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249-251 Lexington St

Inner Mission, SF 94110 3596062 2 units · 2 fl · 1909

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 Inner Mission
At or below average
avg 2.6
0
FewerMore

This building has 0 novs (7y), at or below the Inner Mission average of 2.6.

Rent & eviction protection

Is 249-251 Lexington 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 1909
2 or more units
2 units
Property type
Multi-Family Residential
Zoning
RH3
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 built1909
Total area2,782 sq ft
Property typeMulti-Family Residential
Tax statusNone
Blocklot3596062
Ownership

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

Owner name
Guan Kenny L F & Zhou Betty
Mailing address
249 Lexington St San Francisco CA 94110
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.

251 Lexington St, San Francisco, CA 94110
249 Lexington St, San Francisco, CA 94110
Augrented Insights
Initial analysis

The two-unit residential building located at 249-251 Lexington Street in San Francisco's Inner Mission neighborhood is a two-story flats and duplex structure built in 1909, currently owned by Kenny L F Guan and Betty Zhou. The building's maintenance history shows several significant interventions, with the most recent major work being a reroofing project completed in 2016 at a cost of $6,700. Earlier maintenance records include two street space permits issued in 2015 and 2009, and an important structural repair in 1987 when dry rot damage was addressed at the base of a wall and the front garage door jambs. The property has generated two 311 calls in recent years, both relating to general street cleaning issues involving loose garbage, with the most recent incident occurring in May 2021 and both cases being successfully resolved by the Department of Public Works.

The building's documented history indicates regular maintenance of major systems, such as the roof replacement in 2016, though it is worth noting that the dry rot repair from 1987, now over three decades old, represents the only recorded structural intervention. The recent street cleaning issues reported through 311 calls appear to be more related to neighborhood conditions rather than building-specific problems, and both cases were promptly addressed by city services. The property has maintained its original multi-family residential use designation throughout its history.

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

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Risk rating

How 249-251 Lexington 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
71th percentile

Out of 2380 buildings in this neighborhood, 690 are predicted to be safer.

RiskiestSafest
Predicted 12-month outcome
77%
No DBI
violation
23%
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.

Neighborhood (ZIP code)

The ZIP code captures local housing market and enforcement patterns that affect all buildings in the area.

Neighborhood location

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

Construction spend, owner's portfolio

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

12-Month severity forecast
No violation 57.3%
Moderate concern 21.8%
Severe concern 20.9%
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

249-251 Lexington St event timeline

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

No dated public records on file yet.
Every record we have

Full data for 249-251 Lexington St apartments

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

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Cancel anytime · Data sourced from SF Open Data, DBI, SFFD, SF Rent Board & Planning

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