8851 A1A, St. Augustine, FL 32080
Sources: realMLS (listings + 12-mo closed sales), FEMA, modeled insurance. Interpretation: Momentum Research. Data notes
As of October 19, 2026, 8851 A1A in Barrataria Island, St. Augustine is listed at $1,349,000 (2,674 sq ft, about $504 per sq ft). It has been 68 days on market. Listing facts: built in 1983, waterfront, HOA dues of $110/mo. Figures are from the MLS record and county data; deemed reliable but not guaranteed.
- No CDD assessment on record
- Built 1983 · 43 yrs
- 2,674 sq ft of living area
- 2-car garage
- Listed at $1,349,000 — recent neighborhood median sale price ~$1,070,000 (nearby sales; deemed reliable, not an appraisal)
- 68 days on market
- HOA $110/mo (per listing)
About this home
A rare gem, completely reimagined and rebuilt down to the studs in 2017, this luxurious 4-bedroom, 3-bath Mediterranean-style masterpiece is the ultimate coastal retreat. Perfectly positioned between the Intracoastal Waterway and the Atlantic Ocean, this elegant residence includes a full 1-bedroom, 1-bath in-law suite for added versatility. Set on over a 1/3-acre double parcel, this property was designed with entertaining in mind.
Wraparound balconies and covered first-floor decks showcase stunning views of the ocean and serene saltwater canal, while multiple boat docks and lifts cater to water enthusiasts. As you pull up, the spacious yard and circular drive gives plenty of space to soak up the sun and ocean breeze! Step inside, and a scrollwork, iron spiral staircase leads you to the open living area.
A family room with ocean views provides an ideal space to set up a pool table or have a family movie night. An arched opening leads to the open concept kitchen, living room, and dining room. gourmet kitchen is a chef's dream, equipped with quartzite countertops, custom wood cabinets, a stunning Mediterranean-style backsplash, and a luxurious AGA Legacy gas range.
The living space boasts magnificent views of the canal, while sliders of the living and dining rooms lead to a covered, walk-around balcony offering stunning sunset and sunrise views. Back inside, the master bedroom, located off the living room, features a separate Florida Room with panoramic views and an en-suite bathroom complete with a walk-in closet, dual vanity, and tub/shower. Across the home, two additional bedrooms share a guest bathroom for added privacy.
The attached in-law suite was rebuilt down to the studs in 2017, has a separate entrance offers over 450sf with a kitchenette. Downstairs also offers an office/studio with closets that could function as a 5th bedroom. This home is perfect for water sports enthusiasts seeking the ultimate Florida lifestyle.
A sturdy bulkhead gives way to a covered 7,500 boat lift, platform boat lift, a floating dock 30' out into the water and deck area to enjoy! This home is complete with updated A/C systems, electrical, plumbing and the recent clay tile roof from Spain. So come, indulge, and savor the beauty of this idyllic residence!
All 73 photos
Description provided by KELLER WILLIAMS REALTY ATLANTIC PARTNERS ST. AUGUSTINE and reproduced from the MLS; not independently verified.
Every fact, sourced
Listing data, public records, our calculations, and what to verify — each fact shown once. Estimates and calculations shown are for general information only, are not appraisals or advice, and should be independently verified.
Listing facts MLS
Public records & third-party data
Calculated estimates
Buyer should verify Buyer verify
Estimated monthly payment
- Principal & interest $7,472/mo 76%
- Taxes $1,458/mo 15%
- Insurance $732/mo 7%
- HOA $110/mo 1%
$9,772/mo at 20% down, 30-yr @ 7.4% · edit any field to update.
Editable estimate — not a loan offer. Estimates only; see data & estimate notes.
Property taxes
✓ Certified county tax rollProperty taxes in Florida are reassessed after a sale, so a buyer’s first full-year bill can be higher than the seller’s. Budget from this estimate, not the current bill, before you make an offer.
Most of this comes from Florida’s Save Our Homes assessment cap resetting when the home sells — the current owner’s protected assessment does not transfer to a new buyer.
Certified 2025 tax roll values for this parcel (Florida DOR). The roll gives values, not the bill; the current owner’s bill above is estimated from the taxable value.
Estimate my property taxes →Adjust for your exemptions, portability, and down payment
Sources: Florida DOR certified tax roll (2025), realMLS; millage: St. Johns County Property Appraiser, FY2025-26 adopted budget. County public record, not MLS data — matched to this home by parcel ID. Estimates are not a tax bill; the county property appraiser and tax collector set the actual amount.
