Maricopa County property record for 643 S Nassau, Mesa, AZ 85206
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 1,954 sqft · built 1994 |
| Lot Size | 0.208 acres (9,086 sqft) |
| Owner | 2 Owner Names on File |
| Last Sale | $175,000 (Jan 2004) |
| Tax Bill | $1,403 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 140-38-235 |
| Primary APN | 140-38-235 |
|---|
| Full Baths | 3 Baths |
|---|---|
| Plumbing Fixtures | 7 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,954 sqft Living Area |
| Gross Area | 2,479 sqft |
| 1st Floor Area | 1,954 sqft |
| Year Built | Built 1994 |
|---|---|
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 9,086 sqft (0.208 acres) |
| Parking Spaces | 2 Parking Spaces |
| Patio Area | 525 sqft |
| Cooling System | Refrigeration |
|---|---|
| Heating System | HVAC |
| Street Address | 643 S NASSAU |
|---|---|
| City | MESA |
| State | AZ |
| Zip | 85206-5714 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-9 |
| Legal Description | LEMONTREE THREE MCR 259-35 |
| Legal Range | 06E |
| Legal Township | 01N |
| Legal Section | 28 |
| Legal Quarter | NE |
| Quarter-Quarter Section | SW |
| Legal Subdivision | LEMONTREE 3 |
| Legal Lot Number | 331 |
| Jurisdiction | MARICOPA AZ |
| Township / Civil Division | PHOENIX |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 422513 |
The current owner of 643 S Nassau bought it in January 2004.
Source: Maricopa County records, as of November 20, 2025
| Owner of Record | 2 Owner Names on File |
|---|---|
| Mailing Address | 643 S NASSAU, MESA, AZ 85206-5714 |
| Occupancy | Owner Occupied |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 23, 2004 · Amount on File |
| Deed Sale | Jan 23, 2004 · Amount on File |
| Prior Sale | Jul 20, 1994 · Amount on File |
| Deed Document Number | 20040071480 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 643 S Nassau was $1,403.
Source: Maricopa County assessment roll, as of January 1, 2025
| Type | Name |
|---|---|
| State | Arizona |
| County | Maricopa County |
| Municipality | Mesa City |
| Unified School District | Mesa Unified District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $40,670 | $406,700 Land $81,300 Building $325,400 | |
| 2025 | $1,403.00 | ||
| 2024 | $41,850 | $418,500 Land $83,700 Building $334,800 | |
| 2023 | $1,418.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 643 S Nassau in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 2, 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 643 S Nassau has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF MESA serves 466,000 people · EPA ID AZ0407095 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2024 |
| Lead | 5 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 24 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 755 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Cox Communications Cable | 2,000 / 100 |
| Verizon Fixed Wireless | 300 / 20 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Tristate Wi-Fi by Wi-Fiber.
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