28 Martins Ln
El Sobrante 94803 · Richmond · Coordinates: 37.96227, -122.29176
Parcel & Assessor
- Lot size:
- 10,803 sq ft (0.25 ac)
- Assessor use:
- Single Family, 1 residence on 1 site, with or without
- Tax rate area:
- 08003
- Addresses on lot:
- 28 MARTINS LN
Zoning & Land Use
No published city zoning district at parcel centroid.
State Housing Pathways Screen (ADU & SB 9)
- ADU or junior ADUCan't tell
We don't have a zoning map for Richmond.
- SB 9: two homes on the lotCan't tell
We don't have a zoning map for Richmond.
- SB 9: split into two lotsCan't tell
We don't have a zoning map for Richmond.
Mapped Hazard Zones on This Lot
- CAL FIRE Fire Hazard Severity Zone
- Very High Fire Hazard Severity Zone (Local Responsibility Area) (all of the lot, map Mar 24, 2025)
- FEMA National Flood Hazard Layer
- Zone X: minimal flood hazard (all of the lot) · FIRM panel 06013C0233G, effective March 21, 2017
- CGS Alquist-Priolo Earthquake Fault Zone
- Not in an Alquist-Priolo Earthquake Fault Zone
Surrounding Rent & Value Benchmarks (Public Records)
Range: $751,000 – $1,017,000 · Status: Off market
HUD Small Area FMR (ZIP 94803) · FY 2026
Studio $2,020 · 1BR $2,240 · 2BR $2,740 · 3BR $3,500 · 4BR $4,150
Nearby Activity (½ mile radius, since November 2024)
4 active or recent development projects (4 housing units across completed, permitted, and pipeline stages) and 36 total building permits recorded within ½ mile.
- Adds housing (ADU)1 permit (1 units)
- Building systems27 permits
- Repairs1 permit
- Other7 permits
Developments Deserving Closer Investigation & Active Area Builders
- Accessory dwelling unit at 28 Martins Ln Unit 2 (Issued)On this parcel
Active in "Issued" for 2.3 yr (first record Jul 15, 2024) with no new permit activity recorded in 19 mo.
- Demolition at 4935 San Pablo Dam Rd (Issued)0.14 mi N
Active in "Issued" for 13.1 yr (first record Oct 2, 2013) with no new permit activity recorded in 13.1 yr.
- New home (Entitled)0.15 mi NW
Active in "Entitled" for 6.3 yr (first record Jul 15, 2020) with no new permit activity recorded in 6.3 yr.
- Legalize 580 Sf Adu (Entitled)0.3 mi N
Active in "Entitled" for 7.8 yr (first record Jan 8, 2019) with no new permit activity recorded in 7.8 yr.
Permit & Project History on This Parcel (10 permits, 1 grouped projects)
| Record # | Category | Status | Applied / Issued | Valuation | Description |
|---|---|---|---|---|---|
| B24-02358 | Accessory dwelling unit (new or conversion) | Issued | Iss. Mar 26, 2025 | $53,400 | Existing full height 9'-0" basement to be converted in ADU |
| BP24-00856 | Accessory dwelling unit (new or conversion) | Applied | App. Oct 9, 2024 | $53,400 | EXISTING FULL HEIGHT 9'-0" BASEMENT TO BE CONVERTED IN ADU |
| B21-01722 | Remodel / interior alteration | Withdrawn | App. Jul 1, 2021 | $22,000 | BASEMENT CONVERSION |
| BP18-00891 | Electrical / panel | Under Review | App. Jul 26, 2018 | — | REVISION TO PERMIT B17-03723 MOVING |
| BP18-00057 | Plan revision / deferred submittal | Under Review | App. Jan 9, 2018 | — | REVISION TO B17-03723 ADDED AC DISCONNECT ON ELECTRICAL |
| BP17-01627 | Electrical / panel | Finaled | Iss. Jan 3, 2018 | $38,435 | INSTALL ROOF MOUNTED PV ARRAY ENERGY STORAGE SYSTEM |
| B17-03723 | Solar / battery storage | Finaled | Iss. Jan 3, 2018 | $38,435 | INSTALL ROOF MOUNTED PV ARRAY ENERGY STORAGE SYSTEM |
| B17-02242 | HVAC / heat pump | Expired | Iss. Aug 14, 2017 | $2,493 | REPLACE EXISTING A/C COMPRESS OR D-COIL |
| M93-00231 | Other | Expired | Iss. Aug 3, 1993 | — | PARK DEDICATION FEE |
| S93-00777 | Other | Expired | Iss. Jul 15, 1993 | $387,000 | ERECT NEW 2STY 5BEDRM 4BATH SFD W/ATT.GARAGE |
State HCD Housing Element APR records on this parcel: 3 entries (report years 2024, 2025).