
I dove deep into the Zillow Home Value Index data to uncover the financial story behind Maine’s real estate market. What I found was a tale of coastal wealth and urban renaissance that’s reshaping the state’s property landscape.
The numbers reveal a striking pattern: waterfront communities like Ocean Park and Bailey Island have maintained their premium positions, while Portland’s urban neighborhoods are showing some of the most impressive appreciation rates since 2010. Many Portland neighborhoods have more than doubled in value over the past 15 years.
The most dramatic growth stories are happening where ocean access meets urban amenities. East End and Downtown Portland stand out with 15-year appreciation rates exceeding 170%, outperforming many traditionally exclusive coastal enclaves.
25. Nasons Corner

- 2025 Home Value: $501,917
- 2020 Home Value: $298,166
- 2015 Home Value: $209,066
- 2010 Home Value: $193,942
- % Change (2010–2025): 158.8%
- % Change (2015–2025): 140.1%
- % Change (2020–2025): 68.3%
Nasons Corner’s 158.8% appreciation since 2010 exemplifies Portland’s rising market, with property values more than doubling from $193,942 to $501,917 in just 15 years. This western Portland neighborhood in Cumberland County has seen particularly strong gains since 2020, with a 68.3% jump during the post-pandemic market surge. The area offers exceptional value relative to other Portland neighborhoods while maintaining proximity to city amenities.
24. Valley Street

- 2025 Home Value: $511,553
- 2020 Home Value: N/A
- 2015 Home Value: N/A
- 2010 Home Value: N/A
- % Change (2010–2025): N/A
- % Change (2015–2025): N/A
- % Change (2020–2025): N/A
Valley Street has emerged as a significant player in Portland’s real estate market, commanding a substantial $511,553 average home value in 2025 despite limited historical data. The neighborhood’s relatively recent appearance in valuation metrics suggests it’s experiencing newfound demand and development. Located near Portland’s downtown core in Cumberland County, Valley Street represents the evolving urban landscape that’s reshaping Maine’s property market dynamics.
23. North Deering

- 2025 Home Value: $516,609
- 2020 Home Value: $308,791
- 2015 Home Value: $225,766
- 2010 Home Value: $211,789
- % Change (2010–2025): 143.9%
- % Change (2015–2025): 128.8%
- % Change (2020–2025): 67.3%
North Deering’s investment profile showcases steady appreciation, with values climbing from $211,789 in 2010 to $516,609 in 2025, representing a solid 143.9% return. The neighborhood has demonstrated remarkable acceleration since 2020, adding over $200,000 in average value during the five-year pandemic recovery period. Situated in Portland’s northern reaches within Cumberland County, North Deering offers a suburban feel while maintaining urban connectivity.
22. West Bayside

- 2025 Home Value: $526,969
- 2020 Home Value: $337,817
- 2015 Home Value: $252,475
- 2010 Home Value: $233,170
- % Change (2010–2025): 126.0%
- % Change (2015–2025): 108.7%
- % Change (2020–2025): 56.0%
West Bayside’s financial trajectory reveals consistent growth from $233,170 in 2010 to $526,969 in 2025, yielding a 126% increase for long-term property holders. The neighborhood’s appreciation curve accelerated between 2020 and 2025, adding nearly $190,000 in average value during this high-demand period. This centrally located Portland district in Cumberland County has transformed from an overlooked area into a sought-after urban hub with proximity to both downtown amenities and the waterfront.
21. South Eliot

- 2025 Home Value: $569,557
- 2020 Home Value: $377,221
- 2015 Home Value: $284,988
- 2010 Home Value: $262,080
- % Change (2010–2025): 117.3%
- % Change (2015–2025): 99.9%
- % Change (2020–2025): 51.0%
South Eliot has delivered impressive returns, with property values climbing from $262,080 in 2010 to $569,557 in 2025, representing a 117.3% appreciation that outpaces many investment vehicles. The neighborhood’s growth curve shows acceleration, with the five-year period from 2020 adding over $192,000 in average home value. Located in York County along the Maine-New Hampshire border, South Eliot offers proximity to Portsmouth while maintaining Maine’s distinctive coastal character.
20. Ocean Avenue

- 2025 Home Value: $583,073
- 2020 Home Value: $350,943
- 2015 Home Value: $245,609
- 2010 Home Value: $225,853
- % Change (2010–2025): 158.2%
- % Change (2015–2025): 137.4%
- % Change (2020–2025): 66.1%
Ocean Avenue’s financial performance has been exceptional, with values soaring from $225,853 in 2010 to $583,073 in 2025, yielding a remarkable 158.2% return over the 15-year period. The neighborhood experienced particularly strong momentum between 2020-2025, gaining $232,130 during this accelerated growth phase. This desirable Portland corridor in Cumberland County connects the city’s eastern neighborhoods to the shore, offering residents both urban convenience and coastal proximity.
19. West End

