St. Johns County property record for 21 Old Mission Ave, Saint Augustine, FL 32084
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,457 sqft · built 1899 |
| Lot Size | 0.17 acres (7,405 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $1,173 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 190570-0000 |
| Primary APN | 190570-0000 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Stories | 1 Story |
| Building Area | 1,457 sqft Living Area |
| 1st Floor Area | 1,457 sqft |
| Flooring | Wood |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1899 |
|---|---|
| Effective Year Built | Effective 2003 |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable/Hip |
| Roof Material | Metal |
| Lot Area | 7,405 sqft (0.17 acres) |
| Lot Dimensions | 150 ft deep x 50 ft wide |
| Pool Area | 400 sqft |
|---|---|
| Porch | Finished/Open Porch |
| Porch Area | 189 sqft |
| Deck Area | Deck Area |
| Patio Area | 510 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 21 OLD MISSION AVE |
|---|---|
| City | SAINT AUGUSTINE |
| State | FL |
| Zip | 32084-3279 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | GARNETT ADDN CITY LOT 10 BLK 12 OR191/88 |
| Legal Range | 30E |
| Legal Township | 07S |
| Legal Section | 07 |
| Legal Subdivision | GARNETT DIVISION |
| Legal Block | 12 |
| Legal Lot Number | 10 |
| Jurisdiction | ST JOHNS FL |
| Township / Civil Division | ST. AUGUSTINE |
| Census Block Group | 2 |
| Census Block | 2054 |
| Census Tract | 20200 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the North City Historic District listed 2009 · 184 contributing resources · NRIS 09000778 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: St. Johns County records, as of April 13, 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 Record |
|---|---|
| Mailing Address | 21 OLD MISSION AVE, SAINT AUGUSTINE, FL 32084-3279 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
Source: St. Johns County assessment roll, as of April 13, 2026
| Type | Name |
|---|---|
| State | Florida |
| County | St. Johns County |
| Municipality | St. Augustine City |
| Unified School District | St. Johns County School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $99,000 (+2.7%) | $476,942 (+4.1%) Land $214,000 Building $262,942 | |
| 2025 | $1,173.00 (+3.62%) Homeowner's exemption | $96,397 (-0.76%) | $458,170 (+0.57%) Land $214,000 Building $244,170 |
| 2024 | $1,132.00 (+3.85%) Homeowner's exemption | $97,134 (+3%) | $455,583 (+2.38%) Land $214,000 Building $241,583 |
| 2023 | $1,090.00 (+5.72%) Homeowner's exemption | $94,305 (+3%) | $445,009 (+10.66%) Land $214,000 Building $231,009 |
| 2022 | $1,031.00 Homeowner's exemption | $91,558 | $402,124 Land $179,760 Building $222,364 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 15, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Coastal | Yes |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 351 individual policies |
| Community Rating System | Class 4 (30% premium discount) |
| Nearby Flood Policies | 359 units insured incl. 8 condo units |
| Nearby Flood Claims | 217 (1979–2024) |
| Claims Outside the SFHA | 9 of 217 |
| Most Recent Claim | Sep 2024 · other causes |
| Claims by Event |
|
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: 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 | ST. AUGUSTINE WS serves 43,069 people · EPA ID FL2550210 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Sep 2024 |
| Lead | Under 1 ppb (2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 5 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 43 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
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