OFF MARKET

Off market dec 2015 for $26K

$298,508

•

2,244

sq ft

45 Union St, Warren, ME 04864

About this home

Single-familyProperty Type

1870Year Built

8.4 acresLot Size

$133Est. Price/Sq.Ft.

Listed by Jeffrey Mateja • Keller Williams Realty

Listed by Devin Fairfield • Keller Williams Realty

Bought with Timothy Payson • Better Homes & Gardens Real Estate/The Masiello Group

Redfin checked: a minute ago

•Source:MREIS #1239766

Redfin Estimate

$298,508

$273K since sold in December 2015$14K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 45.6% lower than the average sale price ($548K) of 6 comparable homes.

SOLD OCT 19, 2026
$560,000
A
3 beds1.5 baths2,218 sq ft
219 Barrett Hill Rd, Union, ME 04862
SOLD OCT 16, 2026
$265,000
B
3 beds1.5 baths1,901 sq ft
25 Wadsworth St, Thomaston, ME 04861
SOLD JUL 8, 2026
$370,000
C
3 beds2 baths1,863 sq ft
224 Tolman Rd, Warren, ME 04864
SOLD SEP 3, 2026
$400,000
D
3 beds1 bath2,093 sq ft
33 Sunset St, Thomaston, ME 04861
SOLD OCT 14, 2026
$650,000
E
3 beds2 baths3,098 sq ft
174 Barrett Hill Rd, Union, ME 04862
SOLD OCT 15, 2026
$1,045,000
F
3 beds2 baths2,316 sq ft
6 Clayton Ln, Rockland, ME 04841

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Earn from this home

Rent

$2,399/mo

Redfin rental estimate

List your home for rent

Market trends in 04864, ME

Last updated October 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-list price

96.6%

0.7% MoM

Median sale price

$392K

$115 MoM

Avg. days on market

50d

2 days MoM

Recently sold homes

2 MoM

Provided by Redfin

Sale history for 45 Union St

Year

Property tax

Land + Additions

Assessment*

2025

$4,305

$84,600 + $218,600

$303,200

2024

$4,305 (+4.6%)

$84,600 + $218,600

$303,200

2023

$4,116 (+25.0%)

$84,600 + $211,500

$296,100

2022

$3,294 (+5.3%)

$49,300 + $115,400

$164,700

2021

$3,129 (−2.1%)

$49,300 + $115,400

$164,700

2020

$3,195 (+174.7%)

$49,300 + $115,400

$164,700

2019

$1,163 (+4.4%)

$49,300 + $11,600

$60,900

2018

$1,114 (+6.4%)

$49,300 + $11,600

$60,900

2017

$1,047 (+1.2%)

$49,300 + $11,600

$60,900

2016

$1,035 (−26.3%)

$52,300 + $11,600

$63,900

2015

$1,405 (−15.0%)

$52,300 + $35,500

$87,800

2014

$1,652 (+1.3%)

$52,300 + $50,300

$102,600

2013

$1,631

$52,300 + $50,300

$102,600

Tax history for 45 Union St

Year

Property tax

Land + Additions

Assessment*

2025

$4,305

$84,600 + $218,600

$303,200

2024

$4,305 (+4.6%)

$84,600 + $218,600

$303,200

2023

$4,116 (+25.0%)

$84,600 + $211,500

$296,100

2022

$3,294 (+5.3%)

$49,300 + $115,400

$164,700

2021

$3,129 (−2.1%)

$49,300 + $115,400

$164,700

2020

$3,195 (+174.7%)

$49,300 + $115,400

$164,700

2019

$1,163 (+4.4%)

$49,300 + $11,600

$60,900

2018

$1,114 (+6.4%)

$49,300 + $11,600

$60,900

2017

$1,047 (+1.2%)

$49,300 + $11,600

$60,900

2016

$1,035 (−26.3%)

$52,300 + $11,600

$63,900

2015

$1,405 (−15.0%)

$52,300 + $35,500

$87,800

2014

$1,652 (+1.3%)

$52,300 + $50,300

$102,600

2013

$1,631

$52,300 + $50,300

$102,600

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

5.12 Acres

Year renovated

—

Sq. Ft.

2,820

Year built

1870

Style

Single Family Residential

County

Knox County

APN

401613

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 27, 2026.

Property details

Parking

Parking Information
Parking Features: Paved, On Site

Interior

Virtual Tour

Bathroom Information
# of Baths (Full): 1

Basement Information
Basement Entry: Dirt Floor, Full, Bulkhead

Interior Features
# of Rooms: 8
Flooring: Wood, Vinyl

Exterior

Building Information
Construction Materials: Wood Siding, Wood Frame
Foundation Details: Stone
Roof: Shingle
Total Building Area (Sq. Ft.): 2,244
Building Area Source: Public Records

Property Information
Property Sub Type: Single Family Residence
Year Built: 1870
Above-Grade Finished Area (Sq. Ft.): 2,244

Lot Information
Lot Size (Sq. Ft.): $365,904
Lot Size (Acres): 8.4
Lot Size Source: Public Records
Lot Features: Rolling/Sloping, Wooded, Intown
Road Surface Type: Paved
Zoning: Limited Comm/ Res

Financial

Tax Information
Annual Tax Amount: $1,652
Tax Year: 2014

Utilities

Utility Information
Has Heating
Heating: Direct Vent Heater
Sewer: Public Sewer
Utilities On: No
Water Source: Public
Water Heater: Electric

Location

HOA Information
Pets Allowed: No Restrictions

Location Information
Unparsed Address: 45 Union Street, Warren, ME 04864
Directions: From Route 90 in Warren take left onto Union Street. House is the first property on the left. Sign on property.

