Bergen County · Homes, Property, Taxes & Due Diligence

Allendale Real Estate

Allendale is primarily a single-family, owner-occupied housing market built around established residential neighborhoods, a walkable commuter-rail downtown and substantial protected open space.

Because land values are high and much of the borough is already developed, buyers frequently encounter renovated older homes, major additions, teardowns and larger replacement homes. Property review should therefore go beyond the listing description and include assessment history, zoning, permits, flood and wetland conditions, utility service, certificate-of-compliance requirements and school eligibility.

Use the property record, not just the marketing address. Before making a major property decision, confirm the block and lot, zoning district, current assessment, legal use, permits and municipal records tied to the exact parcel.

2026 Allendale market snapshot

Allendale is a small, high-value market, so medians can move noticeably when the mix of homes for sale changes. These figures are borough-level orientation—not an appraisal of a specific property.

$1.195M
Median Listing Price
June 2026 · Realtor.com
$899,510
Median Sale Price
3 months ending June 2026 · Redfin
14 days
Median Listing Time
June 2026 · Realtor.com
$3,200
Median Asking Rent
June 2026 · Realtor.com

Portal methodologies differ: Realtor.com's listing metrics describe active market inventory, while Redfin's sale-price figure uses recent closed sales. Use both as context and rely on current comparable sales for an individual property.

Limited inventory can distort monthly figures. Realtor.com's June 2026 summary showed only 12 active homes for sale and five rental listings. With such a small sample, one group of newly listed or recently sold high-end homes can materially change the median.

Allendale's housing character

Census data and the Borough's 2025 Master Plan both reinforce Allendale's identity as a predominantly single-family residential community.

80.4%single-family housing units · 2020–2024 ACS
81.4%owner-occupied housing rate · 2020–2024 ACS
$782,700median owner-occupied value · 2020–2024 ACS
1965approximate median year built · 2020–2024 ACS
Established Single-Family Neighborhoods

Most of Allendale is zoned and developed for detached single-family homes. The 2025 Master Plan identifies preservation of established residential character as a central land-use objective.

Older & Mid-Century Homes

The borough includes historic homes, prewar housing and substantial postwar development. Condition and renovation history can vary greatly even within the same neighborhood.

Renovations & Replacement Homes

The Master Plan specifically notes a long-running trend toward larger additions and teardown/rebuild projects where land values support them.

Attached & Multifamily Housing

About one-fifth of housing units are in multifamily or attached settings. Buyers should verify association documents, fees, parking, insurance and legal use for any attached property.

Rental Housing

Rental inventory is relatively limited compared with ownership housing. One- and two-unit rental properties require Borough landlord registration.

Affordable & Senior Housing

Allendale maintains affordable-housing programs and an eight-unit senior housing complex on Cebak Court, with separate qualification and administrative requirements.

Older-home review matters. For renovated or expanded homes, verify permits and final approvals for additions, finished basements, electrical work, plumbing, HVAC, decks, pools and other improvements instead of assuming visible work was approved.

Understanding Allendale's residential geography

Downtown / Station Area

Residential streets near West Allendale Avenue and Allendale Station offer the borough's closest access to rail, shops, restaurants and local services.

Crestwood Area

Neighborhoods around West Crescent Avenue and Crestwood Park combine established residential streets with close access to the borough's major recreation complex.

Franklin Turnpike Corridor

Historic houses, residential lots and mixed local uses line or sit near one of Allendale's oldest transportation routes.

Eastern & Southern Neighborhoods

Established single-family areas extend toward Waldwick, Saddle River and Wyckoff, with lot sizes and zoning standards varying by district.

Celery Farm / Wetland Edges

Properties near the 107-acre Celery Farm and connected waterways deserve parcel-specific flood, drainage, wetlands and buffer review.

Large-Lot Districts

Allendale's A, AA and AAA single-family districts use different minimum lot and bulk standards, with minimum lot sizes ranging from roughly 20,000 to 40,000 square feet.

Property assessments & taxes

Allendale's Tax Assessor lists and assesses all property in the borough, while the Tax Collector bills for municipal, county, local-school, Northern Highlands Regional, library and other applicable tax components.

2026 assessments moved significantly. The Borough's 2026 budget newsletter states that the average assessed home value increased by approximately 12% to about $991,079. The Borough also emphasized that a higher assessment does not automatically mean a matching increase in the tax bill because tax rates and levies change independently.
Tax Assessor

Angela Mattiace · Borough Hall · 201-818-4400 ext. 210. The Assessor maintains the tax list and handles valuation questions.

Tax Collector

Gina Wittmaack · 201-818-4400 ext. 206. The Collector handles billing and payment administration.

Added Assessments

Completed improvements can generate an added assessment based on the increase in property value, not simply the construction cost.

Appeals

Regular assessment appeals generally must be filed with the Bergen County Board of Taxation before May 1. Different deadlines apply to added or omitted assessments.

Water, sewer & utilities

Allendale's water service is provided through Veolia Water. Sewer service is tied to the regional Northwest Bergen County Utilities Authority system. Buyers should still confirm the exact property's utility accounts, service lines and any outstanding balances.

