Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. Every office link was opened and checked against the office's own site between September 23, 2026 and October 2, 2026.
Valley Stream, New York, in Nassau County, has about 40,000 residents (2024 Census Bureau estimate). The title to a parcel in Valley Stream is in the deed records of the County Clerk and its taxable value is set by the Real Property Tax Services; what is built on it is a matter for the city. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, city permits and records, evictions and court cases, records requests, directory links and common questions.
Related guides: Valley Stream public records, Nassau County property records, Valley Stream arrest records, Valley Stream warrants, Valley Stream criminal records, Valley Stream court records, New York arrest records and New York inmate search.
Deeds, Mortgages and Liens in Valley Stream
Deeds, mortgages, liens and easements that affect title to land in Valley Stream are recorded by the County Clerk, which indexes them by name and sells copies.
SearchSystems opened and checked the County Clerk's page at nassaucountyny.gov/3998/Land-Records (page title: Land Records | Nassau County, NY), which answered when SearchSystems opened it on September 23, 2026.
Assessed Values and the Tax Roll in Valley Stream
What a parcel in Valley Stream is taxed on is the business of the Real Property Tax Services, which also keeps the parcel maps. New York property is assessed by each city and town, not the county, except in Nassau and Tompkins counties and New York City.
SearchSystems opened and checked the Real Property Tax Services' page at nassaucountyny.gov/3752/Property-Assessment (page title: Property Assessment | Nassau County, NY), phone (516) 571-1500, 240 Old Country Road 4 th Floor Mineola, NY 11501, Monday - Friday 8 a.m. - 4:30 p.m., which answered when SearchSystems opened it on September 23, 2026.
Permits and City Records in Valley Stream
Building permits, zoning and code cases are the city's own. For Valley Stream, SearchSystems opened and checked the city hall page at valleystreamny.gov/ (page title: - Valley Stream Village Directory | Valley Stream, NY), phone 516-592-5139, 123 S. Central Avenue Valley Stream, NY 11580, Monday - Friday 8am-4pm, which answered when SearchSystems opened it on September 25, 2026.
The city clerk's page SearchSystems verified is at valleystreamny.gov/ (page title: FAQs | Clerk's Department | Valley Stream, NY), phone (516) 592-5140, which answered when SearchSystems opened it on September 25, 2026.
Evictions and Court Cases About Land in Valley Stream
An eviction is a court case in the city, town and village courts, and so is a foreclosure, a lien dispute or a quiet title suit, in the Nassau County Supreme and County Courts; the court file is public unless sealed.
Asking a County Office for a Record
Under the Freedom of Information Law a county office must answer a request within 5 business days, at least with an acknowledgment and a date for the full answer, and it may charge copying at 25 cents a page. The county records request page SearchSystems verified is at nassaucountyny.gov/DocumentCenter/View/3761/Foil-Request-Form-2018 (page title: COUNTY OF NASSAU STATE OF NEW YORK APPLICATION FOR PUBLIC ACCESS TO RECORDS).
More Official Property and Land Records Pages for Nassau County
The SearchSystems directory, online since 1997, lists the official pages for Nassau County and New York. These property pages from its Nassau County listing were opened again on October 2, 2026 and each one still answers:
- Assessment, Nassau County, NY (nassaucountyny.gov)
- My Nassau Property (lrv.nassaucountyny.gov)
Frequently Asked Questions
Who records deeds in Valley Stream?
The County Clerk, at nassaucountyny.gov/3998/Land-Records. Deeds, mortgages and liens on land in Valley Stream are filed there, and the Real Property Tax Services (nassaucountyny.gov/3752/Property-Assessment) has the assessment records.
Who sets the assessed value of a property in Valley Stream?
The Real Property Tax Services, whose page SearchSystems verified is at nassaucountyny.gov/3752/Property-Assessment.
Where are evictions from Valley Stream filed?
In the city, town and village courts. The file is public unless the court seals it.
How is property assessed in New York?
New York property is assessed by each city and town, not the county, except in Nassau and Tompkins counties and New York City.
Is this the official Valley Stream website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.