# What You Pay for ADUs in Cambridge — Average Prices & Breakdown
_Last updated: 2026-10-05T07:43:17Z_

> In Cambridge, adu commonly costs between $1,418 and $4,396 per job, with $2,497 as the typical price.

## Typical cost at a glance

| Level | Price |
| --- | --- |
| Low | ~$1,418 |
| Typical | ~$2,497 |
| High | ~$4,396 |

_Currency: USD, per job._

## Cost by type

| Type | Low | Typical | High |
| --- | --- | --- | --- |
| Baseline transaction cost | ~$1,418 | ~$2,907 | ~$4,396 |
| Below-median price scenario | ~$1,163 | ~$2,626 | ~$4,088 |
| Above-median price scenario | ~$1,588 | ~$3,827 | ~$6,066 |
| Lender and government fees | ~$170 | ~$679 | ~$1,187 |
| Competitive or fast-moving market | ~$1,730 | ~$4,206 | ~$6,682 |

## Who sets adu prices

There is no fixed tariff for adu. The figure is set by the provider's own economics, covering labour, materials, travel and availability, so it varies by company and by season.

## Timing your adu

Urgent adu work is priced for speed: overtime, priority materials and squeezed schedules all add cost. Planning a few weeks ahead is often the simplest way to stay near $2,497.

## How to compare quotes for adu

For adu, a fair comparison means identical scope. If one quote includes permits and cleanup and another does not, the cheaper total may not be cheaper at all.

## Budgeting for adu

The easiest way to budget for adu is to anchor on $2,497 per job, then add or subtract for scope. Providers near you can tell you which end you are likely to hit.

## What moves the price of adu

Labour, materials and timing explain most of the gap between two quotes for adu. Access and preparation often matter as much as the headline task, so a job that needs extra setup or a second visit costs more even when the base price looks identical.

## What ADUs typically costs

ADUs does not carry one published price. Across Cambridge, most jobs fall between $1,418 and $4,396 per job, and the number in between, about $2,497, is the fairest single figure to plan around.

## Frequently asked questions

### How much does adu cost?

Most adu falls between $1,418 and $4,396, with a typical figure near $2,497 per job. The low end is a straightforward job with no surprises; the high end covers complex scope, premium materials or urgent timing. For Cambridge, ask a provider to put that in writing with the quote.

### What affects the price of adu?

No single factor decides it — scope, materials, access and timing all move the total, and the biggest swings usually come from access and scheduling. Providers serving Cambridge can tell you how it affects a typical job.

### Is ADUs cheaper in smaller cities?

Often, but not always. Smaller markets can carry a travel or availability premium that offsets a lower local rate, so it is worth checking a nearby city before assuming the lowest published figure applies to you. Where you are in Cambridge can change the detail, so compare nearby quotes.

### How many quotes should I get for adu?

Two or three written quotes are enough to see the real market range. Compare the same scope side by side, and ask each provider what is excluded and what would change the price after the quote is accepted. The specifics vary across Cambridge, so confirm them with the provider you hire.

## Keep comparing

- [Real Estate](/category/real-estate/)
- [Mobile Homes](/cambridge/mobile-home/)
- [Commercial Real Estate](/cambridge/commercial-real-estate/)
- [Rent to Own](/cambridge/rent-to-own/)
- [Foreclosures](/cambridge/foreclosures/)
- [Relocation Costs](/cambridge/relocation-costs/)
- [Home Warranties](/cambridge/home-warranty/)
- [Boston](/boston/accessory-dwelling/)
- [Cambridge](/cambridge/accessory-dwelling/)
- [Lowell](/lowell/accessory-dwelling/)
- [Quincy](/quincy/accessory-dwelling/)
- [Worcester](/worcester/accessory-dwelling/)

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These are planning ranges drawn from public price data and market research. They are not a quote, an offer or financial advice, and your actual price depends on the provider, the location and the scope of the work.