Commercial Window Cleaning · Concord, MA
Commercial Window Cleaning in Concord, MA
Storefront glass from $50, on whatever schedule suits the business. Buildings up to five stories. COI, workers’ compensation and net-30 invoicing.
At Joslin & Co, we clean commercial glass for businesses and property owners in Concord, Massachusetts. Storefront window cleaning starts at $50 per visit, we work buildings up to five stories, and we invoice net-30. Call and we can put a number on a storefront on the phone.
There are really two commercial services hiding under one name. One is street-level frontage, which is quick, repeats well, and works best on a standing interval, anything from weekly to quarterly depending on the business. The other is a building, which is a project rather than a visit and gets quoted as one. Almost every question we ask on the first call is aimed at working out which of the two you need.
What you get
What a commercial job covers
Set out plainly so you can hold it against another quote.
| Covered | Detail |
|---|---|
| Exterior glass | Storefront, entrance glass and windows up to five stories |
| Interior glass | Cleaned by hand, arranged around your opening hours |
| Screens | Where a building has them |
| Storm windows | Cleaned including the glass behind the storm, which matters on older mixed-use buildings |
If there is something on the building you want looked at that is not on that list, ask on the call. We would rather tell you it is a separate service than have it turn up as a line on an invoice.
What a property manager checks
The paperwork, before the glass
Any business buying a recurring service has a short list it runs through before the work is worth discussing. Here is ours, answered up front rather than after you ask.
| What you need | What we have |
|---|---|
| Certificate of insurance | Available on request, for your file |
| General liability | $1,000,000 |
| Workers’ compensation | Carried. Separate policy from liability, and the one that matters if somebody is hurt on your property |
| Uniformed technicians | Yes. Your staff and customers can tell who we are |
| Invoicing terms | Net-30 |
| A real office to call | 61 Appleton Rd Unit 8, New Ipswich, NH 03071, and (978) 340-3890 reaches a person |
That list is what makes a small operator approvable rather than a risk. Note especially that general liability and workers’ compensation are two different policies. Asking a contractor whether they are insured gets you a yes either way, so ask for both by name.
Where we stop
Five stories, and we will say so if your building is taller
We work up to five stories and no higher. A taller building is not our job, and you will hear that on the phone rather than after somebody has driven out to look at it.
Being specific about the limit matters more than it might seem. Height is the point where this trade stops being about how clean the glass looks and starts being about whether anyone gets hurt. A company that never turns work down is worth a second thought. Within five stories we are equipped and insured, and that is the honest boundary.
What it costs
Storefront window cleaning in Concord, MA starts at $50 a visit
We publish that because most window cleaning companies publish nothing at all, and a business owner deciding whether this is worth a phone call deserves a number. $50 is the entry price for a storefront visit, not an average and not a quote for a building.
| What moves it | Why |
|---|---|
| How much frontage there is | The main driver on street-level glass |
| Inside as well as outside | Interior work has to fit your opening hours |
| How often we come | Glass on a schedule takes less time per visit than glass left for a year |
| Ground level or above it | Once glass is off the ground it stops being storefront work |
| Condition of the glass | Mineral scale or construction residue is removal work, not cleaning |
| Number of sites | Several locations on one route are quoted differently from one |
For a building rather than a frontage, the quote is per building. There is no honest starting price for that work because the variables swamp it, so we ask questions first and give a figure after.
How it works
One visit, not two
The usual way this goes is that somebody comes out to look, gives you a number, and then books a second appointment to do the work. For a business that is two interruptions instead of one.
Ours is a single visit. The estimate happens on the call, the firm price is confirmed once we are looking at the glass, and on most jobs we do the work then and there. The question we ask before any other on commercial is what hours you keep, since the whole point is that this does not interrupt trading.
| Step | What happens |
|---|---|
| 1. You call or send the form | We go through what is there before anyone gets in a van |
| 2. We give you an estimate on the call | A real number to work from. Storefront starts at $50 |
| 3. We come out and confirm the price | Looking at the actual glass, before anything starts |
| 4. We do the job that visit | On most jobs the work happens the same time we come out |
We message the day before. Crews stay with the same site rather than rotating, so by the second or third visit they know your hours, how to get in, and which entrance not to block.