What it really costs to own 8851 A1A
The parts of the monthly number a mortgage calculator leaves out, from this listing's MLS record, the county tax roll, Citizens and FEMA. Property facts only.
| Property tax | The current owner's bill is about $12,175/yr (certified county roll, taxable value × millage). Buy at the asking price of $1,349,000 and the first-year bill resets to about $17,500/yr (the parcel is matched to the certified roll; asking price less the $50,000 homestead exemption × 13.47 mills); Save Our Homes caps later increases at 3%/yr. |
|---|---|
| HOA dues | $110/month per the listing record. Dues cover what the association documents say they cover; ask for the budget and reserve study before you close. |
| Home and flood insurance | The average Citizens Property Insurance premium in Saint Johns County is $1,378/yr (977 policies, Citizens detail by county, April 2026); private-market quotes differ by roof age, wind mitigation and distance to the coast. The page's modeled range for this home is $6,000–$12,500/yr; neither is a quote. |
| Roof and age | Built in 1983. An original roof would be about 43 years old; under Florida's 2022 reform (SB 2-D) carriers may require an inspection past 15 years, so budget for a roof report and ask for the roof permit date. |
Estimated carrying cost at the asking price, before the mortgage: about $1,683/month (tax $1,458, HOA $110, insurance $115). An estimate from the sources above, not a quote; the monthly-cost calculator on this page adds the loan.
Flood zone & elevation
Sourced environmental data for the parcel. Confirm with FEMA and your insurer.
Not yet verified for this address. Look up the parcel at msc.fema.gov before relying on any flood assumption.
Approximate parcel elevation from USGS; confirm exact elevation with a survey.
St. Johns County is on the Florida coast; wind coverage is a major part of the premium. Premiums and coverage vary by home (roof age, wind mitigation, claims history); obtain a quote from a licensed insurer.
Natural hazard risk
FEMA National Risk Index for St. Johns County, FL: overall Relatively Moderate. Ratings compare this county with every county in the United States for expected annual loss from each hazard.
Source: FEMA National Risk Index (county level, hazard risk ratings only). Ratings describe the county, not this parcel; the flood zone shown above is parcel-specific. Verify insurance requirements with your lender and agent.
Internet & broadband
Address-level fiber service is not confirmed for this home. Check the FCC National Broadband Map (broadbandmap.fcc.gov) or the provider for this address.
Cable broadband is common in Florida and Georgia towns but not confirmed for this address; verify with the provider.
5G home internet and satellite service depend on the exact location; check coverage for this address.
Pricing & the Barrataria Island market
How this home is priced against recent nearby sales, and where Barrataria Island has been over 25 years. Momentum Research analysis of realMLS records; closed sales, deemed reliable but not guaranteed. Estimates only; see data notes.
This home’s $/sq ft vs. nearby sales
List $/sq ft against recent nearby closed sales; the community median is marked.
This home’s history
- 1983BuiltPer public record
- About Aug 2026Listed (per MLS)MLS reports 68 cumulative days on market as of October 19, 2026
- Sep 29, 2026First seen on movewithmomentum.comObserved at $1,445,000
- Oct 15, 2026Price cut$1,349,000 (-$96,000, -6.6%)
- NowActiveCurrently for sale
Build year is from public record. The MLS list date is approximate (today minus the cumulative days on market the MLS reports, which can span relistings). Other milestones reflect movewithmomentum.com’s own observations since we began tracking this listing and are not the MLS listing history; dates and prices are deemed reliable but not guaranteed.
Price & listing history
Building permits
Comparable recent sales
6 closed sales within about 10 miles in St. Johns County in the last 18 months — same property type, living area within 30% of this home. Sold prices are MLS closed-sale records, deemed reliable but not guaranteed.
Median of these 6 sales: $1,070,000 ($397/sq ft). Directional only — a small or wide-radius sample. Shown for general reference only — not an appraisal or a statement of this home’s value.
The Messtimate
Our automated estimate of the likely sale-price range for this home — modeled from recent closed sales nearby adjusted to today's market, a local size-and-age model, and the county tax roll. It is an estimate, not an appraisal, not market value, and not an offer. A licensed agent's CMA sees the condition, the lot, and the live market that a model can't.
Directional estimate — built from 20 comparable closed sales within about 10 miles in St. Johns County (same property type, closed within the last 18 months, each adjusted to today's market); the St. Johns County 2025 tax roll just value ($934,662) × the local sale-to-roll ratio of 12 nearby sales.
Track record: across 2,983 recent closed sales we scored, the closed price landed inside the Messtimate range 58% of the time; median miss 9.2% (closed sales statewide, FL + GA feeds that permit an automated estimate). Re-scored weekly; last 2026-10-19.
