Morris County and Madison Borough property record for 21 Keep St, Madison, NJ 07940 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3,940 sqft · built 1900 |
| Lot Size | 0.276 acres (12,001 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $13,002 (2024) |
| APN | 17-03803-0000-00016 |
| Primary APN | 17-03803-0000-00016 |
|---|---|
| Alternative APNs |
|
| Stories | 2 Stories |
|---|---|
| Building Area | 3,940 sqft Living Area |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Construction Type | Frame |
| Lot Area | 12,001 sqft (0.276 acres) |
| Lot Dimensions | 200 ft deep x 60 ft wide |
| Old Parcel Number | 1700074000000005 |
|---|---|
| Street Address | 21 KEEP ST |
| City | MADISON |
| State | NJ |
| Zip | 07940-2615 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Block | 3803 |
| Legal Lot Number | 16 |
| Jurisdiction | MORRIS NJ |
| Township / Civil Division | MADISON |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 43100 |
Source: Morris County and Madison Borough records · APN 17-03803-0000-00016
Assessment roll updated July 9, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21 KEEP ST, MADISON, NJ 07940-2615 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Morris County and Madison Borough records · Assessment roll updated July 9, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | New Jersey |
| County | Morris County |
| Municipality | Madison Borough |
| Unified School District | Madison Borough School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $610,400 (-) Land $258,100 Building $352,300 | $610,400 (-) Land $258,100 Building $352,300 | |
| 2025 | $610,400 (-) Land $258,100 Building $352,300 | $610,400 (-) Land $258,100 Building $352,300 | |
| 2024 | $13,002.00 (+3.71%) | ||
| 2023 | $610,400 Land $258,100 Building $352,300 | $610,400 Land $258,100 Building $352,300 | |
| 2022 | $12,537.00 |
Source: FEMA National Flood Hazard Layer · FEMA OpenFEMA NFIP redacted claims and policies, census block group 340270431002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Not on file |
|---|---|
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 1 (1983) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Apr 1983, rainfall accumulation |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 321 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Optimum Communications | Fiber | 8,000 / 8,000 |
| Verizon | Fiber | 980 / 880 |
| Optimum Communications | Cable | 940 / 35 |
| AT&T | Fixed Wireless | 100 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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