Water Service

Veolia handles Allendale water billing, service and water emergencies. Water payments are no longer accepted at Borough Hall.

Sewer Service

Regional wastewater service is associated with the Northwest Bergen County Utilities Authority. Confirm property-specific sewer connections and responsibilities.

Electric & Gas

Utility providers serving the borough include PSE&G and Rockland Electric depending on service location and utility type.

Property-Specific Review

Ask about private service lines, sump pumps, drainage systems and any history of sewer backup or water infiltration.

Flood, wetlands & drainage review

Allendale contains significant wetlands and mapped flood-hazard areas, particularly around waterways and the Celery Farm. Environmental conditions should be checked for the individual parcel rather than inferred from the neighborhood name.

Allendale Brook

FEMA's Bergen County flood study incorporates Special Flood Hazard Area and floodway mapping along Allendale Brook.

The Celery Farm

The 107-acre freshwater wetland is an important ecological feature and a reminder that wetlands and drainage systems are part of Allendale's physical landscape.

Effective FEMA Panels

Allendale's current floodplain ordinance identifies effective FEMA panels dated August 28, 2019 for borough floodplain regulation.

Best Available Data

Borough floodplain rules require use of more restrictive federal best-available flood information if FEMA issues newer detailed hazard data.

Stormwater

The Borough maintains a stormwater-management program and ordinances addressing runoff, drainage and municipal storm-sewer infrastructure.

Insurance & Lender Review

A lender's flood determination is only one part of due diligence. Review prior water intrusion, insurance history, grading, sump systems and drainage conditions too.

Check the exact parcel. Flood-zone status, wetlands, stream buffers and drainage issues can change within a short distance. Use FEMA's current Map Service Center together with Borough zoning/tax maps and professional property review when necessary.

Zoning, construction permits & property records

Allendale's Construction and Zoning Office administers building permits, zoning review and inspections. The Borough specifically identifies many common residential projects that require permits or zoning review.

Additions & Structural Work

Additions, porch enclosures, basement renovations, new wiring, fireplaces, pools and new decks are among projects requiring construction review.

Kitchen & Bath Work

Simple direct replacement in a single-family home may not require a permit, but moving walls, fixtures, lights or adding new fixtures changes that requirement.

Zoning Review

Additions, sheds, cabanas, pools and fences require zoning review. Confirm setback, lot coverage and bulk requirements before construction.

Engineering Review

New single-family homes, large additions, in-ground pools and substantial soil disturbance may require Borough Engineer review.

Open Permits

Before closing, check whether prior renovations or improvements have unresolved permits, violations or missing final inspections.

Real Estate Signs

The Borough requires a permit for temporary real-estate signs. Current municipal rules should be checked before installation.

Resale & change-of-ownership requirements

Allendale requires a Certificate of Compliance before residential or nonresidential property changes ownership, tenancy or use. For a residential property, the Borough inspection also addresses smoke-detector compliance.

Certificate of Compliance

The inspection occurs within the Borough's required pre-transfer window and checks for unresolved violations, lawful use and visible property-maintenance/code issues.

Smoke Detectors

Allendale's fire-prevention code requires smoke-alarm compliance for sales, rentals, transfers, leases and changes of occupancy.

Municipal Records

The Construction Official reviews available records to confirm the property's use has lawfully existed and that no applicable violations or orders remain pending.

Timing

The Borough code provides for inspection after a completed application; sellers should begin the process early enough to address any correction items before closing.

Open Improvements

A Certificate of Compliance should not replace separate review of permits and approvals for additions, finished spaces, pools, decks or accessory structures.

Advertising Signs

Agents and sellers should also follow Allendale's separate temporary real-estate-sign permit requirements.

Closing preparation: Do not leave municipal inspection and permit review until the final days before closing. Outstanding violations, unapproved work or missing records can create avoidable delays.

Rental properties & lead-safe requirements

One- and two-unit rental properties must be registered with the Borough Clerk. New Jersey's lead-safe inspection law also applies to many qualifying pre-1978 rental units, subject to statutory exemptions.

Landlord Registration

Allendale provides a landlord-registration form for one- and two-unit rental dwellings through the Borough Clerk.

Change of Tenancy

The Borough's certificate-of-compliance requirement applies to changes in tenancy as well as ownership.

Lead-Safe Certification

Qualifying pre-1978 rental units must comply with current lead-based-paint inspection and certification requirements unless an exemption applies.

Two-Year Certification

Allendale's 2026 lead-safe ordinance provides that a lead-safe certification is valid for two years, consistent with state law.

Tenant Documentation

Owners must provide required certification information to new tenants and maintain the records required by law.

Investor Due Diligence

Factor registration, inspection, lead compliance, property taxes, insurance and maintenance into investment underwriting.

Lead-safe does not mean lead-free. A lead-safe certificate means the inspected unit met the applicable hazard standard at the time of inspection; it is not the same as a permanent lead-free certification.

Master Plan, affordable housing & future development

Allendale's current planning policy emphasizes maintaining established single-family neighborhoods while meeting state affordable-housing obligations and directing higher-density opportunities to specific planned areas.