Actual list price: $1,349,000 ($504/sq ft) — the seller's asking price is not an input to this range; compare the two.
A 44% spread on the same house — here is what a model can't see:
- Condition & updates — a 1983 home may have had its roof, kitchen, or HVAC replaced since, or not; the model can't see either.
- The lot — this listing is waterfront; water frontage is priced far off nearby averages.
- Carrying costs & concessions — this home carries HOA dues of $110/mo; insurance, CDD/HOA and seller-paid buydowns change what a buyer actually pays.
And what the live market is doing right now:
- 1 active listing competing
Selling your own home? Try the Messtimate on your address →
Methodology: 20th–80th percentile band combining time-adjusted $/sq ft of comparable closed sales (20) + tax-roll just value × local sale-to-roll ratio (12 sales, double weight); MLS closed-sale records and the FL DOR 2025 certified tax roll. Automated valuation model output for general information only — not an appraisal, not market value, not an offer, and not reviewed by a licensed appraiser. Updated October 19, 2026.
The Momentum read
🟡 Asking $504 per square foot, about 27% above the community’s $397 median. Barrataria Island’s 12-month median sold price per square foot is $397. MLS facts: realMLS closed sales. A per-square-foot gap is context, not an appraisal; condition, lot, and view set the final number here.
50% of homes in Barrataria Island are owner-occupied. An estimated 50% are non-owner-occupied, including 11% held in a company or trust and 6% out-of-state owners.Why it matters: a high owner-occupied share typically means fewer rentals nearby and steadier resale demand.Source: Florida Department of Revenue 2025 assessment roll (public records), 30 homes matched. Community-level context.
What’s unique here: one of only 1 active listings in Barrataria Island, no CDD assessment.
Jump to: About this home · Every number, sourced · Monthly cost · Flood & risk · History · FAQ
Updated October 19, 2026 · MLS facts carry their source; interpretation lines are Momentum Research · Data sources & freshness
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Listed by KELLER WILLIAMS REALTY ATLANTIC PARTNERS ST. AUGUSTINE · MLS # 2166767
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More on Barrataria Island
Go deeper on Barrataria Island
See schools, amenities, builders, HOA/CDD detail, and every active & sold home in the community — the single biggest advantage of buying here over a portal.
Assigned schools
Schools currently assigned to this address in St. Johns County, provided as neutral factual data. Assignments can change — confirm current zoning with the school district. This is not a statement about the home's suitability for any person or family.
See schools in the Barrataria Island guide → · Browse school-zone pages →
City, county & community guides
Where this home sits, with links to the matching guides. General reference only.
Buyer research checklist
Items worth confirming for 8851 A1A, chosen from what the record shows. This is general guidance, not advice about this specific property.
- Built in 1983 (43 years): ask for the roof and HVAC replacement dates — insurers commonly ask for roof age on homes this old, and it changes the premium.
- HOA dues are listed at $110/mo: request the current budget, reserves, and rules before relying on that figure or on any restriction.
- Look up the parcel on FEMA's Flood Map Service Center and confirm with your insurer whether flood insurance is required.
- Get a homeowners insurance quote for this specific address in St. Johns County; a wind-mitigation inspection and, on older homes, a four-point inspection can change the premium.
- Waterfront: confirm seawall or dock condition and permits, and ask who owns and maintains the shoreline.
- Listed living area is 2,674 sq ft: verify it against the property appraiser's record and measure before relying on it.
- Order a survey to confirm lot boundaries and easements.
- Review permit history with the county.
- Property taxes: the estimate on this page (about $17,500/yr) assumes reassessment at the list price less the homestead exemption. Estimated buyer taxes are about $5,325 more per year than the current owner’s estimated bill (+44%). Exemptions and portability change the actual bill — confirm with the county property appraiser.
- Confirm school zoning directly with the district.
Data sources & freshness
| Listing record | realMLS, checked against the MLS hourly (last: October 19, 2026) |
| Comparable sales | realMLS closed sales within about 10 miles in St. Johns County, last 18 months, as of October 18, 2026 |
| Flood zone & elevation | Not verified for this address — look it up at msc.fema.gov |
| Taxes & monthly cost | Certified county tax roll (parcel-matched) × county millage; an estimate, not a bill |
| Insurance figure | Modeled estimate; obtain a real quote before offering |
| Schools | 2025-26 district assignments; verify with the district |
Momentum Research lines are our own analysis of realMLS records; MLS data is deemed reliable but not guaranteed. Estimates are informational, not appraisals or advice. Methodology: how Momentum scores are computed.
Frequently asked questions
How big is 8851 A1A and when was it built?
