Here were some of my conclusions:Rent seems reasonableThe price is ~8% higher than the median home value in the area (I prefer homes in the 70%-100% of median range)Trailing 5-year average appreciation rate for this neighborhood has been 0.59%35%+ of the neighborhood rents (I like < 25%)Crime is not greatSchools are not greatLast tax assessment was $5,308 vs. the pro forma's $4,680Insurance might come in higher than the pro forma based on the neighborhood profileMy data suggests vacancy & turnover is an issue in this neighborhoodThis provider also offers a 1-year rent & maintenance guarantee, so their pro formas don't include allowances for vacancy or maintenance. 

Kleisch include but are not limited to: Finding, analyzing, buying, and selling rental properties.Coordinating rehab and repairs required before and after tenants occupancy.Most areas of property management including: Finding and screening tenants, singing leases, coordinating repairs and maintenance, and evictions (for the first 10-12 units).Some bookkeeping such as data entry into their Buildium property management software program (for the first 10-12 units).Mrs.

I have an opportunity to work with some folks in Walnut Creek CA, that's in Contra Costa County about 15 miles east of Oakland.I want to able to do title searches from Colorado. What are auction investors in CA using ...

Not enough research and data: Talk about how you cover the downside rather than just the huge returns.

You need to answer calls, build rapport, take down info, data entry, research the property, if it's promising you then visit the property, negotiate, fill out a contract, etc. 

There may also be pictures and amenities in the profile.You could try local PM's for rental data.I know it may be difficult to find data, but it must be done.

Using comps and market data, we are able to estimate the ARV. 

If so, what source  of leads have you tried, and how was their data?

If you don't know some of this information or you don't know how to analyze this data then you should probably hire some local professional advisors to assist you in looking at the financial ramifications of this lease to you. 

Local services typically just provide an excel file with new notices, or something similar - typically they don't match and append assessor records, track auctions, etc but it's a start.You could also consider using one of the national foreclosure data services - foreclosure.com, foreclosures.com, realtytrac or realquest.