Free SF apartment background check

497-499 Belvedere St

Cole Valley/Parnassus Heights, SF 94117 1280010 2 units · 2 fl · 1906

This building has a higher-than-average number of open problems nearby. Few open issues; problems get fixed quickly. A reasonable bet for a smooth tenancy.

NOVs (7y) vs. neighborhood
Compared to a typical building in Cole Valley/Parnassus Heights
At or below average
avg 0.9
0
FewerMore

This building has 0 novs (7y), at or below the Cole Valley/Parnassus Heights average of 0.9.

Rent & eviction protection

Is 497-499 Belvedere St rent-controlled?

San Francisco's Rent Ordinance caps rent increases and provides eviction protection for most residential units built before 1979 with 2+ units. Here's how this building scores.

Built before 1979
Built 1906
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH2
Likely rent-controlled. Building age and unit count suggest this property falls under San Francisco's Rent Ordinance.

Based on SF Assessor records. Not legal advice — confirm with the SF Rent Board.

Building characteristics
Units2
Floors2
Year built1906
Total area3,600 sq ft
Property typeMulti-Family Residential
Tax statusHome Owners
Blocklot1280010
Ownership

Registered owner per SF Assessor-Recorder (secured roll).

Owner name
Isbell Lyn C Trustee
Mailing address
497 Belvedere St San Francisco CA 94117
Last sale
050500

Landlord portfolio

Other SF properties this owner holds, with risk grades for each.

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Multiple entrances & addresses

Included addresses

All street addresses sharing this blocklot that are covered by this report.

499 Belvedere St, San Francisco, CA 94117
497 Belvedere St, San Francisco, CA 94117
Augrented Insights
Initial analysis

The two-unit residential building at 497-499 Belvedere St, owned by Isbell Lyn C Trustee, is a 2-story flats and duplex structure built in 1906 located in the Parnassus/Ashbury Heights neighborhood. The property has undergone regular maintenance and improvements over the years, with the most recent significant work being a $19,000 reroofing project completed in October 2023. Previous major repairs include a 2016 sewer replacement, 2013 water heater replacement, and several improvements to the back stairs in 2008 which involved repairing rotted posts and treads. The building has also received substantial bathroom and electrical upgrades, including a bathroom remodeling project in 2003 (valued at $6,000) and comprehensive electrical work for basement and kitchen areas in early 2003.

The property's maintenance record shows attention to structural and safety concerns, including repairs to flashing and trim in 2003, though the building did experience one compliance issue with illegal scaffolding in December 2003, which was promptly addressed within five days. The surrounding area has seen various municipal service calls in recent years, primarily related to street and sidewalk maintenance, missing signs, and parking issues, though these are external to the building itself. The building's maintenance history demonstrates regular upkeep of essential systems, with no recent patterns of recurring issues or safety concerns.

AI-generated · may contain errors · check the source data tables below

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Risk rating

How 497-499 Belvedere St's risk score is calculated

We trained a model on 7 years of SF DBI inspection data — notice of violation filings, complaint history, and owner track records. It estimates the probability that DBI inspectors will issue a Notice of Violation at this address in the next 12 months. Lower % = safer.

What the score means for you

Grade A–B — Low risk

DBI rarely finds violations here. Strong maintenance history and a clean complaint record.

Grade C — Moderate risk

Some past violations or complaints on record. Worth asking the landlord about any open issues before signing.

Grade D–F — High risk

Elevated violation and complaint history. DBI has found issues here before and is statistically likely to again.

Neighborhood percentile
79th percentile

Out of 526 buildings in this neighborhood, 110 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
86%
No DBI
violation
14%
DBI violation
likely
Model explanation

What's driving this score

The three data points that most influenced this building's risk rating — ranked by the weight the model placed on each one.

Building age

Older buildings tend to have more maintenance challenges; SF's pre-1906 earthquake housing stock carries distinct risk.

Construction spend, owner's portfolio

Estimated permit value across all of this owner's buildings.

Neighborhood location

Precise location is a proxy for neighborhood-level risk — some SF blocks have systematically higher DBI activity.

12-Month severity forecast
No violation 65.7%
Moderate concern 17.4%
Severe concern 16.9%
Estimated probability of receiving a DBI Notice of Violation in the next 12 months at each severity level. Model: full_hgb_balanced.
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The story over time

497-499 Belvedere St event timeline

Violations, complaints, fire incidents, permits, and buyouts — most recent records in order.

2026
311 Request Jan 06
Other illegal parking
Parking Enforcement

See all 3 events

Full history back to 2023 — violations, complaints, permits, buyouts, and fire incidents.

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Every record we have

Full data for 497-499 Belvedere St apartments

13 SF public datasets for this parcel — permits, violations, complaints, fire records, 311 calls, planning records, and buyouts.

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