Perched atop one of Union's most scenic settings, this exceptional property offers some of the town's finest westerly views, spectacular sunsets, and, on a clear day, views of Mount Washington. Set on 25 acres already divided into two lots, this private retreat is a birder's paradise with endless possibilities for a family compound, homestead, gardening, or simply enjoying the peace and beauty of Midcoast Maine. The open-beam great room is filled with warmth from a wood stove and flows into a gourmet kitchen featuring an oversized pantry, eat-in dining area, and direct access to an expansive deck where the views take center stage. A mudroom entry from the attached garage and first-floor laundry add everyday convenience. The formal dining room, anchored by a grand fireplace, is ideal for entertaining and holiday gatherings. An adjoining office offers flexibility as a potential additional bedroom. The main level also includes a guest bedroom, full bath, and a spacious primary suite with private deck access, a walk-in closet, and an en-suite bath. The walk-out lower level provides extensive storage and excellent potential for additional finished living space. An in-law apartment with a kitchenette, private bath, and separate ground-level entrance offers privacy for guests or multi-generational living. Outside, you'll find a large fenced area for pets, a detached two-car garage, storage shed, and room to roam. Located on one of Union's most picturesque roads with a beloved walking loop, this remarkable property combines privacy, breathtaking views, and exceptional flexibility in a truly unforgettable setting.
Single-familyProperty Type
1987Year Built
25.3 acresLot Size
$267Price/Sq.Ft.
3 garage spacesParking
Listed by Rachael Umstead• Lone Pine Real Estate Company
100 MILE VIEW~25 acres of lush fields/woods, open living room & kitchen great for entertaining w/ a wall of windows to take in the stunning River Valley, vaulted ceiling, cherry cabinets/built-ins. MBR suite w/ private deck, guest/in-law apt. , 4+car garages.
MREIS #899703
Jun 15, 2008
Listed
$74,500
$26/sq ft
MREIS #764853
Aug 20, 2005
Listed
$499,000
$175/sq ft
MREIS #248464
Jul 4, 1998
Listed
$310,000
$109/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$8,763 (−4.1%)
$88,700 + $570,200
$658,900
2024
$9,138 (+11.0%)
$106,300 + $425,000
$531,300
2023
$8,235 (+4.7%)
$106,300 + $425,000
$531,300
2022
$7,863 (+55.4%)
$106,300 + $425,000
$531,300
2021
$5,059 (+0.6%)
$86,800 + $192,700
$279,500
2020
$5,031 (−1.6%)
$86,800 + $192,700
$279,500
2019
$5,115 (+2.8%)
$86,800 + $192,700
$279,500
2018
$4,975 (+12.7%)
$86,800 + $192,700
$279,500
2017
$4,416 (−6.5%)
$86,800 + $192,700
$279,500
2016
$4,724 (+4.3%)
$86,800 + $192,700
$279,500
2015
$4,528 (+1.9%)
$86,800 + $192,700
$279,500
2014
$4,444
$86,800 + $192,700
$279,500
Public record
Beds
2
Baths
3
Stories
1
Lot width
—
Lot depth
—
Lot size
12.7 Acres
Year renovated
—
Finished Sq. Ft.
1,974
Unfinished Sq. Ft.
—
Total Sq. Ft.
1,974
Year built
1987
Style
Single Family Residential
County
Knox County
APN
535987
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 27, 2026.
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
3/10 Heat Factor
7 days above 89° expected this year, 15 days in 30 years
5/10 Wind Factor
26% 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
Union, ME • 04862
Average low and high temperatures (°F)
28
12
32
13
43
26
53
36
64
47
76
55
80
61
80
56
73
52
61
42
47
32
33
17
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
91/ 100
Exceptional sunlight
Sunscore
There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
10.4 hrs
6 hrs
JuneDecember
Provided by Shadowmap
Redfin Estimate for 998 Overlock Hill Rd
We cannot show automated home-value estimates for this home.
Nearby homes have recently sold between $495,000 and $1,000,000.
Nearby comparable homes
The Redfin Estimate uses 6 recent nearby sales, priced between $495K to $1.0M.