South Valley Stream is in Nassau County. The FHA loan limit ($1,249,125 for a one-unit home), the fair market rents and the help on this page are those of all of Nassau County. See the county
What homes there are in South Valley Stream, what they cost, how that changed and how people live, from Census figures (2020–2024).
What homes there are
U.S. Census Bureau, ACS 5-year, 2020–2024
Kind of home
Detached houseAttached houseBuilding of 2 to 4Apartments (5 or more)Mobile homeBoat, RV and otherUnreliable estimate
South Valley Stream
Nassau County
New York
United States
Kind of home: South Valley Stream and its comparisons
Measure
South Valley Stream
Nassau County
New York
United States
Detached house
81%
76%
41%
61%
Attached house
Unreliable estimate
3%
6%
6%
Building of 2 to 4
Unreliable estimate
8%
17%
8%
Apartments (5 or more)
Unreliable estimate
13%
35%
19%
Mobile home
Unreliable estimate
0%
2%
6%
Boat, RV and other
Unreliable estimate
Unreliable estimate
0%
0%
The detached house rules in South Valley Stream: 81% of homes, more than in Nassau County (76%).
Year built
Before 19601960–19791980–19992000–20092010 or laterUnreliable estimate
South Valley Stream
Nassau County
New York
United States
Year built: South Valley Stream and its comparisons
Measure
South Valley Stream
Nassau County
New York
United States
Before 1960
73%
66%
52%
26%
1960–1979
21%
19%
22%
24%
1980–1999
Unreliable estimate
7%
14%
25%
2000–2009
Unreliable estimate
3%
6%
14%
2010 or later
Unreliable estimate
4%
6%
11%
The typical year built in South Valley Stream is 1956, about the same as in Nassau County (1955).
What it costs here
U.S. Census Bureau, ACS 5-year, 2020–2024
Value of owner-occupied homes
Unreliable estimate
Under $100KUnreliable
$100K–$200KUnreliable
$200K–$300KUnreliable
$300K–$500KUnreliable
$500K–$750K71%
$750K–$1M18%
$1M or moreUnreliable
Value of owner-occupied homes: South Valley Stream and its comparisons
Measure
South Valley Stream
Under $100K
Unreliable estimate
$100K–$200K
Unreliable
$200K–$300K
Unreliable
$300K–$500K
Unreliable estimate
$500K–$750K
71%
$750K–$1M
18%
$1M or more
Unreliable estimate
Monthly rent with utilities
Unreliable estimate
Under $500Unreliable
$500–$999Unreliable
$1,000–$1,499Unreliable
$1,500–$1,999Unreliable
$2,000–$2,499Unreliable
$2,500–$2,999Unreliable
$3,000 or moreUnreliable
Monthly rent with utilities: South Valley Stream and its comparisons
Measure
South Valley Stream
Under $500
Unreliable estimate
$500–$999
Unreliable estimate
$1,000–$1,499
Unreliable estimate
$1,500–$1,999
Unreliable estimate
$2,000–$2,499
Unreliable estimate
$2,500–$2,999
Unreliable estimate
$3,000 or more
Unreliable
With a mortgage
$3,919 a month
Nassau County: $3,795 a month
Owners with a mortgage
66%
Nassau County: 62%
The typical cost for an owner with a mortgage in South Valley Stream is $3,919 a month, near the figure in Nassau County ($3,795).
How it changed
U.S. Census Bureau, ACS 5-year, 2015–2019 and 2020–2024
Change since 2015–2019
Typical home value
South Valley Stream+39%
Nassau County+39%
New York+35%
United States+53%
Typical rent
South Valley StreamUnreliable
Nassau County+27%
New York+27%
United States+33%
Typical household income
South Valley StreamNo clear change
Nassau County+26%
New York+26%
United States+29%
Change since 2015–2019: South Valley Stream and its comparisons
Measure
South Valley Stream
Nassau County
New York
United States
Typical home value
+39%
+39%
+35%
+53%
Typical rent
Unreliable estimate
+27%
+27%
+33%
Typical household income
No clear change
+26%
+26%
+29%
Much as in Nassau County, the typical home value in South Valley Stream rose 39% since 2015–2019.