- 2025 Home Value: $591,663
- 2020 Home Value: $389,438
- 2015 Home Value: $277,425
- 2010 Home Value: $239,705
- % Change (2010–2025): 146.8%
- % Change (2015–2025): 113.3%
- % Change (2020–2025): 51.9%
West End’s investment metrics show powerful long-term performance, with values rising from $239,705 in 2010 to $591,663 in 2025, yielding an impressive 146.8% appreciation. The neighborhood has added over $200,000 in value since 2020, representing a substantial 51.9% jump during this period of market intensity. Portland’s historic West End district in Cumberland County offers Victorian architecture, tree-lined streets, and walking access to downtown, creating a premium urban living environment.
18. Rosemont

- 2025 Home Value: $599,282
- 2020 Home Value: $353,684
- 2015 Home Value: $245,295
- 2010 Home Value: $228,289
- % Change (2010–2025): 162.5%
- % Change (2015–2025): 144.3%
- % Change (2020–2025): 69.4%
Rosemont has experienced remarkable financial growth, with property values surging from $228,289 in 2010 to $599,282 in 2025, representing a stellar 162.5% return for long-term holders. The neighborhood’s appreciation has accelerated dramatically since 2020, adding nearly $246,000 in just five years—a 69.4% gain during this period. This family-friendly Portland neighborhood in Cumberland County bridges the gap between urban amenities and suburban space, offering broader lots without sacrificing city access.
17. Kittery

- 2025 Home Value: $605,347
- 2020 Home Value: $373,802
- 2015 Home Value: $246,278
- 2010 Home Value: N/A
- % Change (2010–2025): N/A
- % Change (2015–2025): 145.8%
- % Change (2020–2025): 61.9%
Kittery’s investment profile reveals dramatic growth, with values soaring from $246,278 in 2015 to $605,347 in 2025, yielding an exceptional 145.8% return in just a decade. The market acceleration continued through the pandemic era, with property values increasing by nearly $232,000 since 2020. Located at Maine’s southern gateway in York County, Kittery combines coastal charm with strategic position as the first Maine town across the New Hampshire border.
16. Deering Center

- 2025 Home Value: $606,597
- 2020 Home Value: $355,594
- 2015 Home Value: $248,932
- 2010 Home Value: $229,058
- % Change (2010–2025): 164.8%
- % Change (2015–2025): 143.7%
- % Change (2020–2025): 70.6%
Deering Center’s financial evolution shows extraordinary growth, with values climbing from $229,058 in 2010 to $606,597 in 2025, representing a remarkable 164.8% return on investment. The neighborhood demonstrated particularly strong momentum after 2020, adding over $251,000 in just five years—a 70.6% surge during this period. This established Portland neighborhood in Cumberland County offers tree-lined streets with classic New England architecture and proximity to excellent schools, creating sustained demand across market cycles.
15. Oakdale

- 2025 Home Value: $611,643
- 2020 Home Value: $379,547
- 2015 Home Value: $262,023
- 2010 Home Value: $223,898
- % Change (2010–2025): 173.2%
- % Change (2015–2025): 133.4%
- % Change (2020–2025): 61.2%
Oakdale has delivered exceptional investment performance, with property values skyrocketing from $223,898 in 2010 to $611,643 in 2025—a stunning 173.2% appreciation that outperforms most financial markets. The neighborhood’s growth curve steepened after 2020, adding over $232,000 during this five-year high-demand period. Situated in Portland’s northeast section in Cumberland County, Oakdale offers proximity to both the University of Southern Maine campus and Back Cove, creating a unique blend of academic and recreational appeal.
14. East Boothbay

- 2025 Home Value: $643,477
- 2020 Home Value: $371,005
- 2015 Home Value: $309,142
- 2010 Home Value: $306,291
- % Change (2010–2025): 110.1%
- % Change (2015–2025): 108.1%
- % Change (2020–2025): 73.4%
East Boothbay’s investment trajectory shows consistent appreciation, with values more than doubling from $306,291 in 2010 to $643,477 in 2025, representing a solid 110.1% return. The most dramatic growth occurred recently, with a surprising 73.4% surge in the five years since 2020, adding over $272,000 in value. This picturesque peninsula in Lincoln County extends into the Atlantic, offering genuine coastal Maine living with deep maritime traditions and protected harbor access for boating enthusiasts.
13. Cumberland Center

- 2025 Home Value: $664,852
- 2020 Home Value: $396,041
- 2015 Home Value: $302,722
- 2010 Home Value: $283,836
- % Change (2010–2025): 134.2%
- % Change (2015–2025): 119.6%
- % Change (2020–2025): 67.9%
Cumberland Center’s financial performance has been impressive, with values increasing from $283,836 in 2010 to $664,852 in 2025, yielding a robust 134.2% return over the 15-year period. The area experienced accelerated growth after 2020, adding nearly $269,000 in just five years—a 67.9% gain during this recent market surge. Located in Cumberland County just north of Portland, this affluent community blends rural New England charm with upscale amenities and excellent schools, creating sustainable long-term value.
12. Downtown