How often
Storefront on a route, multi-story as a project
Interval is driven by two things: how quickly the glass gets marked, and how much it matters that it looks right. Between those, most commercial work sits in a weekly to quarterly range.
| Type of glass | Typical rhythm | Why |
|---|---|---|
| Street-level retail frontage | Weekly to monthly | It is the first thing a customer sees and it gets handled all day |
| Office and professional suites | Monthly to quarterly | Less traffic on the glass, and appearance still matters to visitors |
| Multi-story building glass | Infrequent, project-based | Bigger job, quoted per building rather than per visit |
Recurring work pays off twice. Maintained glass takes less time per visit than glass left for a year, and the arrangement runs itself, which removes the part businesses actually find annoying: remembering to call.
The schedule runs without prompting and billing is net-30, which keeps it inside the process your accounts team already uses.
Working in Concord, MA
A small stock, older buildings, and work that suits a route
Concord, MA has one of the smaller housing stocks we cover and one of the more detached, at 68.6%. It is also genuinely old, with 22.6% built before 1940. Commercial work here is street-level and small-building rather than managed multi-family.

Older commercial and mixed-use buildings bring storm windows and true divided sashes onto frontage, both of which are slow per opening and both of which get quietly left out of quotes elsewhere. We clean storms including the glass behind them, and they get counted up front.
For a single site the arrangement that works best is a repeating visit at whatever interval suits you, from $50, invoiced net-30. If you have more than one location, say so, because several sites on one route are quoted differently from one.
Before you hire anyone
Ask for both policies by name, not just “are you insured”
The word insured is doing two jobs, and for a business the difference between them is what your own policy ends up caring about.
General liability pays for damage to your property. Workers’ compensation pays for the person doing the work if they are hurt while they are there. Two separate policies, and a company can carry one without the other.
The building and its glass are covered by general liability. The person up the ladder is covered by workers’ compensation. Where a contractor carries no second policy and somebody is injured on your premises, the exposure does not simply stay with them. That gap is common enough to be worth asking about directly.
We carry both. $1,000,000 in general liability and workers’ compensation, and a certificate of insurance is available on request. Ask us for it, and ask everyone else for it too.
Nico Joslin has cleaned windows for ten years and started Joslin & Co in March 2024. It is family-owned and owner-operated, and it runs out of 61 Appleton Rd Unit 8, New Ipswich, NH 03071, which is a real address with a real phone behind it.
Questions
Common questions about commercial window cleaning in Concord, MA
How much is commercial window cleaning in Concord, MA?
Storefront window cleaning starts at $50 a visit. What moves it is how much frontage there is, whether you want the inside done, how often we come, and the condition of the glass. Multi-story buildings are quoted per building rather than from a starting price.
How tall a building can you do?
Five stories. If yours is taller we will say so on the first call rather than after a site visit.
Can you work outside our opening hours?
Tell us your hours on the call and we will build the visit around them. For retail frontage the usual answer is before opening. It is the first thing we ask about on commercial work.
Do you invoice, or do you want paying on the day?
We invoice on net-30 terms, so it goes through your accounts payable like any other supplier.
Can we get a certificate of insurance?
Yes, on request, for your file. $1,000,000 general liability plus workers’ compensation. They are separate policies and it is worth asking any contractor for both by name.
How often should storefront glass be done?
Weekly to monthly for street-level retail, monthly to quarterly for offices and professional suites. Glass kept on a schedule is quicker per visit than glass left for a year, so the interval partly pays for itself.
Do you do more than one location?
Yes. Several sites on one route get quoted differently from a single location, so tell us how many and roughly where on the first call.
Will it be the same crew each time?
Yes. The same cleaners come back to the same site, which on a recurring schedule means they already know your access and your hours.
The glass is stained and cleaning has not fixed it.
Then it is probably mineral scale rather than dirt, which needs polishing rather than washing, or construction residue left bonded to the surface. Both are separate services and both are quoted after we have seen it.
Coverage
Concord, MA and the wider service area
Joslin & Co works out of New Ipswich, New Hampshire, across southern New Hampshire and north-central Massachusetts. Acton, MA and Marlborough, MA are also in the service area, and the full list is on the service areas page. If your town is not on it, ask.
Residential window cleaning in Concord, MA
Glass inside and out, screens and storm windows, from $250.
Post construction window cleaning in Concord, MA
Paint, mortar and adhesive bonded to glass after a build.
Hard water stain removal in Concord, MA
Mineral scale that a wash will not lift.
Commercial window cleaning
How the service works across the whole service area.
Get a price for your Concord, MA property
Call and we will give you a number on the phone. Storefront starts at $50 a visit, buildings up to five stories are quoted per building, and we invoice net-30.