$843,800
Studio
2 Baths
1,300 sqft (on 0.26 acres)
21 Diamond Dr, Plainview, NY 11803
Est. Refi. Payment $5,536/mo*
Refinance Your HomeCurrently Off Market - Sold Jul 9, 1998 for $221,000
Home Value
Trulia Estimate
$844KSince last month
Decreased$13K (-1.5%)Since last year
Increased$4K (+0.4%)Since last sale
Increased$624K (+282.5%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +66% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| September 2026 | $845K |
| August 2026 | $846K |
| July 2026 | $859K |
| June 2026 | $864K |
| May 2026 | $853K |
| April 2026 | $843K |
| March 2026 | $849K |
| February 2026 | $836K |
| January 2026 | $836K |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.20 | Single-Family Home | $600,000 | 04/16/26 | 3 | 1,554 | ||
0.12 | Single-Family Home | $910,000 | 01/22/26 | 3 | 1.5 | 1,386 | |
0.11 | Single-Family Home | $796,000 | 09/16/25 | 3 | 2 | 1,204 | |
0.38 | Single-Family Home | $150,000 | 01/30/26 | 4 | 2 | 1,750 | |
0.27 | Single-Family Home | $753,000 | 03/30/26 | 3 | 2 | 1,347 | |
0.31 | Single-Family Home | $875,000 | 06/19/26 | 3 | 2 | 1,300 | |
0.19 | Single-Family Home | $700,000 | 01/16/26 | 3 | 2 | 1,090 | |
0.19 | Single-Family Home | $910,000 | 09/03/26 | 3 | 2 | 1,395 | |
0.15 | Single-Family Home | $888,000 | 04/08/26 | 3 | 2 | 1,800 | |
0.21 | Single-Family Home | $910,000 | 01/07/26 | 3 | 2 | 1,449 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.14 | $879,700 | 3 | 1 | - | Off Market | |
0.08 | $1,899,888 | 5 | 5.5 | 3,750 | For Sale | |
0.07 | $1,090,600 | 4 | 2 | - | Off Market | |
0.15 | $1,349,999 | 5 | 3 | 2,223 | For Sale | |
0.14 | $1,900,000 | 5 | 4.5 | 3,219 | Recently Sold | |
0.08 | $933,800 | 3 | 2 | 1,300 | Off Market | |
0.13 | $1,450,000 | 4 | 3.5 | 2,886 | For Sale | |
0.11 | $1,054,900 | 3 | 1.5 | 1,223 | Off Market | |
0.11 | $836,500 | 3 | 2 | 1,204 | Off Market | |
0.12 | $910,000 | 3 | 1.5 | 1,386 | Recently Sold | |
0.16 | $962,800 | 3 | 2 | 1,150 | Off Market | |
0.19 | $926,000 | 3 | 2 | 1,400 | Off Market |
Local Information
- Map ViewExplore the area around 21 Diamond Dr.
- Schools2 Elementary Schools1 Middle School1 High School
- Shop & Eat
-- mins to
Home Highlights
Single-Family Home
Built in 1953
0.26 acre lot
1,300 sqft
$649/sqft
About this House
This single-family home is located at 21 Diamond Dr, Plainview, NY. 21 Diamond Dr is in the North Plainview neighborhood in Plainview, NY and in ZIP code 11803. This property has 2 bathrooms and approximately 1,300 sqft of floor space. This property has a lot size of 0.26 acres and was built in 1953.
21 Diamond Dr, Plainview, NY 11803 is a studio, 2 bathroom, 1,300 sqft single-family home in North Plainview, built in 1953. It last sold for $221,000 on Jul 9, 1998. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $843,800, with a rent estimate of $4,646/month.
Home Details for 21 Diamond Dr
|
|---|
Levels, Entrance, & Accessibility Stories: 1 |
Interior Details Number of Rooms: 6 |
Heating & Cooling Air ConditioningCooling System: Central |
|
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Year Built Year Built: 1953 |
Property Type / Style Property Type: Single Family HomeArchitecture: Ranch / Rambler |
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Exterior Home Features Exterior: Composition |
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Units in Building: 1 |
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Lot Area: 0.26 acres |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Jul 9, 1998 Source: N/A | Sold | $221,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2024 | Unavailable | $497,000 |
Home facts updated by county records
Market trends in Plainview
Last updated August 2026
Avg. sale price
$966K
$5.83KMoM
Sale-to-List Price
101.4%
Price per sq ft
$587
$30MoM
Available listings
71
3MoM
Around this home
- H B Mattlin Middle School
- 5-8
- Public
- 783 Students
8/10GreatSchools RatingParent Rating AverageThis school is horrible my son is in special education the teacher there treaty son with disrespect,racism,rudeness. Also my son gets treated too strict.Parent Review3y ago - Judy Jacobs Parkway Elementary School
- K-4
- Public
- 467 Students
10/10GreatSchools RatingParent Rating Average
No reviews available for this school.
Neighborhood Overview
Neighborhood stats provided by third party data sources.
What Locals Say about North Plainview
At least 1 Trulia users voted on each feature.
100 % Say yards are well-kept
100 % Say parking is easy
100 % Say kids play outside
100 % Say it's dog friendly
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Frequently asked questions about 21 Diamond Dr
- What is 21 Diamond Dr estimated to be worth?Trulia's estimated value for 21 Diamond Dr in Plainview, NY is $843,800.
- What is the price history for 21 Diamond Dr?21 Diamond Dr in Plainview, NY last sold for $221,000 in July 1998.
- Is Plainview a buyer's or seller's market?Plainview is currently a seller's market, based on recent for-sale activity.
- What's the median sale price in Plainview?The median sale price in Plainview is $966K. That is down $5.83K from the prior month.
- Does 21 Diamond Dr have air conditioning?Yes, 21 Diamond Dr in Plainview, NY has air conditioning.
- How big is the lot at 21 Diamond Dr?The lot at 21 Diamond Dr in Plainview, NY is about 0.26 acres (11,200 sq ft).
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