Block 2751, lot 006H
4000 21st St
- City’s use
- Single Family Residential
- Built
- 1928
- Stories
- 1
- Units
- 1
- Rooms
- 2 bedrooms, 2 bathrooms
- Building
- 1,536 sq ft
- Lot
- 2,250 sq ft
- Zoning
- RH2
- Construction type
- D
From the assessor's latest secured roll, which can lag recent work. Lot plans, zoning and planning history on the city’s Property Information Map
Permits filed here
8 permits filed for this property since 2000.
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| May 15, 2025 | In progress filed May 2025, not yet issued | 4000 21st St | create new exterior fire wall at existing residence. new fences 10' above existing grade at rear yard. new access and maintenance walkway at rear yard. this is a seperate permit from pa #202406053765 and pa #202202192659Details
create new exterior fire wall at existing residence. new fences 10' above existing grade at rear yard. new access and maintenance walkway at rear yard. this is a seperate permit from pa #202406053765 and pa #202202192659 | $5,000 | |
| Mar 27, 2025 | Completed final sign-off Mar 2025 | 4000 21st St | re-roofing. to comply with nov 202535485. work performed in 12/2020.Details
re-roofing. to comply with nov 202535485. work performed in 12/2020. | $13,800 | |
| Sep 14, 2024 | In progress issued Sep 2025 | 4000 21st St | 1-adu per state adu per government code section 65852.2; main residence under separate pa# 202209192659.Details
1-adu per state adu per government code section 65852.2; main residence under separate pa# 202209192659. | $102,000 | |
| Jul 10, 2024 | Completed final sign-off Sep 2025 | 4000 21st St | Mosvaler Construction Inc | foundation sequence and temporary shoring for retaining wall as approved under pa# 202211176788.Details
foundation sequence and temporary shoring for retaining wall as approved under pa# 202211176788. | |
| Nov 17, 2022 | In progress issued Mar 2024 | 4000 21st St | Mosvaler Construction Inc | rear yard: create new decks and walkways less than 3' above (e) grade, with new stair connections between (e) residence , walkways and (e) yard/grade. replacement fence and access gate from public way to yard. replacement retaining wall in rear yard. relocate door facing yard. excavat 21.1 cubic ydsDetails
rear yard: create new decks and walkways less than 3' above (e) grade, with new stair connections between (e) residence , walkways and (e) yard/grade. replacement fence and access gate from public way to yard. replacement retaining wall in rear yard. relocate door facing yard. excavat 21.1 cubic yds | $30,000 |
| Sep 19, 2022 | In progress issued Aug 2025 | 4000 21st St | vertical addition to (e) single family home. convert (e) storage space at 1st fl to living space. renovate (e) street facing and rear facing facades.Details
vertical addition to (e) single family home. convert (e) storage space at 1st fl to living space. renovate (e) street facing and rear facing facades. | $495,000 | |
| Apr 17, 2009 | Completed final sign-off Aug 2009 | 4000 21st St | Jon Bonebrake Remodeling | remodel existing bathroom, move bathtub, toilet & vanity. add new bathroom in hall closet and part of hallway @ 2nd floor.Details
remodel existing bathroom, move bathtub, toilet & vanity. add new bathroom in hall closet and part of hallway @ 2nd floor. | $12,000 |
| Mar 23, 2004 | Never finaled issued Mar 2004, no final | 4000 21st St | sidewalk repairDetails
sidewalk repair |
Who worked here
Everyone with a license on these permits, by role, with how many permits each is on.
- Contractors
- Mosvaler Construction Inc (2), Jon Bonebrake Remodeling
- Architects
- Ryan Knock (4)
- Engineers
- Erevan O'neill, Erevan O'neill, Jefferson Chen
- Subcontractors
- Rene A. Reyes-Aguiluz
Find contractors for work like this
Starts from the last permit filed here; change it to describe your own project. Results cover single-family homes like this one.