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Mixed-Use Building with Retail Space
For Sale
$1,495,000

3 Main Street, Castine, ME 04421

Commercial Sale, Castine, ME

Property Size5,000 SF
Lot Size0.10 Acres
Price / SF$299
Days on Market254

Property Features for 3 Main Street

General Information

Property type Commercial Sale
Property subtype Other
Zoning Commercial
Rooms Basement
Parking features None
Basement Unfinished, Partial
Lot features Water View, Business District, Near Shopping
Standard status Active
Size 5,000 SF
Lot size 0.10 Acres

Taxes and HOA fees

Tax Year 2023
Tax Annual Amount 4451

Utilities

Sewer type Public Sewer
Heating system Heat Pump (Heating)
Water source Public

Building Details

Flooring type Vinyl, Wood
Building materials Clapboard
Roof type Shingle
Listing Agency: Saltmeadow Properties, Inc.
Listed By: Karen Koos
Added: Jan 7 Changed: Sep 12 Last Checked: Sep 18 at 5:06PM
MLS# 1607988

Copyright © 2026 Maine Listings. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Investment Insights

Based on property information with market context.

This 5,000-square-foot mixed-use building combines three commercial spaces with four residential units across the upper floors. The property has occupied the village setting since 1765 and includes clapboard construction, vinyl and wood flooring, heat-pump heating, a shingle roof, and a basement. Public water and public sewer serve the building, while on-site parking is not provided.

The property occupies a corner at Main Street and Water Street in Castine, positioned near the town dock and along Main Street. Its location provides visibility toward waterfront activity and supports a combination of commercial and residential occupancy within a compact 0.1-acre parcel.

Key Highlights

  • 5,000‑square‑foot mixed‑use building
  • Three commercial spaces and four residential units
  • Building has stood since 1765

Property Analytics

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Current Use

Ebee's Sweets Bakery Compass Rose Books (Bike/Boat/Book/etc) Store The Breeze & Castine Variety Restaurant

Lease Details

4
Residential units
Multi-tenant
Tenancy
Yes
Paved road access

Location Intelligence

Trade Area within ½ mile

128
Businesses Nearby

Demographics for 04421, ME

1,320
Population
694
Households
1.9
Avg Household Size
27
Median Age
76%
College-Educated
100%
High-School Grad
7.8 sq mi
ZIP Area
169
Density / Sq Mi
$111,500
Median Household Income
$9,794
Median Earnings
$1,028
Median Rent
$557,700
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
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Frequently Asked Questions

What type of property is this?
Mixed-use property - Three commercial spaces and four residential units create a flexible mixed-use configuration in a village-center setting.
Where is this mixed-use property located?
The property is located at 3 Main Street Castine, ME.
What is the asking price?
The asking price for this property is $1,495,000.
What are key features of this property?
This property features: 5,000‑square‑foot mixed‑use building; Three commercial spaces and four residential units; Building has stood since 1765
More about this property
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