Public facts

Beds: 3
Baths: 1.0
Sq. Ft.: 2,820
Stories: 2.0
Lot Size: 5.12 acres
Style: Single Family Residential
Year Built: 1870
Year Renovated: —
County: Knox County
APN: 401613

Home facts updated by county records on Jul 27, 2026

Around this home

Schools

K - 12
Preschool & daycare

Warren Community School

Public PreK-6 • Assigned • 0.3mi

3/10

Medomak Middle School

Public 7-8 • Assigned • 3.4mi

6/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

4/10 Heat Factor

7 days above 86° expected this year, 16 days in 30 years

6/10 Wind Factor

68% chance of strong winds in next 30 years

1/10 Air Factor

0 unhealthy days expected this year, 0 days in 30 years

Provided by First Street

Historical weather

Warren, ME • 04864

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 7.8 hours in June and 3.5 hours in December, placing it below the U.S. average for solar exposure.

7.8 hrs

3.5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$284,000 – $344,000

Sell confidently with a local market expert in Warren. 3 minutes to get started.

Nearby similar homes

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3 beds2 baths2,688 sq ft

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9 serene acres • Full rv hookup • 3 new heat pumps

$625,000

3 beds2 baths1,801 sq ft

55 Mountain View Ext, Rockland, ME 04841

Custom kitchen • Finished basement • In-home gym area

$449,900

4 beds2 baths1,584 sq ft

24 Jefferson St, Rockland, ME 04841

7,840 sq ft lot • Parking • Built 1910

$199,999

3 beds1 bath1,080 sq ft

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Brand new walls • Brand new electrical • Brand new plumbing

Home values near 45 Union St

Data from public records.

Address	Redfin Estimate
33 Union Street, Warren, ME 6 Beds \| 2.5 Baths \| 2535 Sq. Ft.	$371,102
33 Union Street, Warren, ME 6 Beds \| 2.5 Baths \| 2535 Sq. Ft.	$392,577
306 Main Street, Warren, ME 3 Beds \| 1 Baths \| 1350 Sq. Ft.	$398,891
31 Andrews Lane, Warren, ME 5 Beds \| 3.5 Baths \| 3384 Sq. Ft.	$458,418
30 Andrews Lane, Warren, ME 3 Beds \| 1.5 Baths \| 1485 Sq. Ft.	$273,517
30 Andrews Lane, Warren, ME 3 Beds \| 1.5 Baths \| 1485 Sq. Ft.	$274,905
624 Camden Road, Warren, ME 3 Beds \| 2 Baths \| 1400 Sq. Ft.	$340,028

Address	Redfin Estimate
43 Union Street, Warren, ME 2 Beds \| 1 Baths \| 1512 Sq. Ft.	$320,433
54 Union Street, Warren, ME 3 Beds \| 2 Baths \| 1446 Sq. Ft.	$386,264
304 Main Street, Warren, ME 11 Beds \| 5 Baths \| 7410 Sq. Ft.	—
350 Main Street, Warren, ME 5 Beds \| 2 Baths \| 2000 Sq. Ft.	—
36 Andrews Lane, Warren, ME 2 Beds \| 1.5 Baths \| 1382 Sq. Ft.	$252,422
43 Andrews Lane, Warren, ME 5 Beds \| 2 Baths \| 2604 Sq. Ft.	$382,587
16 Andrews Lane, Warren, ME 3 Beds \| 2 Baths \| 924 Sq. Ft.	$229,673

Address	Redfin Estimate
54 Union Street, Warren, ME 3 Beds \| 2 Baths \| 1700 Sq. Ft.	$445,220
43 Union Street, Warren, ME 2 Beds \| 1 Baths \| 1512 Sq. Ft.	$301,520
43 Andrews Lane, Warren, ME 5 Beds \| 2 Baths \| 2604 Sq. Ft.	$374,163
16 Andrews Lane, Warren, ME 3 Beds \| 2 Baths \| 924 Sq. Ft.	$248,628
300 Main Street, Warren, ME 6 Beds \| 2 Baths \| 1632 Sq. Ft.	—
36 Andrews Lane, Warren, ME 2 Beds \| 1.5 Baths \| 1382 Sq. Ft.	$259,967
31 Andrews Lane, Warren, ME 3 Beds \| 2.5 Baths \| 1692 Sq. Ft.	$348,785

Property information provided by MREIS when last listed in 2015. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 04864, ME

Sale history for 45 Union St

Tax history for 45 Union St

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

Home values near 45 Union St

More real estate resources