How people live
U.S. Census Bureau, ACS 5-year, 2020–2024
How people live: South Valley Stream and its comparisons
Measure
South Valley Stream
Nassau County
New York
United States
Rental vacancy
Unreliable estimate
4.5%
3.8%
5.5%
Homeowner vacancy
Unreliable estimate
0.7%
1.1%
0.9%
More than one person per room
Unreliable estimate
3.4%
5.3%
3.4%
People per household
3.55
2.99
2.49
2.53
Drive alone
58%
61%
49%
69%
Carpool
11%
7%
6%
9%
Public transit
Unreliable estimate
13%
22%
3%
Walk or bike
Unreliable estimate
2%
6%
3%
Work from home
22%
16%
15%
15%
Other means
Unreliable estimate
2%
2%
2%
Typical commute
Unreliable estimate
30 to 39 minutes
20 to 29 minutes
20 to 29 minutes
Households in South Valley Stream are bigger: 3.55 people on average; in Nassau County, 2.99.
Many people here do not commute at all: 22% work from home; in Nassau County, 16%.
Do the math
What would you pay each month for a home in South Valley Stream?
A typical home costs more than the typical income allows
We start with a typical home in South Valley Stream, worth $656,800, an FHA loan with 3.5% down and the latest average rate (7.18%). That payment would take 48% of the typical household income in South Valley Stream, which is $145,000 a year. For that payment to be 28% of income, a household would need to earn about $247,068 a year.
The calculator's FHA and conventional loan limits are those of all of Nassau County.
Change the price, the down payment or the loan: the payment updates right away.
Your numbers
Local data
$
Starts at the typical home value in South Valley Stream. Change it to the price you have in mind.
Your score changes which loans apply and FHA's minimum down payment. Your real rate also depends on your credit.
Down payment
%
That is $22,988 (3.5% of the price). The usual minimum for this loan is 3.5%.
This week's average ± a quarter or half point.
National average as of November 5, 2026 (Freddie Mac); your rate may be different.
Adjust advanced details⌄
Estimated monthly payment
Local data
$5,765
at 7.18% · 30 years
Loan amount
$644,904
Total interest
$927,865
Paid off in
November 2056
Includes $11,092 FHA upfront mortgage insurance premium.
Does it fit the income?
Comfortable
up to $3,383 a month
Tight
$3,383 to $4,350 a month
Hard
more than $4,350 a month
Your payment · 48%
Compared with the typical household income in South Valley Stream ($145,000 a year). Reference: HUD calls paying more than 30% of income for housing a cost burden.
Monthly payment breakdown
Principal & interest
$4,369
Property tax
$832
Home insurance
$274
FHA mortgage insurance (MIP)
$290
You need at least $22,988 for the down payment, plus closing costs.
This is an estimate to give you an idea, not a loan offer. Your real payment depends on your rate, your credit, and the insurance and taxes on the home you buy.
Total monthly payment $5,765; principal and interest $4,369.
The city and its county
South Valley Stream and Nassau County
South Valley Stream is in Nassau County, New York. The U.S. Census Bureau publishes its own numbers for the city: home values, rent, household income, how many households own their home and the property tax. They are American Community Survey estimates (average 2020–2024).
Map of Nassau County, New York, with South Valley Stream marked. Around it, the neighboring counties.
Nassau County
South Valley Stream's own numbers
Typical home value
$656,800
Typical yearly household income
$145,000
Households that own their home
85%
Effective property tax rate
1.52%
U.S. Census Bureau, American Community Survey (average 2020–2024).
Numbers for all of Nassau County
FHA limit, one-unit home
$1,249,125
Conventional limit, one unit
$1,209,750
HUD fair market rent, 2 bedrooms
$2,689
Price change over 5 years (FHFA)
+45%
Homes in a high flood-risk zone
9.6%
HUD, FHFA and FEMA don't publish these numbers by city.
Other numbers are not published by city, only for the whole county: FHA and conventional loan limits, HUD’s fair market rents, FHFA’s price index and FEMA’s flood data. On this page, those numbers always say they are for all of Nassau County.
A typical home in South Valley Stream is worth $656,800: 4% below the county and 55% above New York. With the typical household income in South Valley Stream ($145,000 a year), a typical home costs 4.5 times what the household earns in a year.
Years of income to pay for a typical home
The typical home value divided by the typical household income for one year. The lower it is, the less buying weighs.
