Tsunagaru Online Assessment Reduces Appraisal Document Creation from 2 Days to 10 Minutes: Dramatic Efficiency Improvement Boosts Sales Productivity

The adoption of "Tsunagaru Online Assessment," a real estate appraisal document creation system provided by Speee Inc. (Headquarters: Minato-ku, Tokyo; Representative Director: Hideki Otsuka; TSE Standard: 4499), is expanding nationwide.

Adoption is particularly accelerating among real estate agents in local and suburban areas operating with lean teams. An interview was conducted with Central Housing Co., Ltd. (Headquarters: Ueda City, Nagano Prefecture; Representative Director: Yoshiharu Yanagisawa; hereinafter "Central Housing"), which started using the service on April 1, 2026, regarding its actual usage and the effects of implementation.

■ Background of Adoption and About Central Housing

-- Mr. Yanagisawa, the initial contact was a phone call from our sales representative. What was your impression at that time?

At first, I mistook it for a sales call from an appraisal site and declined (laughs).

When the salesperson said, "It's about improving the efficiency of appraisal document creation," the timing was honestly perfect.

Our company is entering its 46th term in Ueda City, Nagano Prefecture, and we had a strong sense of crisis about the immeasurable impact of AI on the real estate industry in the future. Therefore, we were regularly holding study sessions with several companies to exchange opinions and discuss the future impact of AI on real estate appraisals when we received the call.

Honestly, I wanted to see what AI appraisal was like and whether we could use it in our own company, so I set up a meeting.

-- Your company has a history of 46 years rooted in the local community, showing the complete trust of local people. Could you tell us about your current main business structure?

Our main business is real estate sales brokerage, but we also handle rental brokerage, rental management, residential land development, and subdivision sales.

We have five employees, including myself.

-- Since your main business is real estate brokerage, how long did appraisals take before?

Before introducing Tsunagaru Online Assessment, it took two days to complete a single appraisal.

The process involved going to government offices to collect information, including land data, and gathering comparable cases in the area to conduct the appraisal. Just collecting the comparable cases took about half a day.

The collected cases couldn't be used directly; we had to make fine adjustments to the property prices, which have their own pros and cons. Since I was basically the only one handling sales appraisals, no matter how much time I had, it never felt like enough.

■ Using Tsunagaru Online Assessment

-- After introducing Tsunagaru Online Assessment, how did this work change, and how much time was saved?

The biggest advantage is that we no longer need to go to government offices; we can conduct appraisals from the office.

The appraisal work that used to take two days can now be completed in just 10 minutes, which is extremely useful.

Certainly, when a case progresses to a brokerage or closing, detailed investigation at government offices is necessary, but at the preliminary appraisal stage, Tsunagaru Online Assessment has significantly reduced the time.

It is also helpful for building a narrative to explain to clients by first checking the gap between the AI's appraisal and our own intuitive valuation, and then reviewing the case evidence.

-- How satisfied are you with Tsunagaru Online Assessment? Would you recommend it to other companies?

I give it 99 points out of 100.

The remaining 1 point is a margin for expecting further service improvement and enhancement (laughs).

I have actually introduced it to fellow business owners with whom I regularly hold study sessions, and some companies have already started using it.

There are many family-run businesses and lean companies in local areas.

I think Tsunagaru Online Assessment is a perfect tool for such companies to efficiently proceed with their work, rather than being bogged down by the man-hours and hassle of appraisals.

Mr. Yoshiharu Yanagisawa, Representative Director, Central Housing Co., Ltd.

■ Strengths and Expectations for Tsunagaru Online Assessment

-- We heard you have also used other appraisal document tools. What do you see as the strengths of Tsunagaru Online Assessment compared to other tools?

With general appraisal document tools, accuracy is often ensured by manually inputting past cases.

This task of storing cases is extremely cumbersome, and I think many companies give up at this initial stage.

On the other hand, Tsunagaru Online Assessment leverages a vast amount of case data, enabling instant collection of comparable cases and property appraisals, which is very satisfying.

-- Do you have any expectations for Speee in the future?

Having used Tsunagaru Online Assessment, I believe there are many analog and inefficient business areas in the real estate sector related to appraisal work, such as important matters explanation and sales contracts.

I hope for the development and provision of tools not only for appraisals but also for a wider range of real estate areas in the future.

■ Future Outlook

Central Housing will provide highly accurate appraisal experiences based on the trust of the local community in Ueda City, in line with closing prices.

Furthermore, we will continue to conduct transparent real estate transactions for both sellers and buyers.

Tsunagaru Online Assessment aims to go beyond being a mere operational efficiency tool, using AI and extensive on-site usage to build a transparent transaction environment based on data.

This will create a high-quality transaction experience where both sellers and real estate companies can make decisions based on a stronger relationship of trust.

By providing an environment where anyone can conduct efficient, high-quality appraisals, we aim to help companies allocate the time saved to customer negotiations and other essential client-facing and proposal activities, contributing to their business growth and the revitalization of the local economy.

■ Service Overview

Service Name: Tsunagaru Online Assessment

Delivery Format: SaaS (Cloud Application)

Main Function: AI appraisal document creation tool

URL: https://tsunagaru-online.jp/lp/satei/

■ About Central Housing Co., Ltd.

Since its establishment in 1980, Central Housing has been providing one-stop services centered on the Ueda City area of Nagano Prefecture, covering real estate sales, real estate leasing, real estate management, residential land subdivision, and residential land development.

It is steadily weaving its long-established, deep-rooted local trust into the next era, contributing to the sustainable development of the local community.

[Central Housing Co., Ltd. Company Overview]

Company Name: Central Housing Co., Ltd.

Headquarters: 976-8 Suwagata, Ueda City, Nagano Prefecture

Established: December 1980

Representative: Representative Director Yoshiharu Yanagisawa

Business: Real estate sales / Real estate sales brokerage / Real estate rental brokerage / Rental management

Corporate Site URL: https://www.cent-ral.com/aboutus.html

■ About Speee Inc.

Speee is a company that promotes digital transformation (DX) through a chain of data-driven business development, guided by its corporate mission: "Solve everything. Bring the future closer." It operates across a wide range of fields, including the Financial DX business, Legacy Industry DX business, and DX Consulting business.