardware and trim work. _(confidence: high)_
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Very nice work on my doors needed new frame and locks very reasonable pricing as well!”
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “We got locked out and the gentleman arrived on time to get the door unlocked. It was convenient that he also had an extra lock to install fo…”
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Three doors wouldn't stay closed due to our old house settling over time. The problem was fixed very quickly and without issue. I also appre…”
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “I had a house inspection on a Saturday. Had some doors that would not close and a loose bainster. I called Harry that Friday afternoon and h…”
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Services offered (Thumbtack): Handyman, Lock Installation and Repair, Door Installation, Door Repair, Paint or stain the door, Install locks…”
- Specializes in Handyman _(confidence: high)_
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Very nice work on my doors needed new frame and locks very reasonable pricing as well!”
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “We got locked out and the gentleman arrived on time to get the door unlocked. It was convenient that he also had an extra lock to install fo…”
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Three doors wouldn't stay closed due to our old house settling over time. The problem was fixed very quickly and without issue. I also appre…”
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “I had a house inspection on a Saturday. Had some doors that would not close and a loose bainster. I called Harry that Friday afternoon and h…”
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Harry was quick to give us a quote and change all the locks in our new home!! Great service!!”
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Services offered (Thumbtack): Handyman, Lock Installation and Repair, Door Installation, Door Repair, Paint or stain the door, Install locks…”
- Also offers Carpentry _(confidence: low)_
  - [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110) — “Services offered (Thumbtack): Handyman, Lock Installation and Repair, Door Installation, Door Repair, Paint or stain the door, Install locks…”

## License

No license record has been checked yet for this contractor.

## Sources

- [Thumbtack](https://www.thumbtack.com/ma/waltham/locksmiths/smart-lock-door/service/229707742903977110): 4.8★ from 693 ratings

## Recent reviews

- **Thumbtack · Amanda T. · 2026-08-11**: Harry was quick to give us a quote and change all the locks in our new home!! Great service!!
- **Thumbtack · Dee j. · 2026-08-01**: Very nice work on my doors needed new frame and locks very reasonable pricing as well!
- **Thumbtack · Yamin h. · 2026-08-01**: We got locked out and the gentleman arrived on time to get the door unlocked. It was convenient that he also had an extra lock to install for an extra charge.
- **Thumbtack · James K. · 2025-05-03**: Three doors wouldn't stay closed due to our old house settling over time. The problem was fixed very quickly and without issue. I also appreciated that the workspace was swept up after finishing.
- **Thumbtack · Mark O. · 2025-04-18**: I had a house inspection on a Saturday. Had some doors that would not close and a loose bainster. I called Harry that Friday afternoon and he showed up a few hours later. He fixed both doors and the banister! You don't find a lot of people that will come do the work on the same day you call them. Ca…

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Data freshness: last scanned 2026-09-08T11:18:01.842Z.
Cite as: Smart Lock & Door — Tavlee (https://tavlee.com/contractor/smart-lock-and-door)
Source: https://tavlee.com/contractor/smart-lock-and-door