Tiburon 94920 · Unincorporated Tiburon · APN 059-241-01 · Unincorporated Marin
Zoned RSP-1-BFC in Unincorporated Marin with likely ministerial ADU eligibility and mapped FEMA VE flood / CAL FIRE moderate fire hazard severity zone (state responsibility area) due diligence; benchmark value $3,043,000 ($2,678,000–$3,408,000).
Zone RSP-1-BFC allows residential use qualifying for ministerial ADU review under state law.
Source: Unincorporated Marin zoning · CA Gov. Code 66314
Public building records show issued construction/renovation work on this parcel (10 total permits, latest Jan 29, 2025).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (parcel APN)
Zone VE: 1% annual chance flood (Special Flood Hazard Area) overlaps this parcel. Expect mandatory flood insurance for federally backed loans and floodplain elevation/mitigation rules for new units or SB 9 applications.
Source: FEMA National Flood Hazard Layer (parcel polygon)
Automated synthesis of indexed municipal, county, state, and federal public records — informational context only, not a formal appraisal, survey, or legal/tax determination.
9 permits within ½ mile since November 2024
The map shows new construction, ADUs, demolitions, additions, and renovations. Routine systems work (roofs, HVAC, water heaters) is counted but not mapped. Unit counts are as stated on permits.
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: permits located by parcel, ½ mile radius · Retrieved Nov 13, 2026
$3,043,000
Benchmark range: $2,678,000 – $3,408,000
Located in a mapped Fire Hazard Severity Zone. Expect Chapter 7A ignition-resistant building standards, defensible-space inspections, and stricter property insurance underwriting.
Source: CAL FIRE FHSZ (map Apr 1, 2024)
Remodel / interior alteration (158142): Issued after 5 mo (1.8× the 83d median) — above the 75th percentile for remodel / interior alteration permits in Unincorporated Marin (median 83d, 75th pct 148d, n=1,054).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) (review-time benchmark)
Sale triggers reassessment to 1.00% base + ~0.15% voter debt (~$2,954/mo). Confirm exact Mello-Roos / CFD special assessments on the county tax bill.
Source: CA Const. Art. XIIIA (Prop 13) · County Tax Collector
Public-records benchmark estimate combining Zillow Home Value Index (Data provided by Zillow), Census ACS 5-year estimates, parcel land-use/lot characteristics, and issued building permits. Not an official appraisal.
No ADU or new-home permits recorded within ¼ mile in this window.
Permit counts, by the date issued (or applied, if not yet issued). Lot splits are planning cases, which we don't have.
We read public zoning and hazard maps against state law (ADUs: Gov. Code 66314; SB 9: Gov. Code 65852.21 and 66411.7). Local rules, title, tenancy history and site conditions can change the answer. Check with Unincorporated Marin's planning department before relying on it.
Sources: County of Marin GIS (MarinMap), Zoning (11 cities and unincorporated Marin) (retrieved Nov 13, 2026) · CAL FIRE Office of the State Fire Marshal, Fire Hazard Severity Zones in the State Responsibility Area (effective 2024-04-01) (retrieved Nov 9, 2026) · CAL FIRE Office of the State Fire Marshal, Fire Hazard Severity Zones in the Local Responsibility Area (map dated 2025-03-24) (retrieved Nov 9, 2026) · FEMA, National Flood Hazard Layer — flood hazard zones (retrieved Nov 9, 2026) · FEMA, National Flood Hazard Layer — FIRM panels (retrieved Nov 9, 2026) · California Geological Survey, Alquist-Priolo Earthquake Fault Zones (retrieved Nov 9, 2026) · Zoning classes: our classification of RSP-1-BFC as single-family residential, checked against the zone description on Oct 24, 2026
Chronological history of building permit applications and issuances, snapshot-dated status changes, State housing entitlements, surrounding development within ½ mile, and area home-value trends.