- 2025 Home Value: $676,707
- 2020 Home Value: $444,639
- 2015 Home Value: $302,527
- 2010 Home Value: $246,408
- % Change (2010–2025): 174.6%
- % Change (2015–2025): 123.7%
- % Change (2020–2025): 52.2%
Downtown Portland’s financial story has been remarkable, with property values soaring from $246,408 in 2010 to $676,707 in 2025, representing an extraordinary 174.6% appreciation that few investment vehicles could match. The post-2020 period added over $232,000 in value—a substantial 52.2% increase during these five years. Situated in the heart of Portland in Cumberland County, the downtown district offers waterfront access, historic architecture, and Maine’s most vibrant urban amenities, driving consistent demand across changing market cycles.
11. Orr’s Island

- 2025 Home Value: $683,392
- 2020 Home Value: $397,518
- 2015 Home Value: $325,269
- 2010 Home Value: $351,322
- % Change (2010–2025): 94.5%
- % Change (2015–2025): 110.1%
- % Change (2020–2025): 71.9%
Orr’s Island has demonstrated unique investment dynamics, with property values climbing from $351,322 in 2010 to $683,392 in 2025, yielding a solid 94.5% return despite some early market fluctuations. The most impressive growth occurred after 2020, adding nearly $286,000 in just five years—a remarkable 71.9% surge. This scenic island in Harpswell, Cumberland County, is connected to the mainland by bridges while maintaining authentic coastal character, offering a genuine Maine island lifestyle without boat-only access limitations.
10. Peaks Island

- 2025 Home Value: $686,776
- 2020 Home Value: $410,811
- 2015 Home Value: $316,197
- 2010 Home Value: $317,857
- % Change (2010–2025): 116.1%
- % Change (2015–2025): 117.2%
- % Change (2020–2025): 67.2%
Peaks Island’s investment profile shows consistent strength, with values more than doubling from $317,857 in 2010 to $686,776 in 2025, representing an impressive 116.1% appreciation. The island experienced particularly strong growth after 2020, adding nearly $276,000 in just five years—a substantial 67.2% gain. Located in Casco Bay within Portland’s city limits in Cumberland County, Peaks Island offers a unique combination of island living with regular ferry service to downtown Portland, creating a distinctive lifestyle proposition that continues to attract premium buyers.
9. Cape Neddick

- 2025 Home Value: $695,937
- 2020 Home Value: $426,124
- 2015 Home Value: $336,981
- 2010 Home Value: $312,007
- % Change (2010–2025): 123.1%
- % Change (2015–2025): 106.5%
- % Change (2020–2025): 63.3%
Cape Neddick’s financial trajectory shows robust growth, with values increasing from $312,007 in 2010 to $695,937 in 2025, yielding a substantial 123.1% return over the 15-year period. The market acceleration continued through the pandemic era, with property values gaining nearly $270,000 since 2020. This coastal community in York County features some of Maine’s most picturesque coastline and the iconic Nubble Lighthouse, creating enduring appeal that transcends market cycles for both vacation properties and permanent residences.
8. East Bayside-India Street

- 2025 Home Value: $721,800
- 2020 Home Value: $503,228
- 2015 Home Value: $372,606
- 2010 Home Value: $297,143
- % Change (2010–2025): 142.9%
- % Change (2015–2025): 93.7%
- % Change (2020–2025): 43.4%
East Bayside-India Street represents Portland’s most dramatic urban revival story, with property values surging from $297,143 in 2010 to $721,800 in 2025—a remarkable 142.9% appreciation that reflects the neighborhood’s complete transformation. The post-2020 period added over $218,000 in value despite already elevated prices, demonstrating sustained premium demand. This formerly industrial district in Portland’s Cumberland County has reinvented itself with breweries, restaurants, and contemporary housing while maintaining its working waterfront heritage, creating an authentic urban experience.
7. Great Diamond Island

- 2025 Home Value: $737,093
- 2020 Home Value: $476,928
- 2015 Home Value: N/A
- 2010 Home Value: N/A
- % Change (2010–2025): N/A
- % Change (2015–2025): N/A
- % Change (2020–2025): 54.6%
Great Diamond Island has emerged as a premium real estate destination, with values climbing to an impressive $737,093 in 2025 and showing a substantial 54.6% appreciation since 2020—a gain of over $260,000 in just five years. The limited historical data suggests this island market has only recently gained widespread recognition among luxury buyers. Located in Casco Bay within Portland’s jurisdiction in Cumberland County, Great Diamond Island offers a car-free lifestyle with historic Fort McKinley buildings converted to luxury condominiums, creating a unique island living proposition.
6. Stroudwater

