San Rafael 94903 · Santa Venetia · APN 180-221-43 · Unincorporated Marin
Since November 2024 within ½ mile: 1 permitted, 1 proposed or in review; 2 demolitions.
4 projects with a record in this window, grouped by us from permits and State housing reports. Units are as proposed on each project's latest record and counted at its current stage.
176 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.
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.
Permit issued and active for 12.8 yr (first record Jan 27, 2014), with no completion or new permit record in 12.8 yr. · $7,970 declared valuation
Permit issued and active for 13.1 yr (first record Oct 22, 2013), with no completion or new permit record in 12 yr. · $20,000 declared valuation
In "Applied" for 11.1 yr (since Oct 5, 2015), with no new permit record in 11.1 yr. · 1 unit · $150,000 declared valuation
Permit issued and active for 9.5 yr (first record May 24, 2017), with no completion or new permit record in 9.3 yr. · 1 unit · $2,367,450 declared valuation
Permit issued and active for 7.5 yr (first record May 16, 2019), with no completion or new permit record in 7.4 yr. · $4,500 declared valuation
Permit issued and active for 6.8 yr (first record Feb 11, 2020), with no completion or new permit record in 6.7 yr. · 1 unit · $47,000 declared valuation
Nearby other (623 Galerita Way): First appeared in published agency feed
Record B49096 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby roof replacement (771 Estancia Way): First appeared in published agency feed
Record B49010 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby plumbing / water heater / sewer (21 Adrian Ter): First appeared in published agency feed
Record B48969 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby roof replacement (10 Sunny Oaks Dr): First appeared in published agency feed
Record B49002 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby plumbing / water heater / sewer (503 Adrian Way): First appeared in published agency feed
Record B48990 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby windows / doors / siding (605 Rosal Way): First appeared in published agency feed
Record B48937 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby electrical / panel (1140 Adrian Way): First appeared in published agency feed
Record B48948 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby roof replacement (824 Rincon Way): First appeared in published agency feed
Record B48898 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Nearby roof replacement (771 Estancia Way): First appeared in published agency feed
Record B48907 · Detected between snapshots
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Snapshot diff within ½ mile
Latest published Zillow Home Value Index (ZHVI) update
Changed from $1,200,587 in September 2025 to $1,250,063 in September 2026.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94903 (not a parcel appraisal)
0 Sidney Ct (A P N 180-252-07) · $2,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
1565 Vendola Dr · $120,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
1625 Vendola Dr (Adu 1625a) · 1 unit · $20,000 valuation
Records span Dec 6, 2023 to Apr 3, 2026 (1 permit).
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
Annual ZIP 94903 home-value index checkpoint
Changed from $1,237,445 in September 2024 to $1,200,587 in September 2025.
Source: Zillow Home Value Index (ZHVI) · Data provided by Zillow · Geography: ZIP 94903 (not a parcel appraisal)
705 Adrian Way · 1 unit · $35,000 valuation
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) & HCD APR (grouped project within ½ mile)
Source: County of Marin Community Development Agency, Building Permits (unincorporated Marin) · Geography: permits located by parcel, ½ mile radius · Retrieved Nov 13, 2026
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 →Active in "Issued" for 9.5 yr (first record May 24, 2017) with no new permit activity recorded in 9.3 yr. High-impact scale (1 housing unit, $2,367,450 declared valuation across 1 permit).
In "Applied" for 3.5 yr (since May 2, 2023), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
In "Applied" for 4.9 yr (since Dec 2, 2021), exceeding the 55d median and 261d 90th percentile for demolition permits in Unincorporated Marin (n=130).
In "Applied" for 2.2 yr (since Sep 11, 2024), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
In "Applied" for 11.1 yr (since Oct 5, 2015), exceeding the 253d median and 686d 90th percentile for new single-family home permits in Unincorporated Marin (n=121).
Active in "Issued" for 13.1 yr (first record Oct 22, 2013) with no new permit activity recorded in 12 yr.
Substantial improvements (additions, interior remodels, ADUs, commercial TI, and new builds) across 1,650 parcels
−25.0% YoY
City baseline: 16.4 / 1k
14 in trailing 24m
Includes 5 ADUs
| Builder / contractor | Primary specialty | Here / ½ mi | ½ mi valuation | Citywide 24m trend |
|---|---|---|---|---|
| Owner | Remodel / interior alteration | 1 on parcel12 in ½ mi | $438,850 | 25 vs 15 prior+67% |
| Massa Construction | General repair | 1 on parcel1 in ½ mi | $80,000 | 0 vs 0 prior |
| Sun Solar Electric | Solar / battery storage | 1 on parcel1 in ½ mi | $73,020 |
| 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) |
EV Charging Station — EV Charging Station
Installation of (N) 9.62 kW PV System on rooftop (26) PV Modules, (26) Microinverters. Installation of (2)10.5kWh batteries. Installation of (1)IQ controller, (1) PV Combiner, (1) [200A] Subpanel, (14') Trench, (1) 60A Lever disconnect.
Remove Chimney For Wood Burning Fireplace; Install Gas Burner
Found Upgr***Expired T.D. 4/27/16
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
0.62 acres
Assessor's classification for assessment purposes. This is not zoning.
Source: County of Marin GIS (MarinMap), Parcels · Geography: parcel · Retrieved Nov 13, 2026
Search by parcel number 180-221-43. Assessed value is not market value.
Search by parcel number 180-221-43 (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.
| 0 vs 0 prior |
| Millsap Degnan And Associates | Remodel / interior alteration | 1 on parcel1 in ½ mi | $55,000 | 4 vs 1 prior |
| Owner Builder Recent nearby: 1625 Vendola Dr (Adu 1625a) (Apr 3, 2026) | Remodel / interior alteration | 22 in ½ mi | $931,695 | 226 vs 240 prior−6% |
| Lsr Maintenancellc Recent nearby: 15 Labrea Way (May 20, 2020) | Remodel / interior alteration | 5 in ½ mi | $142,300 | 0 vs 0 prior |
| Gustavo Brooks Construction Recent nearby: 15 Labrea Way#39 (Jan 29, 2019) | Remodel / interior alteration | 4 in ½ mi | $40,000 | 0 vs 0 prior |
| Structural Integrity Recent nearby: 617 Galerita Way (Apr 15, 2026) | New garage / accessory structure | 3 in ½ mi | $150,075 | 2 vs 2 prior |
| Redhorse Constructors Recent nearby: 35 Pt Gallinas Rd (Jul 18, 2017) | New garage / accessory structure | 2 in ½ mi | $2,490,000 | 0 vs 4 prior |
| Nima Construction Recent nearby: 22 Leona Dr (Oct 7, 2021) | New garage / accessory structure | 2 in ½ mi | $1,000,000 | 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.