Latest published Zillow Home Value Index (ZHVI) update
Changed from $3,090,631 in September 2025 to $3,404,730 in September 2026.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94920 (not a parcel appraisal)
Annual ZIP 94920 home-value index checkpoint
Changed from $3,209,701 in September 2024 to $3,090,631 in September 2025.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94920 (not a parcel appraisal)
General repair permit issued (178556)
Recorded status: Issued
Replace Drywall In Honey Rm · Declared valuation: $25,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
General repair permit application filed (178556)
Current status: Issued
Replace Drywall In Honey Rm · Declared valuation: $25,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Windows / doors / siding permit application filed (B40419)
Current status: Issued
This permit application is for replacing old doors, windows and skylights. As part of our energy efficiency project, we replaced the old doors, windows and skylights--some from the 1950s--before replacing the electric baseboard heaters to modern heatpumps which are much more energy efficient. Thank you. Jack — Non-structural Door/Window Replacement · Declared valuation: $50,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
HVAC / heat pump permit application filed (B40421)
Current status: Issued
This permit application is for replacing the electric baseboard heaters to modern heatpumps which are much more energy efficient. Thank you. Jack — New Ductwork, Replace Mechanical Appliance · Declared valuation: $100,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Roof replacement permit application filed (B40424)
Current status: Issued
We replaced the roof because part of it over our honey room had to be replaced anyway due to big tree branches falling on it during last years winter storms. PG&E came two weeks ago to cut down two trees right in front of the honey room, but Tom McCarville told me that we didn't need a permit for that part. Thank you. Jack. — Siding Replacement, ReRoofing · Declared valuation: $10,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Plumbing / water heater / sewer permit application filed (B40427)
Current status: Issued
We have an underground water leak off of our south meter (we have two water meters with Marin Municipal Water District) and have not been able to find it, so we have turned off the water from this source. We live on a nine acre honey farm (www.jarfarms.com) with a lot of underground pipes. We are in the process of hiring a company to help us find it so that we can repair the leaking pipe. — Replace Plumbing Fixtures(s) · Declared valuation: $5,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Windows / doors / siding permit issued (B40419)
Recorded status: Issued
This permit application is for replacing old doors, windows and skylights. As part of our energy efficiency project, we replaced the old doors, windows and skylights--some from the 1950s--before replacing the electric baseboard heaters to modern heatpumps which are much more energy efficient. Thank you. Jack — Non-structural Door/Window Replacement · Declared valuation: $50,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
HVAC / heat pump permit issued (B40421)
Recorded status: Issued
This permit application is for replacing the electric baseboard heaters to modern heatpumps which are much more energy efficient. Thank you. Jack — New Ductwork, Replace Mechanical Appliance · Declared valuation: $100,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Roof replacement permit issued (B40424)
Recorded status: Issued
We replaced the roof because part of it over our honey room had to be replaced anyway due to big tree branches falling on it during last years winter storms. PG&E came two weeks ago to cut down two trees right in front of the honey room, but Tom McCarville told me that we didn't need a permit for that part. Thank you. Jack. — Siding Replacement, ReRoofing · Declared valuation: $10,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Plumbing / water heater / sewer permit issued (B40427)
Recorded status: Issued
We have an underground water leak off of our south meter (we have two water meters with Marin Municipal Water District) and have not been able to find it, so we have turned off the water from this source. We live on a nine acre honey farm (www.jarfarms.com) with a lot of underground pipes. We are in the process of hiring a company to help us find it so that we can repair the leaking pipe. — Replace Plumbing Fixtures(s) · Declared valuation: $5,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
EV charger permit issued (B40365)
Recorded status: Issued
Installation of EV Charging System; electrical panel installation — EV Charging Station · Declared valuation: $50,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
EV charger permit application filed (B40365)
Current status: Issued
Installation of EV Charging System; electrical panel installation — EV Charging Station · Declared valuation: $50,000 · Contractor: Owner
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel
Annual ZIP 94920 home-value index checkpoint
Changed from $3,258,065 in September 2023 to $3,209,701 in September 2024.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94920 (not a parcel appraisal)
Cross-referenced intelligence from our historical development graph—connecting parcels, permits, entity-resolved builders, empirical review-time distributions, and neighborhood renovation trends.
Explore full Unincorporated Marin development graph →Issued after 5 mo (1.8× the 83d median) — above the 75th percentile for remodel / interior alteration permits in Unincorporated Marin (median 83d, 75th pct 148d, n=1,054).
| Builder / contractor | Primary specialty | Here / ½ mi | ½ mi valuation | Citywide 24m trend |
|---|---|---|---|---|
| Owner | Remodel / interior alteration | 6 on parcel8 in ½ mi | $406,000 | 25 vs 15 prior+67% |
| All Bay Solar Construction | Other | 2 on parcel2 in ½ mi | $51,000 | 0 vs 0 prior |
| Kelly Domer Partners Dba Pacific Constr | Remodel / interior alteration | 1 on parcel1 in ½ mi | $120,000 | 4 vs 2 prior |
| King Electric | Electrical / panel | 1 on parcel1 in ½ mi | $2,890 |
| Permit category | Sample (n) | 25th pct | Median (50th) | 75th pct | 90th pct | Recent 24m median |
|---|---|---|---|---|---|---|
| New single-family home | 121 | 166d | 253d | 456d | 686d | 211d(vs 273d prior) |
| New multifamily / condos / mixed-use | 21 | 272d | 292d | 293d | 313d | 293d(vs 197d prior) |
| Accessory dwelling unit (new or conversion) | 298 | 120d | 204d | 331d | 549d | 214d(vs 181d prior) |
| Addition (adds square footage) |
HUD Small Area Fair Market Rent · ZIP 94920
HUD FY 2026 · 40th-percentile gross rentCensus ACS 5-year median gross rent (all bedroom counts combined):
Area home-value benchmarks (not an appraisal)
ZIP & neighborhood mediansUnder California Proposition 13, the seller's historical assessed value does not carry over to a buyer. On sale, the parcel is reassessed at the purchase price: 1.00% base rate ($30,450/yr) + local voter-approved bond debt ($4,568/yr) + fixed direct levies/Mello-Roos ($450/yr).
Mapped hazard zone insurance context on this parcel:
Model adding a backyard ADU or garage conversion under California's Prop 13 blended new-construction assessment (existing house & land tax base stays intact; only ADU build cost is assessed) and SB 13 impact-fee rules.