Per the listing record, 8851 A1A was built in 1983 and has 2,674 sq ft of living area, 5 bedrooms and 3.0 bathrooms. Living area and lot size come from the MLS record and should be verified against the county property appraiser.
What community is 8851 A1A in?
8851 A1A is in Barrataria Island in St. Augustine, St. Johns County. The comparable-sales section on this page shows recent closed sales nearby from the same MLS data.
Does 8851 A1A have an HOA, and how much are the dues?
The listing reports HOA dues of $110 per month. Dues, what they cover, and the community's rules should be confirmed from the association's current documents before relying on them.
Why might property taxes on 8851 A1A differ from the current owner's?
The estimate on this page (about $17,500 per year) assumes reassessment at the list price less the homestead exemption. Estimated buyer taxes are about $5,325 more per year than the current owner’s estimated bill (+44%). Florida reassesses a home after it sells; for a homesteaded seller the Save Our Homes cap on their assessment does not transfer, and a buyer's own exemptions and portability are applied separately, so the two bills usually differ. Any tax figure shown here is an estimate, not the actual bill — confirm with the county property appraiser and tax collector.
Is 8851 A1A in a flood zone?
A flood designation has not been verified for this address. Look up the parcel on FEMA's Flood Map Service Center (msc.fema.gov) and confirm with your insurer.
Can I rely on the figures on this page?
No. Estimated taxes, insurance, payments, and any market or comparable-sales summary are opinions and estimates for general information only and should not be relied upon. Verify all information independently before making any decision.
See 8851 A1A in person
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Opinion & estimate — do not rely on this page. Any figure on this page that is not a verbatim fact from the listing or a public record — including estimated property taxes, insurance, CDD/HOA amounts, mortgage payments, comparable-sales summaries, and market statistics — is an opinion and estimate provided for general informational purposes only. These figures may be inaccurate or out of date, are not appraisals, valuations, or financial, legal, tax, or investment advice, and should not be relied upon. Do not make any purchase, offer, financing, or other decision based on this page. Independently verify everything — price, square footage, lot size, year built, taxes, CDD/HOA, flood status, school assignments, permits, and community rules — with the listing broker, the county, your lender, a licensed inspector, an insurer, and your own advisors before acting.
Estimate methodology. Tax estimates apply county millage to the list price (less the homestead exemption where the parcel is matched to the certified roll) and will differ from the actual assessed bill. Cost and market figures are derived from available data and simple calculations, not a professional appraisal. We make no representation that any estimate reflects fair market value.
Equal Housing Opportunity. Content on this page is compiled from public records, MLS data, and automated sources and may contain errors or be out of date. It is general information only, not a representation about any specific property, community, builder, or association. Verify information independently before relying on it. Momentum Realty supports the Fair Housing Act and does not discriminate on the basis of race, color, religion, sex, handicap, familial status, national origin, sexual orientation, or gender identity. Information about schools, distances, and amenities is provided as neutral factual data to help you research the property and is not a statement about who should or should not live here or the suitability of the home or neighborhood for any person or group. School data may change — confirm current assignments with the school district.
Found an error? If you are the owner, listing agent, or a party to this property and believe any information is inaccurate, email and we will review and correct or remove it promptly.
Automated content. Some summaries, distances, and estimates on this page are generated automatically from public and proprietary data sources and may contain errors or omissions. We strive for accuracy but cannot guarantee the completeness or accuracy of any information. Verify anything important independently.
No warranty; measurements & photos. No guarantee, warranty, or representation of any kind is made regarding the completeness or accuracy of any information, descriptions, or measurements on this page — including square-footage measurements and property condition — all of which should be independently verified through appropriate means, including in-person inspection and public records. Photographs may be virtually staged or digitally enhanced and may not reflect actual property conditions. Momentum Realty and its agents expressly disclaim any liability in connection with the information provided.
MLS / IDX. The data relating to real estate for sale on this web site comes in part from the Internet Data Exchange (IDX) program of the Northeast Florida Multiple Listing Service, Inc. Real estate listings held by brokerage firms other than Momentum Realty are marked with the listing broker's name, and detailed information about such listings includes the name of the listing broker. Data provided is deemed reliable but is not guaranteed. The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Source: realMLS (Northeast Florida Multiple Listing Service). © 2026 Northeast Florida Multiple Listing Service, Inc. All rights reserved.
Listing data is deemed reliable but is not guaranteed and is subject to change or withdrawal without notice. Square footage and lot size are approximate. Real estate brokerage services provided by Momentum Realty, licensed in Florida and Georgia. © 2026 Move With Momentum LLC.