South Valley Stream4.5 years
Nassau4.7 years
New York4.9 years
United States4.1 years
Source: U.S. Census Bureau, Average 2020–2024
How prices have changed in Nassau County
According to FHFA’s house price index, home prices in Nassau County rose 82% in the 10 years through 2025.
FHFA does not publish this index by city: these are the numbers for all of Nassau County.
Yearly change in FHFA’s price index in Nassau County, 2016 to 2025
2016: +4.1% +4.1% 2016
2017: +6.0% +6.0% 2017
2018: +6.6% +6.6% 2018
2019: +3.8% +3.8% 2019
2020: +2.8% +2.8% 2020
2021: +7.0% +7.0% 2021
2022: +11.3% +11.3% 2022
2023: +5.7% +5.7% 2023
2024: +7.4% +7.4% 2024
2025: +7.0% +7.0% 2025
Change in FHFA’s price index in Nassau County, New York and the United States
Period
County
New York
U.S.
Last year (2025)
+7.0%
+6.0%
+2.9%
5 years (2020–2025)
+45%
+52%
+47%
10 years (2015–2025)
+82%
+86%
+85%
The index follows the price of the same homes over time (sales and appraisals with Fannie Mae and Freddie Mac loans). It is not the average price of a home. FHFA considers its annual county indexes experimental. Source: FHFA, 2025 data
South Valley Stream next to Nassau County, New York and the U.S.
Three numbers side by side. “Typical” means the median: half are above it and half below.
Typical home value
South Valley Stream$656,800
Nassau$684,700
New York$423,800
United States$332,700
Typical yearly household income
South Valley Stream$145,000
Nassau$146,202
New York$85,974
United States$80,734
See the full table
South Valley Stream next to Nassau County and New York
Measure
South Valley Stream
Nassau County
New York
U.S.
Typical home value
$656,800 ▼4% below the county
$684,700
$423,800
$332,700
Typical yearly household income
$145,000
$146,202
$85,974
$80,734
Households that own their home
85% ▲3 points above the county
82%
54%
65%
Typical yearly property tax
$10,001
$10,001
$6,582
$3,119
Effective property tax rate
1.52% ▲0.06 points above the county
1.46%
1.55%
0.94%
“Typical” means the median: half are above and half are below. ▲ and ▼ say whether the city is above or below Nassau County. “High rent” is the Census measure: renter households that pay 30% or more of their income in rent.
Four ways to pay for a typical home in South Valley Stream
For a typical $656,800 home in South Valley Stream, at Freddie Mac's average rate (7.18% as of November 5, 2026) over 30 years. The monthly payment adds principal and interest, South Valley Stream's typical property tax, an example home insurance and mortgage insurance when it applies.
FHA, 3.5% down$5,765a month
Least cash to close
Down payment
$22,988
Cash to close
$42,692
Rate
7.18%
Mortgage insurance
FHA MIP · $290
Conventional, 5% down$5,645a month
Down payment
$32,840
Cash to close
$52,544
Rate
7.18%
Mortgage insurance
PMI · $312
Conventional, 20% down, no PMI$4,665a month
Down payment
$131,360
Cash to close
$151,064
Rate
7.18%
Mortgage insurance
None
ITIN, 15% down (example)$5,272a month
Down payment
$98,520
Cash to close
$118,224
Rate
8.18%
Mortgage insurance
None
Four ways to pay for a typical home in South Valley Stream
Loan
Monthly payment
Down payment
Loan amount
Rate
Mortgage insurance
Cash to close
Minimum score
FHA, 3.5% down Least cash to close
$5,765
$22,988
$644,904
7.18%
FHA MIP · $290
$42,692
580
Conventional, 5% down
$5,645
$32,840
$623,960
7.18%
PMI · $312
$52,544
620*
Conventional, 20% down, no PMI
$4,665
$131,360
$525,440
7.18%
None
$151,064
620*
ITIN, 15% down (example)
$5,272
$98,520
$558,280
8.18%
None
$118,224
Set by the lender
The option that asks for the least cash to close is FHA, 3.5% down.
Cash to close = down payment plus 3% of the price in closing costs (example).
Minimum score: FHA requires 580 or higher for the minimum down payment (HUD Handbook 4000.1). * Fannie Mae requires 620 when a loan is underwritten by hand; its automated system has no fixed minimum.