−$185,453/yr
Cash needed: $669,900
NOI: -$687/yr
P&I: $15,397/mo
For $0/mo net cash flow
At $4,100/mo gross rent
| Scenario | Assumptions | Year 1 Rent | Year 1 Cash Flow | Cash-on-Cash | Break-Even Rent | Year 5 Cash Flow |
|---|---|---|---|---|---|---|
| Conservative | −8% starting rent, +3% vacancy, +3% combined maintenance/CapEx, 1.5%/yr rent growth | $3,772/mo | −$15,926/mo | -28.5% | $26,002/mo | −$16,029/mo |
| Base (your inputs) | Your entered assumptions, 3.0%/yr rent growth | $4,100/mo | −$15,454/mo | -27.7% | $24,067/mo | −$15,325/mo |
| Optimistic (cap-limited) | +6% starting rent, 3% vacancy, 4.5%/yr rent growth (capped by AB 1482 ceiling of 8.6%/yr) | $4,346/mo | −$15,184/mo | -27.2% | $23,508/mo | −$14,790/mo |
Rental regulatory context (informational only — not legal advice):
California AB 1482 (Tenant Protection Act, Civ. Code § 1947.12) caps annual rent increases at 5% + local CPI (max 10%) on covered properties.
Replace Drywall In Honey Rm
We have an underground water leak off of our south meter (we have two water meters with Marin Municipal Water District) and have not been able to find it, so we have turned off the water from this source. We live on a nine acre honey farm (www.jarfarms.com) with a lot of underground pipes. We are in the process of hiring a company to help us find it so that we can repair the leaking pipe. — Replace Plumbing Fixtures(s)
We replaced the roof because part of it over our honey room had to be replaced anyway due to big tree branches falling on it during last years winter storms. PG&E came two weeks ago to cut down two trees right in front of the honey room, but Tom McCarville told me that we didn't need a permit for that part. Thank you. Jack. — Siding Replacement, ReRoofing
This permit application is for replacing the electric baseboard heaters to modern heatpumps which are much more energy efficient. Thank you. Jack — New Ductwork, Replace Mechanical Appliance
This permit application is for replacing old doors, windows and skylights. As part of our energy efficiency project, we replaced the old doors, windows and skylights--some from the 1950s--before replacing the electric baseboard heaters to modern heatpumps which are much more energy efficient. Thank you. Jack — Non-structural Door/Window Replacement
Installation of EV Charging System; electrical panel installation — EV Charging Station
installing a new 24kw generac generetor with the Ats switch
installing a new roof mounted 17.6kw solar system (40)440w ac modules
Replace failing 200amp arcing with new 200amp at same location. — Service Upgrade
Rmdl Kitchen; Electrical In Other Areas; New Fireplace T.D. 11/23/17***Expired
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: parcel (APN) · Retrieved Nov 13, 2026 · Received and issued dates come from the County of Marin. The county publishes no final or expired status, so an issued permit stays 'Issued' after the work is done.
No housing activity reported to the State for this parcel (2018–2025 reports).
Source: California HCD, Housing Element Annual Progress Report — Table A2 · Geography: project (parcel) · Retrieved Nov 9, 2026 · From Unincorporated Marin's Housing Element Annual Progress Reports. A project can appear in several report years as it moves from entitlement to permit to completion.
Source: County of Marin GIS (MarinMap), Zoning (11 cities and unincorporated Marin) · Geography: zoning district polygon at parcel point · Retrieved Nov 13, 2026
8.57 acres
Assessor's classification for assessment purposes. This is not zoning.
2900 PARADISE DR
Source: County of Marin GIS (MarinMap), Parcels · Geography: parcel · Retrieved Nov 13, 2026
Search by parcel number 059-241-01. Assessed value is not market value.
Search by parcel number 059-241-01 (Marin County Tax Collector)
Permits issued in unincorporated Marin in the past 48 months. Each city keeps its own records.
The official flood hazard map for this location. Our reading of it is under What could be built here.
This site does not show owner names.
| Owner Builder Recent nearby: 2490 Paradise Drive (Jun 21, 2024) | Accessory dwelling unit (new or conversion) | 4 in ½ mi | $625,000 | 226 vs 240 prior−6% |
| Ohana Construction Recent nearby: 3175 Paradise Dr (May 11, 2016) | Remodel / interior alteration | 1 in ½ mi | $150,000 | 0 vs 0 prior |
| 316 |
| 103d |
| 160d |
| 249d |
| 440d |
| 157d(vs 167d prior) |
| Remodel / interior alterationOn this parcel | 1,054 | 36d | 83d | 148d | 266d | 112d(vs 77d prior) |
| Commercial tenant improvement | 81 | 99d | 148d | 233d | 443d | 152d(vs 150d prior) |
| Solar / battery storageOn this parcel | 2,977 | 0d | 0d | 0d | 2d | 0d |
| EV chargerOn this parcel | 482 | 0d | 0d | 0d | 0d | 0d |
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Computed from issued permits with recorded application and issuance dates over the trailing 60 months. Categories with fewer than 20 permits are excluded.