2025 Master Plan

The Borough adopted an updated Land Use Plan emphasizing neighborhood character, environmental constraints, sustainable planning and controlled development intensity.

Single-Family Districts

Most of the borough remains designated for single-family residential use in the A, AA and AAA districts.

Affordable Housing Settlement

The Borough reports that its current settlement provides ten years of certification while relying heavily on extended affordability controls rather than large amounts of new construction.

Allendale Brook Estates

Some existing affordable ownership units are subject to affordability-control extension programs. Buyers and sellers of restricted units must follow separate administrative and resale-price procedures.

Boroline Road

The Borough states that affordable-housing overlay planning has been redirected toward an already-established area on Boroline Road rather than the downtown.

Environmental Limits

The Master Plan recognizes that wetlands, flood-hazard areas, slopes and infrastructure constraints can reduce the development potential of individual sites.

Planning documents are not current inventory. A zoning designation, affordable-housing mechanism or potential redevelopment area does not mean a home is presently available. Verify actual approvals, construction status and availability separately.

Schools & property searches

Allendale operates its own Pre-K–8 district, and borough students attend Northern Highlands Regional High School.

Hillside Elementary School

Pre-K through grade 3 · 89 Hillside Avenue.

Brookside School

Grades 4 through 8 · 100 Brookside Avenue.

Northern Highlands Regional High School

Grades 9–12 · 298 Hillside Avenue in Allendale.

Verify Eligibility

Confirm enrollment, residency and any special-program information directly with the school districts rather than relying on a real-estate advertisement.

Objective school information only. NJTGO does not rank neighborhoods by schools or make demographic or family-composition recommendations. School information is included as a public-service planning resource.

Allendale Station & commuting

Allendale Station

NJ Transit rail service is located directly in the borough's downtown at West Allendale and Orchard Streets.

Main-Bergen County Line

Rail service connects Allendale with Bergen County communities, Secaucus Junction and Hoboken/New York connections.

Station Parking

Current NJ Transit information lists three station-area parking lots with resident/nonresident permit and daily-parking rules that vary by lot.

Regional Roads

Franklin Turnpike and nearby Route 17 provide practical road connections toward Ramsey, Mahwah and other Bergen County employment centers.

Allendale buyer & seller checklists

Before buying

  • Confirm the block, lot, zoning district and legal use.
  • Review the current assessment and recent assessment history.
  • Compare current closed sales, not just asking prices.
  • Check effective FEMA flood mapping and nearby wetlands or streams.
  • Review drainage, grading, sump pumps and prior water-intrusion history.
  • Confirm Veolia water and sewer-service details for the parcel.
  • Check permits and final approvals for additions and renovations.
  • For attached housing, review association finances, insurance and rules.
  • For rental property, confirm registration and lead-safe requirements.
  • Verify school residency and enrollment directly with the districts.

Before selling

  • Review the current tax assessment before pricing the property.
  • Resolve open permits, violations and zoning issues early.
  • Apply for the required Certificate of Compliance.
  • Confirm smoke-alarm requirements before the municipal inspection.
  • Gather surveys, permits and approvals for additions or major work.
  • Check whether any affordable-housing deed restriction applies.
  • For rental property, update landlord and lead-safe documentation.
  • Follow the Borough's real-estate-sign permit rules.
  • Prepare utility and property-maintenance information for buyers.
  • Keep any NJTGO or other advertising current when status changes.

Official Allendale property resources

Taxes & Assessments

Property-tax, assessment, added-assessment and appeal information.

Allendale Taxes
Maps

Tax-assessment, zoning, town and other Borough map resources.

Allendale Maps
Housing

Affordable housing, senior housing and landlord registration.

Allendale Housing
Water & Sewers

Veolia water and regional sewer-service information.

Water & Sewers
Land Use Board

Current planning, housing-element and land-use information.

Land Use Board

Real-estate advertising on NJTGO

Standard NJTGO town guides provide independent property information without free commercial agent or brokerage website links. Real-estate professionals and property owners can use enhanced paid placements for active listings, open houses and professional promotion.

Featured Home

Photo, price, verified property details and prominent placement within the Allendale guide.

Luxury Property

Expanded presentation for higher-value Allendale homes with approved promotional information.

Rental

Time-sensitive promotion for a lawful available rental with appropriate details.

Open House

Promote a scheduled event with date, time and property highlights.

Affordable / Restricted Unit

Any promotion must clearly respect applicable deed restrictions, eligibility requirements and resale controls.

Real Estate Professional

Enhanced agent or brokerage advertising can include direct website and contact links.

Allendale Real Estate

High-value single-family neighborhoods, rail access, substantial open space and strict local land-use controls make Allendale a market where careful municipal and environmental due diligence is especially important.

Single-family homesOlder homesRenovationsRentalsOpen houses
Feature a Property

Information note: Real-estate, tax, flood, utility, school and regulatory information can change. NJTGO provides local orientation, not legal, engineering, tax, insurance, appraisal or brokerage advice. Verify material facts directly with the Borough, applicable agencies, association documents and qualified professionals before making a property decision. Market figures shown are 2026 borough-level portal data reviewed September 1, 2026.