The ITIN row is an example with a rate 1 percentage point higher: ITIN loans follow no federal rule and each lender sets its own down payment and rate. Nothing in this table promises an approval.
The Census Bureau publishes no typical rent for South Valley Stream. Below are the fair market rents for Nassau County.
HUD publishes a fair market rent for all of Nassau County, by unit size. To pay the 2-bedroom one ($2,689 a month) without spending more than 30% of your income, you would need to earn $51.71 an hour working full time.
What you need to earn to pay it without spending more than 30% of income, working full time.
HUD fair market rent in Nassau County (Fiscal year 2027)
Size
Fair rent a month
Hourly wage
Yearly income
Studio
$1,964
$37.77
$78,560
1 bedroom
$2,285
$43.94
$91,400
2 bedrooms
$2,689
$51.71
$107,560
3 bedrooms
$3,458
$66.50
$138,320
4 bedrooms
$3,671
$70.60
$146,840
Includes basic utilities. It isn't the lowest or highest rent: it's a reference point. Source: HUD, Fiscal year 2027
By ZIP code
Fair market rent by ZIP code in South Valley Stream
HUD also publishes a fair market rent for each ZIP code (Small Area FMR, fiscal year 2027). South Valley Stream is in ZIP code 11581.
For 2 bedrooms it is $2,560: $129 less than the fair market rent for Nassau County ($2,689).
Fair market rent by ZIP code and size in South Valley Stream, fiscal year 2027.
ZIP code
Studio
1 bd
2 bd
3 bd
4 bd
11581
$1,870
$2,180
$2,560
$3,290
$3,490
ZIP code2 bd3 bd
11581 $2,560$3,290
1 of these ZIP codes crosses the city line: HUD sets the rent by ZIP code, not by city. A ZIP code counts for South Valley Stream when at least 50% of its land is inside the city or it covers at least 15% of the city (Census 2020 boundaries). Source: Small Area Fair Market Rents (HUD)Fiscal year 2027Small Area Fair Market Rents (HUD) (external site)Source: Census Bureau ZCTA-to-place relationship fileData from 2020 dataCensus Bureau ZCTA-to-place relationship file (external site)
You do not have to do this alone. A HUD-approved housing counseling agency helps for free or at low cost: getting ready to buy, understanding your credit, or solving a problem with your rent.
There are 3 HUD-approved agencies with an office in Nassau County; 2 say they serve in Spanish.
No down payment, repair or rent-help program on our list is for South Valley Stream or Nassau County. The ones below are statewide in New York: they work in South Valley Stream the same as in the rest of the state.
SONYMA second loan with no interest, forgiven after ten years, for the down payment with a SONYMA mortgage in New York.Offered by State of New York Mortgage Agency (SONYMA).
SONYMA mortgage at a very low fixed rate for low-income first-time buyers in New York, with a minimal down payment.Offered by State of New York Mortgage Agency (SONYMA).
The HUD-approved agencies closest to the center of South Valley Stream, in a straight line, nearest first. If one says it serves in Spanish, its card says so.
No legal help resource on our list is for South Valley Stream or Nassau County in particular.
If you have a problem with your landlord, an eviction notice or a scam, the Legal Services Corporation (LSC) search shows the free legal aid offices that serve your area.
Short answers with the numbers for South Valley Stream and all of Nassau County. If your case is different, a HUD-approved counseling agency can guide you for free or at low cost.
How much does a typical home cost in South Valley Stream?
The typical home value in South Valley Stream is $656,800, according to the U.S. Census Bureau (average 2020–2024). For comparison, in Nassau County it is $684,700.
What is the FHA loan limit in South Valley Stream?
South Valley Stream uses the FHA limit for all of Nassau County (2026): $1,249,125 for a one-unit home and $2,402,625 for a four-unit home.
How much property tax do owners pay in South Valley Stream?
The typical homeowner in South Valley Stream pays $10,001 a year, according to the U.S. Census Bureau. That is 1.52% of the home’s value; in Nassau County, the rate is 1.46%.
Where can I find free help to buy or rent in South Valley Stream?
There are 3 HUD-approved counseling agencies with an office in Nassau County. 2 say they serve in Spanish. They can help you get ready to buy, with your credit, or with rent.