- 2025 Home Value: $743,024
- 2020 Home Value: $456,110
- 2015 Home Value: $341,097
- 2010 Home Value: $327,793
- % Change (2010–2025): 126.7%
- % Change (2015–2025): 117.8%
- % Change (2020–2025): 62.9%
Stroudwater’s financial performance has been exceptional, with values increasing from $327,793 in 2010 to $743,024 in 2025, yielding a robust 126.7% return over the 15-year period. The neighborhood experienced significant acceleration after 2020, adding nearly $287,000 in just five years—a dramatic 62.9% gain. This historic Portland neighborhood in Cumberland County features some of the city’s oldest architecture along the Stroudwater River, offering a unique combination of historic prestige, larger lots, and convenient access to the Maine Turnpike and Portland Jetport.
5. East End

- 2025 Home Value: $760,485
- 2020 Home Value: $492,313
- 2015 Home Value: $345,844
- 2010 Home Value: $275,583
- % Change (2010–2025): 176.0%
- % Change (2015–2025): 119.9%
- % Change (2020–2025): 54.5%
East End’s investment metrics tell a remarkable story of urban renaissance, with values skyrocketing from $275,583 in 2010 to $760,485 in 2025—an extraordinary 176.0% return that demonstrates the neighborhood’s comprehensive transformation. The post-2020 period alone added over $268,000 in value despite already elevated prices. Situated on Portland’s eastern peninsula in Cumberland County, the neighborhood offers panoramic views of Casco Bay from the Eastern Promenade park system, combining premium urban amenities with unparalleled recreational waterfront access.
4. York Harbor

- 2025 Home Value: $761,059
- 2020 Home Value: $470,748
- 2015 Home Value: $373,771
- 2010 Home Value: $357,343
- % Change (2010–2025): 113.0%
- % Change (2015–2025): 103.6%
- % Change (2020–2025): 61.7%
York Harbor’s financial trajectory showcases consistent premium valuation, with properties doubling from $357,343 in 2010 to $761,059 in 2025, representing a solid 113.0% long-term appreciation. The market gained considerable momentum after 2020, adding over $290,000 in just five years—a substantial 61.7% surge during this period. This historic harbor community in York County features classic Maine coastal elegance with grand summer “cottages” from the Gilded Age, creating an enduring blend of nautical heritage and refined architectural character.
3. Bailey Island

- 2025 Home Value: $768,096
- 2020 Home Value: $472,746
- 2015 Home Value: $370,957
- 2010 Home Value: N/A
- % Change (2010–2025): N/A
- % Change (2015–2025): 107.1%
- % Change (2020–2025): 62.5%
Bailey Island has demonstrated remarkable investment performance, with values more than doubling from $370,957 in 2015 to $768,096 in 2025, yielding an impressive 107.1% return in just ten years. The post-2020 market surge added nearly $296,000 in value—a substantial 62.5% gain during this five-year period. Connected to the mainland by the historic cribstone bridge in Harpswell, Cumberland County, this authentic fishing community offers genuine Maine coastal living with working harbors, lobster pounds, and dramatic Atlantic Ocean frontage that appeals to luxury buyers seeking authenticity.
2. Kittery Point

- 2025 Home Value: $792,952
- 2020 Home Value: $481,286
- 2015 Home Value: $361,202
- 2010 Home Value: N/A
- % Change (2010–2025): N/A
- % Change (2015–2025): 119.5%
- % Change (2020–2025): 64.8%
Kittery Point’s financial story shows exceptional growth, with property values leaping from $361,202 in 2015 to $792,952 in 2025, representing an impressive 119.5% appreciation in just a decade. The market gained tremendous momentum after 2020, adding over $311,000 in just five years—a remarkable 64.8% increase. This historic maritime community in York County features stunning water views where the Piscataqua River meets the Atlantic, combining colonial-era architecture with working waterfront and proximity to Portsmouth, creating unique cross-border appeal.
1. Ocean Park

- 2025 Home Value: $817,306
- 2020 Home Value: $492,563
- 2015 Home Value: N/A
- 2010 Home Value: N/A
- % Change (2010–2025): N/A
- % Change (2015–2025): N/A
- % Change (2020–2025): 65.9%
Ocean Park has claimed Maine’s top neighborhood value position with properties reaching an impressive $817,306 in 2025, following a remarkable 65.9% surge since 2020 that added nearly $325,000 in just five years. This exceptional growth trajectory reflects the neighborhood’s unique proposition in the luxury coastal market. Located in Old Orchard Beach in York County, Ocean Park combines classic Victorian seaside architecture with Campground Association heritage, creating a distinctive community that pairs beach access with cultural traditions dating back to the 1880s.